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authorDmitry Baryshkov <dbaryshkov@gmail.com>2008-04-12 20:16:16 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-04-19 11:29:08 +0100
commitd4e7d09f7accd1b0d1c8f149a44deffc8c141a46 (patch)
tree66b73501e3a89ba30da34a6c08c0961f93a0ab77 /arch
parentbaf1c5d2a08c828d6333e0a37bcdf5afb3d5d003 (diff)
[ARM] 4972/1: Tosa: convert scoop GPIOs usage to generic gpio code
Convert set/reset_scoop_gpio to generic gpio calls. This patch depends on the pxaficp_ir hooks patch. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-pxa/tosa.c88
1 files changed, 63 insertions, 25 deletions
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 9f5ca5497bb..49b5b83c0e4 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -23,6 +23,7 @@
#include <linux/delay.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
+#include <linux/gpio.h>
#include <asm/setup.h>
#include <asm/memory.h>
@@ -166,8 +167,7 @@ static struct resource tosa_scoop_resources[] = {
static struct scoop_config tosa_scoop_setup = {
.io_dir = TOSA_SCOOP_IO_DIR,
- .io_out = TOSA_SCOOP_IO_OUT,
-
+ .gpio_base = TOSA_SCOOP_GPIO_BASE,
};
struct platform_device tosascoop_device = {
@@ -194,7 +194,7 @@ static struct resource tosa_scoop_jc_resources[] = {
static struct scoop_config tosa_scoop_jc_setup = {
.io_dir = TOSA_SCOOP_JC_IO_DIR,
- .io_out = TOSA_SCOOP_JC_IO_OUT,
+ .gpio_base = TOSA_SCOOP_JC_GPIO_BASE,
};
struct platform_device tosascoop_jc_device = {
@@ -232,20 +232,8 @@ static struct scoop_pcmcia_config tosa_pcmcia_config = {
/*
* USB Device Controller
*/
-static void tosa_udc_command(int cmd)
-{
- switch(cmd) {
- case PXA2XX_UDC_CMD_CONNECT:
- set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
- break;
- case PXA2XX_UDC_CMD_DISCONNECT:
- reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
- break;
- }
-}
-
static struct pxa2xx_udc_mach_info udc_info __initdata = {
- .udc_command = tosa_udc_command,
+ .gpio_pullup = TOSA_GPIO_USB_PULLUP,
.gpio_vbus = TOSA_GPIO_USB_IN,
.gpio_vbus_inverted = 1,
};
@@ -264,9 +252,39 @@ static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void
err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int,
IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC/SD card detect", data);
- if (err)
+ if (err) {
printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+ goto err_irq;
+ }
+
+ err = gpio_request(TOSA_GPIO_SD_WP, "sd_wp");
+ if (err) {
+ printk(KERN_ERR "tosa_mci_init: can't request SD_WP gpio\n");
+ goto err_gpio_wp;
+ }
+ err = gpio_direction_input(TOSA_GPIO_SD_WP);
+ if (err)
+ goto err_gpio_wp_dir;
+
+ err = gpio_request(TOSA_GPIO_PWR_ON, "sd_pwr");
+ if (err) {
+ printk(KERN_ERR "tosa_mci_init: can't request SD_PWR gpio\n");
+ goto err_gpio_pwr;
+ }
+ err = gpio_direction_output(TOSA_GPIO_PWR_ON, 0);
+ if (err)
+ goto err_gpio_pwr_dir;
+ return 0;
+
+err_gpio_pwr_dir:
+ gpio_free(TOSA_GPIO_PWR_ON);
+err_gpio_pwr:
+err_gpio_wp_dir:
+ gpio_free(TOSA_GPIO_SD_WP);
+err_gpio_wp:
+ free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
+err_irq:
return err;
}
@@ -275,19 +293,21 @@ static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
struct pxamci_platform_data* p_d = dev->platform_data;
if (( 1 << vdd) & p_d->ocr_mask) {
- set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
+ gpio_set_value(TOSA_GPIO_PWR_ON, 1);
} else {
- reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
+ gpio_set_value(TOSA_GPIO_PWR_ON, 0);
}
}
static int tosa_mci_get_ro(struct device *dev)
{
- return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
+ return gpio_get_value(TOSA_GPIO_SD_WP);
}
static void tosa_mci_exit(struct device *dev, void *data)
{
+ gpio_free(TOSA_GPIO_PWR_ON);
+ gpio_free(TOSA_GPIO_SD_WP);
free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
}
@@ -302,18 +322,36 @@ static struct pxamci_platform_data tosa_mci_platform_data = {
/*
* Irda
*/
-static void tosa_irda_transceiver_mode(struct device *dev, int mode)
+static int tosa_irda_startup(struct device *dev)
{
- if (mode & IR_OFF) {
- reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
- } else {
- set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
+ int ret;
+
+ ret = gpio_request(TOSA_GPIO_IR_POWERDWN, "IrDA powerdown");
+ if (ret)
+ return ret;
+
+ ret = gpio_direction_output(TOSA_GPIO_IR_POWERDWN, 0);
+ if (ret)
+ gpio_free(TOSA_GPIO_IR_POWERDWN);
+
+ return ret;
}
+
+static void tosa_irda_shutdown(struct device *dev)
+{
+ gpio_free(TOSA_GPIO_IR_POWERDWN);
+}
+
+static void tosa_irda_transceiver_mode(struct device *dev, int mode)
+{
+ gpio_set_value(TOSA_GPIO_IR_POWERDWN, !(mode & IR_OFF));
}
static struct pxaficp_platform_data tosa_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_OFF,
.transceiver_mode = tosa_irda_transceiver_mode,
+ .startup = tosa_irda_startup,
+ .shutdown = tosa_irda_shutdown,
};
/*