diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-pxa/poodle.c | 89 |
1 files changed, 71 insertions, 18 deletions
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 8972dccab5cf..00f0c897e5f8 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -20,6 +20,7 @@ #include <linux/fb.h> #include <linux/pm.h> #include <linux/delay.h> +#include <linux/gpio.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -208,19 +209,51 @@ static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, /* setup GPIO for PXA25x MMC controller */ pxa_gpio_mode(GPIO6_MMCCLK_MD); pxa_gpio_mode(GPIO8_MMCCS0_MD); - pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN); - pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN); - pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT); - pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT); + + err = gpio_request(POODLE_GPIO_nSD_DETECT, "nSD_DETECT"); + if (err) + goto err_out; + + err = gpio_request(POODLE_GPIO_nSD_WP, "nSD_WP"); + if (err) + goto err_free_1; + + err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR"); + if (err) + goto err_free_2; + + err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1"); + if (err) + goto err_free_3; + + gpio_direction_input(POODLE_GPIO_nSD_DETECT); + gpio_direction_input(POODLE_GPIO_nSD_WP); + + gpio_direction_output(POODLE_GPIO_SD_PWR, 0); + gpio_direction_output(POODLE_GPIO_SD_PWR1, 0); poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "MMC card detect", data); - if (err) - printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); + if (err) { + pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n", + __func__); + goto err_free_4; + } + + return 0; +err_free_4: + gpio_free(POODLE_GPIO_SD_PWR1); +err_free_3: + gpio_free(POODLE_GPIO_SD_PWR); +err_free_2: + gpio_free(POODLE_GPIO_nSD_WP); +err_free_1: + gpio_free(POODLE_GPIO_nSD_DETECT); +err_out: return err; } @@ -228,18 +261,19 @@ static void poodle_mci_setpower(struct device *dev, unsigned int vdd) { struct pxamci_platform_data* p_d = dev->platform_data; - if (( 1 << vdd) & p_d->ocr_mask) { - GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR); + if ((1 << vdd) & p_d->ocr_mask) { + gpio_set_value(POODLE_GPIO_SD_PWR, 1); mdelay(2); - GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1); + gpio_set_value(POODLE_GPIO_SD_PWR1, 1); } else { - GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1); - GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR); + gpio_set_value(POODLE_GPIO_SD_PWR1, 0); + gpio_set_value(POODLE_GPIO_SD_PWR, 0); } } static int poodle_mci_get_ro(struct device *dev) { + return !!gpio_get_value(POODLE_GPIO_nSD_WP); return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP); } @@ -247,6 +281,10 @@ static int poodle_mci_get_ro(struct device *dev) static void poodle_mci_exit(struct device *dev, void *data) { free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); + gpio_free(POODLE_GPIO_SD_PWR1); + gpio_free(POODLE_GPIO_SD_PWR); + gpio_free(POODLE_GPIO_nSD_WP); + gpio_free(POODLE_GPIO_nSD_DETECT); } static struct pxamci_platform_data poodle_mci_platform_data = { @@ -263,17 +301,32 @@ static struct pxamci_platform_data poodle_mci_platform_data = { */ static void poodle_irda_transceiver_mode(struct device *dev, int mode) { - if (mode & IR_OFF) { - GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); - } else { - GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON); - } + gpio_set_value(POODLE_GPIO_IR_ON, mode & IR_OFF); pxa2xx_transceiver_mode(dev, mode); } +static int poodle_irda_startup(struct device *dev) +{ + int err; + + err = gpio_request(POODLE_GPIO_IR_ON, "IR_ON"); + if (err) + return err; + + gpio_direction_output(POODLE_GPIO_IR_ON, 1); + return 0; +} + +static void poodle_irda_shutdown(struct device *dev) +{ + gpio_free(POODLE_GPIO_IR_ON); +} + static struct pxaficp_platform_data poodle_ficp_platform_data = { - .transceiver_cap = IR_SIRMODE | IR_OFF, - .transceiver_mode = poodle_irda_transceiver_mode, + .transceiver_cap = IR_SIRMODE | IR_OFF, + .transceiver_mode = poodle_irda_transceiver_mode, + .startup = poodle_irda_startup, + .shutdown = poodle_irda_shutdown, }; |