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author | Dmitry Baryshkov <dbaryshkov@gmail.com> | 2008-04-12 20:16:16 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 11:29:08 +0100 |
commit | d4e7d09f7accd1b0d1c8f149a44deffc8c141a46 (patch) | |
tree | 66b73501e3a89ba30da34a6c08c0961f93a0ab77 /arch/arm | |
parent | baf1c5d2a08c828d6333e0a37bcdf5afb3d5d003 (diff) | |
download | linux-3.10-d4e7d09f7accd1b0d1c8f149a44deffc8c141a46.tar.gz linux-3.10-d4e7d09f7accd1b0d1c8f149a44deffc8c141a46.tar.bz2 linux-3.10-d4e7d09f7accd1b0d1c8f149a44deffc8c141a46.zip |
[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/arm')
-rw-r--r-- | arch/arm/mach-pxa/tosa.c | 88 |
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, }; /* |