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Diffstat (limited to 'arch/arm/mach-mx3')
-rw-r--r--arch/arm/mach-mx3/devices.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index 1bc6d23a1d5..5c0320fce5b 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -20,6 +20,7 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/serial.h>
+#include <linux/gpio.h>
#include <asm/hardware.h>
#include <asm/arch/imx-uart.h>
@@ -151,3 +152,29 @@ int __init imx_init_uart(int uart_no, struct imxuart_platform_data *pdata)
return 0;
}
+/* GPIO port description */
+static struct mxc_gpio_port imx_gpio_ports[] = {
+ [0] = {
+ .chip.label = "gpio-0",
+ .base = IO_ADDRESS(GPIO1_BASE_ADDR),
+ .irq = MXC_INT_GPIO1,
+ .virtual_irq_start = MXC_GPIO_INT_BASE
+ },
+ [1] = {
+ .chip.label = "gpio-1",
+ .base = IO_ADDRESS(GPIO2_BASE_ADDR),
+ .irq = MXC_INT_GPIO2,
+ .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN
+ },
+ [2] = {
+ .chip.label = "gpio-2",
+ .base = IO_ADDRESS(GPIO3_BASE_ADDR),
+ .irq = MXC_INT_GPIO3,
+ .virtual_irq_start = MXC_GPIO_INT_BASE + GPIO_NUM_PIN * 2
+ }
+};
+
+int __init mxc_register_gpios(void)
+{
+ return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
+}