test: spi_loopback: nxp: Add Flexio spi test support (dd90248a) · Commits · Wenxi XU / zephyr

drivers/spi/spi_mcux_flexio.c

+5 −5

Original line number	Diff line number	Diff line
		@@ -202,10 +202,10 @@ static void spi_flexio_master_init(FLEXIO_SPI_Type *base, flexio_spi_master_conf
		/* Low 8-bits are used to configure baud rate. */
		timerDiv = (uint16_t)(srcClock_Hz / masterConfig->baudRate_Bps);

		/* Add protection if the required band rate overflows.
		* FLEXIO input freq can't meet required band rate. Max band rate can
		/* Add protection if the required baud rate overflows.
		* FLEXIO input freq can't meet required baud rate. Max baud rate can
		* not exceed 1/4 of input freq. You can raise input freq or lower
		* bandrate required to remove this warning.
		* baud rate required to remove this warning.
		*/
		if (timerDiv < 4) {
		timerDiv = 4;
		@@ -214,7 +214,7 @@ static void spi_flexio_master_init(FLEXIO_SPI_Type *base, flexio_spi_master_conf
		timerDiv += timerDiv & 1UL;

		if (masterConfig->baudRate_Bps != (srcClock_Hz / timerDiv)) {
		LOG_WRN("Bandrate req:%uKbps, got:%uKbps",
		LOG_WRN("baud rate req:%uKbps, got:%uKbps",
		(uint32_t)(masterConfig->baudRate_Bps / 1000),
		(uint32_t)(srcClock_Hz / (timerDiv*1000)));
		}

tests/drivers/spi/spi_loopback/boards/mimxrt1170_evk_mimxrt1176_cm7_flexio_spi.overlay

0 → 100644

+55 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2025 NXP
		*
		* SPDX-License-Identifier: Apache-2.0
		*/

		&lpspi1 {
		dmas = <&edma0 0 36>, <&edma0 1 37>;
		dma-names = "rx", "tx";
		status = "disabled";
		};


		&pinctrl {
		pinmux_flexio2spi1: pinmux_flexio2spi1 {
		group0 {
		pinmux = <&iomuxc_gpio_ad_29_gpio9_io28>, /* cs */
		<&iomuxc_gpio_ad_28_flexio2_flexio28>, /* sck */
		<&iomuxc_gpio_ad_30_flexio2_flexio30>, /* sdo */
		<&iomuxc_gpio_ad_31_flexio2_flexio31>; /* sdi */
		drive-strength = "high";
		slew-rate = "slow";

		};
		};
		};


		&flexio2 {
		status = "okay";

		flexio2spi1: flexio2spi1 {
		compatible = "nxp,flexio-spi";
		cs-gpios = <&gpio9 28 GPIO_ACTIVE_LOW>;
		#address-cells = <1>;
		#size-cells = <0>;
		sdo-pin = <30>;
		sdi-pin = <31>;
		sck-pin = <28>;
		pinctrl-0 = <&pinmux_flexio2spi1>;
		pinctrl-names = "default";
		status = "okay";

		slow@0 {
		compatible = "test-spi-loopback-slow";
		reg = <0>;
		spi-max-frequency = <500000>;
		};
		fast@0 {
		compatible = "test-spi-loopback-fast";
		reg = <0>;
		spi-max-frequency = <16000000>;
		};
		};
		};

tests/drivers/spi/spi_loopback/overlay-mcux-flexio-spi.overlay

+11 −32

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2024, STRIM, ALC
		* Copyright (c) 2025, NXP
		*
		* SPDX-License-Identifier: Apache-2.0
		*/

		/* On RT1060 EVKC, SPI loopback test, short J17-9 and J17-10
		* On RT1064 EVK, SPI loopback test, short J24-9 and J24-10
		*/

