board: atlas: Remove BMI160 support

Atlas may ship without IMU.
hardware_features.xml indicates no IMU support (CL:*1168651 and
CL:*1138132)
Prevent EC to report IMU even if present.

BUG=b:129078548
TEST=Compile
BRANCH=atlas

Change-Id: I600ef7268d7cea50164bf2e9fe7dd54d00329437
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1582609
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Caveh Jalali <caveh@google.com>
Reviewed-by: Bob Moragues <moragues@chromium.org>
Reviewed-by: Caveh Jalali <caveh@google.com>

3 files changed, 1 insertions, 50 deletions

diff --git a/board/atlas/board.c b/board/atlas/board.c
index df72cedcbf..618838714c 100644
--- a/board/atlas/board.c
+++ b/board/atlas/board.c
@@ -162,8 +162,6 @@ const struct i2c_port_t i2c_ports[]  = {
 	 GPIO_EC_I2C3_SENSOR_3V3_SCL, GPIO_EC_I2C3_SENSOR_3V3_SDA},
 	{"battery", I2C_PORT_BATTERY, 100,
 	 GPIO_EC_I2C4_BATTERY_SCL,    GPIO_EC_I2C4_BATTERY_SDA},
-	{"gyro",    I2C_PORT_GYRO,    100,
-	 GPIO_EC_I2C5_GYRO_SCL,       GPIO_EC_I2C5_GYRO_SDA},
 };
 const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
 
@@ -256,7 +254,6 @@ const struct temp_sensor_t temp_sensors[] = {
 	 BD99992GW_ADC_CHANNEL_SYSTHERM2, 4},
 	{"eMMC", TEMP_SENSOR_TYPE_BOARD, bd99992gw_get_val,
 	 BD99992GW_ADC_CHANNEL_SYSTHERM3, 4},
-	{"gyro", TEMP_SENSOR_TYPE_BOARD, bmi160_get_sensor_temp, BASE_GYRO, 1},
 };
 BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT);
 
@@ -471,9 +468,6 @@ static void board_init(void)
 
 	/* Provide AC status to the PCH */
 	gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
-
-	/* Enable interrupts from BMI160 sensor. */
-	gpio_enable_interrupt(GPIO_ACCELGYRO3_INT_L);
 }
 DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
 
@@ -583,10 +577,6 @@ int board_get_version(void)
 	return ver;
 }
 
-/* Base Sensor mutex */
-static struct mutex g_base_mutex;
-
-static struct bmi160_drv_data_t g_bmi160_data;
 static struct opt3001_drv_data_t g_opt3001_data = {
 	.scale = 1,
 	.uscale = 0,
@@ -601,38 +591,6 @@ const mat33_fp_t base_standard_ref = {
 };
 
