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

Signed-off-by: Tony SIM <chinyeow.sim.xt@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index cf3e660d8e70..a0caa9e39c5a 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -420,6 +420,16 @@ static struct i2c_board_info i2c0_devices[] = {
         },
 };
 
+#define IRQ21 evt2irq(0x32a0)
+
+static struct i2c_board_info i2c1_devices[] = {
+        /* Accelerometer */
+        {
+                I2C_BOARD_INFO("adxl34x", 0x53),
+                .irq = IRQ21,
+        },
+};
+
 static struct map_desc mackerel_io_desc[] __initdata = {
         /* create a 1:1 entity map for 0xe6xxxxxx
          * used by CPGA, INTC and PFC.
@@ -515,9 +525,14 @@ static void __init mackerel_init(void)
 
         intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */
 
+        /* enable Accelerometer */
+        gpio_request(GPIO_FN_IRQ21,     NULL);
+        set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);
 
         i2c_register_board_info(0, i2c0_devices,
                                 ARRAY_SIZE(i2c0_devices));
+        i2c_register_board_info(1, i2c1_devices,
+                                ARRAY_SIZE(i2c1_devices));
 
         sh7372_add_standard_devices();