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drivers: can: mcux: mcan: add pinctrl support

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Add pinctrl support to the NXP LPC driver front-end.

Fixes: #47742

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2022-07-13 17:33:08 +02:00 • committed by Carles Cufí
commit 7b6ca29941
2 changed files with 25 additions and 1 deletions
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24
drivers/can/can_mcux_mcan.c
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@ -7,6 +7,9 @@
#include <zephyr/device.h>
#include <zephyr/drivers/can.h>
#include <zephyr/drivers/clock_control.h>
#ifdef CONFIG_PINCTRL
#include <zephyr/drivers/pinctrl.h>
#endif
#include <zephyr/logging/log.h>
#include "can_mcan.h"
@ -19,6 +22,9 @@ struct mcux_mcan_config {
const struct device *clock_dev;
clock_control_subsys_t clock_subsys;
void (*irq_config_func)(const struct device *dev);
#ifdef CONFIG_PINCTRL
const struct pinctrl_dev_config *pincfg;
#endif
};
struct mcux_mcan_data {
@ -40,6 +46,13 @@ static int mcux_mcan_init(const struct device *dev)
const struct mcux_mcan_config *mcux_config = mcan_config->custom;
int err;
#ifdef CONFIG_PINCTRL
err = pinctrl_apply_state(mcux_config->pincfg, PINCTRL_STATE_DEFAULT);
if (err) {
return err;
}
#endif /* CONFIG_PINCTRL */
err = clock_control_on(mcux_config->clock_dev, mcux_config->clock_subsys);
if (err) {
LOG_ERR("failed to enable clock (err %d)", err);
@ -121,7 +134,17 @@ static const struct can_driver_api mcux_mcan_driver_api = {
#endif /* CONFIG_CAN_FD_MODE */
};
#ifdef CONFIG_PINCTRL
#define MCUX_MCAN_PINCTRL_DEFINE(n) PINCTRL_DT_INST_DEFINE(n)
#define MCUX_MCAN_PINCTRL_INIT(n) .pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n),
#else
#define MCUX_MCAN_PINCTRL_DEFINE(n)
#define MCUX_MCAN_PINCTRL_INIT(n)
#endif
#define MCUX_MCAN_INIT(n) \
MCUX_MCAN_PINCTRL_DEFINE(n); \
\
static void mcux_mcan_irq_config_##n(const struct device *dev); \
\
static const struct mcux_mcan_config mcux_mcan_config_##n = { \
@ -129,6 +152,7 @@ static const struct can_driver_api mcux_mcan_driver_api = {
.clock_subsys = (clock_control_subsys_t) \
DT_INST_CLOCKS_CELL(n, name), \
.irq_config_func = mcux_mcan_irq_config_##n, \
MCUX_MCAN_PINCTRL_INIT(n) \
}; \
\
static const struct can_mcan_config can_mcan_config_##n = \