diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-ldp.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-ldp.c | 327 |
1 files changed, 152 insertions, 175 deletions
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index 001fd9713f3..44a59c3abfb 100644 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -10,7 +10,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - +#include <linux/gpio.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> @@ -22,68 +22,37 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/spi/spi.h> -#include <linux/spi/ads7846.h> +#include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/i2c/twl.h> #include <linux/io.h> #include <linux/smsc911x.h> #include <linux/mmc/host.h> +#include <linux/usb/phy.h> +#include <linux/platform_data/spi-omap2-mcspi.h> -#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <plat/mcspi.h> -#include <mach/gpio.h> -#include <plat/board.h> -#include <plat/common.h> -#include <plat/gpmc.h> -#include <mach/board-zoom.h> +#include "common.h" +#include "gpmc.h" +#include "gpmc-smsc911x.h" -#include <asm/delay.h> -#include <plat/usb.h> +#include <video/omapdss.h> +#include <video/omap-panel-data.h> #include "board-flash.h" #include "mux.h" #include "hsmmc.h" #include "control.h" +#include "common-board-devices.h" #define LDP_SMSC911X_CS 1 #define LDP_SMSC911X_GPIO 152 #define DEBUG_BASE 0x08000000 #define LDP_ETHR_START DEBUG_BASE -static struct resource ldp_smsc911x_resources[] = { - [0] = { - .start = LDP_ETHR_START, - .end = LDP_ETHR_START + SZ_4K, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = 0, - .end = 0, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, - }, -}; - -static struct smsc911x_platform_config ldp_smsc911x_config = { - .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, - .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, - .flags = SMSC911X_USE_32BIT, - .phy_interface = PHY_INTERFACE_MODE_MII, -}; - -static struct platform_device ldp_smsc911x_device = { - .name = "smsc911x", - .id = -1, - .num_resources = ARRAY_SIZE(ldp_smsc911x_resources), - .resource = ldp_smsc911x_resources, - .dev = { - .platform_data = &ldp_smsc911x_config, - }, -}; - static uint32_t board_keymap[] = { KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), @@ -197,123 +166,103 @@ static struct platform_device ldp_gpio_keys_device = { }, }; -static int ts_gpio; +static struct omap_smsc911x_platform_data smsc911x_cfg = { + .cs = LDP_SMSC911X_CS, + .gpio_irq = LDP_SMSC911X_GPIO, + .gpio_reset = -EINVAL, + .flags = SMSC911X_USE_32BIT, +}; -/** - * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq - * - * @return - void. If request gpio fails then Flag KERN_ERR. - */ -static void ads7846_dev_init(void) +static inline void __init ldp_init_smsc911x(void) { - if (gpio_request(ts_gpio, "ads7846 irq") < 0) { - printk(KERN_ERR "can't get ads746 pen down GPIO\n"); - return; - } - - gpio_direction_input(ts_gpio); - gpio_set_debounce(ts_gpio, 310); + gpmc_smsc911x_init(&smsc911x_cfg); } -static int ads7846_get_pendown_state(void) -{ - return !gpio_get_value(ts_gpio); -} +/* LCD */ -static struct ads7846_platform_data tsc2046_config __initdata = { - .get_pendown_state = ads7846_get_pendown_state, - .keep_vref_on = 1, -}; +#define LCD_PANEL_RESET_GPIO 55 +#define LCD_PANEL_QVGA_GPIO 56 -static struct omap2_mcspi_device_config tsc2046_mcspi_config = { - .turbo_mode = 0, - .single_channel = 1, /* 0: slave, 1: master */ -}; +static const struct display_timing ldp_lcd_videomode = { + .pixelclock = { 0, 5400000, 0 }, -static struct spi_board_info ldp_spi_board_info[] __initdata = { - [0] = { - /* - * TSC2046 operates at a max freqency of 2MHz, so - * operate slightly below at 1.5MHz - */ - .modalias = "ads7846", - .bus_num = 1, - .chip_select = 0, - .max_speed_hz = 1500000, - .controller_data = &tsc2046_mcspi_config, - .irq = 0, - .platform_data = &tsc2046_config, - }, + .hactive = { 0, 240, 0 }, + .hfront_porch = { 0, 3, 0 }, + .hback_porch = { 0, 39, 0 }, + .hsync_len = { 0, 3, 0 }, + + .vactive = { 0, 320, 0 }, + .vfront_porch = { 0, 2, 0 }, + .vback_porch = { 0, 7, 0 }, + .vsync_len = { 0, 1, 0 }, + + .