michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers: i2c: i2c_mcux_flexcomm: enable pinctrl for i2c flexcomm driver

Browse source 
enable pinctrl for i2c flexcomm driver

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2022-03-24 12:38:24 -05:00 • committed by Marti Bolivar
commit 1d33b6b86b
1 changed files with 24 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

24
drivers/i2c/i2c_mcux_flexcomm.c
View file

@ -11,6 +11,9 @@
#include <drivers/i2c.h>
#include <drivers/clock_control.h>
#include <fsl_i2c.h>
#ifdef CONFIG_PINCTRL
#include <drivers/pinctrl.h>
#endif
#include <logging/log.h>
LOG_MODULE_REGISTER(mcux_flexcomm);
@ -23,6 +26,9 @@ struct mcux_flexcomm_config {
clock_control_subsys_t clock_subsys;
void (*irq_config_func)(const struct device *dev);
uint32_t bitrate;
#ifdef CONFIG_PINCTRL
const struct pinctrl_dev_config *pincfg;
#endif
};
struct mcux_flexcomm_data {
@ -183,6 +189,13 @@ static int mcux_flexcomm_init(const struct device *dev)
i2c_master_config_t master_config;
int error;
#ifdef CONFIG_PINCTRL
error = pinctrl_apply_state(config->pincfg, PINCTRL_STATE_DEFAULT);
if (error) {
return error;
}
#endif
k_sem_init(&data->device_sync_sem, 0, K_SEM_MAX_LIMIT);
/* Get the clock frequency */
@ -214,7 +227,17 @@ static const struct i2c_driver_api mcux_flexcomm_driver_api = {
.transfer = mcux_flexcomm_transfer,
};
#ifdef CONFIG_PINCTRL
#define I2C_MCUX_FLEXCOMM_PINCTRL_DEFINE(n) PINCTRL_DT_INST_DEFINE(n);
#define I2C_MCUX_FLEXCOMM_PINCTRL_INIT(n) .pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n),
#else
#define I2C_MCUX_FLEXCOMM_PINCTRL_DEFINE(n)
#define I2C_MCUX_FLEXCOMM_PINCTRL_INIT(n)
#endif
#define I2C_MCUX_FLEXCOMM_DEVICE(id) \
I2C_MCUX_FLEXCOMM_PINCTRL_DEFINE(id) \
static void mcux_flexcomm_config_func_##id(const struct device *dev); \
static const struct mcux_flexcomm_config mcux_flexcomm_config_##id = { \
.base = (I2C_Type *) DT_INST_REG_ADDR(id), \
@ -223,6 +246,7 @@ static const struct i2c_driver_api mcux_flexcomm_driver_api = {
(clock_control_subsys_t)DT_INST_CLOCKS_CELL(id, name),\
.irq_config_func = mcux_flexcomm_config_func_##id, \
.bitrate = DT_INST_PROP(id, clock_frequency), \
I2C_MCUX_FLEXCOMM_PINCTRL_INIT(id) \
}; \
static struct mcux_flexcomm_data mcux_flexcomm_data_##id; \
I2C_DEVICE_DT_INST_DEFINE(id, \