diff options
| author | Hyungwoo Yang <hyungwoo.yang@intel.corp-partner.google.com> | 2021-03-19 23:16:27 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-03-24 02:10:49 +0000 |
| commit | d4ebcc156bc62d9b883882ddd7b3ad629b926803 (patch) | |
| tree | 3aa8ff54b4bfe87973aad63a33df94ce76226a0f /zephyr/shim/src/motionsense_driver/bma255-drvinfo.inc | |
| parent | 687579bc11306fb1a5b7c4cfa8f721718424f989 (diff) | |
| download | chrome-ec-d4ebcc156bc62d9b883882ddd7b3ad629b926803.tar.gz | |
zephyr: DT: support BMA255
This change is to support BMA255 via DT.
The change includes, using DT,
- creating BMA255 driver specific data
- creating motion sensor entry for BMA255
BUG=b:173507858
BRANCH=none
TEST=make buildall -j8
build volteer on zephyr
Change-Id: Ie67dc1fb7a25872d48c805b5ba4385dae399f240
Signed-off-by: Hyungwoo Yang <hyungwoo.yang@intel.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2778820
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'zephyr/shim/src/motionsense_driver/bma255-drvinfo.inc')
| -rw-r--r-- | zephyr/shim/src/motionsense_driver/bma255-drvinfo.inc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/zephyr/shim/src/motionsense_driver/bma255-drvinfo.inc b/zephyr/shim/src/motionsense_driver/bma255-drvinfo.inc new file mode 100644 index 0000000000..7db46811ad --- /dev/null +++ b/zephyr/shim/src/motionsense_driver/bma255-drvinfo.inc @@ -0,0 +1,44 @@ +/* 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/accel_bma2x2_public.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 for each BMI260 drvinfo instance in device tree. + * (compatible = "cros-ec,drvdata-bma255") + */ +/* Declare BMA255 driver data */ +#define CREATE_SENSOR_DATA_BMA255(id, drvdata_name) \ + static struct accelgyro_saved_data_t drvdata_name; + +CREATE_SENSOR_DATA(cros_ec_drvdata_bma255, CREATE_SENSOR_DATA_BMA255) + +/* + * 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. + */ + +/* + * Create a motion_sensor_t entry for each BMA255 + * instance(compatible = "cros-ec,bma255") in device tree. + */ +CREATE_MOTION_SENSOR(cros_ec_bma255, MOTIONSENSE_CHIP_BMA255, \ + MOTIONSENSE_TYPE_ACCEL, bma2x2_accel_drv, \ + BMA255_ACCEL_MIN_FREQ, BMA255_ACCEL_MAX_FREQ) |