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW | + DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE, }; -static inline void __init ldp_init_smsc911x(void) -{ - int eth_cs; - unsigned long cs_mem_base; - int eth_gpio = 0; +static struct panel_dpi_platform_data ldp_lcd_pdata = { + .name = "lcd", + .source = "dpi.0", - eth_cs = LDP_SMSC911X_CS; + .data_lines = 18, - if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { - printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n"); - return; - } + .display_timing = &ldp_lcd_videomode, - ldp_smsc911x_resources[0].start = cs_mem_base + 0x0; - ldp_smsc911x_resources[0].end = cs_mem_base + 0xff; - udelay(100); + .enable_gpio = -1, /* filled in code */ + .backlight_gpio = -1, /* filled in code */ +}; - eth_gpio = LDP_SMSC911X_GPIO; +static struct platform_device ldp_lcd_device = { + .name = "panel-dpi", + .id = 0, + .dev.platform_data = &ldp_lcd_pdata, +}; - ldp_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio); +static struct omap_dss_board_info ldp_dss_data = { + .default_display_name = "lcd", +}; - if (gpio_request(eth_gpio, "smsc911x irq") < 0) { - printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n", - eth_gpio); +static void __init ldp_display_init(void) +{ + int r; + + static struct gpio gpios[] __initdata = { + {LCD_PANEL_RESET_GPIO, GPIOF_OUT_INIT_HIGH, "LCD RESET"}, + {LCD_PANEL_QVGA_GPIO, GPIOF_OUT_INIT_HIGH, "LCD QVGA"}, + }; + + r = gpio_request_array(gpios, ARRAY_SIZE(gpios)); + if (r) { + pr_err("Cannot request LCD GPIOs, error %d\n", r); return; } - gpio_direction_input(eth_gpio); + + omap_display_init(&ldp_dss_data); } -static struct platform_device ldp_lcd_device = { - .name = "ldp_lcd", - .id = -1, -}; +static int ldp_twl_gpio_setup(struct device *dev, unsigned gpio, unsigned ngpio) +{ + int res; -static struct omap_lcd_config ldp_lcd_config __initdata = { - .ctrl_name = "internal", -}; + /* LCD enable GPIO */ + ldp_lcd_pdata.enable_gpio = gpio + 7; -static struct omap_board_config_kernel ldp_config[] __initdata = { - { OMAP_TAG_LCD, &ldp_lcd_config }, -}; + /* Backlight enable GPIO */ + ldp_lcd_pdata.backlight_gpio = gpio + 15; -static void __init omap_ldp_init_irq(void) -{ - omap_board_config = ldp_config; - omap_board_config_size = ARRAY_SIZE(ldp_config); - omap2_init_common_hw(NULL, NULL); - omap_init_irq(); - omap_gpio_init(); - ldp_init_smsc911x(); -} + res = platform_device_register(&ldp_lcd_device); + if (res) + pr_err("Unable to register LCD: %d\n", res); -static struct twl4030_usb_data ldp_usb_data = { - .usb_mode = T2_USB_MODE_ULPI, -}; + return 0; +} static struct twl4030_gpio_platform_data ldp_gpio_data = { - .gpio_base = OMAP_MAX_GPIO_LINES, - .irq_base = TWL4030_GPIO_IRQ_BASE, - .irq_end = TWL4030_GPIO_IRQ_END, + .setup = ldp_twl_gpio_setup, }; -static struct twl4030_madc_platform_data ldp_madc_data = { - .irq_line = 1, -}; - -static struct regulator_consumer_supply ldp_vmmc1_supply = { - .supply = "vmmc", +static struct regulator_consumer_supply ldp_vmmc1_supply[] = { + REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), }; /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ @@ -327,35 +276,65 @@ static struct regulator_init_data ldp_vmmc1 = { | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, }, - .num_consumer_supplies = 1, - .consumer_supplies = &ldp_vmmc1_supply, + .num_consumer_supplies = ARRAY_SIZE(ldp_vmmc1_supply), + .consumer_supplies = ldp_vmmc1_supply, }; -static struct twl4030_platform_data ldp_twldata = { - .irq_base = TWL4030_IRQ_BASE, - .irq_end = TWL4030_IRQ_END, +/* ads7846 on SPI */ +static