diff options
Diffstat (limited to 'arch/arm')
51 files changed, 2175 insertions, 538 deletions
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile index de3cc130ab8..0b1c07ffa2f 100644 --- a/arch/arm/mach-omap1/Makefile +++ b/arch/arm/mach-omap1/Makefile @@ -49,6 +49,12 @@ ifeq ($(CONFIG_ARCH_OMAP15XX),y) obj-$(CONFIG_MACH_OMAP_INNOVATOR) += fpga.o endif +# GPIO +obj-$(CONFIG_ARCH_OMAP730) += gpio7xx.o +obj-$(CONFIG_ARCH_OMAP850) += gpio7xx.o +obj-$(CONFIG_ARCH_OMAP15XX) += gpio15xx.o +obj-$(CONFIG_ARCH_OMAP16XX) += gpio16xx.o + # LEDs support led-$(CONFIG_MACH_OMAP_H2) += leds-h2p2-debug.o led-$(CONFIG_MACH_OMAP_H3) += leds-h2p2-debug.o diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c index dc82f3d028b..e1439506eba 100644 --- a/arch/arm/mach-omap1/board-ams-delta.c +++ b/arch/arm/mach-omap1/board-ams-delta.c @@ -141,7 +141,6 @@ static void __init ams_delta_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); } static struct map_desc ams_delta_io_desc[] __initdata = { diff --git a/arch/arm/mach-omap1/board-fsample.c b/arch/arm/mach-omap1/board-fsample.c index 149fdd32e12..0c3f396328b 100644 --- a/arch/arm/mach-omap1/board-fsample.c +++ b/arch/arm/mach-omap1/board-fsample.c @@ -120,6 +120,15 @@ static struct resource smc91x_resources[] = { }, }; +static void __init fsample_init_smc91x(void) +{ + fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); + mdelay(50); + fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, + H2P2_DBG_FPGA_LAN_RESET); + mdelay(50); +} + static struct mtd_partition nor_partitions[] = { /* bootloader (U-Boot, etc) in first sector */ { @@ -285,6 +294,8 @@ static struct omap_board_config_kernel fsample_config[] = { static void __init omap_fsample_init(void) { + fsample_init_smc91x(); + if (gpio_request(FSAMPLE_NAND_RB_GPIO_PIN, "NAND ready") < 0) BUG(); gpio_direction_input(FSAMPLE_NAND_RB_GPIO_PIN); @@ -312,21 +323,10 @@ static void __init omap_fsample_init(void) omap_register_i2c_bus(1, 100, NULL, 0); } -static void __init fsample_init_smc91x(void) -{ - fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); - mdelay(50); - fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, - H2P2_DBG_FPGA_LAN_RESET); - mdelay(50); -} - static void __init omap_fsample_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); - fsample_init_smc91x(); } /* Only FPGA needs to be mapped here. All others are done with ioremap */ diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index 197adb49dc5..082a73ca556 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -374,8 +374,6 @@ static void __init h2_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); - h2_init_smc91x(); } static struct omap_usb_config h2_usb_config __initdata = { @@ -403,6 +401,8 @@ static struct omap_board_config_kernel h2_config[] __initdata = { static void __init h2_init(void) { + h2_init_smc91x(); + /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped * to address 0 by a dip switch), NAND on CS2B. The NAND driver will * notice whether a NAND chip is enabled at probe time. diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c index 9126e3e37b4..d2cff5022fe 100644 --- a/arch/arm/mach-omap1/board-h3.c +++ b/arch/arm/mach-omap1/board-h3.c @@ -264,6 +264,15 @@ static struct platform_device smc91x_device = { .resource = smc91x_resources, }; +static void __init h3_init_smc91x(void) +{ + omap_cfg_reg(W15_1710_GPIO40); + if (gpio_request(40, "SMC91x irq") < 0) { + printk("Error requesting gpio 40 for smc91x irq\n"); + return; + } +} + #define GPTIMER_BASE 0xFFFB1400 #define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800)) #define GPTIMER_REGS_SIZE 0x46 @@ -376,6 +385,8 @@ static struct i2c_board_info __initdata h3_i2c_board_info[] = { static void __init h3_init(void) { + h3_init_smc91x(); + /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped * to address 0 by a dip switch), NAND on CS2B. The NAND driver will * notice whether a NAND chip is enabled at probe time. @@ -422,21 +433,10 @@ static void __init h3_init(void) h3_mmc_init(); } -static void __init h3_init_smc91x(void) -{ - omap_cfg_reg(W15_1710_GPIO40); - if (gpio_request(40, "SMC91x irq") < 0) { - printk("Error requesting gpio 40 for smc91x irq\n"); - return; - } -} - static void __init h3_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); - h3_init_smc91x(); } static void __init h3_map_io(void) diff --git a/arch/arm/mach-omap1/board-htcherald.c b/arch/arm/mach-omap1/board-htcherald.c index 071af3e4778..faa344f734d 100644 --- a/arch/arm/mach-omap1/board-htcherald.c +++ b/arch/arm/mach-omap1/board-htcherald.c @@ -577,8 +577,6 @@ static void __init htcherald_init(void) printk(KERN_INFO "HTC Herald init.\n"); /* Do board initialization before we register all the devices */ - omap_gpio_init(); - omap_board_config = htcherald_config; omap_board_config_size = ARRAY_SIZE(htcherald_config); platform_add_devices(devices, ARRAY_SIZE(devices)); diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c index dc2b86fd66c..a051acdc526 100644 --- a/arch/arm/mach-omap1/board-innovator.c +++ b/arch/arm/mach-omap1/board-innovator.c @@ -290,13 +290,11 @@ static void __init innovator_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); #ifdef CONFIG_ARCH_OMAP15XX if (cpu_is_omap1510()) { omap1510_fpga_init_irq(); } #endif - innovator_init_smc91x(); } #ifdef CONFIG_ARCH_OMAP15XX @@ -387,6 +385,8 @@ static struct omap_board_config_kernel innovator_config[] = { static void __init innovator_init(void) { + innovator_init_smc91x(); + #ifdef CONFIG_ARCH_OMAP15XX if (cpu_is_omap1510()) { unsigned char reg; diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c index aa8375b2a0a..605495bbc58 100644 --- a/arch/arm/mach-omap1/board-nokia770.c +++ b/arch/arm/mach-omap1/board-nokia770.c @@ -246,7 +246,6 @@ static void __init omap_nokia770_init(void) platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); spi_register_board_info(nokia770_spi_board_info, ARRAY_SIZE(nokia770_spi_board_info)); - omap_gpio_init(); omap_serial_init(); omap_register_i2c_bus(1, 100, NULL, 0); hwa742_dev_init(); diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c index e9dd79149a8..d44e7172efc 100644 --- a/arch/arm/mach-omap1/board-osk.c +++ b/arch/arm/mach-omap1/board-osk.c @@ -283,9 +283,6 @@ static void __init osk_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); - osk_init_smc91x(); - osk_init_cf(); } static struct omap_usb_config osk_usb_config __initdata = { @@ -541,6 +538,9 @@ static void __init osk_init(void) { u32 l; + osk_init_smc91x(); + osk_init_cf(); + /* Workaround for wrong CS3 (NOR flash) timing * There are some U-Boot versions out there which configure * wrong CS3 memory timings. This mainly leads to CRC diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c index f32738b1eb6..994dc6f5072 100644 --- a/arch/arm/mach-omap1/board-palmte.c +++ b/arch/arm/mach-omap1/board-palmte.c @@ -63,7 +63,6 @@ static void __init omap_palmte_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); } static const int palmte_keymap[] = { diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c index d7a245cef9a..2afac598bae 100644 --- a/arch/arm/mach-omap1/board-palmz71.c +++ b/arch/arm/mach-omap1/board-palmz71.c @@ -62,7 +62,6 @@ omap_palmz71_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); } static int palmz71_keymap[] = { diff --git a/arch/arm/mach-omap1/board-perseus2.c b/arch/arm/mach-omap1/board-perseus2.c index a8d16a255c1..69fda218fb4 100644 --- a/arch/arm/mach-omap1/board-perseus2.c +++ b/arch/arm/mach-omap1/board-perseus2.c @@ -251,8 +251,19 @@ static struct omap_board_config_kernel perseus2_config[] __initdata = { { OMAP_TAG_LCD, &perseus2_lcd_config }, }; +static void __init perseus2_init_smc91x(void) +{ + fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); + mdelay(50); + fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, + H2P2_DBG_FPGA_LAN_RESET); + mdelay(50); +} + static void __init omap_perseus2_init(void) { + perseus2_init_smc91x(); + if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0) BUG(); gpio_direction_input(P2_NAND_RB_GPIO_PIN); @@ -280,21 +291,10 @@ static void __init omap_perseus2_init(void) omap_register_i2c_bus(1, 100, NULL, 0); } -static void __init perseus2_init_smc91x(void) -{ - fpga_write(1, H2P2_DBG_FPGA_LAN_RESET); - mdelay(50); - fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1, - H2P2_DBG_FPGA_LAN_RESET); - mdelay(50); -} - static void __init omap_perseus2_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); - perseus2_init_smc91x(); } /* Only FPGA needs to be mapped here. All others are done with ioremap */ static struct map_desc omap_perseus2_io_desc[] __initdata = { diff --git a/arch/arm/mach-omap1/board-sx1.c b/arch/arm/mach-omap1/board-sx1.c index d25f59e5a77..463862c6781 100644 --- a/arch/arm/mach-omap1/board-sx1.c +++ b/arch/arm/mach-omap1/board-sx1.c @@ -409,7 +409,6 @@ static void __init omap_sx1_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); } /*----------------------------------------*/ diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c index b2838bfeab8..815a69ce821 100644 --- a/arch/arm/mach-omap1/board-voiceblue.c +++ b/arch/arm/mach-omap1/board-voiceblue.c @@ -161,7 +161,6 @@ static void __init voiceblue_init_irq(void) { omap1_init_common_hw(); omap_init_irq(); - omap_gpio_init(); } static void __init voiceblue_init(void) diff --git a/arch/arm/mach-omap1/clock_data.c b/arch/arm/mach-omap1/clock_data.c index af54114b8f0..423d21d8c19 100644 --- a/arch/arm/mach-omap1/clock_data.c +++ b/arch/arm/mach-omap1/clock_data.c @@ -143,7 +143,7 @@ static struct arm_idlect1_clk armper_ck = { * activation. [ GPIO code for 1510 ] */ static struct clk arm_gpio_ck = { - .name = "arm_gpio_ck", + .name = "ick", .ops = &clkops_generic, .parent = &ck_dpll1, .flags = ENABLE_ON_INIT, @@ -684,7 +684,7 @@ static struct omap_clk omap_clks[] = { CLK(NULL, "ck_sossi", &sossi_ck, CK_16XX), CLK(NULL, "arm_ck", &arm_ck, CK_16XX | CK_1510 | CK_310), CLK(NULL, "armper_ck", &armper_ck.clk, CK_16XX | CK_1510 | CK_310), - CLK(NULL, "arm_gpio_ck", &arm_gpio_ck, CK_1510 | CK_310), + CLK("omap_gpio.0", "ick", &arm_gpio_ck, CK_1510 | CK_310), CLK(NULL, "armxor_ck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310 | CK_7XX), CLK(NULL, "armtim_ck", &armtim_ck.clk, CK_16XX | CK_1510 | CK_310), CLK("omap_wdt", "fck", &armwdt_ck.clk, CK_16XX | CK_1510 | CK_310), diff --git a/arch/arm/mach-omap1/gpio15xx.c b/arch/arm/mach-omap1/gpio15xx.c new file mode 100644 index 00000000000..04c4b04cf54 --- /dev/null +++ b/arch/arm/mach-omap1/gpio15xx.c @@ -0,0 +1,99 @@ +/* + * OMAP15xx specific gpio init + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: + * Charulatha V <charu@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/gpio.h> + +#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE +#define OMAP1510_GPIO_BASE 0xFFFCE000 + +/* gpio1 */ +static struct __initdata resource omap15xx_mpu_gpio_resources[] = { + { + .start = OMAP1_MPUIO_VBASE, + .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_MPUIO, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = { + .virtual_irq_start = IH_MPUIO_BASE, + .bank_type = METHOD_MPUIO, + .bank_width = 16, + .bank_stride = 1, +}; + +static struct __initdata platform_device omap15xx_mpu_gpio = { + .name = "omap_gpio", + .id = 0, + .dev = { + .platform_data = &omap15xx_mpu_gpio_config, + }, + .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources), + .resource = omap15xx_mpu_gpio_resources, +}; + +/* gpio2 */ +static struct __initdata resource omap15xx_gpio_resources[] = { + { + .start = OMAP1510_GPIO_BASE, + .end = OMAP1510_GPIO_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_GPIO_BANK1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = { + .virtual_irq_start = IH_GPIO_BASE, + .bank_type = METHOD_GPIO_1510, + .bank_width = 16, +}; + +static struct __initdata platform_device omap15xx_gpio = { + .name = "omap_gpio", + .id = 1, + .dev = { + .platform_data = &omap15xx_gpio_config, + }, + .num_resources = ARRAY_SIZE(omap15xx_gpio_resources), + .resource = omap15xx_gpio_resources, +}; + +/* + * omap15xx_gpio_init needs to be done before + * machine_init functions access gpio APIs. + * Hence omap15xx_gpio_init is a postcore_initcall. + */ +static int __init omap15xx_gpio_init(void) +{ + if (!cpu_is_omap15xx()) + return -EINVAL; + + platform_device_register(&omap15xx_mpu_gpio); + platform_device_register(&omap15xx_gpio); + + gpio_bank_count = 2; + return 0; +} +postcore_initcall(omap15xx_gpio_init); diff --git a/arch/arm/mach-omap1/gpio16xx.c b/arch/arm/mach-omap1/gpio16xx.c new file mode 100644 index 00000000000..5dd0d4c82b2 --- /dev/null +++ b/arch/arm/mach-omap1/gpio16xx.c @@ -0,0 +1,200 @@ +/* + * OMAP16xx specific gpio init + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: + * Charulatha V <charu@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/gpio.h> + +#define OMAP1610_GPIO1_BASE 0xfffbe400 +#define OMAP1610_GPIO2_BASE 0xfffbec00 +#define OMAP1610_GPIO3_BASE 0xfffbb400 +#define OMAP1610_GPIO4_BASE 0xfffbbc00 +#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE + +/* mpu gpio */ +static struct __initdata resource omap16xx_mpu_gpio_resources[] = { + { + .start = OMAP1_MPUIO_VBASE, + .