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authorLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 03:06:58 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-15 03:06:58 +0400
commit85082fd7cbe3173198aac0eb5e85ab1edcc6352c (patch)
treeedbc09b7945994f78668d218fa02e991c3b3b365 /arch/arm/plat-iop/gpio.c
parent666484f0250db2e016948d63b3ef33e202e3b8d0 (diff)
parent53ffe3b440aa85af6fc4eda09b2d44bcdd312d4d (diff)
downloadlinux-85082fd7cbe3173198aac0eb5e85ab1edcc6352c.tar.xz
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (241 commits) [ARM] 5171/1: ep93xx: fix compilation of modules using clocks [ARM] 5133/2: at91sam9g20 defconfig file [ARM] 5130/4: Support for the at91sam9g20 [ARM] 5160/1: IOP3XX: gpio/gpiolib support [ARM] at91: Fix NAND FLASH timings for at91sam9x evaluation kits. [ARM] 5084/1: zylonite: Register AC97 device [ARM] 5085/2: PXA: Move AC97 over to the new central device declaration model [ARM] 5120/1: pxa: correct platform driver names for PXA25x and PXA27x UDC drivers [ARM] 5147/1: pxaficp_ir: drop pxa_gpio_mode calls, as pin setting [ARM] 5145/1: PXA2xx: provide api to control IrDA pins state [ARM] 5144/1: pxaficp_ir: cleanup includes [ARM] pxa: remove pxa_set_cken() [ARM] pxa: allow clk aliases [ARM] Feroceon: don't disable BPU on boot [ARM] Orion: LED support for HP mv2120 [ARM] Orion: add RD88F5181L-FXO support [ARM] Orion: add RD88F5181L-GE support [ARM] Orion: add Netgear WNR854T support [ARM] s3c2410_defconfig: update for current build [ARM] Acer n30: Minor style and indentation fixes. ...
Diffstat (limited to 'arch/arm/plat-iop/gpio.c')
-rw-r--r--arch/arm/plat-iop/gpio.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/plat-iop/gpio.c b/arch/arm/plat-iop/gpio.c
index eda436083417..640e498c12ef 100644
--- a/arch/arm/plat-iop/gpio.c
+++ b/arch/arm/plat-iop/gpio.c
@@ -11,6 +11,10 @@
*/
#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/gpio.h>
#include <asm/hardware/iop3xx.h>
void gpio_line_config(int line, int direction)
@@ -46,3 +50,42 @@ void gpio_line_set(int line, int value)
local_irq_restore(flags);
}
EXPORT_SYMBOL(gpio_line_set);
+
+static int iop3xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ gpio_line_config(gpio, GPIO_IN);
+ return 0;
+}
+
+static int iop3xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
+{
+ gpio_line_set(gpio, level);
+ gpio_line_config(gpio, GPIO_OUT);
+ return 0;
+}
+
+static int iop3xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ return gpio_line_get(gpio);
+}
+
+static void iop3xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
+{
+ gpio_line_set(gpio, value);
+}
+
+static struct gpio_chip iop3xx_chip = {
+ .label = "iop3xx",
+ .direction_input = iop3xx_gpio_direction_input,
+ .get = iop3xx_gpio_get_value,
+ .direction_output = iop3xx_gpio_direction_output,
+ .set = iop3xx_gpio_set_value,
+ .base = 0,
+ .ngpio = IOP3XX_N_GPIOS,
+};
+
+static int __init iop3xx_gpio_setup(void)
+{
+ return gpiochip_add(&iop3xx_chip);
+}
+arch_initcall(iop3xx_gpio_setup);