blob: a613f506eb75364b0cacb1afb46867fdb0f41e4b [file] [log] [blame]
/*
* Copyright (c) 2022, Commonwealth Scientific and Industrial Research
* Organisation (CSIRO) ABN 41 687 119 230.
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
* This is not a real PWM driver. It is used to instantiate struct
* devices for the "vnd,pwm" devicetree compatible used in test code.
*/
#include <zephyr.h>
#include <drivers/pwm.h>
#define DT_DRV_COMPAT vnd_pwm
static int vnd_pwm_pin_set(const struct device *dev, uint32_t pwm,
uint32_t period_cycles, uint32_t pulse_cycles,
pwm_flags_t flags)
{
return -ENOTSUP;
}
#ifdef CONFIG_PWM_CAPTURE
static int vnd_pwm_pin_configure_capture(const struct device *dev,
uint32_t pwm,
pwm_flags_t flags,
pwm_capture_callback_handler_t cb,
void *user_data)
{
return -ENOTSUP;
}
static int vnd_pwm_pin_enable_capture(const struct device *dev,
uint32_t pwm)
{
return -ENOTSUP;
}
static int vnd_pwm_pin_disable_capture(const struct device *dev,
uint32_t pwm)
{
return -ENOTSUP;
}
#endif /* CONFIG_PWM_CAPTURE */
static int vnd_pwm_get_cycles_per_sec(const struct device *dev,
uint32_t pwm,
uint64_t *cycles)
{
return -ENOTSUP;
}
static const struct pwm_driver_api vnd_pwm_api = {
.pin_set = vnd_pwm_pin_set,
#ifdef CONFIG_PWM_CAPTURE
.pin_configure_capture = vnd_pwm_pin_configure_capture,
.pin_enable_capture = vnd_pwm_pin_enable_capture,
.pin_disable_capture = vnd_pwm_pin_disable_capture,
#endif /* CONFIG_PWM_CAPTURE */
.get_cycles_per_sec = vnd_pwm_get_cycles_per_sec,
};
static int vnd_pwm_init(const struct device *dev)
{
return 0;
}
#define VND_PWM_INIT(n) \
DEVICE_DT_INST_DEFINE(n, &vnd_pwm_init, NULL, \
NULL, NULL, POST_KERNEL, \
CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
&vnd_pwm_api);
DT_INST_FOREACH_STATUS_OKAY(VND_PWM_INIT)