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authorEric Miao <eric.miao@marvell.com>2008-08-27 09:16:30 +0800
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-09-23 22:04:35 +0100
commit9d7087527f51c4eb7f30f0a9a3ad514e76bde3fd (patch)
treefe0f0d460d85fc55cd257a543a6bac957eba71c3 /arch/arm/mach-pxa/corgi.c
parent9ee40d9acf928ef561d655e78cf6c97546b8b4fc (diff)
[ARM] pxa/corgi: convert to use new GPIO API
Signed-off-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/corgi.c')
-rw-r--r--arch/arm/mach-pxa/corgi.c79
1 files changed, 61 insertions, 18 deletions
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index e703a8d209e..6aff30615b3 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -20,6 +20,7 @@
#include <linux/interrupt.h>
#include <linux/mmc/host.h>
#include <linux/pm.h>
+#include <linux/gpio.h>
#include <linux/backlight.h>
#include <video/w100fb.h>
@@ -414,17 +415,43 @@ static int corgi_mci_init(struct device *dev, irq_handler_t corgi_detect_int, vo
/* setup GPIO for PXA25x MMC controller */
pxa_gpio_mode(GPIO6_MMCCLK_MD);
pxa_gpio_mode(GPIO8_MMCCS0_MD);
- pxa_gpio_mode(CORGI_GPIO_nSD_DETECT | GPIO_IN);
- pxa_gpio_mode(CORGI_GPIO_SD_PWR | GPIO_OUT);
- corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+ err = gpio_request(CORGI_GPIO_nSD_DETECT, "nSD_DETECT");
+ if (err)
+ goto err_out;
- err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
- IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
- "MMC card detect", data);
+ err = gpio_request(CORGI_GPIO_nSD_WP, "nSD_WP");
if (err)
- printk(KERN_ERR "corgi_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+ goto err_free_1;
+
+ err = gpio_request(CORGI_GPIO_SD_PWR, "SD_PWR");
+ if (err)
+ goto err_free_2;
+
+ gpio_direction_input(CORGI_GPIO_nSD_DETECT);
+ gpio_direction_input(CORGI_GPIO_nSD_WP);
+ gpio_direction_output(CORGI_GPIO_SD_PWR, 0);
+ corgi_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+
+ err = request_irq(CORGI_IRQ_GPIO_nSD_DETECT, corgi_detect_int,
+ IRQF_DISABLED | IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING,
+ "MMC card detect", data);
+ if (err) {
+ pr_err("%s: MMC/SD: can't request MMC card detect IRQ\n",
+ __func__);
+ goto err_free_3;
+ }
+ return 0;
+
+err_free_3:
+ gpio_free(CORGI_GPIO_SD_PWR);
+err_free_2:
+ gpio_free(CORGI_GPIO_nSD_WP);
+err_free_1:
+ gpio_free(CORGI_GPIO_nSD_DETECT);
+err_out:
return err;
}
@@ -432,20 +459,20 @@ static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data* p_d = dev->platform_data;
- if (( 1 << vdd) & p_d->ocr_mask)
- GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
- else
- GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
+ gpio_set_value(CORGI_GPIO_SD_PWR, ((1 << vdd) & p_d->ocr_mask));
}
static int corgi_mci_get_ro(struct device *dev)
{
- return GPLR(CORGI_GPIO_nSD_WP) & GPIO_bit(CORGI_GPIO_nSD_WP);
+ return gpio_get_value(CORGI_GPIO_nSD_WP);
}
static void corgi_mci_exit(struct device *dev, void *data)
{
free_irq(CORGI_IRQ_GPIO_nSD_DETECT, data);
+ gpio_free(CORGI_GPIO_SD_PWR);
+ gpio_free(CORGI_GPIO_nSD_WP);
+ gpio_free(CORGI_GPIO_nSD_DETECT);
}
static struct pxamci_platform_data corgi_mci_platform_data = {
@@ -462,16 +489,32 @@ static struct pxamci_platform_data corgi_mci_platform_data = {
*/
static void corgi_irda_transceiver_mode(struct device *dev, int mode)
{
- if (mode & IR_OFF)
- GPSR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
- else
- GPCR(CORGI_GPIO_IR_ON) = GPIO_bit(CORGI_GPIO_IR_ON);
+ gpio_set_value(CORGI_GPIO_IR_ON, mode & IR_OFF);
pxa2xx_transceiver_mode(dev, mode);
}
+static int corgi_irda_startup(struct device *dev)
+{
+ int err;
+
+ err = gpio_request(CORGI_GPIO_IR_ON, "IR_ON");
+ if (err)
+ return err;
+
+ gpio_direction_output(CORGI_GPIO_IR_ON, 1);
+ return 0;
+}
+
+static void corgi_irda_shutdown(struct device *dev)
+{
+ gpio_free(CORGI_GPIO_IR_ON);
+}
+
static struct pxaficp_platform_data corgi_ficp_platform_data = {
- .transceiver_cap = IR_SIRMODE | IR_OFF,
- .transceiver_mode = corgi_irda_transceiver_mode,
+ .transceiver_cap = IR_SIRMODE | IR_OFF,
+ .transceiver_mode = corgi_irda_transceiver_mode,
+ .startup = corgi_irda_startup,
+ .shutdown = corgi_irda_shutdown,
};