diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 6a8861b39f05cd169138c9dbf5c5a254ad236a8a..5c246289b4f09eb2fa5c6a46a89400530f22cd20 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -353,6 +353,10 @@ static struct i2c_board_info i2c1_devices[] = {
 	{
 		I2C_BOARD_INFO("r2025sd", 0x32),
 	},
+	{
+		I2C_BOARD_INFO("lis3lv02d", 0x1c),
+		.irq = 33,
+	}
 };
 
 /* KEYSC */
@@ -1115,6 +1119,10 @@ static int __init arch_setup(void)
 	gpio_direction_output(GPIO_PTU0, 0);
 	mdelay(20);
 
+	/* enable motion sensor */
+	gpio_request(GPIO_FN_INTC_IRQ1, NULL);
+	gpio_direction_input(GPIO_FN_INTC_IRQ1);
+
 	/* enable I2C device */
 	i2c_register_board_info(0, i2c0_devices,
 				ARRAY_SIZE(i2c0_devices));