struct regulator_consumer_supply ldp_vaux1_supplies[] = { + REGULATOR_SUPPLY("vcc", "spi1.0"), +}; + +/* VAUX1 */ +static struct regulator_init_data ldp_vaux1 = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ldp_vaux1_supplies), + .consumer_supplies = ldp_vaux1_supplies, +}; +static struct regulator_consumer_supply ldp_vpll2_supplies[] = { + REGULATOR_SUPPLY("vdds_dsi", "omapdss"), + REGULATOR_SUPPLY("vdds_dsi", "omapdss_dpi.0"), + REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"), +}; + +static struct regulator_init_data ldp_vpll2 = { + .constraints = { + .name = "VDVI", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ldp_vpll2_supplies), + .consumer_supplies = ldp_vpll2_supplies, +}; + +static struct twl4030_platform_data ldp_twldata = { /* platform_data for children goes here */ - .madc = &ldp_madc_data, - .usb = &ldp_usb_data, .vmmc1 = &ldp_vmmc1, + .vaux1 = &ldp_vaux1, + .vpll2 = &ldp_vpll2, .gpio = &ldp_gpio_data, .keypad = &ldp_kp_twl4030_data, }; -static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = { - { - I2C_BOARD_INFO("twl4030", 0x48), - .flags = I2C_CLIENT_WAKE, - .irq = INT_34XX_SYS_NIRQ, - .platform_data = &ldp_twldata, - }, -}; - static int __init omap_i2c_init(void) { - omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo, - ARRAY_SIZE(ldp_i2c_boardinfo)); + omap3_pmic_get_config(&ldp_twldata, + TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC, 0); + omap3_pmic_init("twl4030", &ldp_twldata); omap_register_i2c_bus(2, 400, NULL, 0); omap_register_i2c_bus(3, 400, NULL, 0); return 0; @@ -372,8 +351,6 @@ static struct omap2_hsmmc_info mmc[] __initdata = { }; static struct platform_device *ldp_devices[] __initdata = { - &ldp_smsc911x_device, - &ldp_lcd_device, &ldp_gpio_keys_device, }; @@ -381,16 +358,8 @@ static struct platform_device *ldp_devices[] __initdata = { static struct omap_board_mux board_mux[] __initdata = { { .reg_offset = OMAP_MUX_TERMINATOR }, }; -#else -#define board_mux NULL #endif -static struct omap_musb_board_data musb_board_data = { - .interface_type = MUSB_INTERFACE_ULPI, - .mode = MUSB_OTG, - .power = 100, -}; - static struct mtd_partition ldp_nand_partitions[] = { /* All the partition sizes are listed in terms of NAND block size */ { @@ -423,31 +392,39 @@ static struct mtd_partition ldp_nand_partitions[] = { }; +static struct regulator_consumer_supply dummy_supplies[] = { + REGULATOR_SUPPLY("vddvario", "smsc911x.0"), + REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), +}; + static void __init omap_ldp_init(void) { + regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); 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; - ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio); - spi_register_board_info(ldp_spi_board_info, - ARRAY_SIZE(ldp_spi_board_info)); - ads7846_dev_init(); + omap_ads7846_init(1, 54, 310, NULL); omap_serial_init(); - usb_musb_init(&musb_board_data); - board_nand_init(ldp_nand_partitions, - ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS); - - omap2_hsmmc_init(mmc); - /* link regulators to MMC adapters */ - ldp_vmmc1_supply.dev = mmc[0].dev; + omap_sdrc_init(NULL, NULL); + usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb"); + usb_musb_init(NULL); + board_nand_init(ldp_nand_partitions, ARRAY_SIZE(ldp_nand_partitions), + 0, 0, nand_default_timings); + + omap_hsmmc_init(mmc); + ldp_display_init(); } MACHINE_START(OMAP_LDP, "OMAP LDP board") - .boot_params = 0x80000100, - .map_io = omap3_map_io, + .atag_offset = 0x100, .reserve = omap_reserve, - .init_irq = omap_ldp_init_irq, + .map_io = omap3_map_io, + .init_early = omap3430_init_early, + .init_irq = omap3_init_irq, + .handle_irq = omap3_intc_handle_irq, .init_machine = omap_ldp_init, - .timer = &omap_timer, + .init_late = omap3430_init_late, + .init_time = omap3_sync32k_timer_init, + .restart = omap3xxx_restart, MACHINE_END |