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_MPUIO, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = { + .virtual_irq_start = IH_MPUIO_BASE, + .bank_type = METHOD_MPUIO, + .bank_width = 16, + .bank_stride = 1, +}; + +static struct __initdata platform_device omap16xx_mpu_gpio = { + .name = "omap_gpio", + .id = 0, + .dev = { + .platform_data = &omap16xx_mpu_gpio_config, + }, + .num_resources = ARRAY_SIZE(omap16xx_mpu_gpio_resources), + .resource = omap16xx_mpu_gpio_resources, +}; + +/* gpio1 */ +static struct __initdata resource omap16xx_gpio1_resources[] = { + { + .start = OMAP1610_GPIO1_BASE, + .end = OMAP1610_GPIO1_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_GPIO_BANK1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap16xx_gpio1_config = { + .virtual_irq_start = IH_GPIO_BASE, + .bank_type = METHOD_GPIO_1610, + .bank_width = 16, +}; + +static struct __initdata platform_device omap16xx_gpio1 = { + .name = "omap_gpio", + .id = 1, + .dev = { + .platform_data = &omap16xx_gpio1_config, + }, + .num_resources = ARRAY_SIZE(omap16xx_gpio1_resources), + .resource = omap16xx_gpio1_resources, +}; + +/* gpio2 */ +static struct __initdata resource omap16xx_gpio2_resources[] = { + { + .start = OMAP1610_GPIO2_BASE, + .end = OMAP1610_GPIO2_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_1610_GPIO_BANK2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap16xx_gpio2_config = { + .virtual_irq_start = IH_GPIO_BASE + 16, + .bank_type = METHOD_GPIO_1610, + .bank_width = 16, +}; + +static struct __initdata platform_device omap16xx_gpio2 = { + .name = "omap_gpio", + .id = 2, + .dev = { + .platform_data = &omap16xx_gpio2_config, + }, + .num_resources = ARRAY_SIZE(omap16xx_gpio2_resources), + .resource = omap16xx_gpio2_resources, +}; + +/* gpio3 */ +static struct __initdata resource omap16xx_gpio3_resources[] = { + { + .start = OMAP1610_GPIO3_BASE, + .end = OMAP1610_GPIO3_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_1610_GPIO_BANK3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap16xx_gpio3_config = { + .virtual_irq_start = IH_GPIO_BASE + 32, + .bank_type = METHOD_GPIO_1610, + .bank_width = 16, +}; + +static struct __initdata platform_device omap16xx_gpio3 = { + .name = "omap_gpio", + .id = 3, + .dev = { + .platform_data = &omap16xx_gpio3_config, + }, + .num_resources = ARRAY_SIZE(omap16xx_gpio3_resources), + .resource = omap16xx_gpio3_resources, +}; + +/* gpio4 */ +static struct __initdata resource omap16xx_gpio4_resources[] = { + { + .start = OMAP1610_GPIO4_BASE, + .end = OMAP1610_GPIO4_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_1610_GPIO_BANK4, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap16xx_gpio4_config = { + .virtual_irq_start = IH_GPIO_BASE + 48, + .bank_type = METHOD_GPIO_1610, + .bank_width = 16, +}; + +static struct __initdata platform_device omap16xx_gpio4 = { + .name = "omap_gpio", + .id = 4, + .dev = { + .platform_data = &omap16xx_gpio4_config, + }, + .num_resources = ARRAY_SIZE(omap16xx_gpio4_resources), + .resource = omap16xx_gpio4_resources, +}; + +static struct __initdata platform_device * omap16xx_gpio_dev[] = { + &omap16xx_mpu_gpio, + &omap16xx_gpio1, + &omap16xx_gpio2, + &omap16xx_gpio3, + &omap16xx_gpio4, +}; + +/* + * omap16xx_gpio_init needs to be done before + * machine_init functions access gpio APIs. + * Hence omap16xx_gpio_init is a postcore_initcall. + */ +static int __init omap16xx_gpio_init(void) +{ + int i; + + if (!cpu_is_omap16xx()) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(omap16xx_gpio_dev); i++) + platform_device_register(omap16xx_gpio_dev[i]); + + gpio_bank_count = ARRAY_SIZE(omap16xx_gpio_dev); + + return 0; +} +postcore_initcall(omap16xx_gpio_init); diff --git a/arch/arm/mach-omap1/gpio7xx.c b/arch/arm/mach-omap1/gpio7xx.c new file mode 100644 index 00000000000..1204c8b871a --- /dev/null +++ b/arch/arm/mach-omap1/gpio7xx.c @@ -0,0 +1,262 @@ +/* + * OMAP7xx specific gpio init + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: + * Charulatha V <charu@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/gpio.h> + +#define OMAP7XX_GPIO1_BASE 0xfffbc000 +#define OMAP7XX_GPIO2_BASE 0xfffbc800 +#define OMAP7XX_GPIO3_BASE 0xfffbd000 +#define OMAP7XX_GPIO4_BASE 0xfffbd800 +#define OMAP7XX_GPIO5_BASE 0xfffbe000 +#define OMAP7XX_GPIO6_BASE 0xfffbe800 +#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE + +/* mpu gpio */ +static struct __initdata resource omap7xx_mpu_gpio_resources[] = { + { + .start = OMAP1_MPUIO_VBASE, + .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_MPUIO, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap7xx_mpu_gpio_config = { + .virtual_irq_start = IH_MPUIO_BASE, + .bank_type = METHOD_MPUIO, + .bank_width = 32, + .bank_stride = 2, +}; + +static struct __initdata platform_device omap7xx_mpu_gpio = { + .name = "omap_gpio", + .id = 0, + .dev = { + .platform_data = &omap7xx_mpu_gpio_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_mpu_gpio_resources), + .resource = omap7xx_mpu_gpio_resources, +}; + +/* gpio1 */ +static struct __initdata resource omap7xx_gpio1_resources[] = { + { + .start = OMAP7XX_GPIO1_BASE, + .end = OMAP7XX_GPIO1_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK1, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap7xx_gpio1_config = { + .virtual_irq_start = IH_GPIO_BASE, + .bank_type = METHOD_GPIO_7XX, + .bank_width = 32, +}; + +static struct __initdata platform_device omap7xx_gpio1 = { + .name = "omap_gpio", + .id = 1, + .dev = { + .platform_data = &omap7xx_gpio1_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio1_resources), + .resource = omap7xx_gpio1_resources, +}; + +/* gpio2 */ +static struct __initdata resource omap7xx_gpio2_resources[] = { + { + .start = OMAP7XX_GPIO2_BASE, + .end = OMAP7XX_GPIO2_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap7xx_gpio2_config = { + .virtual_irq_start = IH_GPIO_BASE + 32, + .bank_type = METHOD_GPIO_7XX, + .bank_width = 32, +}; + +static struct __initdata platform_device omap7xx_gpio2 = { + .name = "omap_gpio", + .id = 2, + .dev = { + .platform_data = &omap7xx_gpio2_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio2_resources), + .resource = omap7xx_gpio2_resources, +}; + +/* gpio3 */ +static struct __initdata resource omap7xx_gpio3_resources[] = { + { + .start = OMAP7XX_GPIO3_BASE, + .end = OMAP7XX_GPIO3_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap7xx_gpio3_config = { + .virtual_irq_start = IH_GPIO_BASE + 64, + .bank_type = METHOD_GPIO_7XX, + .bank_width = 32, +}; + +static struct __initdata platform_device omap7xx_gpio3 = { + .name = "omap_gpio", + .id = 3, + .dev = { + .platform_data = &omap7xx_gpio3_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio3_resources), + .resource = omap7xx_gpio3_resources, +}; + +/* gpio4 */ +static struct __initdata resource omap7xx_gpio4_resources[] = { + { + .start = OMAP7XX_GPIO4_BASE, + .end = OMAP7XX_GPIO4_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK4, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap7xx_gpio4_config = { + .virtual_irq_start = IH_GPIO_BASE + 96, + .bank_type = METHOD_GPIO_7XX, + .bank_width = 32, +}; + +static struct __initdata platform_device omap7xx_gpio4 = { + .name = "omap_gpio", + .id = 4, + .dev = { + .platform_data = &omap7xx_gpio4_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio4_resources), + .resource = omap7xx_gpio4_resources, +}; + +/* gpio5 */ +static struct __initdata resource omap7xx_gpio5_resources[] = { + { + .start = OMAP7XX_GPIO5_BASE, + .end = OMAP7XX_GPIO5_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK5, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap7xx_gpio5_config = { + .virtual_irq_start = IH_GPIO_BASE + 128, + .bank_type = METHOD_GPIO_7XX, + .bank_width = 32, +}; + +static struct __initdata platform_device omap7xx_gpio5 = { + .name = "omap_gpio", + .id = 5, + .dev = { + .platform_data = &omap7xx_gpio5_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio5_resources), + .resource = omap7xx_gpio5_resources, +}; + +/* gpio6 */ +static struct __initdata resource omap7xx_gpio6_resources[] = { + { + .start = OMAP7XX_GPIO6_BASE, + .end = OMAP7XX_GPIO6_BASE + SZ_2K - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = INT_7XX_GPIO_BANK6, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct __initdata omap_gpio_platform_data omap7xx_gpio6_config = { + .virtual_irq_start = IH_GPIO_BASE + 160, + .bank_type = METHOD_GPIO_7XX, + .bank_width = 32, +}; + +static struct __initdata platform_device omap7xx_gpio6 = { + .name = "omap_gpio", + .id = 6, + .dev = { + .platform_data = &omap7xx_gpio6_config, + }, + .num_resources = ARRAY_SIZE(omap7xx_gpio6_resources), + .resource = omap7xx_gpio6_resources, +}; + +static struct __initdata platform_device * omap7xx_gpio_dev[] = { + &omap7xx_mpu_gpio, + &omap7xx_gpio1, + &omap7xx_gpio2, + &omap7xx_gpio3, + &omap7xx_gpio4, + &omap7xx_gpio5, + &omap7xx_gpio6, +}; + +/* + * omap7xx_gpio_init needs to be done before + * machine_init functions access gpio APIs. + * Hence omap7xx_gpio_init is a postcore_initcall. + */ +static int __init omap7xx_gpio_init(void) +{ + int i; + + if (!cpu_is_omap7xx()) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(omap7xx_gpio_dev); i++) + platform_device_register(omap7xx_gpio_dev[i]); + + gpio_bank_count = ARRAY_SIZE(omap7xx_gpio_dev); + + return 0; +} +postcore_initcall(omap7xx_gpio_init); diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index ce7b1f01767..fbc87395a02 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -4,7 +4,7 @@ # Common support obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o pm.o \ - common.o + common.o gpio.o omap-2-3-common = irq.o sdrc.o prm2xxx_3xxx.o hwmod-common = omap_hwmod.o \ diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index ee7ac993a27..c00f26aca0d 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -145,7 +145,6 @@ static void __init omap_2430sdp_init_irq(void) omap_board_config_size = ARRAY_SIZE(sdp2430_config); omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); } static struct twl4030_gpio_platform_data sdp2430_gpio_data = { diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c index ad4cb262719..869fb133c20 100644 --- a/arch/arm/mach-omap2/board-3430sdp.c +++ b/arch/arm/mach-omap2/board-3430sdp.c @@ -328,7 +328,6 @@ static void __init omap_3430sdp_init_irq(void) omap3_pm_init_cpuidle(omap3_cpuidle_params_table); omap2_init_common_hw(hyb18m512160af6_sdrc_params, NULL); omap_init_irq(); - omap_gpio_init(); } static int sdp3430_batt_table[] = { diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c index 4cd96d70b9c..a8d35ba7781 100644 --- a/arch/arm/mach-omap2/board-3630sdp.c +++ b/arch/arm/mach-omap2/board-3630sdp.c @@ -76,7 +76,6 @@ static void __init omap_sdp_init_irq(void) omap2_init_common_hw(h8mbx00u0mer0em_sdrc_params, h8mbx00u0mer0em_sdrc_params); omap_init_irq(); - omap_gpio_init(); } #ifdef CONFIG_OMAP_MUX diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 94d989bee8a..8842ec5e51e 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -223,7 +223,6 @@ static void __init omap_4430sdp_init_irq(void) omap2_gp_clockevent_set_gptimer(1); #endif gic_init_irq(); - omap_gpio_init(); } static struct omap_musb_board_data musb_board_data = { diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c index 13ead330e38..8ba404770e7 100644 --- a/arch/arm/mach-omap2/board-am3517crane.c +++ b/arch/arm/mach-omap2/board-am3517crane.c @@ -19,7 +19,6 @@ #include <linux/kernel.h> #include <linux/init.h> -#include <linux/gpio.