		&pinctrl {
		pinmux_flexio3spi0: pinmux_flexio3spi0 {
		group0 {
		pinmux =
		<&iomuxc_gpio_ad_b0_03_gpio1_io03>, /* cs */
		<&iomuxc_gpio_ad_b1_10_flexio3_flexio10>, /* sck */
		<&iomuxc_gpio_ad_b1_01_flexio3_flexio01>, /* sdo */
		<&iomuxc_gpio_ad_b1_04_flexio3_flexio04>; /* sdi */
		drive-strength = "r0-6";
		slew-rate = "slow";
		nxp,speed = "150-mhz";
		};
		};
		pinmux_flexio3spi1: pinmux_flexio3spi1 {
		group0 {
		pinmux =
		<&iomuxc_gpio_ad_b0_02_gpio1_io02>, /* cs */
		<&iomuxc_gpio_ad_b1_11_flexio3_flexio11>, /* sck */
		<&iomuxc_gpio_ad_b1_00_flexio3_flexio00>, /* sdo */
		<&iomuxc_gpio_ad_b1_05_flexio3_flexio05>; /* sdi */
		<&iomuxc_gpio_ad_b1_01_flexio3_flexio01>; /* sdi */
		drive-strength = "r0-6";
		slew-rate = "slow";
		nxp,speed = "150-mhz";
		};
		};

		};

		&flexio3 {
		@@ -39,8 +33,8 @@
		#address-cells = <1>;
		#size-cells = <0>;
		cs-gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
		sdo-pin = <1>;
		sdi-pin = <4>;
		sdo-pin = <0>;
		sdi-pin = <1>;
		sck-pin = <10>;
		pinctrl-0 = <&pinmux_flexio3spi0>;
		pinctrl-names = "default";
		@@ -50,28 +44,13 @@
		reg = <0>;
		spi-max-frequency = <500000>;
		};
		};
		flexio3_spi1: flexio3_spi1 {
		compatible = "nxp,flexio-spi";
		status = "okay";
		#address-cells = <1>;
		#size-cells = <0>;
		cs-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
		sdo-pin = <0>;
		sdi-pin = <5>;
		sck-pin = <11>;
		pinctrl-0 = <&pinmux_flexio3spi1>;
		pinctrl-names = "default";

		fast@0 {
		status = "okay";
		compatible = "test-spi-loopback-fast";
		reg = <0>;
		spi-max-frequency = <4000000>;
		};
		spi-max-frequency = <16000000>;
		};
		};

		/* pinmux_lpspi3 overlaps pinmux_flexio3spi1 */
		&lpspi3 {
		status = "disabled";
		};

tests/drivers/spi/spi_loopback/testcase.yaml

+11 −2

Original line number	Diff line number	Diff line
		@@ -196,12 +196,21 @@ tests:
		extra_args: DTC_OVERLAY_FILE="overlay-mcux-flexio-spi.overlay"
		filter: CONFIG_DT_HAS_NXP_FLEXIO_ENABLED and
		CONFIG_DT_HAS_NXP_FLEXIO_SPI_ENABLED
		platform_allow: mimxrt1064_evk
		platform_allow:
		- mimxrt1064_evk
		- mimxrt1060_evk/mimxrt1062/qspi
		drivers.spi.mimxrt1170_evk_mimxrt1176_cm7_flexio_spi.loopback:
		extra_args: DTC_OVERLAY_FILE="boards/mimxrt1170_evk_mimxrt1176_cm7_flexio_spi.overlay"
		filter: CONFIG_DT_HAS_NXP_FLEXIO_ENABLED and
		CONFIG_DT_HAS_NXP_FLEXIO_SPI_ENABLED
		platform_allow:
		- mimxrt1170_evk/mimxrt1176/cm7
		drivers.spi.mimxrt1040evk_flexio_spi.loopback:
		extra_args: DTC_OVERLAY_FILE="boards/mimxrt1040_evk_flexio_spi.overlay"
		filter: CONFIG_DT_HAS_NXP_FLEXIO_ENABLED and
		CONFIG_DT_HAS_NXP_FLEXIO_SPI_ENABLED
		platform_allow: mimxrt1040_evk
		platform_allow:
		- mimxrt1040_evk
		drivers.spi.nrf54h_fast_2mhz:
		extra_args:
		- DTC_OVERLAY_FILE="boards/nrf54h20dk_nrf54h20_cpuapp_fast.overlay"

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