diff options
Diffstat (limited to 'zephyr/program/nissa/yavilla/motionsense.dtsi')
| -rw-r--r-- | zephyr/program/nissa/yavilla/motionsense.dtsi | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/zephyr/program/nissa/yavilla/motionsense.dtsi b/zephyr/program/nissa/yavilla/motionsense.dtsi new file mode 100644 index 0000000000..df84c36471 --- /dev/null +++ b/zephyr/program/nissa/yavilla/motionsense.dtsi @@ -0,0 +1,148 @@ +/* Copyright 2023 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 = <1 0 0 + 0 (-1) 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: bma4xx-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>; + i2c-spi-addr-flags = "BMA4_I2C_ADDR_PRIMARY"; + 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_acc>; + }; +}; |