adafruit-mirror/zephyr
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 9

drivers: haptics: drv2605: Introduces rated voltage prop

Browse source 
Adds support for boot time configuration of the rated voltage at
initialization via "vib-rated-mv" devicetree property.

Signed-off-by: Ricardo Rivera-Matos <rriveram@opensource.cirrus.com>
This commit is contained in:
Ricardo Rivera-Matos 2024-08-13 16:12:08 +00:00 committed by Anas Nashif
parent 857b9df26e
commit 38b827d18d
2 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/haptics/drv2605.c
View file

@ -124,6 +124,10 @@ LOG_MODULE_REGISTER(DRV2605, CONFIG_HAPTICS_LOG_LEVEL);
#define DRV2605_POWER_UP_DELAY_US 250
#define DRV2605_VOLTAGE_SCALE_FACTOR_MV 5600
#define DRV2605_CALCULATE_VOLTAGE(_volt) ((_volt * 255) / DRV2605_VOLTAGE_SCALE_FACTOR_MV)
struct drv2605_config {
struct i2c_dt_spec i2c;
struct gpio_dt_spec en_gpio;
@ -452,6 +456,11 @@ static int drv2605_hw_config(const struct device *dev)
return ret;
}
ret = i2c_reg_write_byte_dt(&config->i2c, DRV2605_REG_RATED_VOLTAGE, config->rated_voltage);
if (ret < 0) {
return ret;
}
return 0;
}
@ -600,6 +609,7 @@ static const struct haptics_driver_api drv2605_driver_api = {
.feedback_brake_factor = DT_INST_ENUM_IDX(inst, feedback_brake_factor), \
.loop_gain = DT_INST_ENUM_IDX(inst, loop_gain), \
.actuator_mode = DT_INST_ENUM_IDX(inst, actuator_mode), \
.rated_voltage = DRV2605_CALCULATE_VOLTAGE(DT_INST_PROP(inst, vib_rated_mv)), \
}; \
\
static struct drv2605_data drv2605_data_##inst = { \

6
dts/bindings/haptics/ti,drv2605.yaml
View file

@ -43,6 +43,12 @@ properties:
description: |
Selects a loop gain for the feedback control. According to the datasheet,
a value of 2 ("HIGH") is valid for most actuators.
vib-rated-mv:
type: int
default: 3200
description: |
Sets the reference voltage for full-scale output during closed-loop
operation. The default value is inherited from ti,drv260x.yaml in Linux.
en-gpios:
type: phandle-array
description: GPIO to enable and disable the device.