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drivers: Update MCUX I2C RTIO driver with SDK changes #88315

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Merged
merged 4 commits into from
Apr 14, 2025
Merged

drivers: Update MCUX I2C RTIO driver with SDK changes #88315

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bdcc709
drivers: i2c_rtio: Use MCUX variations when using instance number
ubieda Apr 8, 2025
c57e120
drivers: i2c_rtio: Use flexcomm interface to manage interrupts
ubieda Apr 8, 2025
16043de
drivers: i2c_rtio: Use the NXP Flexcomm driver for interrupt handling
ubieda Apr 8, 2025
b4ee463
drivers: i2c_rtio: MCUX LPflexcomm determine by inst
ubieda Apr 14, 2025
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52 changes: 40 additions & 12 deletions drivers/i2c/i2c_mcux_lpi2c_rtio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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>

Expand Down Expand Up @@ -280,7 +283,11 @@ static void mcux_lpi2c_isr(const struct device *dev)
struct mcux_lpi2c_data *data = dev->data;
LPI2C_Type *base = (LPI2C_Type *)DEVICE_MMIO_NAMED_GET(dev, reg_base);

#if CONFIG_HAS_MCUX_FLEXCOMM
LPI2C_MasterTransferHandleIRQ(LPI2C_GetInstance(base), &data->handle);
#else
LPI2C_MasterTransferHandleIRQ(base, &data->handle);
#endif
}

static int mcux_lpi2c_init(const struct device *dev)
Expand Down Expand Up @@ -346,10 +353,41 @@ static DEVICE_API(i2c, mcux_lpi2c_driver_api) = {
#define I2C_MCUX_LPI2C_SDA_INIT(n)
#endif /* CONFIG_I2C_MCUX_LPI2C_BUS_RECOVERY */

#define I2C_MCUX_LPI2C_MODULE_IRQ_CONNECT(n) \
do { \
IRQ_CONNECT(DT_INST_IRQN(n), \
DT_INST_IRQ(n, priority), \
mcux_lpi2c_isr, \
DEVICE_DT_INST_GET(n), 0); \
irq_enable(DT_INST_IRQN(n)); \
} while (false)

#define I2C_MCUX_LPI2C_MODULE_IRQ(n) \
IF_ENABLED(DT_INST_IRQ_HAS_IDX(n, 0), \
(I2C_MCUX_LPI2C_MODULE_IRQ_CONNECT(n)))

/* When using LP Flexcomm driver, register the interrupt handler
* so we receive notification from the LP Flexcomm interrupt handler.
*/
#define I2C_MCUX_LPI2C_LPFLEXCOMM_IRQ_FUNC(n) \
nxp_lp_flexcomm_setirqhandler(DEVICE_DT_GET(DT_INST_PARENT(n)), \
DEVICE_DT_INST_GET(n), \
LP_FLEXCOMM_PERIPH_LPI2C, \
mcux_lpi2c_isr)

#define I2C_MCUX_LPI2C_IRQ_SETUP_FUNC(n) \
COND_CODE_1(DT_NODE_HAS_COMPAT(DT_INST_PARENT(n), \
nxp_lp_flexcomm), \
(I2C_MCUX_LPI2C_LPFLEXCOMM_IRQ_FUNC(n)), \
(I2C_MCUX_LPI2C_MODULE_IRQ(n)))

#define I2C_MCUX_LPI2C_INIT(n) \
PINCTRL_DT_INST_DEFINE(n); \
\
static void mcux_lpi2c_config_func_##n(const struct device *dev); \
static void mcux_lpi2c_config_func_##n(const struct device *dev)\
{ \
I2C_MCUX_LPI2C_IRQ_SETUP_FUNC(n); \
} \
\
static const struct mcux_lpi2c_config mcux_lpi2c_config_##n = { \
DEVICE_MMIO_NAMED_ROM_INIT(reg_base, DT_DRV_INST(n)), \
Expand Down Expand Up @@ -378,16 +416,6 @@ static DEVICE_API(i2c, mcux_lpi2c_driver_api) = {
&mcux_lpi2c_data_##n, \
&mcux_lpi2c_config_##n, POST_KERNEL, \
CONFIG_I2C_INIT_PRIORITY, \
&mcux_lpi2c_driver_api); \
\
static void mcux_lpi2c_config_func_##n(const struct device *dev)\
{ \
IRQ_CONNECT(DT_INST_IRQN(n), \
DT_INST_IRQ(n, priority), \
mcux_lpi2c_isr, \
DEVICE_DT_INST_GET(n), 0); \
\
irq_enable(DT_INST_IRQN(n)); \
}
&mcux_lpi2c_driver_api);

DT_INST_FOREACH_STATUS_OKAY(I2C_MCUX_LPI2C_INIT)