ARM: mach-shmobile: mackerel: Add Accelerometer sensor support

Commit Message

sim.chinyeow Dec. 7, 2010, 9:12 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index f9418e7..7ae1b03 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -309,6 +309,15 @@  static struct platform_device usb1_host_device = {
 	.resource	= usb1_host_resources,
 };
 
+#define IRQ21 evt2irq(0x32a0)
+static struct i2c_board_info i2c1_devices[] = {
+	/* Accelerometer */
+	{
+		I2C_BOARD_INFO("adxl34x", 0x53),
+		.irq = IRQ21,
+	},
+};
+
 static struct platform_device *mackerel_devices[] __initdata = {
 	&nor_flash_device,
 	&smc911x_device,
@@ -394,6 +403,12 @@  static void __init mackerel_init(void)
 	/* setup USB phy */
 	__raw_writew(0x8a0a, 0xE6058130);	/* USBCR2 */
 
+	/* enable Accelerometer */
+	gpio_request(GPIO_FN_IRQ21,	NULL);
+	set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);
+
+	i2c_register_board_info(1, i2c1_devices,
+				ARRAY_SIZE(i2c1_devices));
 
 	sh7372_add_standard_devices();