tests: drivers: spi: spi_loopback: add flexio_spi usage on RT1180

Increase latency for DMA/FLEXIO
Disable default lpspi3 instance
Configure flexio2_spi pin
Enable flexio2 as spi function

Signed-off-by: Lucien Zhao <[email protected]>

Author: lucien-nxp

tests/drivers/spi/spi_loopback/Kconfig

@@ -13,7 +13,7 @@ config SPI_LARGE_BUFFER_SIZE
 
 config SPI_IDEAL_TRANSFER_DURATION_SCALING
 	int "Scaling factor to compare ideal and measured SPI transfer duration"
-	default 40 if SPI_NXP_LPSPI_DMA
+	default 40 if SPI_NXP_LPSPI_DMA || SPI_MCUX_FLEXIO
 	default 8
 
 if SOC_SERIES_STM32H7X

tests/drivers/spi/spi_loopback/boards/mimxrt1180_evk_flexio_spi.overlay

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/* To test this sample, connect J41.4 <-> J41.6 */
+&lpspi3 {
+	status = "disabled";
+};
+
+&pinctrl {
+	pinmux_flexio2spi1: pinmux_flexio2spi1 {
+		group0 {
+			pinmux = <&iomuxc_gpio_ad_02_gpio4_io02>, /* cs */
+				 <&iomuxc_gpio_ad_03_flexio2_d03>, /* sdo */
+				 <&iomuxc_gpio_ad_04_flexio2_d04>, /* sdi */
+				 <&iomuxc_gpio_ad_05_flexio2_d05>; /* sck */
+			drive-strength = "high";
+			slew-rate = "slow";
+		};
+	};
+};
+
+&flexio2 {
+	status = "okay";
+
+	flexio2spi1: flexio2spi1 {
+		compatible = "nxp,flexio-spi";
+		cs-gpios = <&gpio4 2 GPIO_ACTIVE_LOW>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		sdo-pin = <3>;
+		sdi-pin = <4>;
+		sck-pin = <5>;
+		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/testcase.yaml

@@ -192,24 +192,22 @@ tests:
       - DTC_OVERLAY_FILE="boards/rpi_pico_pio.overlay"
       - EXTRA_CONF_FILE="overlay-rpi-pico-pio.conf"
     platform_allow: rpi_pico
-  drivers.spi.mcux_flexio_spi.loopback:
-    extra_args: DTC_OVERLAY_FILE="overlay-mcux-flexio-spi.overlay"
+  drivers.spi.flexio_spi.loopback:
+    extra_args:
+      - platform:mimxrt1170_evk/mimxrt1176/cm7:DTC_OVERLAY_FILE="boards/mimxrt1170_evk_mimxrt1176_cm7_flexio_spi.overlay"
+      - platform:mimxrt1180_evk/mimxrt1189/cm33:DTC_OVERLAY_FILE="boards/mimxrt1180_evk_flexio_spi.overlay"
+      - platform:mimxrt1180_evk/mimxrt1189/cm7:DTC_OVERLAY_FILE="boards/mimxrt1180_evk_flexio_spi.overlay"
+      - platform:mimxrt1064_evk:DTC_OVERLAY_FILE="overlay-mcux-flexio-spi.overlay"
+      - platform:mimxrt1060_evk/mimxrt1062/qspi:DTC_OVERLAY_FILE="overlay-mcux-flexio-spi.overlay"
+      - platform:mimxrt1040_evk: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:
+      - mimxrt1170_evk/mimxrt1176/cm7
+      - mimxrt1180_evk/mimxrt1189/cm33
+      - mimxrt1180_evk/mimxrt1189/cm7
       - 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
   drivers.spi.nrf54h_fast_2mhz:
     extra_args: