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/* Copyright 2020 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <dt-bindings/motionsense/utils.h>
/ {
aliases {
/*
* motion sense's <>_INT_EVENT is handled
* by alias. Using the alias, each driver creates
* its own <>_INT_EVENT.
*/
bmi160-int = &base_accel;
lis2dw12-int = &lid_accel;
};
/*
* Declare mutexes used by sensor drivers.
* A mutex node is used to create an instance of mutex_t.
* A mutex node is referenced by a sensor node if the
* corresponding sensor driver needs to use the
* instance of the mutex.
*/
motionsense-mutex {
compatible = "cros-ec,motionsense-mutex";
lid_mutex: lid-mutex {
label = "LID_MUTEX";
};
mutex_bmi160: bmi160-mutex {
label = "BMI160_MUTEX";
};
};
/* Rotation matrix used by drivers. */
motionsense-rotation-ref {
compatible = "cros-ec,motionsense-rotation-ref";
lid_rot_ref: lid-rotation-ref {
mat33 = <(-1) 0 0
0 (-1) 0
0 0 1>;
};
base_rot_ref: base-rotation-ref {
mat33 = <1 0 0
0 (-1) 0
0 0 (-1)>;
};
};
/*
* Driver specific data. A driver-specific data can be shared with
* different motion sensors while they are using the same driver.
*
* If a node's compatible starts with "cros-ec,accelgyro-", it is for
* a common structure defined in accelgyro.h.
* e.g) compatible = "cros-ec,accelgyro-als-drv-data" is for
* "struct als_drv_data_t" in accelgyro.h
*/
motionsense-sensor-data {
bmi160_data: bmi160-drv-data {
compatible = "cros-ec,drvdata-bmi160";
status = "okay";
};
lis2dw12_data: lis2dw12-drv-data {
compatible = "cros-ec,drvdata-lis2dw12";
status = "okay";
};
};
/*
* List of motion sensors that creates motion_sensors array.
* The label "lid_accel" and "base_accel" are used to indicate
* motion sensor IDs for lid angle calculation.
*/
motionsense-sensor {
lid_accel: lid-accel {
compatible = "cros-ec,lis2dw12";
status = "okay";
label = "Lid Accel";
active-mask = "SENSOR_ACTIVE_S0_S3";
location = "MOTIONSENSE_LOC_LID";
mutex = <&lid_mutex>;
port = <&i2c_sensor>;
rot-standard-ref = <&lid_rot_ref>;
default-range = <2>;
drv-data = <&lis2dw12_data>;
configs {
compatible =
"cros-ec,motionsense-sensor-config";
ec-s0 {
label = "SENSOR_CONFIG_EC_S0";
odr = <(10000 | ROUND_UP_FLAG)>;
};
ec-s3 {
label = "SENSOR_CONFIG_EC_S3";
odr = <(10000 | ROUND_UP_FLAG)>;
};
};
};
base_accel: base-accel {
compatible = "cros-ec,bmi160-accel";
status = "okay";
label = "Base Accel";
active-mask = "SENSOR_ACTIVE_S0_S3";
location = "MOTIONSENSE_LOC_BASE";
mutex = <&mutex_bmi160>;
port = <&i2c_sensor>;
rot-standard-ref = <&base_rot_ref>;
drv-data = <&bmi160_data>;
configs {
compatible =
"cros-ec,motionsense-sensor-config";
ec-s0 {
label = "SENSOR_CONFIG_EC_S0";
odr = <(10000 | ROUND_UP_FLAG)>;
};
ec-s3 {
label = "SENSOR_CONFIG_EC_S3";
odr = <(10000 | ROUND_UP_FLAG)>;
};
};
};
base-gyro {
compatible = "cros-ec,bmi160-gyro";
status = "okay";
label = "Base Gyro";
active-mask = "SENSOR_ACTIVE_S0_S3";
location = "MOTIONSENSE_LOC_BASE";
mutex = <&mutex_bmi160>;
port = <&i2c_sensor>;
rot-standard-ref = <&base_rot_ref>;
drv-data = <&bmi160_data>;
};
};
motionsense-sensor-info {
compatible = "cros-ec,motionsense-sensor-info";
/*
* list of GPIO interrupts that have to
* be enabled at initial stage
*/
sensor-irqs = <&base_imu_int_l>;
/* list of sensors in force mode */
accel-force-mode-sensors = <&lid_accel>;
};
};
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