Commit ae58e60d authored by Luis Ubieda's avatar Luis Ubieda Committed by github-actions[bot]
Browse files

drivers: i2c_rtio: Use the NXP Flexcomm driver for interrupt handling 

The Low Power Flexcomm driver manages the interrupt handling
and provides an API to register interrupt callbacks.
Register the NXP LPI2C interrupt handler.

Applying dca6e64c93f26db254089f20225854bb1f8fe9b4 on RTIO-version.

Authored-by: default avatarMahesh Mahadevan <mahesh.mahadevan@nxp.com>
Signed-off-by: default avatarLuis Ubieda <luisf@croxel.com>
(cherry picked from commit c7a00248)
parent f6875982

drivers/i2c/i2c_mcux_lpi2c_rtio.c

+22 −0
Changes for drivers/i2c/i2c_mcux_lpi2c_rtio.c: 22 added lines, 0 removed lines.
Original line number Diff line number Diff line
@@ -16,6 +16,9 @@ 
#include <zephyr/kernel.h>

#include <zephyr/irq.h>

#include <fsl_lpi2c.h>

#if CONFIG_NXP_LP_FLEXCOMM

#include <zephyr/drivers/mfd/nxp_lp_flexcomm.h>

#endif



#include <zephyr/drivers/pinctrl.h>
@@ -40,6 +43,9 @@ LOG_MODULE_REGISTER(mcux_lpi2c); 


struct mcux_lpi2c_config {

	DEVICE_MMIO_NAMED_ROM(reg_base);

#ifdef CONFIG_NXP_LP_FLEXCOMM

	const struct device *parent_dev;

#endif

	const struct device *clock_dev;

	clock_control_subsys_t clock_subsys;

	void (*irq_config_func)(const struct device *dev);
@@ -327,7 +333,15 @@ static int mcux_lpi2c_init(const struct device *dev) 
		return error;

	}



#if CONFIG_NXP_LP_FLEXCOMM

	/* When using LP Flexcomm driver, register the interrupt handler

	 * so we receive notification from the LP Flexcomm interrupt handler.

	 */

	nxp_lp_flexcomm_setirqhandler(config->parent_dev, dev,

				      LP_FLEXCOMM_PERIPH_LPI2C, mcux_lpi2c_isr);

#else

	config->irq_config_func(dev);

#endif



	i2c_rtio_init(data->ctx, dev);
@@ -361,6 +375,13 @@ static const struct i2c_driver_api mcux_lpi2c_driver_api = { 
	IF_ENABLED(DT_INST_IRQ_HAS_IDX(n, 0),				\

		(I2C_MCUX_LPI2C_MODULE_IRQ_CONNECT(n)))



#ifdef CONFIG_NXP_LP_FLEXCOMM

#define PARENT_DEV(n)							\

	.parent_dev = DEVICE_DT_GET(DT_INST_PARENT(n)),

#else

#define PARENT_DEV(n)

#endif /* CONFIG_NXP_LP_FLEXCOMM */



#define I2C_MCUX_LPI2C_INIT(n)						\

	PINCTRL_DT_INST_DEFINE(n);					\

									\
@@ -368,6 +389,7 @@ static const struct i2c_driver_api mcux_lpi2c_driver_api = { 
									\

	static const struct mcux_lpi2c_config mcux_lpi2c_config_##n = {	\

		DEVICE_MMIO_NAMED_ROM_INIT(reg_base, DT_DRV_INST(n)),	\

		PARENT_DEV(n)						\

		.clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(n)),	\

		.clock_subsys =						\

			(clock_control_subsys_t)DT_INST_CLOCKS_CELL(n, name),\

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