diff options
Diffstat (limited to 'zephyr/shim/src/motionsense_driver/icm426xx-drvinfo.inc')
-rw-r--r-- | zephyr/shim/src/motionsense_driver/icm426xx-drvinfo.inc | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/zephyr/shim/src/motionsense_driver/icm426xx-drvinfo.inc b/zephyr/shim/src/motionsense_driver/icm426xx-drvinfo.inc new file mode 100644 index 0000000000..5513ff934c --- /dev/null +++ b/zephyr/shim/src/motionsense_driver/icm426xx-drvinfo.inc @@ -0,0 +1,57 @@ +/* Copyright 2021 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 "driver/accelgyro_icm_common.h" +#include "driver/accelgyro_icm426xx.h" + +/* + * CREATE_SENSOR_DATA which is defined in motionsense_sensors.c is + * the helper to create sensor driver specific data. + * + * CREATE_SENSOR_DATA gets two arguments. One is the compatible + * property value specified in device tree and the other one is the macro + * that actually creates sensor driver specific data. The macro gets + * node id and the name to be used for the sensor driver data. + */ + +/* + * Create driver data. It can be shared among the entries in + * motion_sensors array which are using the same icm426xx driver. + */ +#define CREATE_SENSOR_DATA_ICM426XX(id, drvdata_name) \ + static struct icm_drv_data_t drvdata_name; + +/* + * Create driver data for each icm426xx drvinfo instance in device tree. + * (compatible = "cros-ec,drvdata-icm426xx") + */ +CREATE_SENSOR_DATA(cros_ec_drvdata_icm426xx, CREATE_SENSOR_DATA_ICM426XX) +/* + * CREATE_MOTION_SENSOR which is defined in motionsense_sensors.c is + * the macro to create an entry in motion_sensors array. + * The macro gets value of compatible property of + * the sensor in device tree and sensor specific values like chip ID, + * type of sensor, name of driver, default min/max frequency. + * Then using the values, it creates the corresponding motion_sense_t entry + * in motion_sensors array. + */ + +/* + * Here, we call CREATE_MOTION_SENSOR to create a motion_sensor_t entry + * for each icm426xx accel instance(compatible = "cros-ec,icm426xx-accel") + * in device tree. + */ +CREATE_MOTION_SENSOR(cros_ec_icm426xx_accel, MOTIONSENSE_CHIP_ICM426XX, \ + MOTIONSENSE_TYPE_ACCEL, icm426xx_drv, \ + ICM426XX_ACCEL_MIN_FREQ, ICM426XX_ACCEL_MAX_FREQ) + +/* + * Here, we call CREATE_MOTION_SENSOR to create a motion_sensor_t entry + * for each icm426xx gyro instance (compatible = "cros-ec,icm426xx-gyro") + * in device tree. + */ +CREATE_MOTION_SENSOR(cros_ec_icm426xx_gyro, MOTIONSENSE_CHIP_ICM426XX, \ + MOTIONSENSE_TYPE_GYRO, icm426xx_drv, \ + ICM426XX_GYRO_MIN_FREQ, ICM426XX_GYRO_MAX_FREQ) |