 struct motion_sensor_t motion_sensors[] = {
-	[BASE_ACCEL] = {
-		.name = "Base Accel",
-		.active_mask = SENSOR_ACTIVE_S0_S3_S5,
-		.chip = MOTIONSENSE_CHIP_BMI160,
-		.type = MOTIONSENSE_TYPE_ACCEL,
-		.location = MOTIONSENSE_LOC_BASE,
-		.drv = &bmi160_drv,
-		.mutex = &g_base_mutex,
-		.drv_data = &g_bmi160_data,
-		.port = I2C_PORT_GYRO,
-		.addr = BMI160_ADDR0,
-		.rot_standard_ref = &base_standard_ref,
-		.default_range = 2,  /* g, enough for laptop. */
-		.min_frequency = BMI160_ACCEL_MIN_FREQ,
-		.max_frequency = BMI160_ACCEL_MAX_FREQ,
-	},
-	[BASE_GYRO] = {
-		.name = "Base Gyro",
-		.active_mask = SENSOR_ACTIVE_S0_S3_S5,
-		.chip = MOTIONSENSE_CHIP_BMI160,
-		.type = MOTIONSENSE_TYPE_GYRO,
-		.location = MOTIONSENSE_LOC_BASE,
-		.drv = &bmi160_drv,
-		.mutex = &g_base_mutex,
-		.drv_data = &g_bmi160_data,
-		.port = I2C_PORT_GYRO,
-		.addr = BMI160_ADDR0,
-		.default_range = 1000, /* dps */
-		.rot_standard_ref = &base_standard_ref,
-		.min_frequency = BMI160_GYRO_MIN_FREQ,
-		.max_frequency = BMI160_GYRO_MAX_FREQ,
-	},
 	[LID_ALS] = {
 		.name = "Light",
 		.active_mask = SENSOR_ACTIVE_S0,
diff --git a/board/atlas/board.h b/board/atlas/board.h
index 3475bae97b..636ff2c982 100644
--- a/board/atlas/board.h
+++ b/board/atlas/board.h
@@ -117,10 +117,6 @@
 #define CONFIG_ACCEL_FIFO 1024
 #define CONFIG_ACCEL_FIFO_THRES (CONFIG_ACCEL_FIFO / 3)
 #define CONFIG_ACCEL_INTERRUPTS
-#define CONFIG_ACCELGYRO_BMI160
-#define CONFIG_ACCELGYRO_BMI160_INT_EVENT \
-	TASK_EVENT_MOTION_SENSOR_INTERRUPT(BASE_ACCEL)
-#undef CONFIG_SENSOR_TIGHT_TIMESTAMPS
 
 /* USB */
 #define CONFIG_USB_PD_ALT_MODE
@@ -195,7 +191,6 @@ enum temp_sensor_id {
 	TEMP_SENSOR_SYSTHERM1,	/* BD99992GW SYSTHERM1 */
 	TEMP_SENSOR_SYSTHERM2,	/* BD99992GW SYSTHERM2 */
 	TEMP_SENSOR_SYSTHERM3,	/* BD99992GW SYSTHERM3 */
-	TEMP_SENSOR_GYRO,
 	TEMP_SENSOR_COUNT
 };
 
@@ -211,8 +206,6 @@ enum pwm_channel {
 };
 
 enum sensor_id {
-	BASE_ACCEL,
-	BASE_GYRO,
 	LID_ALS,
 };
 
diff --git a/board/atlas/gpio.inc b/board/atlas/gpio.inc
index 043e7e4506..4ce44cc130 100644
--- a/board/atlas/gpio.inc
+++ b/board/atlas/gpio.inc
@@ -23,7 +23,6 @@ GPIO_INT(ROP_EC_ACOK,		PIN(0, 0), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH,	extpower_i
 /* misc interrupt handler section */
 GPIO_INT(EC_WP_L,		PIN(A, 1), GPIO_INT_BOTH,			switch_interrupt)
 GPIO_INT(LID_OPEN,		PIN(D, 2), GPIO_INT_BOTH | GPIO_HIB_WAKE_HIGH,	lid_interrupt)
-GPIO_INT(ACCELGYRO3_INT_L,	PIN(4, 1), GPIO_INT_FALLING,			bmi160_interrupt)
 
 /* SoC section */
 GPIO(RSMRST_L,			PIN(3, 7), GPIO_OUT_LOW)			/* SOC Resume Reset */
@@ -103,6 +102,7 @@ GPIO(NC_GPIOC7,			PIN(C, 7), GPIO_INPUT | GPIO_PULL_UP)
 GPIO(NC_GPIOD6,			PIN(D, 6), GPIO_INPUT | GPIO_PULL_UP)
 GPIO(NC_GPIOD7,			PIN(D, 7), GPIO_INPUT | GPIO_PULL_UP)
 GPIO(NC_GPIOE0,			PIN(E, 0), GPIO_INPUT | GPIO_PULL_UP)
+GPIO(ACCELGYRO3_INT_L,		PIN(4, 1), GPIO_INPUT | GPIO_PULL_UP)
 
 /* WoV is unused */
 GPIO(NC_GPIO94,			PIN(9, 4), GPIO_INPUT | GPIO_PULL_UP)