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -50,7 +49,6 @@ static void __init am3517_crane_init_irq(void) omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); } static void __init am3517_crane_init(void) diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index 63035d8231e..86867138f1e 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -392,7 +392,6 @@ static void __init am3517_evm_init_irq(void) omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); } static struct omap_musb_board_data musb_board_data = { diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c index b01d6e422d7..4e91f453ea9 100644 --- a/arch/arm/mach-omap2/board-apollon.c +++ b/arch/arm/mach-omap2/board-apollon.c @@ -280,8 +280,6 @@ static void __init omap_apollon_init_irq(void) omap_board_config_size = ARRAY_SIZE(apollon_config); omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); - apollon_init_smc91x(); } static void __init apollon_led_init(void) @@ -322,6 +320,7 @@ static void __init omap_apollon_init(void) omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC); + apollon_init_smc91x(); apollon_led_init(); apollon_flash_init(); apollon_usb_init(); diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c index 63f764e2af3..78b67fb790b 100644 --- a/arch/arm/mach-omap2/board-cm-t35.c +++ b/arch/arm/mach-omap2/board-cm-t35.c @@ -686,7 +686,6 @@ static void __init cm_t35_init_irq(void) omap2_init_common_hw(mt46h32m32lf6_sdrc_params, mt46h32m32lf6_sdrc_params); omap_init_irq(); - omap_gpio_init(); } static struct omap_board_mux board_mux[] __initdata = { diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c index 1dd303e9a26..7ee23dab84f 100644 --- a/arch/arm/mach-omap2/board-cm-t3517.c +++ b/arch/arm/mach-omap2/board-cm-t3517.c @@ -250,7 +250,6 @@ static void __init cm_t3517_init_irq(void) omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); } static struct omap_board_mux board_mux[] __initdata = { diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 53ac762518b..a30a7fce8cb 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -450,7 +450,6 @@ static void __init devkit8000_init_irq(void) #ifdef CONFIG_OMAP_32K_TIMER omap2_gp_clockevent_set_gptimer(12); #endif - omap_gpio_init(); } static void __init devkit8000_ads7846_init(void) diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 263da1da181..9ec77a4a6b8 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -293,7 +293,6 @@ static void __init omap_h4_init_irq(void) omap_board_config_size = ARRAY_SIZE(h4_config); omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); h4_init_flash(); } diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c index 6f8f9b4533f..59b95f2389d 100644 --- a/arch/arm/mach-omap2/board-igep0020.c +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -484,7 +484,6 @@ static void __init igep2_init_irq(void) { omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params); omap_init_irq(); - omap_gpio_init(); } static struct twl4030_codec_audio_data igep2_audio_data = { diff --git a/arch/arm/mach-omap2/board-igep0030.c b/arch/arm/mach-omap2/board-igep0030.c index 8dc6ed3aa37..886f193a841 100644 --- a/arch/arm/mach-omap2/board-igep0030.c +++ b/arch/arm/mach-omap2/board-igep0030.c @@ -291,7 +291,6 @@ static void __init igep3_init_irq(void) { omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params); omap_init_irq(); - omap_gpio_init(); } static struct twl4030_platform_data igep3_twl4030_pdata = { diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index 84b4ea67d15..7455b0aadf8 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -294,8 +294,6 @@ static void __init omap_ldp_init_irq(void) omap_board_config_size = ARRAY_SIZE(ldp_config); omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); - ldp_init_smsc911x(); } static struct twl4030_usb_data ldp_usb_data = { @@ -424,6 +422,7 @@ static struct mtd_partition ldp_nand_partitions[] = { static void __init omap_ldp_init(void) { omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); + ldp_init_smsc911x(); omap_i2c_init(); platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); ts_gpio = 54; diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 0a4bc7715c3..d4ce96316e3 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -633,7 +633,6 @@ static void __init n8x0_init_irq(void) { omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); } #ifdef CONFIG_OMAP_MUX diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index d42c8c93605..f1a8edefa42 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -490,7 +490,6 @@ static void __init omap3_beagle_init_irq(void) #ifdef CONFIG_OMAP_32K_TIMER omap2_gp_clockevent_set_gptimer(12); #endif - omap_gpio_init(); } static struct platform_device *omap3_beagle_devices[] __initdata = { diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 8f1e69a9205..21ffc5c587a 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -625,7 +625,6 @@ static void __init omap3_evm_init_irq(void) omap_board_config_size = ARRAY_SIZE(omap3_evm_config); omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL); omap_init_irq(); - omap_gpio_init(); } static struct platform_device *omap3_evm_devices[] __initdata = { diff --git a/arch/arm/mach-omap2/board-omap3logic.c b/arch/arm/mach-omap2/board-omap3logic.c index e2e9562f4de..cfd618d3bda 100644 --- a/arch/arm/mach-omap2/board-omap3logic.c +++ b/arch/arm/mach-omap2/board-omap3logic.c @@ -199,7 +199,6 @@ static void __init omap3logic_init_irq(void) { omap2_init_common_hw(NULL, NULL); omap_init_irq(); - omap_gpio_init(); } #ifdef CONFIG_OMAP_MUX diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c index 445b1584321..de8df58b8f1 100644 --- a/arch/arm/mach-omap2/board-omap3pandora.c +++ b/arch/arm/mach-omap2/board-omap3pandora.c @@ -639,7 +639,6 @@ static void __init omap3pandora_init_irq(void) omap2_init_common_hw(mt46h32m32lf6_sdrc_params, mt46h32m32lf6_sdrc_params); omap_init_irq(); - omap_gpio_init(); } static void pandora_wl1251_set_power(bool enable) diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index ba65fe8a9e1..1af344b872b 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -589,7 +589,6 @@ static void __init omap3_stalker_init_irq(void) #ifdef CONFIG_OMAP_32K_TIMER omap2_gp_clockevent_set_gptimer(12); #endif - omap_gpio_init(); } static struct platform_device *omap3_stalker_devices[] __initdata = { diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index 8d530a607f8..baa72c507d4 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -426,7 +426,6 @@ static void __init omap3_touchbook_init_irq(void) #ifdef CONFIG_OMAP_32K_TIMER omap2_gp_clockevent_set_gptimer(12); #endif - omap_gpio_init(); } static struct platform_device *omap3_touchbook_devices[] __initdata = { diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 801f8146b00..38f942beb12 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -79,7 +79,6 @@ static void __init omap4_panda_init_irq(void) { omap2_init_common_hw(NULL, NULL); gic_init_irq(); - omap_gpio_init(); } static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c index 133b5ead830..b75bdcd4711 100644 --- a/arch/arm/mach-omap2/board-overo.c +++ b/arch/arm/mach-omap2/board-overo.c @@ -416,7 +416,6 @@ static void __init overo_init_irq(void) omap2_init_common_hw(mt46h32m32lf6_sdrc_params, mt46h32m32lf6_sdrc_params); omap_init_irq(); - omap_gpio_init(); } static struct platform_device *overo_devices[] __initdata = { diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index f3b6e103b01..6635142d7d0 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -108,7 +108,6 @@ static void __init rx51_init_irq(void) sdrc_params = rx51_get_sdram_timings(); omap2_init_common_hw(sdrc_params, sdrc_params); omap_init_irq(); - omap_gpio_init(); } extern void __init rx51_peripherals_init(void); diff --git a/arch/arm/mach-omap2/board-zoom.c b/arch/arm/mach-omap2/board-zoom.c index 27979fd527d..0dff9deaa89 100644 --- a/arch/arm/mach-omap2/board-zoom.c +++ b/arch/arm/mach-omap2/board-zoom.c @@ -43,7 +43,6 @@ static void __init omap_zoom_init_irq(void) h8mbx00u0mer0em_sdrc_params); omap_init_irq(); - omap_gpio_init(); } #ifdef CONFIG_OMAP_MUX diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c new file mode 100644 index 00000000000..413de18c1d2 --- /dev/null +++ b/arch/arm/mach-omap2/gpio.c @@ -0,0 +1,104 @@ +/* + * OMAP2+ specific gpio initialization + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Author: + * Charulatha V <charu@ti.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation version 2. + * + * This program is distributed "as is" WITHOUT ANY WARRANTY of any + * kind, whether express or implied; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/gpio.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/interrupt.h> + +#include <plat/omap_hwmod.h> +#include <plat/omap_device.h> + +static struct omap_device_pm_latency omap_gpio_latency[] = { + [0] = { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, + }, +}; + +static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) +{ + struct omap_device *od; + struct omap_gpio_platform_data *pdata; + struct omap_gpio_dev_attr *dev_attr; + char *name = "omap_gpio"; + int id; + + /* + * extract the device id from name field available in the + * hwmod database and use the same for constructing ids for + * gpio devices. + * CAUTION: Make sure the name in the hwmod database does + * not change. If changed, make corresponding change here + * or make use of static variable mechanism to handle this. + */ + sscanf(oh->name, "gpio%d", &id); + + pdata = kzalloc(sizeof(struct omap_gpio_platform_data), GFP_KERNEL); + if (!pdata) { + pr_err("gpio%d: Memory allocation failed\n", id); + return -ENOMEM; + } + + dev_attr = (struct omap_gpio_dev_attr *)oh->dev_attr; + pdata->bank_width = dev_attr->bank_width; + pdata->dbck_flag = dev_attr->dbck_flag; + pdata->virtual_irq_start = IH_GPIO_BASE + 32 * (id - 1); + + switch (oh->class->rev) { + case 0: + case 1: + pdata->bank_type = METHOD_GPIO_24XX; + break; + case 2: + pdata->bank_type = METHOD_GPIO_44XX; + break; + default: + WARN(1, "Invalid gpio bank_type\n"); + kfree(pdata); + return -EINVAL; + } + + od = omap_device_build(name, id - 1, oh, pdata, + sizeof(*pdata), omap_gpio_latency, + ARRAY_SIZE(omap_gpio_latency), + false); + kfree(pdata); + + if (IS_ERR(od)) { + WARN(1, "Cant build omap_device for %s:%s.\n", + name, oh->name); + return PTR_ERR(od); + } + + gpio_bank_count++; + return 0; +} + +/* + * gpio_init needs to be done before + * machine_init functions access gpio APIs. + * Hence gpio_init is a postcore_initcall. + */ +static int __init omap2_gpio_init(void) +{ + return omap_hwmod_for_each_by_class("gpio", omap2_gpio_dev_init, + NULL); +} +postcore_initcall(omap2_gpio_init); diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index a1a3dd6303b..d9534259979 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -17,7 +17,7 @@ #include <plat/dma.h> #include <plat/serial.h> #include <plat/i2c.h> -#include <plat/omap24xx.h> +#include <plat/gpio.h> #include "omap_hwmod_common_data.h" @@ -38,6 +38,10 @@ static struct omap_hwmod omap2420_iva_hwmod; static struct omap_hwmod omap2420_l3_main_hwmod; static struct omap_hwmod omap2420_l4_core_hwmod; static struct omap_hwmod omap2420_wd_timer2_hwmod; +static struct omap_hwmod omap2420_gpio1_hwmod; +static struct omap_hwmod omap2420_gpio2_hwmod; +static struct omap_hwmod omap2420_gpio3_hwmod; +static struct omap_hwmod omap2420_gpio4_hwmod; /* L3 -> L4_CORE interface */ static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = { @@ -557,6 +561,224 @@ static struct omap_hwmod omap2420_i2c2_hwmod = { .flags = HWMOD_16BIT_REG, }; +/* l4_wkup -> gpio1 */ +static struct omap_hwmod_addr_space omap2420_gpio1_addr_space[] = { + { + .pa_start = 0x48018000, + .pa_end = 0x480181ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2420_l4_wkup__gpio1 = { + .master = &omap2420_l4_wkup_hwmod, + .slave = &omap2420_gpio1_hwmod, + .clk = "gpios_ick", + .addr = omap2420_gpio1_addr_space, + .addr_cnt = ARRAY_SIZE(omap2420_gpio1_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_wkup -> gpio2 */ +static struct omap_hwmod_addr_space omap2420_gpio2_addr_space[] = { + { + .pa_start = 0x4801a000, + .pa_end = 0x4801a1ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2420_l4_wkup__gpio2 = { + .master = &omap2420_l4_wkup_hwmod, + .slave = &omap2420_gpio2_hwmod, + .clk = "gpios_ick", + .addr = omap2420_gpio2_addr_space, + .addr_cnt = ARRAY_SIZE(omap2420_gpio2_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_wkup -> gpio3 */ +static struct omap_hwmod_addr_space omap2420_gpio3_addr_space[] = { + { + .pa_start = 0x4801c000, + .pa_end = 0x4801c1ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2420_l4_wkup__gpio3 = { + .master = &omap2420_l4_wkup_hwmod, + .slave = &omap2420_gpio3_hwmod, + .clk = "gpios_ick", + .addr = omap2420_gpio3_addr_space, + .addr_cnt = ARRAY_SIZE(omap2420_gpio3_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_wkup -> gpio4 */ +static struct omap_hwmod_addr_space omap2420_gpio4_addr_space[] = { + { + .pa_start = 0x4801e000, + .pa_end = 0x4801e1ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2420_l4_wkup__gpio4 = { + .master = &omap2420_l4_wkup_hwmod, + .slave = &omap2420_gpio4_hwmod, + .clk = "gpios_ick", + .addr = omap2420_gpio4_addr_space, + .addr_cnt = ARRAY_SIZE(omap2420_gpio4_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio dev_attr */ +static struct omap_gpio_dev_attr gpio_dev_attr = { + .bank_width = 32, + .dbck_flag = false, +}; + +static struct omap_hwmod_class_sysconfig omap242x_gpio_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +/* + * 'gpio' class + * general purpose io module + */ +static struct omap_hwmod_class omap242x_gpio_hwmod_class = { + .name = "gpio", + .sysc = &omap242x_gpio_sysc, + .rev = 0, +}; + +/* gpio1 */ +static struct omap_hwmod_irq_info omap242x_gpio1_irqs[] = { + { .irq = 29 }, /* INT_24XX_GPIO_BANK1 */ +}; + +static struct omap_hwmod_ocp_if *omap2420_gpio1_slaves[] = { + &omap2420_l4_wkup__gpio1, +}; + +static struct omap_hwmod omap2420_gpio1_hwmod = { + .name = "gpio1", + .mpu_irqs = omap242x_gpio1_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio1_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_ST_GPIOS_SHIFT, + }, + }, + .slaves = omap2420_gpio1_slaves, + .slaves_cnt = ARRAY_SIZE(omap2420_gpio1_slaves), + .class = &omap242x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), +}; + +/* gpio2 */ +static struct omap_hwmod_irq_info omap242x_gpio2_irqs[] = { + { .irq = 30 }, /* INT_24XX_GPIO_BANK2 */ +}; + +static struct omap_hwmod_ocp_if *omap2420_gpio2_slaves[] = { + &omap2420_l4_wkup__gpio2, +}; + +static struct omap_hwmod omap2420_gpio2_hwmod = { + .name = "gpio2", + .mpu_irqs = omap242x_gpio2_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio2_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_ST_GPIOS_SHIFT, + }, + }, + .slaves = omap2420_gpio2_slaves, + .slaves_cnt = ARRAY_SIZE(omap2420_gpio2_slaves), + .class = &omap242x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), +}; + +/* gpio3 */ +static struct omap_hwmod_irq_info omap242x_gpio3_irqs[] = { + { .irq = 31 }, /* INT_24XX_GPIO_BANK3 */ +}; + +static struct omap_hwmod_ocp_if *omap2420_gpio3_slaves[] = { + &omap2420_l4_wkup__gpio3, +}; + +static struct omap_hwmod omap2420_gpio3_hwmod = { + .name = "gpio3", + .mpu_irqs = omap242x_gpio3_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio3_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_ST_GPIOS_SHIFT, + }, + }, + .slaves = omap2420_gpio3_slaves, + .slaves_cnt = ARRAY_SIZE(omap2420_gpio3_slaves), + .class = &omap242x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), +}; + +/* gpio4 */ +static struct omap_hwmod_irq_info omap242x_gpio4_irqs[] = { + { .irq = 32 }, /* INT_24XX_GPIO_BANK4 */ +}; + +static struct omap_hwmod_ocp_if *omap2420_gpio4_slaves[] = { + &omap2420_l4_wkup__gpio4, +}; + +static struct omap_hwmod omap2420_gpio4_hwmod = { + .name = "gpio4", + .mpu_irqs = omap242x_gpio4_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap242x_gpio4_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_ST_GPIOS_SHIFT, + }, + }, + .slaves = omap2420_gpio4_slaves, + .slaves_cnt = ARRAY_SIZE(omap2420_gpio4_slaves), + .class = &omap242x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), +}; + static __initdata struct omap_hwmod *omap2420_hwmods[] = { &omap2420_l3_main_hwmod, &omap2420_l4_core_hwmod, @@ -569,6 +791,12 @@ static __initdata struct omap_hwmod *omap2420_hwmods[] = { &omap2420_uart3_hwmod, &omap2420_i2c1_hwmod, &omap2420_i2c2_hwmod, + + /* gpio class */ + &omap2420_gpio1_hwmod, + &omap2420_gpio2_hwmod, + &omap2420_gpio3_hwmod, + &omap2420_gpio4_hwmod, NULL, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 7cf0d3ab2a4..f68409e9fd3 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -17,7 +17,7 @@ #include <plat/dma.h> #include <plat/serial.h> #include <plat/i2c.h> -#include <plat/omap24xx.h> +#include <plat/gpio.h> #include "omap_hwmod_common_data.h" @@ -38,6 +38,11 @@ static struct omap_hwmod omap2430_iva_hwmod; static struct omap_hwmod omap2430_l3_main_hwmod; static struct omap_hwmod omap2430_l4_core_hwmod; static struct omap_hwmod omap2430_wd_timer2_hwmod; +static struct omap_hwmod omap2430_gpio1_hwmod; +static struct omap_hwmod omap2430_gpio2_hwmod; +static struct omap_hwmod omap2430_gpio3_hwmod; +static struct omap_hwmod omap2430_gpio4_hwmod; +static struct omap_hwmod omap2430_gpio5_hwmod; /* L3 -> L4_CORE interface */ static struct omap_hwmod_ocp_if omap2430_l3_main__l4_core = { @@ -569,6 +574,272 @@ static struct omap_hwmod omap2430_i2c2_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), }; +/* l4_wkup -> gpio1 */ +static struct omap_hwmod_addr_space omap2430_gpio1_addr_space[] = { + { + .pa_start = 0x4900C000, + .pa_end = 0x4900C1ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_wkup__gpio1 = { + .master = &omap2430_l4_wkup_hwmod, + .slave = &omap2430_gpio1_hwmod, + .clk = "gpios_ick", + .addr = omap2430_gpio1_addr_space, + .addr_cnt = ARRAY_SIZE(omap2430_gpio1_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_wkup -> gpio2 */ +static struct omap_hwmod_addr_space omap2430_gpio2_addr_space[] = { + { + .pa_start = 0x4900E000, + .pa_end = 0x4900E1ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_wkup__gpio2 = { + .master = &omap2430_l4_wkup_hwmod, + .slave = &omap2430_gpio2_hwmod, + .clk = "gpios_ick", + .addr = omap2430_gpio2_addr_space, + .addr_cnt = ARRAY_SIZE(omap2430_gpio2_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_wkup -> gpio3 */ +static struct omap_hwmod_addr_space omap2430_gpio3_addr_space[] = { + { + .pa_start = 0x49010000, + .pa_end = 0x490101ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_wkup__gpio3 = { + .master = &omap2430_l4_wkup_hwmod, + .slave = &omap2430_gpio3_hwmod, + .clk = "gpios_ick", + .addr = omap2430_gpio3_addr_space, + .addr_cnt = ARRAY_SIZE(omap2430_gpio3_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_wkup -> gpio4 */ +static struct omap_hwmod_addr_space omap2430_gpio4_addr_space[] = { + { + .pa_start = 0x49012000, + .pa_end = 0x490121ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_wkup__gpio4 = { + .master = &omap2430_l4_wkup_hwmod, + .slave = &omap2430_gpio4_hwmod, + .clk = "gpios_ick", + .addr = omap2430_gpio4_addr_space, + .addr_cnt = ARRAY_SIZE(omap2430_gpio4_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_core -> gpio5 */ +static struct omap_hwmod_addr_space omap2430_gpio5_addr_space[] = { + { + .pa_start = 0x480B6000, + .pa_end = 0x480B61ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_core__gpio5 = { + .master = &omap2430_l4_core_hwmod, + .slave = &omap2430_gpio5_hwmod, + .clk = "gpio5_ick", + .addr = omap2430_gpio5_addr_space, + .addr_cnt = ARRAY_SIZE(omap2430_gpio5_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio dev_attr */ +static struct omap_gpio_dev_attr gpio_dev_attr = { + .bank_width = 32, + .dbck_flag = false, +}; + +static struct omap_hwmod_class_sysconfig omap243x_gpio_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +/* + * 'gpio' class + * general purpose io module + */ +static struct omap_hwmod_class omap243x_gpio_hwmod_class = { + .name = "gpio", + .sysc = &omap243x_gpio_sysc, + .rev = 0, +}; + +/* gpio1 */ +static struct omap_hwmod_irq_info omap243x_gpio1_irqs[] = { + { .irq = 29 }, /* INT_24XX_GPIO_BANK1 */ +}; + +static struct omap_hwmod_ocp_if *omap2430_gpio1_slaves[] = { + &omap2430_l4_wkup__gpio1, +}; + +static struct omap_hwmod omap2430_gpio1_hwmod = { + .name = "gpio1", + .mpu_irqs = omap243x_gpio1_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio1_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_EN_GPIOS_SHIFT, + }, + }, + .slaves = omap2430_gpio1_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_gpio1_slaves), + .class = &omap243x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + +/* gpio2 */ +static struct omap_hwmod_irq_info omap243x_gpio2_irqs[] = { + { .irq = 30 }, /* INT_24XX_GPIO_BANK2 */ +}; + +static struct omap_hwmod_ocp_if *omap2430_gpio2_slaves[] = { + &omap2430_l4_wkup__gpio2, +}; + +static struct omap_hwmod omap2430_gpio2_hwmod = { + .name = "gpio2", + .mpu_irqs = omap243x_gpio2_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio2_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_ST_GPIOS_SHIFT, + }, + }, + .slaves = omap2430_gpio2_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_gpio2_slaves), + .class = &omap243x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + +/* gpio3 */ +static struct omap_hwmod_irq_info omap243x_gpio3_irqs[] = { + { .irq = 31 }, /* INT_24XX_GPIO_BANK3 */ +}; + +static struct omap_hwmod_ocp_if *omap2430_gpio3_slaves[] = { + &omap2430_l4_wkup__gpio3, +}; + +static struct omap_hwmod omap2430_gpio3_hwmod = { + .name = "gpio3", + .mpu_irqs = omap243x_gpio3_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio3_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_ST_GPIOS_SHIFT, + }, + }, + .slaves = omap2430_gpio3_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_gpio3_slaves), + .class = &omap243x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + +/* gpio4 */ +static struct omap_hwmod_irq_info omap243x_gpio4_irqs[] = { + { .irq = 32 }, /* INT_24XX_GPIO_BANK4 */ +}; + +static struct omap_hwmod_ocp_if *omap2430_gpio4_slaves[] = { + &omap2430_l4_wkup__gpio4, +}; + +static struct omap_hwmod omap2430_gpio4_hwmod = { + .name = "gpio4", + .mpu_irqs = omap243x_gpio4_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio4_irqs), + .main_clk = "gpios_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP24XX_EN_GPIOS_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP24XX_ST_GPIOS_SHIFT, + }, + }, + .slaves = omap2430_gpio4_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_gpio4_slaves), + .class = &omap243x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + +/* gpio5 */ +static struct omap_hwmod_irq_info omap243x_gpio5_irqs[] = { + { .irq = 33 }, /* INT_24XX_GPIO_BANK5 */ +}; + +static struct omap_hwmod_ocp_if *omap2430_gpio5_slaves[] = { + &omap2430_l4_core__gpio5, +}; + +static struct omap_hwmod omap2430_gpio5_hwmod = { + .name = "gpio5", + .mpu_irqs = omap243x_gpio5_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap243x_gpio5_irqs), + .main_clk = "gpio5_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 2, + .module_bit = OMAP2430_EN_GPIO5_SHIFT, + .module_offs = CORE_MOD, + .idlest_reg_id = 2, + .idlest_idle_bit = OMAP2430_ST_GPIO5_SHIFT, + }, + }, + .slaves = omap2430_gpio5_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_gpio5_slaves), + .class = &omap243x_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + static __initdata struct omap_hwmod *omap2430_hwmods[] = { &omap2430_l3_main_hwmod, &omap2430_l4_core_hwmod, @@ -581,6 +852,13 @@ static __initdata struct omap_hwmod *omap2430_hwmods[] = { &omap2430_uart3_hwmod, &omap2430_i2c1_hwmod, &omap2430_i2c2_hwmod, + + /* gpio class */ + &omap2430_gpio1_hwmod, + &omap2430_gpio2_hwmod, + &omap2430_gpio3_hwmod, + &omap2430_gpio4_hwmod, + &omap2430_gpio5_hwmod, NULL, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index a8bed843079..2687be10d7a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -20,7 +20,7 @@ #include <plat/serial.h> #include <plat/l4_3xxx.h> #include <plat/i2c.h> -#include <plat/omap34xx.h> +#include <plat/gpio.h> #include "omap_hwmod_common_data.h" @@ -45,6 +45,12 @@ static struct omap_hwmod omap3xxx_wd_timer2_hwmod; static struct omap_hwmod omap3xxx_i2c1_hwmod; static struct omap_hwmod omap3xxx_i2c2_hwmod; static struct omap_hwmod omap3xxx_i2c3_hwmod; +static struct omap_hwmod omap3xxx_gpio1_hwmod; +static struct omap_hwmod omap3xxx_gpio2_hwmod; +static struct omap_hwmod