diff options
Diffstat (limited to 'arch/arm/mach-pxa/littleton.c')
-rw-r--r-- | arch/arm/mach-pxa/littleton.c | 82 |
1 files changed, 65 insertions, 17 deletions
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c index c872b9f..55b3788 100644 --- a/arch/arm/mach-pxa/littleton.c +++ b/arch/arm/mach-pxa/littleton.c @@ -42,14 +42,17 @@ #include <mach/pxa300.h> #include <mach/pxafb.h> #include <mach/ssp.h> +#include <mach/mmc.h> #include <mach/pxa2xx_spi.h> -#include <mach/i2c.h> +#include <plat/i2c.h> #include <mach/pxa27x_keypad.h> #include <mach/pxa3xx_nand.h> #include <mach/littleton.h> #include "generic.h" +#define GPIO_MMC1_CARD_DETECT mfp_to_gpio(MFP_PIN_GPIO15) + /* Littleton MFP configurations */ static mfp_cfg_t littleton_mfp_cfg[] __initdata = { /* LCD */ @@ -98,6 +101,15 @@ static mfp_cfg_t littleton_mfp_cfg[] __initdata = { GPIO123_KP_MKOUT_2, GPIO124_KP_MKOUT_3, GPIO125_KP_MKOUT_4, + + /* MMC1 */ + GPIO3_MMC1_DAT0, + GPIO4_MMC1_DAT1, + GPIO5_MMC1_DAT2, + GPIO6_MMC1_DAT3, + GPIO7_MMC1_CLK, + GPIO8_MMC1_CMD, + GPIO15_GPIO, /* card detect */ }; static struct resource smc91x_resources[] = { @@ -179,15 +191,10 @@ static struct pxa2xx_spi_master littleton_spi_info = { .num_chipselect = 1, }; -static void littleton_tdo24m_cs(u32 cmd) -{ - gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT)); -} - static struct pxa2xx_spi_chip littleton_tdo24m_chip = { .rx_threshold = 1, .tx_threshold = 1, - .cs_control = littleton_tdo24m_cs, + .gpio_cs = LITTLETON_GPIO_LCD_CS, }; static struct spi_board_info littleton_spi_devices[] __initdata = { @@ -202,16 +209,6 @@ static struct spi_board_info littleton_spi_devices[] __initdata = { static void __init littleton_init_spi(void) { - int err; - - err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS"); - if (err) { - pr_warning("failed to request GPIO for LCS CS\n"); - return; - } - - gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1); - pxa2xx_set_spi_info(2, &littleton_spi_info); spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices)); } @@ -267,6 +264,56 @@ static void __init littleton_init_keypad(void) static inline void littleton_init_keypad(void) {} #endif +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +static int littleton_mci_init(struct device *dev, + irq_handler_t littleton_detect_int, void *data) +{ + int err, gpio_cd = GPIO_MMC1_CARD_DETECT; + + err = gpio_request(gpio_cd, "mmc card detect"); + if (err) + goto err_request_cd; + + gpio_direction_input(gpio_cd); + + err = request_irq(gpio_to_irq(gpio_cd), littleton_detect_int, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "mmc card detect", data); + if (err) { + dev_err(dev, "failed to request card detect IRQ\n"); + goto err_request_irq; + } + return 0; + +err_request_irq: + gpio_free(gpio_cd); +err_request_cd: + return err; +} + +static void littleton_mci_exit(struct device *dev, void *data) +{ + int gpio_cd = GPIO_MMC1_CARD_DETECT; + + free_irq(gpio_to_irq(gpio_cd), data); + gpio_free(gpio_cd); +} + +static struct pxamci_platform_data littleton_mci_platform_data = { + .detect_delay = 20, + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .init = littleton_mci_init, + .exit = littleton_mci_exit, +}; + +static void __init littleton_init_mmc(void) +{ + pxa_set_mci_info(&littleton_mci_platform_data); +} +#else +static inline void littleton_init_mmc(void) {} +#endif + #if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE) static struct mtd_partition littleton_nand_partitions[] = { [0] = { @@ -407,6 +454,7 @@ static void __init littleton_init(void) littleton_init_spi(); littleton_init_i2c(); + littleton_init_mmc(); littleton_init_lcd(); littleton_init_keypad(); littleton_init_nand(); |