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Diffstat (limited to 'arch/arm/mach-pxa/poodle.c')
-rw-r--r--arch/arm/mach-pxa/poodle.c89
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,
};