omap3xxx_gpio3_hwmod; +static struct omap_hwmod omap3xxx_gpio4_hwmod; +static struct omap_hwmod omap3xxx_gpio5_hwmod; +static struct omap_hwmod omap3xxx_gpio6_hwmod; /* L3 -> L4_CORE interface */ static struct omap_hwmod_ocp_if omap3xxx_l3_main__l4_core = { @@ -739,6 +745,351 @@ static struct omap_hwmod omap3xxx_i2c3_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), }; +/* l4_wkup -> gpio1 */ +static struct omap_hwmod_addr_space omap3xxx_gpio1_addrs[] = { + { + .pa_start = 0x48310000, + .pa_end = 0x483101ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap3xxx_l4_wkup__gpio1 = { + .master = &omap3xxx_l4_wkup_hwmod, + .slave = &omap3xxx_gpio1_hwmod, + .addr = omap3xxx_gpio1_addrs, + .addr_cnt = ARRAY_SIZE(omap3xxx_gpio1_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_per -> gpio2 */ +static struct omap_hwmod_addr_space omap3xxx_gpio2_addrs[] = { + { + .pa_start = 0x49050000, + .pa_end = 0x490501ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio2 = { + .master = &omap3xxx_l4_per_hwmod, + .slave = &omap3xxx_gpio2_hwmod, + .addr = omap3xxx_gpio2_addrs, + .addr_cnt = ARRAY_SIZE(omap3xxx_gpio2_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_per -> gpio3 */ +static struct omap_hwmod_addr_space omap3xxx_gpio3_addrs[] = { + { + .pa_start = 0x49052000, + .pa_end = 0x490521ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio3 = { + .master = &omap3xxx_l4_per_hwmod, + .slave = &omap3xxx_gpio3_hwmod, + .addr = omap3xxx_gpio3_addrs, + .addr_cnt = ARRAY_SIZE(omap3xxx_gpio3_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_per -> gpio4 */ +static struct omap_hwmod_addr_space omap3xxx_gpio4_addrs[] = { + { + .pa_start = 0x49054000, + .pa_end = 0x490541ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio4 = { + .master = &omap3xxx_l4_per_hwmod, + .slave = &omap3xxx_gpio4_hwmod, + .addr = omap3xxx_gpio4_addrs, + .addr_cnt = ARRAY_SIZE(omap3xxx_gpio4_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_per -> gpio5 */ +static struct omap_hwmod_addr_space omap3xxx_gpio5_addrs[] = { + { + .pa_start = 0x49056000, + .pa_end = 0x490561ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio5 = { + .master = &omap3xxx_l4_per_hwmod, + .slave = &omap3xxx_gpio5_hwmod, + .addr = omap3xxx_gpio5_addrs, + .addr_cnt = ARRAY_SIZE(omap3xxx_gpio5_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_per -> gpio6 */ +static struct omap_hwmod_addr_space omap3xxx_gpio6_addrs[] = { + { + .pa_start = 0x49058000, + .pa_end = 0x490581ff, + .flags = ADDR_TYPE_RT + }, +}; + +static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio6 = { + .master = &omap3xxx_l4_per_hwmod, + .slave = &omap3xxx_gpio6_hwmod, + .addr = omap3xxx_gpio6_addrs, + .addr_cnt = ARRAY_SIZE(omap3xxx_gpio6_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* + * 'gpio' class + * general purpose io module + */ + +static struct omap_hwmod_class_sysconfig omap3xxx_gpio_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap3xxx_gpio_hwmod_class = { + .name = "gpio", + .sysc = &omap3xxx_gpio_sysc, + .rev = 1, +}; + +/* gpio_dev_attr*/ +static struct omap_gpio_dev_attr gpio_dev_attr = { + .bank_width = 32, + .dbck_flag = true, +}; + +/* gpio1 */ +static struct omap_hwmod_irq_info omap3xxx_gpio1_irqs[] = { + { .irq = 29 }, /* INT_34XX_GPIO_BANK1 */ +}; + +static struct omap_hwmod_opt_clk gpio1_opt_clks[] = { + { .role = "dbclk", .clk = "gpio1_dbck", }, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_gpio1_slaves[] = { + &omap3xxx_l4_wkup__gpio1, +}; + +static struct omap_hwmod omap3xxx_gpio1_hwmod = { + .name = "gpio1", + .mpu_irqs = omap3xxx_gpio1_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio1_irqs), + .main_clk = "gpio1_ick", + .opt_clks = gpio1_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio1_opt_clks), + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_GPIO1_SHIFT, + .module_offs = WKUP_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430_ST_GPIO1_SHIFT, + }, + }, + .slaves = omap3xxx_gpio1_slaves, + .slaves_cnt = ARRAY_SIZE(omap3xxx_gpio1_slaves), + .class = &omap3xxx_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +/* gpio2 */ +static struct omap_hwmod_irq_info omap3xxx_gpio2_irqs[] = { + { .irq = 30 }, /* INT_34XX_GPIO_BANK2 */ +}; + +static struct omap_hwmod_opt_clk gpio2_opt_clks[] = { + { .role = "dbclk", .clk = "gpio2_dbck", }, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_gpio2_slaves[] = { + &omap3xxx_l4_per__gpio2, +}; + +static struct omap_hwmod omap3xxx_gpio2_hwmod = { + .name = "gpio2", + .mpu_irqs = omap3xxx_gpio2_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio2_irqs), + .main_clk = "gpio2_ick", + .opt_clks = gpio2_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio2_opt_clks), + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_GPIO2_SHIFT, + .module_offs = OMAP3430_PER_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430_ST_GPIO2_SHIFT, + }, + }, + .slaves = omap3xxx_gpio2_slaves, + .slaves_cnt = ARRAY_SIZE(omap3xxx_gpio2_slaves), + .class = &omap3xxx_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +/* gpio3 */ +static struct omap_hwmod_irq_info omap3xxx_gpio3_irqs[] = { + { .irq = 31 }, /* INT_34XX_GPIO_BANK3 */ +}; + +static struct omap_hwmod_opt_clk gpio3_opt_clks[] = { + { .role = "dbclk", .clk = "gpio3_dbck", }, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_gpio3_slaves[] = { + &omap3xxx_l4_per__gpio3, +}; + +static struct omap_hwmod omap3xxx_gpio3_hwmod = { + .name = "gpio3", + .mpu_irqs = omap3xxx_gpio3_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio3_irqs), + .main_clk = "gpio3_ick", + .opt_clks = gpio3_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio3_opt_clks), + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_GPIO3_SHIFT, + .module_offs = OMAP3430_PER_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430_ST_GPIO3_SHIFT, + }, + }, + .slaves = omap3xxx_gpio3_slaves, + .slaves_cnt = ARRAY_SIZE(omap3xxx_gpio3_slaves), + .class = &omap3xxx_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +/* gpio4 */ +static struct omap_hwmod_irq_info omap3xxx_gpio4_irqs[] = { + { .irq = 32 }, /* INT_34XX_GPIO_BANK4 */ +}; + +static struct omap_hwmod_opt_clk gpio4_opt_clks[] = { + { .role = "dbclk", .clk = "gpio4_dbck", }, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_gpio4_slaves[] = { + &omap3xxx_l4_per__gpio4, +}; + +static struct omap_hwmod omap3xxx_gpio4_hwmod = { + .name = "gpio4", + .mpu_irqs = omap3xxx_gpio4_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio4_irqs), + .main_clk = "gpio4_ick", + .opt_clks = gpio4_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio4_opt_clks), + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_GPIO4_SHIFT, + .module_offs = OMAP3430_PER_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430_ST_GPIO4_SHIFT, + }, + }, + .slaves = omap3xxx_gpio4_slaves, + .slaves_cnt = ARRAY_SIZE(omap3xxx_gpio4_slaves), + .class = &omap3xxx_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +/* gpio5 */ +static struct omap_hwmod_irq_info omap3xxx_gpio5_irqs[] = { + { .irq = 33 }, /* INT_34XX_GPIO_BANK5 */ +}; + +static struct omap_hwmod_opt_clk gpio5_opt_clks[] = { + { .role = "dbclk", .clk = "gpio5_dbck", }, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_gpio5_slaves[] = { + &omap3xxx_l4_per__gpio5, +}; + +static struct omap_hwmod omap3xxx_gpio5_hwmod = { + .name = "gpio5", + .mpu_irqs = omap3xxx_gpio5_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio5_irqs), + .main_clk = "gpio5_ick", + .opt_clks = gpio5_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio5_opt_clks), + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_GPIO5_SHIFT, + .module_offs = OMAP3430_PER_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430_ST_GPIO5_SHIFT, + }, + }, + .slaves = omap3xxx_gpio5_slaves, + .slaves_cnt = ARRAY_SIZE(omap3xxx_gpio5_slaves), + .class = &omap3xxx_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + +/* gpio6 */ +static struct omap_hwmod_irq_info omap3xxx_gpio6_irqs[] = { + { .irq = 34 }, /* INT_34XX_GPIO_BANK6 */ +}; + +static struct omap_hwmod_opt_clk gpio6_opt_clks[] = { + { .role = "dbclk", .clk = "gpio6_dbck", }, +}; + +static struct omap_hwmod_ocp_if *omap3xxx_gpio6_slaves[] = { + &omap3xxx_l4_per__gpio6, +}; + +static struct omap_hwmod omap3xxx_gpio6_hwmod = { + .name = "gpio6", + .mpu_irqs = omap3xxx_gpio6_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap3xxx_gpio6_irqs), + .main_clk = "gpio6_ick", + .opt_clks = gpio6_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio6_opt_clks), + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_GPIO6_SHIFT, + .module_offs = OMAP3430_PER_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430_ST_GPIO6_SHIFT, + }, + }, + .slaves = omap3xxx_gpio6_slaves, + .slaves_cnt = ARRAY_SIZE(omap3xxx_gpio6_slaves), + .class = &omap3xxx_gpio_hwmod_class, + .dev_attr = &gpio_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), +}; + static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { &omap3xxx_l3_main_hwmod, &omap3xxx_l4_core_hwmod, @@ -754,6 +1105,14 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { &omap3xxx_i2c1_hwmod, &omap3xxx_i2c2_hwmod, &omap3xxx_i2c3_hwmod, + + /* gpio class */ + &omap3xxx_gpio1_hwmod, + &omap3xxx_gpio2_hwmod, + &omap3xxx_gpio3_hwmod, + &omap3xxx_gpio4_hwmod, + &omap3xxx_gpio5_hwmod, + &omap3xxx_gpio6_hwmod, NULL, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 0d5c6eb7e4c..d258936410f 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -22,6 +22,7 @@ #include <plat/omap_hwmod.h> #include <plat/cpu.h> +#include <plat/gpio.h> #include "omap_hwmod_common_data.h" @@ -1043,6 +1044,338 @@ static struct omap_hwmod omap44xx_uart4_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; +/* + * 'gpio' class + * general purpose io module + */ + +static struct omap_hwmod_class_sysconfig omap44xx_gpio_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0114, + .sysc_flags = (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap44xx_gpio_hwmod_class = { + .name = "gpio", + .sysc = &omap44xx_gpio_sysc, + .rev = 2, +}; + +/* gpio dev_attr */ +static struct omap_gpio_dev_attr gpio_dev_attr = { + .bank_width = 32, + .dbck_flag = true, +}; + +/* gpio1 */ +static struct omap_hwmod omap44xx_gpio1_hwmod; +static struct omap_hwmod_irq_info omap44xx_gpio1_irqs[] = { + { .irq = 29 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_gpio1_addrs[] = { + { + .pa_start = 0x4a310000, + .pa_end = 0x4a3101ff, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_wkup -> gpio1 */ +static struct omap_hwmod_ocp_if omap44xx_l4_wkup__gpio1 = { + .master = &omap44xx_l4_wkup_hwmod, + .slave = &omap44xx_gpio1_hwmod, + .addr = omap44xx_gpio1_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_gpio1_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio1 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_gpio1_slaves[] = { + &omap44xx_l4_wkup__gpio1, +}; + +static struct omap_hwmod_opt_clk gpio1_opt_clks[] = { + { .role = "dbclk", .clk = "sys_32k_ck" }, +}; + +static struct omap_hwmod omap44xx_gpio1_hwmod = { + .name = "gpio1", + .class = &omap44xx_gpio_hwmod_class, + .mpu_irqs = omap44xx_gpio1_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_gpio1_irqs), + .main_clk = "gpio1_ick", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_WKUP_GPIO1_CLKCTRL, + }, + }, + .opt_clks = gpio1_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio1_opt_clks), + .dev_attr = &gpio_dev_attr, + .slaves = omap44xx_gpio1_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_gpio1_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + +/* gpio2 */ +static struct omap_hwmod omap44xx_gpio2_hwmod; +static struct omap_hwmod_irq_info omap44xx_gpio2_irqs[] = { + { .irq = 30 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_gpio2_addrs[] = { + { + .pa_start = 0x48055000, + .pa_end = 0x480551ff, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_per -> gpio2 */ +static struct omap_hwmod_ocp_if omap44xx_l4_per__gpio2 = { + .master = &omap44xx_l4_per_hwmod, + .slave = &omap44xx_gpio2_hwmod, + .addr = omap44xx_gpio2_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_gpio2_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio2 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_gpio2_slaves[] = { + &omap44xx_l4_per__gpio2, +}; + +static struct omap_hwmod_opt_clk gpio2_opt_clks[] = { + { .role = "dbclk", .clk = "sys_32k_ck" }, +}; + +static