diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard.c | 117 |
1 files changed, 98 insertions, 19 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c index 34c2a1b99d4..a17f2e41160 100644 --- a/arch/arm/mach-mx3/mx31moboard.c +++ b/arch/arm/mach-mx3/mx31moboard.c @@ -16,26 +16,47 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#include <linux/types.h> +#include <linux/gpio.h> #include <linux/init.h> - -#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/memory.h> #include <linux/mtd/physmap.h> #include <linux/mtd/partitions.h> -#include <linux/memory.h> +#include <linux/platform_device.h> +#include <linux/types.h> -#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> +#include <mach/board-mx31moboard.h> #include <mach/common.h> +#include <mach/hardware.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> -#include <mach/board-mx31moboard.h> +#include <mach/i2c.h> +#include <mach/mmc.h> #include "devices.h" +static unsigned int moboard_pins[] = { + /* UART0 */ + MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, + MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, + /* UART4 */ + MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, + MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, + /* I2C0 */ + MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL, + /* I2C1 */ + MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL, + /* SDHC1 */ + MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2, + MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, + MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, + MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27, +}; + static struct physmap_flash_data mx31moboard_flash_data = { .width = 2, }; @@ -60,17 +81,69 @@ static struct imxuart_platform_data uart_pdata = { .flags = IMXUART_HAVE_RTSCTS, }; -static struct platform_device *devices[] __initdata = { - &mx31moboard_flash, +static struct imxi2c_platform_data moboard_i2c0_pdata = { + .bitrate = 400000, }; -static int mxc_uart0_pins[] = { - MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, - MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, +static struct imxi2c_platform_data moboard_i2c1_pdata = { + .bitrate = 100000, }; -static int mxc_uart4_pins[] = { - MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, - MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, + +#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0) +#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1) + +static int moboard_sdhc1_get_ro(struct device *dev) +{ + return gpio_get_value(SDHC1_WP); +} + +static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq, + void *data) +{ + int ret; + + ret = gpio_request(SDHC1_CD, "sdhc-detect"); + if (ret) + return ret; + + gpio_direction_input(SDHC1_CD); + + ret = gpio_request(SDHC1_WP, "sdhc-wp"); + if (ret) + goto err_gpio_free; + gpio_direction_input(SDHC1_WP); + + ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "sdhc1-card-detect", data); + if (ret) + goto err_gpio_free_2; + + return 0; + +err_gpio_free_2: + gpio_free(SDHC1_WP); +err_gpio_free: + gpio_free(SDHC1_CD); + + return ret; +} + +static void moboard_sdhc1_exit(struct device *dev, void *data) +{ + free_irq(gpio_to_irq(SDHC1_CD), data); + gpio_free(SDHC1_WP); + gpio_free(SDHC1_CD); +} + +static struct imxmmc_platform_data sdhc1_pdata = { + .get_ro = moboard_sdhc1_get_ro, + .init = moboard_sdhc1_init, + .exit = moboard_sdhc1_exit, +}; + +static struct platform_device *devices[] __initdata = { + &mx31moboard_flash, }; static int mx31moboard_baseboard; @@ -81,14 +154,19 @@ core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); */ static void __init mxc_board_init(void) { + mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins), + "moboard"); + platform_add_devices(devices, ARRAY_SIZE(devices)); - mxc_iomux_setup_multiple_pins(mxc_uart0_pins, ARRAY_SIZE(mxc_uart0_pins), "uart0"); mxc_register_device(&mxc_uart_device0, &uart_pdata); - - mxc_iomux_setup_multiple_pins(mxc_uart4_pins, ARRAY_SIZE(mxc_uart4_pins), "uart4"); mxc_register_device(&mxc_uart_device4, &uart_pdata); + mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata); + mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata); + + mxc_register_device(&mxcsdhc_device0, &sdhc1_pdata); + switch (mx31moboard_baseboard) { case MX31NOBOARD: break; @@ -99,7 +177,8 @@ static void __init mxc_board_init(void) mx31moboard_marxbot_init(); break; default: - printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", mx31moboard_baseboard); + printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", + mx31moboard_baseboard); } } @@ -117,7 +196,7 @@ MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") .phys_io = AIPS1_BASE_ADDR, .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, .boot_params = PHYS_OFFSET + 0x100, - .map_io = mxc_map_io, + .map_io = mx31_map_io, .init_irq = mxc_init_irq, .init_machine = mxc_board_init, .timer = &mx31moboard_timer, |