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drivers: uart_mcux_iuart: add pin control support

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Add pin control support to mcux_iuart driver.

Signed-off-by: Daniel DeGrasse <daniel.degrasse@nxp.com>
This commit is contained in:
Daniel DeGrasse 2022-04-25 17:07:50 -05:00 • committed by David Leach
commit 694637a83c
2 changed files with 18 additions and 1 deletions
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11
drivers/serial/uart_mcux_iuart.c
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@ -12,12 +12,14 @@
#include <errno.h>
#include <fsl_uart.h>
#include <soc.h>
#include <drivers/pinctrl.h>
struct mcux_iuart_config {
UART_Type *base;
const struct device *clock_dev;
clock_control_subsys_t clock_subsys;
uint32_t baud_rate;
const struct pinctrl_dev_config *pincfg;
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
void (*irq_config_func)(const struct device *dev);
#endif
@ -223,6 +225,7 @@ static int mcux_iuart_init(const struct device *dev)
const struct mcux_iuart_config *config = dev->config;
uart_config_t uart_config;
uint32_t clock_freq;
int err;
if (clock_control_get_rate(config->clock_dev, config->clock_subsys,
&clock_freq)) {
@ -236,6 +239,11 @@ static int mcux_iuart_init(const struct device *dev)
UART_Init(config->base, &uart_config, clock_freq);
err = pinctrl_apply_state(config->pincfg, PINCTRL_STATE_DEFAULT);
if (err) {
return err;
}
#ifdef CONFIG_UART_INTERRUPT_DRIVEN
config->irq_config_func(dev);
#endif
@ -299,6 +307,7 @@ static const struct mcux_iuart_config mcux_iuart_##n##_config = { \
.clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(n)), \
.clock_subsys = (clock_control_subsys_t)DT_INST_CLOCKS_CELL(n, name),\
.baud_rate = DT_INST_PROP(n, current_speed), \
.pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
IRQ_FUNC_INIT \
}
@ -317,6 +326,8 @@ static const struct mcux_iuart_config mcux_iuart_##n##_config = { \
CONFIG_SERIAL_INIT_PRIORITY, \
&mcux_iuart_driver_api); \
\
PINCTRL_DT_INST_DEFINE(n); \
\
IUART_MCUX_CONFIG_FUNC(n) \
\
IUART_MCUX_INIT_CFG(n);