struct omap_hwmod omap44xx_gpio2_hwmod = { + .name = "gpio2", + .class = &omap44xx_gpio_hwmod_class, + .mpu_irqs = omap44xx_gpio2_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_gpio2_irqs), + .main_clk = "gpio2_ick", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_L4PER_GPIO2_CLKCTRL, + }, + }, + .opt_clks = gpio2_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio2_opt_clks), + .dev_attr = &gpio_dev_attr, + .slaves = omap44xx_gpio2_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_gpio2_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + +/* gpio3 */ +static struct omap_hwmod omap44xx_gpio3_hwmod; +static struct omap_hwmod_irq_info omap44xx_gpio3_irqs[] = { + { .irq = 31 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_gpio3_addrs[] = { + { + .pa_start = 0x48057000, + .pa_end = 0x480571ff, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_per -> gpio3 */ +static struct omap_hwmod_ocp_if omap44xx_l4_per__gpio3 = { + .master = &omap44xx_l4_per_hwmod, + .slave = &omap44xx_gpio3_hwmod, + .addr = omap44xx_gpio3_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_gpio3_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio3 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_gpio3_slaves[] = { + &omap44xx_l4_per__gpio3, +}; + +static struct omap_hwmod_opt_clk gpio3_opt_clks[] = { + { .role = "dbclk", .clk = "sys_32k_ck" }, +}; + +static struct omap_hwmod omap44xx_gpio3_hwmod = { + .name = "gpio3", + .class = &omap44xx_gpio_hwmod_class, + .mpu_irqs = omap44xx_gpio3_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_gpio3_irqs), + .main_clk = "gpio3_ick", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_L4PER_GPIO3_CLKCTRL, + }, + }, + .opt_clks = gpio3_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio3_opt_clks), + .dev_attr = &gpio_dev_attr, + .slaves = omap44xx_gpio3_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_gpio3_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + +/* gpio4 */ +static struct omap_hwmod omap44xx_gpio4_hwmod; +static struct omap_hwmod_irq_info omap44xx_gpio4_irqs[] = { + { .irq = 32 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_gpio4_addrs[] = { + { + .pa_start = 0x48059000, + .pa_end = 0x480591ff, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_per -> gpio4 */ +static struct omap_hwmod_ocp_if omap44xx_l4_per__gpio4 = { + .master = &omap44xx_l4_per_hwmod, + .slave = &omap44xx_gpio4_hwmod, + .addr = omap44xx_gpio4_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_gpio4_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio4 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_gpio4_slaves[] = { + &omap44xx_l4_per__gpio4, +}; + +static struct omap_hwmod_opt_clk gpio4_opt_clks[] = { + { .role = "dbclk", .clk = "sys_32k_ck" }, +}; + +static struct omap_hwmod omap44xx_gpio4_hwmod = { + .name = "gpio4", + .class = &omap44xx_gpio_hwmod_class, + .mpu_irqs = omap44xx_gpio4_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_gpio4_irqs), + .main_clk = "gpio4_ick", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_L4PER_GPIO4_CLKCTRL, + }, + }, + .opt_clks = gpio4_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio4_opt_clks), + .dev_attr = &gpio_dev_attr, + .slaves = omap44xx_gpio4_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_gpio4_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + +/* gpio5 */ +static struct omap_hwmod omap44xx_gpio5_hwmod; +static struct omap_hwmod_irq_info omap44xx_gpio5_irqs[] = { + { .irq = 33 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_gpio5_addrs[] = { + { + .pa_start = 0x4805b000, + .pa_end = 0x4805b1ff, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_per -> gpio5 */ +static struct omap_hwmod_ocp_if omap44xx_l4_per__gpio5 = { + .master = &omap44xx_l4_per_hwmod, + .slave = &omap44xx_gpio5_hwmod, + .addr = omap44xx_gpio5_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_gpio5_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio5 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_gpio5_slaves[] = { + &omap44xx_l4_per__gpio5, +}; + +static struct omap_hwmod_opt_clk gpio5_opt_clks[] = { + { .role = "dbclk", .clk = "sys_32k_ck" }, +}; + +static struct omap_hwmod omap44xx_gpio5_hwmod = { + .name = "gpio5", + .class = &omap44xx_gpio_hwmod_class, + .mpu_irqs = omap44xx_gpio5_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_gpio5_irqs), + .main_clk = "gpio5_ick", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_L4PER_GPIO5_CLKCTRL, + }, + }, + .opt_clks = gpio5_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio5_opt_clks), + .dev_attr = &gpio_dev_attr, + .slaves = omap44xx_gpio5_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_gpio5_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; + +/* gpio6 */ +static struct omap_hwmod omap44xx_gpio6_hwmod; +static struct omap_hwmod_irq_info omap44xx_gpio6_irqs[] = { + { .irq = 34 + OMAP44XX_IRQ_GIC_START }, +}; + +static struct omap_hwmod_addr_space omap44xx_gpio6_addrs[] = { + { + .pa_start = 0x4805d000, + .pa_end = 0x4805d1ff, + .flags = ADDR_TYPE_RT + }, +}; + +/* l4_per -> gpio6 */ +static struct omap_hwmod_ocp_if omap44xx_l4_per__gpio6 = { + .master = &omap44xx_l4_per_hwmod, + .slave = &omap44xx_gpio6_hwmod, + .addr = omap44xx_gpio6_addrs, + .addr_cnt = ARRAY_SIZE(omap44xx_gpio6_addrs), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* gpio6 slave ports */ +static struct omap_hwmod_ocp_if *omap44xx_gpio6_slaves[] = { + &omap44xx_l4_per__gpio6, +}; + +static struct omap_hwmod_opt_clk gpio6_opt_clks[] = { + { .role = "dbclk", .clk = "sys_32k_ck" }, +}; + +static struct omap_hwmod omap44xx_gpio6_hwmod = { + .name = "gpio6", + .class = &omap44xx_gpio_hwmod_class, + .mpu_irqs = omap44xx_gpio6_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(omap44xx_gpio6_irqs), + .main_clk = "gpio6_ick", + .prcm = { + .omap4 = { + .clkctrl_reg = OMAP4430_CM_L4PER_GPIO6_CLKCTRL, + }, + }, + .opt_clks = gpio6_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(gpio6_opt_clks), + .dev_attr = &gpio_dev_attr, + .slaves = omap44xx_gpio6_slaves, + .slaves_cnt = ARRAY_SIZE(omap44xx_gpio6_slaves), + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), +}; static __initdata struct omap_hwmod *omap44xx_hwmods[] = { /* dmm class */ &omap44xx_dmm_hwmod, @@ -1066,6 +1399,14 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = { /* mpu_bus class */ &omap44xx_mpu_private_hwmod, + /* gpio class */ + &omap44xx_gpio1_hwmod, + &omap44xx_gpio2_hwmod, + &omap44xx_gpio3_hwmod, + &omap44xx_gpio4_hwmod, + &omap44xx_gpio5_hwmod, + &omap44xx_gpio6_hwmod, + /* mpu class */ &omap44xx_mpu_hwmod, /* wd_timer class */ diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c index e0e2fa72526..8d493b992e7 100644 --- a/arch/arm/plat-omap/gpio.c +++ b/arch/arm/plat-omap/gpio.c @@ -21,6 +21,8 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/slab.h> +#include <linux/pm_runtime.h> #include <mach/hardware.h> #include <asm/irq.h> @@ -32,7 +34,6 @@ /* * OMAP1510 GPIO registers */ -#define OMAP1510_GPIO_BASE 0xfffce000 #define OMAP1510_GPIO_DATA_INPUT 0x00 #define OMAP1510_GPIO_DATA_OUTPUT 0x04 #define OMAP1510_GPIO_DIR_CONTROL 0x08 @@ -46,10 +47,6 @@ /* * OMAP1610 specific GPIO registers */ -#define OMAP1610_GPIO1_BASE 0xfffbe400 -#define OMAP1610_GPIO2_BASE 0xfffbec00 -#define OMAP1610_GPIO3_BASE 0xfffbb400 -#define OMAP1610_GPIO4_BASE 0xfffbbc00 #define OMAP1610_GPIO_REVISION 0x0000 #define OMAP1610_GPIO_SYSCONFIG 0x0010 #define OMAP1610_GPIO_SYSSTATUS 0x0014 @@ -71,12 +68,6 @@ /* * OMAP7XX specific GPIO registers */ -#define OMAP7XX_GPIO1_BASE 0xfffbc000 -#define OMAP7XX_GPIO2_BASE 0xfffbc800 -#define OMAP7XX_GPIO3_BASE 0xfffbd000 -#define OMAP7XX_GPIO4_BASE 0xfffbd800 -#define OMAP7XX_GPIO5_BASE 0xfffbe000 -#define OMAP7XX_GPIO6_BASE 0xfffbe800 #define OMAP7XX_GPIO_DATA_INPUT 0x00 #define OMAP7XX_GPIO_DATA_OUTPUT 0x04 #define OMAP7XX_GPIO_DIR_CONTROL 0x08 @@ -84,25 +75,10 @@ #define OMAP7XX_GPIO_INT_MASK 0x10 #define OMAP7XX_GPIO_INT_STATUS 0x14 -#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE - /* - * omap24xx specific GPIO registers + * omap2+ specific GPIO registers */ -#define OMAP242X_GPIO1_BASE 0x48018000 -#define OMAP242X_GPIO2_BASE 0x4801a000 -#define OMAP242X_GPIO3_BASE 0x4801c000 -#define OMAP242X_GPIO4_BASE 0x4801e000 - -#define OMAP243X_GPIO1_BASE 0x4900C000 -#define OMAP243X_GPIO2_BASE 0x4900E000 -#define OMAP243X_GPIO3_BASE 0x49010000 -#define OMAP243X_GPIO4_BASE 0x49012000 -#define OMAP243X_GPIO5_BASE 0x480B6000 - #define OMAP24XX_GPIO_REVISION 0x0000 -#define OMAP24XX_GPIO_SYSCONFIG 0x0010 -#define OMAP24XX_GPIO_SYSSTATUS 0x0014 #define OMAP24XX_GPIO_IRQSTATUS1 0x0018 #define OMAP24XX_GPIO_IRQSTATUS2 0x0028 #define OMAP24XX_GPIO_IRQENABLE2 0x002c @@ -126,7 +102,6 @@ #define OMAP24XX_GPIO_SETDATAOUT 0x0094 #define OMAP4_GPIO_REVISION 0x0000 -#define OMAP4_GPIO_SYSCONFIG 0x0010 #define OMAP4_GPIO_EOI 0x0020 #define OMAP4_GPIO_IRQSTATUSRAW0 0x0024 #define OMAP4_GPIO_IRQSTATUSRAW1 0x0028 @@ -138,7 +113,6 @@ #define OMAP4_GPIO_IRQSTATUSCLR1 0x0040 #define OMAP4_GPIO_IRQWAKEN0 0x0044 #define OMAP4_GPIO_IRQWAKEN1 0x0048 -#define OMAP4_GPIO_SYSSTATUS 0x0114 #define OMAP4_GPIO_IRQENABLE1 0x011c #define OMAP4_GPIO_WAKE_EN 0x0120 #define OMAP4_GPIO_IRQSTATUS2 0x0128 @@ -159,26 +133,6 @@ #define OMAP4_GPIO_SETWKUENA 0x0184 #define OMAP4_GPIO_CLEARDATAOUT 0x0190 #define OMAP4_GPIO_SETDATAOUT 0x0194 -/* - * omap34xx specific GPIO registers - */ - -#define OMAP34XX_GPIO1_BASE 0x48310000 -#define OMAP34XX_GPIO2_BASE 0x49050000 -#define OMAP34XX_GPIO3_BASE 0x49052000 -#define OMAP34XX_GPIO4_BASE 0x49054000 -#define OMAP34XX_GPIO5_BASE 0x49056000 -#define OMAP34XX_GPIO6_BASE 0x49058000 - -/* - * OMAP44XX specific GPIO registers - */ -#define OMAP44XX_GPIO1_BASE 0x4a310000 -#define OMAP44XX_GPIO2_BASE 0x48055000 -#define OMAP44XX_GPIO3_BASE 0x48057000 -#define OMAP44XX_GPIO4_BASE 0x48059000 -#define OMAP44XX_GPIO5_BASE 0x4805B000 -#define OMAP44XX_GPIO6_BASE 0x4805D000 struct gpio_bank { unsigned long pbase; @@ -190,14 +144,12 @@ struct gpio_bank { u32 suspend_wakeup; u32 saved_wakeup; #endif -#ifdef CONFIG_ARCH_OMAP2PLUS u32 non_wakeup_gpios; u32 enabled_non_wakeup_gpios; u32 saved_datain; u32 saved_fallingdetect; u32 saved_risingdetect; -#endif u32 level_mask; u32 toggle_mask; spinlock_t lock; @@ -205,104 +157,13 @@ struct gpio_bank { struct clk *dbck; u32 mod_usage; u32 dbck_enable_mask; + struct device *dev; + bool dbck_flag; + int stride; }; -#define METHOD_MPUIO 0 -#define METHOD_GPIO_1510 1 -#define METHOD_GPIO_1610 2 -#define METHOD_GPIO_7XX 3 -#define METHOD_GPIO_24XX 5 -#define METHOD_GPIO_44XX 6 - -#ifdef CONFIG_ARCH_OMAP16XX -static struct gpio_bank gpio_bank_1610[5] = { - { OMAP1_MPUIO_VBASE, NULL, INT_MPUIO, IH_MPUIO_BASE, - METHOD_MPUIO }, - { OMAP1610_GPIO1_BASE, NULL, INT_GPIO_BANK1, IH_GPIO_BASE, - METHOD_GPIO_1610 }, - { OMAP1610_GPIO2_BASE, NULL, INT_1610_GPIO_BANK2, IH_GPIO_BASE + 16, - METHOD_GPIO_1610 }, - { OMAP1610_GPIO3_BASE, NULL, INT_1610_GPIO_BANK3, IH_GPIO_BASE + 32, - METHOD_GPIO_1610 }, - { OMAP1610_GPIO4_BASE, NULL, INT_1610_GPIO_BANK4, IH_GPIO_BASE + 48, - METHOD_GPIO_1610 }, -}; -#endif - -#ifdef CONFIG_ARCH_OMAP15XX -static struct gpio_bank gpio_bank_1510[2] = { - { OMAP1_MPUIO_VBASE, NULL, INT_MPUIO, IH_MPUIO_BASE, - METHOD_MPUIO }, - { OMAP1510_GPIO_BASE, NULL, INT_GPIO_BANK1, IH_GPIO_BASE, - METHOD_GPIO_1510 } -}; -#endif - -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) -static struct gpio_bank gpio_bank_7xx[7] = { - { OMAP1_MPUIO_VBASE, NULL, INT_7XX_MPUIO, IH_MPUIO_BASE, - METHOD_MPUIO }, - { OMAP7XX_GPIO1_BASE, NULL, INT_7XX_GPIO_BANK1, IH_GPIO_BASE, - METHOD_GPIO_7XX }, - { OMAP7XX_GPIO2_BASE, NULL, INT_7XX_GPIO_BANK2, IH_GPIO_BASE + 32, - METHOD_GPIO_7XX }, - { OMAP7XX_GPIO3_BASE, NULL, INT_7XX_GPIO_BANK3, IH_GPIO_BASE + 64, - METHOD_GPIO_7XX }, - { OMAP7XX_GPIO4_BASE, NULL, INT_7XX_GPIO_BANK4, IH_GPIO_BASE + 96, - METHOD_GPIO_7XX }, - { OMAP7XX_GPIO5_BASE, NULL, INT_7XX_GPIO_BANK5, IH_GPIO_BASE + 128, - METHOD_GPIO_7XX }, - { OMAP7XX_GPIO6_BASE, NULL, INT_7XX_GPIO_BANK6, IH_GPIO_BASE + 160, - METHOD_GPIO_7XX }, -}; -#endif - -#ifdef CONFIG_ARCH_OMAP2 - -static struct gpio_bank gpio_bank_242x[4] = { - { OMAP242X_GPIO1_BASE, NULL, INT_24XX_GPIO_BANK1, IH_GPIO_BASE, - METHOD_GPIO_24XX }, - { OMAP242X_GPIO2_BASE, NULL, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32, - METHOD_GPIO_24XX }, - { OMAP242X_GPIO3_BASE, NULL, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64, - METHOD_GPIO_24XX }, - { OMAP242X_GPIO4_BASE, NULL, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96, - METHOD_GPIO_24XX }, -}; - -static struct gpio_bank gpio_bank_243x[5] = { - { OMAP243X_GPIO1_BASE, NULL, INT_24XX_GPIO_BANK1, IH_GPIO_BASE, - METHOD_GPIO_24XX }, - { OMAP243X_GPIO2_BASE, NULL, INT_24XX_GPIO_BANK2, IH_GPIO_BASE + 32, - METHOD_GPIO_24XX }, - { OMAP243X_GPIO3_BASE, NULL, INT_24XX_GPIO_BANK3, IH_GPIO_BASE + 64, - METHOD_GPIO_24XX }, - { OMAP243X_GPIO4_BASE, NULL, INT_24XX_GPIO_BANK4, IH_GPIO_BASE + 96, - METHOD_GPIO_24XX }, - { OMAP243X_GPIO5_BASE, NULL, INT_24XX_GPIO_BANK5, IH_GPIO_BASE + 128, - METHOD_GPIO_24XX }, -}; - -#endif - #ifdef CONFIG_ARCH_OMAP3 -static struct gpio_bank gpio_bank_34xx[6] = { - { OMAP34XX_GPIO1_BASE, NULL, INT_34XX_GPIO_BANK1, IH_GPIO_BASE, - METHOD_GPIO_24XX }, - { OMAP34XX_GPIO2_BASE, NULL, INT_34XX_GPIO_BANK2, IH_GPIO_BASE + 32, - METHOD_GPIO_24XX }, - { OMAP34XX_GPIO3_BASE, NULL, INT_34XX_GPIO_BANK3, IH_GPIO_BASE + 64, - METHOD_GPIO_24XX }, - { OMAP34XX_GPIO4_BASE, NULL, INT_34XX_GPIO_BANK4, IH_GPIO_BASE + 96, - METHOD_GPIO_24XX }, - { OMAP34XX_GPIO5_BASE, NULL, INT_34XX_GPIO_BANK5, IH_GPIO_BASE + 128, - METHOD_GPIO_24XX }, - { OMAP34XX_GPIO6_BASE, NULL, INT_34XX_GPIO_BANK6, IH_GPIO_BASE + 160, - METHOD_GPIO_24XX }, -}; - struct omap3_gpio_regs { - u32 sysconfig; u32 irqenable1; u32 irqenable2; u32 wake_en; @@ -318,26 +179,16 @@ struct omap3_gpio_regs { static struct omap3_gpio_regs gpio_context[OMAP34XX_NR_GPIOS]; #endif -#ifdef CONFIG_ARCH_OMAP4 -static struct gpio_bank gpio_bank_44xx[6] = { - { OMAP44XX_GPIO1_BASE, NULL, OMAP44XX_IRQ_GPIO1, IH_GPIO_BASE, - METHOD_GPIO_44XX }, - { OMAP44XX_GPIO2_BASE, NULL, OMAP44XX_IRQ_GPIO2, IH_GPIO_BASE + 32, - METHOD_GPIO_44XX }, - { OMAP44XX_GPIO3_BASE, NULL, OMAP44XX_IRQ_GPIO3, IH_GPIO_BASE + 64, - METHOD_GPIO_44XX }, - { OMAP44XX_GPIO4_BASE, NULL, OMAP44XX_IRQ_GPIO4, IH_GPIO_BASE + 96, - METHOD_GPIO_44XX }, - { OMAP44XX_GPIO5_BASE, NULL, OMAP44XX_IRQ_GPIO5, IH_GPIO_BASE + 128, - METHOD_GPIO_44XX }, - { OMAP44XX_GPIO6_BASE, NULL, OMAP44XX_IRQ_GPIO6, IH_GPIO_BASE + 160, - METHOD_GPIO_44XX }, -}; +/* + * TODO: Cleanup gpio_bank usage as it is having information + * related to all instances of the device + */ +static struct gpio_bank *gpio_bank; -#endif +static int bank_width; -static struct gpio_bank *gpio_bank; -static int gpio_bank_count; +/* TODO: Analyze removing gpio_bank_count usage from driver code */ +int gpio_bank_count; static inline struct gpio_bank *get_gpio_bank(int gpio) { @@ -417,7 +268,7 @@ static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input) switch (bank->method) { #ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: - reg += OMAP_MPUIO_IO_CNTL; + reg += OMAP_MPUIO_IO_CNTL / bank->stride; break; #endif #ifdef CONFIG_ARCH_OMAP15XX @@ -465,7 +316,7 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable) switch (bank->method) { #ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: - reg += OMAP_MPUIO_OUTPUT; + reg += OMAP_MPUIO_OUTPUT / bank->stride; l = __raw_readl(reg); if (enable) l |= 1 << gpio; @@ -537,7 +388,7 @@ static int _get_gpio_datain(struct gpio_bank *bank, int gpio) switch (bank->method) { #ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: - reg += OMAP_MPUIO_INPUT_LATCH; + reg += OMAP_MPUIO_INPUT_LATCH / bank->stride; break; #endif #ifdef CONFIG_ARCH_OMAP15XX @@ -583,7 +434,7 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio) switch (bank->method) { #ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: - reg += OMAP_MPUIO_OUTPUT; + reg += OMAP_MPUIO_OUTPUT / bank->stride; break; #endif #ifdef CONFIG_ARCH_OMAP15XX @@ -642,6 +493,9 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, u32 val; u32 l; + if (!bank->dbck_flag) + return; + if (debounce < 32) debounce = 0x01; else if (debounce > 7936) @@ -651,7 +505,7 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, l = 1 << get_gpio_index(gpio); - if (cpu_is_omap44xx()) + if (bank->method == METHOD_GPIO_44XX) reg += OMAP4_GPIO_DEBOUNCINGTIME; else reg += OMAP24XX_GPIO_DEBOUNCE_VAL; @@ -659,7 +513,7 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, __raw_writel(debounce, reg); reg = bank->base; - if (cpu_is_omap44xx()) + if (bank->method == METHOD_GPIO_44XX) reg += OMAP4_GPIO_DEBOUNCENABLE; else reg += OMAP24XX_GPIO_DEBOUNCE_EN; @@ -668,12 +522,10 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, if (debounce) { val |= l; - if (cpu_is_omap34xx() || cpu_is_omap44xx()) - clk_enable(bank->dbck); + clk_enable(bank->dbck); } else { val &= ~l; - if (cpu_is_omap34xx() || cpu_is_omap44xx()) - clk_disable(bank->dbck); + clk_disable(bank->dbck); } bank->dbck_enable_mask = val; @@ -769,7 +621,7 @@ static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio) switch (bank->method) { case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_INT_EDGE; + reg += OMAP_MPUIO_GPIO_INT_EDGE / bank->stride; break; #ifdef CONFIG_ARCH_OMAP15XX case METHOD_GPIO_1510: @@ -803,7 +655,7 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger) switch (bank->method) { #ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_INT_EDGE; + reg += OMAP_MPUIO_GPIO_INT_EDGE / bank->stride; l = __raw_readl(reg); if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH) bank->toggle_mask |= 1 << gpio; @@ -989,7 +841,7 @@ static u32 _get_gpio_irqbank_mask(struct gpio_bank *bank) switch (bank->method) { #ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_MASKIT; + reg += OMAP_MPUIO_GPIO_MASKIT / bank->stride; mask = 0xffff; inv = 1; break; @@ -1046,7 +898,7 @@ static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask, int enab switch (bank->method) { #ifdef CONFIG_ARCH_OMAP1 case METHOD_MPUIO: - reg += OMAP_MPUIO_GPIO_MASKIT; + reg += OMAP_MPUIO_GPIO_MASKIT / bank->stride; l = __raw_readl(reg); if (enable) l &= ~(gpio_mask); @@ -1296,7 +1148,8 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc) bank = get_irq_data(irq); #ifdef CONFIG_ARCH_OMAP1 if (bank->method == METHOD_MPUIO) - isr_reg = bank->base + OMAP_MPUIO_GPIO_INT; + isr_reg = bank->base + + OMAP_MPUIO_GPIO_INT / bank->stride; #endif #ifdef CONFIG_ARCH_OMAP15XX if (bank->method == METHOD_GPIO_1510) @@ -1494,7 +1347,8 @@ static int omap_mpuio_suspend_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct gpio_bank *bank = platform_get_drvdata(pdev); - void __iomem *mask_reg = bank->base + OMAP_MPUIO_GPIO_MASKIT; + void __iomem *mask_reg = bank->base + + OMAP_MPUIO_GPIO_MASKIT / bank->stride; unsigned long flags; spin_lock_irqsave(&bank->lock, flags); @@ -1509,7 +1363,8 @@ static int omap_mpuio_resume_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct gpio_bank *bank = platform_get_drvdata(pdev); - void __iomem *mask_reg = bank->base + OMAP_MPUIO_GPIO_MASKIT; + void __iomem *mask_reg = bank->base + + OMAP_MPUIO_GPIO_MASKIT / bank->stride; unsigned long flags; spin_lock_irqsave(&bank->lock, flags); @@ -1545,7 +1400,8 @@ static struct platform_device omap_mpuio_device = { static inline void mpuio_init(void) { - platform_set_drvdata(&omap_mpuio_device, &gpio_bank_1610[0]); + struct gpio_bank *bank = get_gpio_bank(OMAP_MPUIO(0)); + platform_set_drvdata(&omap_mpuio_device, bank); if (platform_driver_register(&omap_mpuio_driver) == 0) (void) platform_device_register(&omap_mpuio_device); @@ -1588,7 +1444,7 @@ static int gpio_is_input(struct gpio_bank *bank, int mask) switch (bank->method) { case METHOD_MPUIO: - reg += OMAP_MPUIO_IO_CNTL; + reg += OMAP_MPUIO_IO_CNTL / bank->stride; break; case METHOD_GPIO_1510: reg += OMAP1510_GPIO_DIR_CONTROL; @@ -1650,6 +1506,13 @@ static int gpio_debounce(struct gpio_chip *chip, unsigned offset, unsigned long flags; bank = container_of(chip, struct gpio_bank, chip); + + if (!bank->dbck) { + bank->dbck = clk_get(bank->dev, "dbclk"); + if (IS_ERR(bank->dbck)) + dev_err(bank->dev, "Could not get gpio dbck\n"); + } + spin_lock_irqsave(&bank->lock, flags); _set_gpio_debounce(bank, offset, debounce); spin_unlock_irqrestore(&bank->lock, flags); @@ -1678,34 +1541,16 @@ static int gpio_2irq(struct gpio_chip *chip, unsigned offset) /*---------------------------------------------------------------------*/ -static int initialized; -#if defined(CONFIG_ARCH_OMAP1) || defined(CONFIG_ARCH_OMAP2) -static struct clk * gpio_ick; -#endif - -#if defined(CONFIG_ARCH_OMAP2) -static struct clk * gpio_fck; -#endif - -#if defined(CONFIG_ARCH_OMAP2430) -static struct clk * gpio5_ick; -static struct clk * gpio5_fck; -#endif - -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) -static struct clk *gpio_iclks[OMAP34XX_NR_GPIOS]; -#endif - -static void __init omap_gpio_show_rev(void) +static void __init omap_gpio_show_rev(struct gpio_bank *bank) { u32 rev; - if (cpu_is_omap16xx()) - rev = __raw_readw(gpio_bank[1].base + OMAP1610_GPIO_REVISION); + if (cpu_is_omap16xx() && !(bank->method != METHOD_MPUIO)) + rev = __raw_readw(bank->base + OMAP1610_GPIO_REVISION); else if (cpu_is_omap24xx() || cpu_is_omap34xx()) - rev = __raw_readl(gpio_bank[0].base + OMAP24XX_GPIO_REVISION); + rev = __raw_readl(bank->base + OMAP24XX_GPIO_REVISION); else if (cpu_is_omap44xx()) - rev = __raw_readl(gpio_bank[0].base + OMAP4_GPIO_REVISION); + rev = __raw_readl(bank->base + OMAP4_GPIO_REVISION); else return; @@ -1718,250 +1563,190 @@ static void __init omap_gpio_show_rev(void) */ static struct lock_class_key gpio_lock_class; -static int __init _omap_gpio_init(void) +static inline int init_gpio_info(struct platform_device *pdev) { - int i; - int gpio = 0; - struct gpio_bank *bank; - int bank_size = SZ_8K; /* Module 4KB + L4 4KB except on omap1 */ - char clk_name[11]; - - initialized = 1; - -#if defined(CONFIG_ARCH_OMAP1) - if (cpu_is_omap15xx()) { - gpio_ick = clk_get(NULL, "arm_gpio_ck"); - if (IS_ERR(gpio_ick)) - printk("Could not get arm_gpio_ck\n"); - else - clk_enable(gpio_ick); + /* TODO: Analyze removing gpio_bank_count usage from driver code */ + gpio_bank = kzalloc(gpio_bank_count * sizeof(struct gpio_bank), + GFP_KERNEL); + if (!gpio_bank) { + dev_err(&pdev->dev, "Memory alloc failed for gpio_bank\n"); + return -ENOMEM; } -#endif -#if defined(CONFIG_ARCH_OMAP2) - if (cpu_class_is_omap2()) { - gpio_ick = clk_get(NULL, "gpios_ick"); - if (IS_ERR(gpio_ick)) - printk("Could not get gpios_ick\n"); - else - clk_enable(gpio_ick); - gpio_fck = clk_get(NULL, "gpios_fck"); - if (IS_ERR(gpio_fck)) - printk("Could not get gpios_fck\n"); - else - clk_enable(gpio_fck); + return 0; +} - /* - * On 2430 & 3430 GPIO 5 uses CORE L4 ICLK - */ -#if defined(CONFIG_ARCH_OMAP2430) - if (cpu_is_omap2430()) { - gpio5_ick = clk_get(NULL, "gpio5_ick"); - if (IS_ERR(gpio5_ick)) - printk("Could not get gpio5_ick\n"); - else - clk_enable(gpio5_ick); - gpio5_fck = clk_get(NULL, "gpio5_fck"); - if (IS_ERR(gpio5_fck)) - printk("Could not get gpio5_fck\n"); - else - clk_enable(gpio5_fck); +/* TODO: Cleanup cpu_is_* checks */ +static void omap_gpio_mod_init(struct gpio_bank *bank, int id) +{ + if (cpu_class_is_omap2()) { + if (cpu_is_omap44xx()) { + __raw_writel(0xffffffff, bank->base + + OMAP4_GPIO_IRQSTATUSCLR0); + __raw_writel(0x00000000, bank->base + + OMAP4_GPIO_DEBOUNCENABLE); + /* Initialize interface clk ungated, module enabled */ + __raw_writel(0, bank->base + OMAP4_GPIO_CTRL); + } else if (cpu_is_omap34xx()) { + __raw_writel(0x00000000, bank->base + + OMAP24XX_GPIO_IRQENABLE1); + __raw_writel(0xffffffff, bank->base + + OMAP24XX_GPIO_IRQSTATUS1); + __raw_writel(0x00000000, bank->base + + OMAP24XX_GPIO_DEBOUNCE_EN); + + /* Initialize interface clk ungated, module enabled */ + __raw_writel(0, bank->base + OMAP24XX_GPIO_CTRL); + } else if (cpu_is_omap24xx()) { + static const u32 non_wakeup_gpios[] = { + 0xe203ffc0, 0x08700040 + }; + if (id < ARRAY_SIZE(non_wakeup_gpios)) + bank->non_wakeup_gpios = non_wakeup_gpios[id]; } -#endif - } -#endif + } else if (cpu_class_is_omap1()) { + if (bank_is_mpuio(bank)) + __raw_writew(0xffff, bank->base + + OMAP_MPUIO_GPIO_MASKIT / bank->stride); + if (cpu_is_omap15xx() && bank->method == METHOD_GPIO_1510) { + __raw_writew(0xffff, bank->base + + OMAP1510_GPIO_INT_MASK); + __raw_writew(0x0000, bank->base + + OMAP1510_GPIO_INT_STATUS); + } + if (cpu_is_omap16xx() && bank->method == METHOD_GPIO_1610) { + __raw_writew(0x0000, bank->base + + OMAP1610_GPIO_IRQENABLE1); + __raw_writew(0xffff, bank->base + + OMAP1610_GPIO_IRQSTATUS1); + __raw_writew(0x0014, bank->base + + OMAP1610_GPIO_SYSCONFIG); -#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) - if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - for (i = 0; i < OMAP34XX_NR_GPIOS; i++) { - sprintf(clk_name, "gpio%d_ick", i + 1); - gpio_iclks[i] = clk_get(NULL, clk_name); - if (IS_ERR(gpio_iclks[i])) - printk(KERN_ERR "Could not get %s\n", clk_name); - else - clk_enable(gpio_iclks[i]); + /* + * Enable system clock for GPIO module. + * The CAM_CLK_CTRL *is* really the right place. + */ + omap_writel(omap_readl(ULPD_CAM_CLK_CTRL) | 0x04, + ULPD_CAM_CLK_CTRL); + } + if (cpu_is_omap7xx() && bank->method == METHOD_GPIO_7XX) { + __raw_writel(0xffffffff, bank->base + + OMAP7XX_GPIO_INT_MASK); + __raw_writel(0x00000000, bank->base + + OMAP7XX_GPIO_INT_STATUS); } } -#endif +} +static void __init omap_gpio_chip_init(struct gpio_bank *bank) +{ + int j; + static int gpio; -#ifdef CONFIG_ARCH_OMAP15XX - if (cpu_is_omap15xx()) { - gpio_bank_count = 2; - gpio_bank = gpio_bank_1510; - bank_size = SZ_2K; - } -#endif -#if defined(CONFIG_ARCH_OMAP16XX) - if (cpu_is_omap16xx()) { - gpio_bank_count = 5; - gpio_bank = gpio_bank_1610; - bank_size = SZ_2K; - } -#endif -#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850) - if (cpu_is_omap7xx()) { - gpio_bank_count = 7; - gpio_bank = gpio_bank_7xx; - bank_size = SZ_2K; - } -#endif -#ifdef CONFIG_ARCH_OMAP2 - if (cpu_is_omap242x()) { - gpio_bank_count = 4; - gpio_bank = gpio_bank_242x; - } - if (cpu_is_omap243x()) { - gpio_bank_count = 5; - gpio_bank = gpio_bank_243x; - } + bank->mod_usage = 0; + /* + * REVISIT eventually switch from OMAP-specific gpio structs + * over to the generic ones + */ + bank->chip.request = omap_gpio_request; + bank->chip.free = omap_gpio_free; + bank->chip.direction_input = gpio_input; + bank->chip.get = gpio_get; + bank->chip.direction_output = gpio_output; + bank->chip.set_debounce = gpio_debounce; + bank->chip.set = gpio_set; + bank->chip.to_irq = gpio_2irq; + if (bank_is_mpuio(bank)) { + bank->chip.label = "mpuio"; +#ifdef CONFIG_ARCH_OMAP16XX + bank->chip.dev = &omap_mpuio_device.dev; #endif -#ifdef CONFIG_ARCH_OMAP3 - if (cpu_is_omap34xx()) { - gpio_bank_count = OMAP34XX_NR_GPIOS; - gpio_bank = gpio_bank_34xx; + bank->chip.base = OMAP_MPUIO(0); + } else { + bank->chip.label = "gpio"; + bank->chip.base = gpio; + gpio += bank_width; } -#endif -#ifdef CONFIG_ARCH_OMAP4 - if (cpu_is_omap44xx()) { - gpio_bank_count = OMAP34XX_NR_GPIOS; - gpio_bank = gpio_bank_44xx; + bank->chip.ngpio = bank_width; + + gpiochip_add(&bank->chip); + + for (j = bank->virtual_irq_start; + j < bank->virtual_irq_start + bank_width; j++) { + lockdep_set_class(&irq_desc[j].lock, &gpio_lock_class); + set_irq_chip_data(j, bank); + if (bank_is_mpuio(bank)) + set_irq_chip(j, &mpuio_irq_chip); + else + set_irq_chip(j, &gpio_irq_chip); + set_irq_handler(j, handle_simple_irq); + set_irq_flags(j, IRQF_VALID); } -#endif - for (i = 0; i < gpio_bank_count; i++) { - int j, gpio_count = 16; + set_irq_chained_handler(bank->irq, gpio_irq_handler); + set_irq_data(bank->irq, bank); +} - bank = &gpio_bank[i]; - spin_lock_init(&bank->lock); +static int __devinit omap_gpio_probe(struct platform_device *pdev) +{ + static int gpio_init_done; + struct omap_gpio_platform_data *pdata; + struct resource *res; + int id; + struct gpio_bank *bank; - /* Static mapping, never released */ - bank->base = ioremap(bank->pbase, bank_size); - if (!bank->base) { - printk(KERN_ERR "Could not ioremap gpio bank%i\n", i); - continue; - } + if (!pdev->dev.platform_data) + return -EINVAL; - if (bank_is_mpuio(bank)) - __raw_writew(0xffff, bank->base + OMAP_MPUIO_GPIO_MASKIT); - if (cpu_is_omap15xx() && bank->method == METHOD_GPIO_1510) { - __raw_writew(0xffff, bank->base + OMAP1510_GPIO_INT_MASK); - __raw_writew(0x0000, bank->base + OMAP1510_GPIO_INT_STATUS); - } - if (cpu_is_omap16xx() && bank->method == METHOD_GPIO_1610) { - __raw_writew(0x0000, bank->base + OMAP1610_GPIO_IRQENABLE1); - __raw_writew(0xffff, bank->base + OMAP1610_GPIO_IRQSTATUS1); - __raw_writew(0x0014, bank->base + OMAP1610_GPIO_SYSCONFIG); - } - if (cpu_is_omap7xx() && bank->method == METHOD_GPIO_7XX) { - __raw_writel(0xffffffff, bank->base + OMAP7XX_GPIO_INT_MASK); - __raw_writel(0x00000000, bank->base + OMAP7XX_GPIO_INT_STATUS); + pdata = pdev->dev.platform_data; - gpio_count = 32; /* 7xx has 32-bit GPIOs */ - } + if (!gpio_init_done) { + int ret; -#ifdef CONFIG_ARCH_OMAP2PLUS - if ((bank->method == METHOD_GPIO_24XX) || - (bank->method == METHOD_GPIO_44XX)) { - static const u32 non_wakeup_gpios[] = { - 0xe203ffc0, 0x08700040 - }; + ret = init_gpio_info(pdev); + if (ret) + return ret; + } - if (cpu_is_omap44xx()) { - __raw_writel(0xffffffff, bank->base + - OMAP4_GPIO_IRQSTATUSCLR0); - __raw_writew(0x0015, bank->base + - OMAP4_GPIO_SYSCONFIG); - __raw_writel(0x00000000, bank->base + - OMAP4_GPIO_DEBOUNCENABLE); - /* - * Initialize interface clock ungated, - * module enabled - */ - __raw_writel(0, bank->base + OMAP4_GPIO_CTRL); - } else { - __raw_writel(0x00000000, bank->base + - OMAP24XX_GPIO_IRQENABLE1); - __raw_writel(0xffffffff, bank->base + - OMAP24XX_GPIO_IRQSTATUS1); - __raw_writew(0x0015, bank->base + - OMAP24XX_GPIO_SYSCONFIG); - __raw_writel(0x00000000, bank->base + - OMAP24XX_GPIO_DEBOUNCE_EN); - - /* - * Initialize interface clock ungated, - * module enabled - */ - __raw_writel(0, bank->base + - OMAP24XX_GPIO_CTRL); - } - if (cpu_is_omap24xx() && - i < ARRAY_SIZE(non_wakeup_gpios)) - bank->non_wakeup_gpios = non_wakeup_gpios[i]; - gpio_count = 32; - } -#endif + id = pdev->id; + bank = &gpio_bank[id]; - bank->mod_usage = 0; - /* REVISIT eventually switch from OMAP-specific gpio structs - * over to the generic ones - */ - bank->chip.request = omap_gpio_request; - bank->chip.free = omap_gpio_free; - bank->chip.direction_input = gpio_input; - bank->chip.get = gpio_get; - bank->chip.direction_output = gpio_output; - bank->chip.set_debounce = gpio_debounce; - bank->chip.set = gpio_set; - bank->chip.to_irq = gpio_2irq; - if (bank_is_mpuio(bank)) { - bank->chip.label = "mpuio"; -#ifdef CONFIG_ARCH_OMAP16XX - bank->chip.dev = &omap_mpuio_device.dev; -#endif - bank->chip.base = OMAP_MPUIO(0); - } else { - bank->chip.label = "gpio"; - bank->chip.base = gpio; - gpio += gpio_count; - } - bank->chip.ngpio = gpio_count; + res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + if (unlikely(!res)) { + dev_err(&pdev->dev, "GPIO Bank %i Invalid IRQ resource\n", id); + return -ENODEV; + } - gpiochip_add(&bank->chip); + bank->irq = res->start; + bank->virtual_irq_start = pdata->virtual_irq_start; + bank->method = pdata->bank_type; + bank->dev = &pdev->dev; + bank->dbck_flag = pdata->dbck_flag; + bank->stride = pdata->bank_stride; + bank_width = pdata->bank_width; - for (j = bank->virtual_irq_start; - j < bank->virtual_irq_start + gpio_count; j++) { - lockdep_set_class(&irq_desc[j].lock, &gpio_lock_class); - set_irq_chip_data(j, bank); - if (bank_is_mpuio(bank)) - set_irq_chip(j, &mpuio_irq_chip); - else - set_irq_chip(j, &gpio_irq_chip); - set_irq_handler(j, handle_simple_irq); - set_irq_flags(j, IRQF_VALID); - } - set_irq_chained_handler(bank->irq, gpio_irq_handler); - set_irq_data(bank->irq, bank); - - if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - sprintf(clk_name, "gpio%d_dbck", i + 1); - bank->dbck = clk_get(NULL, clk_name); - if (IS_ERR(bank->dbck)) - printk(KERN_ERR "Could not get %s\n", clk_name); - } + spin_lock_init(&bank->lock); + + /* Static mapping, never released */ + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (unlikely(!res)) { + dev_err(&pdev->dev, "GPIO Bank %i Invalid mem resource\n", id); + return -ENODEV; + } + + bank->base = ioremap(res->start, resource_size(res)); + if (!bank->base) { + dev_err(&pdev->dev, "Could not ioremap gpio bank%i\n", id); + return -ENOMEM; } - /* Enable system clock for GPIO module. - * The CAM_CLK_CTRL *is* really the right place. */ - if (cpu_is_omap16xx()) - omap_writel(omap_readl(ULPD_CAM_CLK_CTRL) | 0x04, ULPD_CAM_CLK_CTRL); + pm_runtime_enable(bank->dev); + pm_runtime_get_sync(bank->dev); - /* Enable autoidle for the OCP interface */ - if (cpu_is_omap24xx()) - omap_writel(1 << 0, 0x48019010); - if (cpu_is_omap34xx()) - omap_writel(1 << 0, 0x48306814); + omap_gpio_mod_init(bank, id); + omap_gpio_chip_init(bank); + omap_gpio_show_rev(bank); - omap_gpio_show_rev(); + if (!gpio_init_done) + gpio_init_done = 1; return 0; } @@ -2256,8 +2041,6 @@ void omap_gpio_save_context(void) /* saving banks from 2-6 only since GPIO1 is in WKUP */ for (i = 1; i < gpio_bank_count; i++) { struct gpio_bank *bank = &gpio_bank[i]; - gpio_context[i].sysconfig = - __raw_readl(bank->base + OMAP24XX_GPIO_SYSCONFIG); gpio_context[i].irqenable1 = __raw_readl(bank->base + OMAP24XX_GPIO_IRQENABLE1); gpio_context[i].irqenable2 = @@ -2288,8 +2071,6 @@ void omap_gpio_restore_context(void) for (i = 1; i < gpio_bank_count; i++) { struct gpio_bank *bank = &gpio_bank[i]; - __raw_writel(gpio_context[i].sysconfig, - bank->base + OMAP24XX_GPIO_SYSCONFIG); __raw_writel(gpio_context[i].irqenable1, bank->base + OMAP24XX_GPIO_IRQENABLE1); __raw_writel(gpio_context[i].irqenable2, @@ -2314,25 +2095,28 @@ void omap_gpio_restore_context(void) } #endif +static struct platform_driver omap_gpio_driver = { + .probe = omap_gpio_probe, + .driver = { + .name = "omap_gpio", + }, +}; + /* - * This may get called early from board specific init - * for boards that have interrupts routed via FPGA. + * gpio driver register needs to be done before + * machine_init functions access gpio APIs. + * Hence omap_gpio_drv_reg() is a postcore_initcall. */ -int __init omap_gpio_init(void) +static int __init omap_gpio_drv_reg(void) { - if (!initialized) - return _omap_gpio_init(); - else - return 0; + return platform_driver_register(&omap_gpio_driver); } +postcore_initcall(omap_gpio_drv_reg); static int __init omap_gpio_sysinit(void) { int ret = 0; - if (!initialized) - ret = _omap_gpio_init(); - mpuio_init(); #if defined(CONFIG_ARCH_OMAP16XX) || defined(CONFIG_ARCH_OMAP2PLUS) diff --git a/arch/arm/plat-omap/include/plat/gpio.h b/arch/arm/plat-omap/include/plat/gpio.h index de1c604962e..41ff2f8943f 100644 --- a/arch/arm/plat-omap/include/plat/gpio.h +++ b/arch/arm/plat-omap/include/plat/gpio.h @@ -27,26 +27,15 @@ #define __ASM_ARCH_OMAP_GPIO_H #include <linux/io.h> +#include <linux/platform_device.h> #include <mach/irqs.h> #define OMAP1_MPUIO_BASE 0xfffb5000 -#if (defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)) - -#define OMAP_MPUIO_INPUT_LATCH 0x00 -#define OMAP_MPUIO_OUTPUT 0x02 -#define OMAP_MPUIO_IO_CNTL 0x04 -#define OMAP_MPUIO_KBR_LATCH 0x08 -#define OMAP_MPUIO_KBC 0x0a -#define OMAP_MPUIO_GPIO_EVENT_MODE 0x0c -#define OMAP_MPUIO_GPIO_INT_EDGE 0x0e -#define OMAP_MPUIO_KBD_INT 0x10 -#define OMAP_MPUIO_GPIO_INT 0x12 -#define OMAP_MPUIO_KBD_MASKIT 0x14 -#define OMAP_MPUIO_GPIO_MASKIT 0x16 -#define OMAP_MPUIO_GPIO_DEBOUNCING 0x18 -#define OMAP_MPUIO_LATCH 0x1a -#else +/* + * These are the omap15xx/16xx offsets. The omap7xx offset are + * OMAP_MPUIO_ / 2 offsets below. + */ #define OMAP_MPUIO_INPUT_LATCH 0x00 #define OMAP_MPUIO_OUTPUT 0x04 #define OMAP_MPUIO_IO_CNTL 0x08 @@ -60,7 +49,6 @@ #define OMAP_MPUIO_GPIO_MASKIT 0x2c #define OMAP_MPUIO_GPIO_DEBOUNCING 0x30 #define OMAP_MPUIO_LATCH 0x34 -#endif #define OMAP34XX_NR_GPIOS 6 @@ -71,7 +59,29 @@ IH_MPUIO_BASE + ((nr) & 0x0f) : \ IH_GPIO_BASE + (nr)) -extern int omap_gpio_init(void); /* Call from board init only */ +#define METHOD_MPUIO 0 +#define METHOD_GPIO_1510 1 +#define METHOD_GPIO_1610 2 +#define METHOD_GPIO_7XX 3 +#define METHOD_GPIO_24XX 5 +#define METHOD_GPIO_44XX 6 + +struct omap_gpio_dev_attr { + int bank_width; /* GPIO bank width */ + bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ +}; + +struct omap_gpio_platform_data { + u16 virtual_irq_start; + int bank_type; + int bank_width; /* GPIO bank width */ + int bank_stride; /* Only needed for omap1 MPUIO */ + bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ +}; + +/* TODO: Analyze removing gpio_bank_count usage from driver code */ +extern int gpio_bank_count; + extern void omap2_gpio_prepare_for_idle(int power_state); extern void omap2_gpio_resume_after_idle(void); extern void omap_set_gpio_debounce(int gpio, int enable); |