drivers: spi: mchp_mss_qspi: Add reset support (2724a1e5) · Commits · Wenxi XU / zephyr

drivers/spi/spi_mchp_mss_qspi.c

+19 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,14 @@
		#include <zephyr/irq.h>

		LOG_MODULE_REGISTER(mss_qspi, CONFIG_SPI_LOG_LEVEL);

		/* Is MSS QSPI module 'resets' line property defined */
		#define MSS_QSPI_RESET_ENABLED DT_ANY_INST_HAS_PROP_STATUS_OKAY(resets)

		#if MSS_QSPI_RESET_ENABLED
		#include <zephyr/drivers/reset.h>
		#endif

		#include "spi_context.h"

		/MSS QSPI Register offsets /
		@@ -101,6 +109,9 @@ struct mss_qspi_config {
		void (irq_config_func)(const struct device dev);
		int irq;
		uint32_t clock_freq;
		#if MSS_QSPI_RESET_ENABLED
		struct reset_dt_spec reset_spec;
		#endif
		};

		/* Device run time data */
		@@ -555,6 +566,12 @@ static int mss_qspi_init(const struct device *dev)
		unsigned int ret = 0;
		uint32_t control = 0;

		#if MSS_QSPI_RESET_ENABLED
		if (cfg->reset_spec.dev != NULL) {
		(void)reset_line_deassert_dt(&cfg->reset_spec);
		}
		#endif

		cfg->irq_config_func(dev);

		control &= ~(MSS_QSPI_CONTROL_SAMPLE_MSK);
		@@ -587,6 +604,8 @@ static DEVICE_API(spi, mss_qspi_driver_api) = {
		.base = DT_INST_REG_ADDR(n), \
		.irq_config_func = mss_qspi_config_func_##n, \
		.clock_freq = DT_INST_PROP(n, clock_frequency), \
		IF_ENABLED(DT_INST_NODE_HAS_PROP(n, resets), \
		(.reset_spec = RESET_DT_SPEC_INST_GET(n),)) \
		}; \
		\
		static struct mss_qspi_data mss_qspi_data_##n = { \

+1 −1

Original line number	Diff line number	Diff line
		@@ -5,7 +5,7 @@ description: Microchip Polarfire SOC QSPI controller

		compatible: "microchip,mpfs-qspi"

		include: spi-controller.yaml
		include: [spi-controller.yaml, reset-device.yaml]

		properties:
		reg: