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drivers: pwm_imx: add pin control support

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Add pin control support to pwm_imx driver.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2022-04-25 17:10:17 -05:00 • committed by David Leach
commit ddee8d7f4e
2 changed files with 12 additions and 1 deletions
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11
drivers/pwm/pwm_imx.c
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@ -8,6 +8,7 @@
#include <zephyr/drivers/pwm.h>
#include <soc.h>
#include <device_imx.h>
#include <drivers/pinctrl.h>
#define LOG_LEVEL CONFIG_PWM_LOG_LEVEL
#include <zephyr/logging/log.h>
@ -24,6 +25,7 @@ LOG_MODULE_REGISTER(pwm_imx);
struct imx_pwm_config {
PWM_Type *base;
uint16_t prescaler;
const struct pinctrl_dev_config *pincfg;
};
struct imx_pwm_data {
@ -140,9 +142,16 @@ static int imx_pwm_set_cycles(const struct device *dev, uint32_t channel,
static int imx_pwm_init(const struct device *dev)
{
const struct imx_pwm_config *config = dev->config;
struct imx_pwm_data *data = dev->data;
int err;
PWM_Type *base = DEV_BASE(dev);
err = pinctrl_apply_state(config->pincfg, PINCTRL_STATE_DEFAULT);
if (err) {
return err;
}
PWM_PWMPR_REG(base) = data->period_cycles;
return 0;
@ -154,9 +163,11 @@ static const struct pwm_driver_api imx_pwm_driver_api = {
};
#define PWM_IMX_INIT(n) \
PINCTRL_DT_INST_DEFINE(n); \
static const struct imx_pwm_config imx_pwm_config_##n = { \
.base = (PWM_Type *)DT_INST_REG_ADDR(n), \
.prescaler = DT_INST_PROP(n, prescaler), \
.pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
}; \
\
static struct imx_pwm_data imx_pwm_data_##n; \