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Diffstat (limited to 'zephyr/projects/nissa/nivviks/motionsense.dtsi')
| -rw-r--r-- | zephyr/projects/nissa/nivviks/motionsense.dtsi | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/zephyr/projects/nissa/nivviks/motionsense.dtsi b/zephyr/projects/nissa/nivviks/motionsense.dtsi new file mode 100644 index 0000000000..6297a07bf5 --- /dev/null +++ b/zephyr/projects/nissa/nivviks/motionsense.dtsi @@ -0,0 +1,166 @@ +/* Copyright 2021 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. + */ + lsm6dso-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 { + }; + + 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 = <(-1) 0 0 + 0 1 0 + 0 0 (-1)>; + }; + + base_rot_ref: base-rot-ref { + mat33 = <(-1) 0 0 + 0 (-1) 0 + 0 0 1>; + }; + + base_rot_inverted: base-rotation-inverted { + 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 { + lsm6dso_accel_data: lsm6dso-accel-drv-data { + compatible = "cros-ec,drvdata-lsm6dso"; + status = "okay"; + }; + + lsm6dso_gyro_data: lsm6dso-gyro-drv-data { + compatible = "cros-ec,drvdata-lsm6dso"; + status = "okay"; + }; + + lis2dw12_data: lis2dw12-drv-data { + compatible = "cros-ec,drvdata-lis2dw12"; + 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,lis2dw12"; + 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 = <&lis2dw12_data>; + i2c-spi-addr-flags = "LIS2DWL_ADDR0_FLAGS"; + 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,lsm6dso-accel"; + status = "okay"; + + active-mask = "SENSOR_ACTIVE_S0_S3"; + location = "MOTIONSENSE_LOC_BASE"; + mutex = <&base_mutex>; + port = <&i2c_ec_i2c_sensor>; + /* + * May be replaced by alternate depending + * on board config. + */ + rot-standard-ref = <&base_rot_ref>; + drv-data = <&lsm6dso_accel_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,lsm6dso-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>; + default-range = <(1000 | ROUND_UP_FLAG)>; /* dps */ + drv-data = <&lsm6dso_gyro_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>; + /* list of sensors in force mode */ + accel-force-mode-sensors = <&lid_accel>; + }; +}; |