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/* Copyright 2022 The ChromiumOS Authors
* 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 {
/*
* Interrupt bindings for sensor devices.
*/
bmi3xx-int = &base_accel;
bma4xx-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 {
};
base_mutex: base-mutex {
};
};
/* Rotation matrix used by drivers. */
motionsense-rotation-ref {
compatible = "cros-ec,motionsense-rotation-ref";
lid_rot_ref: lid-rotation-ref {
mat33 = <0 (-1) 0
(-1) 0 0
0 0 (-1)>;
};
base_rot_ref: base-rotation-ref {
mat33 = <0 1 0
(-1) 0 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 {
bmi323_data: bmi323-drv-data {
compatible = "cros-ec,drvdata-bmi3xx";
status = "okay";
};
bma422_data: bma422-drv-data {
compatible = "cros-ec,drvdata-bma4xx";
status = "okay";
};
};
/*
* List of motion sensors that creates motion_sensors array.
* The nodelabel "lid_accel" and "base_accel" are used to indicate
* motion sensor IDs for lid angle calculation.
* TODO(b/238139272): The first entries of the array must be
* accelerometers,then gyroscope. Fix this dependency in the DTS
* processing which makes the devicetree entries independent.
*/
motionsense-sensor {
lid_accel: lid-accel {
compatible = "cros-ec,bma4xx";
status = "okay";
active-mask = "SENSOR_ACTIVE_S0_S3";
location = "MOTIONSENSE_LOC_LID";
mutex = <&lid_mutex>;
port = <&i2c_ec_i2c_sensor>;
rot-standard-ref = <&lid_rot_ref>;
default-range = <2>;
drv-data = <&bma422_data>;
configs {
compatible =
"cros-ec,motionsense-sensor-config";
ec-s0 {
odr = <(10000 | ROUND_UP_FLAG)>;
};
ec-s3 {
odr = <(10000 | ROUND_UP_FLAG)>;
};
};
};
base_accel: base-accel {
compatible = "cros-ec,bmi3xx-accel";
status = "okay";
active-mask = "SENSOR_ACTIVE_S0_S3";
location = "MOTIONSENSE_LOC_BASE";
mutex = <&base_mutex>;
port = <&i2c_ec_i2c_sensor>;
rot-standard-ref = <&base_rot_ref>;
drv-data = <&bmi323_data>;
configs {
compatible =
"cros-ec,motionsense-sensor-config";
ec-s0 {
odr = <(10000 | ROUND_UP_FLAG)>;
};
ec-s3 {
odr = <(10000 | ROUND_UP_FLAG)>;
};
};
};
base_gyro: base-gyro {
compatible = "cros-ec,bmi3xx-gyro";
status = "okay";
active-mask = "SENSOR_ACTIVE_S0_S3";
location = "MOTIONSENSE_LOC_BASE";
mutex = <&base_mutex>;
port = <&i2c_ec_i2c_sensor>;
rot-standard-ref = <&base_rot_ref>;
drv-data = <&bmi323_data>;
};
};
motionsense-sensor-info {
compatible = "cros-ec,motionsense-sensor-info";
/*
* list of GPIO interrupts that have to
* be enabled at initial stage
*/
sensor-irqs = <&int_imu &int_lid_imu>;
};
};
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