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>

diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index cf3e660..a0caa9e 100644 (file)
--- 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();