tests: spi_loopback: Rework test

* Move test to using devicetree for various "device" params.
* Move test to using spi_dt_spec to simplify code

Signed-off-by: Kumar Gala <galak@kernel.org>

tests/drivers/spi/spi_loopback/Kconfig

@@ -4,34 +4,5 @@ mainmenu "SPI Loopback Test"
 
 source "Kconfig.zephyr"
 
-config SPI_LOOPBACK_DRV_NAME
-	string "SPI device name to use for test"
-
-config SPI_LOOPBACK_CS_GPIO
-	bool "SPI port CS pin is controlled via a GPIO port during test"
-	depends on GPIO
-
-config SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME
-	string "The GPIO port which is used to control CS"
-	depends on SPI_LOOPBACK_CS_GPIO
-	default "GPIO_0"
-
-config SPI_LOOPBACK_CS_CTRL_GPIO_PIN
-	int "The GPIO PIN which is used to act as a CS pin"
-	depends on SPI_LOOPBACK_CS_GPIO
-	default 0
-
-config SPI_LOOPBACK_SLAVE_NUMBER
-	int "Slave number from 0 to host controller slave limit"
-	default 0
-
-config SPI_LOOPBACK_SLOW_FREQ
-	int "The frequency in Hz to use when testing in slow mode"
-	default 500000
-
-config SPI_LOOPBACK_FAST_FREQ
-	int "The frequency in Hz to use when testing in fast mode"
-	default 16000000
-
 config SPI_LOOPBACK_MODE_LOOP
 	bool "Configure the SPI in LOOP mode, so that no extra wiring is needed"

tests/drivers/spi/spi_loopback/boards/96b_carbon.conf

@@ -1,2 +1 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_2"
 CONFIG_SPI_STM32_INTERRUPT=y

tests/drivers/spi/spi_loopback/boards/96b_carbon.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi2 {
+	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/boards/96b_stm32_sensor_mez.conf

@@ -1,4 +0,0 @@
-CONFIG_SPI_LOOPBACK_CS_GPIO=y
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIOE"
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=11
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_4"

tests/drivers/spi/spi_loopback/boards/96b_stm32_sensor_mez.overlay

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi4 {
+	cs-gpios = <&gpioe 11 GPIO_ACTIVE_LOW>;
+	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/boards/adafruit_itsybitsy_m4_express.conf

@@ -1,5 +1,2 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SERCOM1"
+CONFIG_GPIO=y
 CONFIG_SPI_LOOPBACK_MODE_LOOP=y
-CONFIG_SPI_LOOPBACK_CS_GPIO=y
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="PORTA"
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=7

tests/drivers/spi/spi_loopback/boards/adafruit_itsybitsy_m4_express.overlay

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&sercom1 {
+	cs-gpios = <&porta 7 GPIO_ACTIVE_LOW>;
+	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/boards/arduino_zero.conf

@@ -1,4 +1,2 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SERCOM4"
+CONFIG_GPIO=y
-CONFIG_SPI_LOOPBACK_CS_GPIO=y
+CONFIG_SPI_ASYNC=n
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="PINMUX_A"
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=3

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

@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&sercom4 {
+	cs-gpios = <&porta 3 GPIO_ACTIVE_LOW>;
+	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/boards/arty_a7_arm_designstart_m1.conf

@@ -4,5 +4,4 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-CONFIG_SPI_LOOPBACK_DRV_NAME="DAPLINK_SINGLE_SPI_0"
 CONFIG_SPI_LOOPBACK_MODE_LOOP=y

tests/drivers/spi/spi_loopback/boards/arty_a7_arm_designstart_m1.overlay

@@ -6,4 +6,14 @@
 
 &daplink_single_spi0 {
 	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/boards/atsamd21_xpro.conf

@@ -1,2 +1 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SERCOM5"
+CONFIG_SPI_ASYNC=n
-CONFIG_SPI_LOOPBACK_CS_GPIO=n

tests/drivers/spi/spi_loopback/boards/atsamd21_xpro.overlay

@@ -8,4 +8,14 @@
 	/* Internally connect MOSI to MISO for loop-back operation */
 	dipo = <0>;
 	dopo = <0>;
+	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/boards/atsame54_xpro.conf

@@ -1,2 +0,0 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"
-CONFIG_SPI_LOOPBACK_CS_GPIO=n

tests/drivers/spi/spi_loopback/boards/atsame54_xpro.overlay

@@ -8,4 +8,14 @@
 	/* Internally connect MOSI to MISO for loop-back operation */
 	dipo = <3>;
 	dopo = <2>;
+	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/boards/atsamr21_xpro.conf

@@ -1,2 +1 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"
+CONFIG_SPI_ASYNC=n
-CONFIG_SPI_LOOPBACK_CS_GPIO=n

tests/drivers/spi/spi_loopback/boards/atsamr21_xpro.overlay

@@ -8,4 +8,14 @@
 	/* Internally connect MOSI to MISO for loop-back operation */
 	dipo = <0>;
 	dopo = <0>;
+	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/boards/b_u585i_iot02a.overlay

@@ -7,3 +7,16 @@
 &rcc {
 	apb2-prescaler = <2>;
 };
+
+&spi1 {
+	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/boards/cc1352r1_launchxl.conf

@@ -1,8 +1,3 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"
-
-CONFIG_SPI_LOOPBACK_SLOW_FREQ=2000000
-CONFIG_SPI_LOOPBACK_FAST_FREQ=3000000
-
 CONFIG_SPI_LOOPBACK_MODE_LOOP=y
 
 #The driver does not yet have async support

tests/drivers/spi/spi_loopback/boards/cc1352r1_launchxl.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi0 {
+	slow@0 {
+		compatible = "test-spi-loopback-slow";
+		reg = <0>;
+		spi-max-frequency = <2000000>;
+	};
+	fast@0 {
+		compatible = "test-spi-loopback-fast";
+		reg = <0>;
+		spi-max-frequency = <3000000>;
+	};
+};

tests/drivers/spi/spi_loopback/boards/cy8ckit_062_ble_m0.conf

@@ -1 +0,0 @@
-CONFIG_GPIO=y

tests/drivers/spi/spi_loopback/boards/em_starterkit.conf

@@ -1,2 +0,0 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"
-CONFIG_SPI_LOOPBACK_SLOW_FREQ=128000

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

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi0 {
+	slow@0 {
+		compatible = "test-spi-loopback-slow";
+		reg = <0>;
+		spi-max-frequency = <128000>;
+	};
+	fast@0 {
+		compatible = "test-spi-loopback-fast";
+		reg = <0>;
+		spi-max-frequency = <16000000>;
+	};
+};

tests/drivers/spi/spi_loopback/boards/esp32.conf

@@ -1,2 +1 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_3"
 CONFIG_SPI_ESP32_INTERRUPT=y

tests/drivers/spi/spi_loopback/boards/esp32.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi3 {
+	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/boards/esp32c3_devkitm.conf

@@ -1,2 +1 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_2"
 CONFIG_SPI_ESP32_INTERRUPT=y

tests/drivers/spi/spi_loopback/boards/esp32c3_devkitm.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi2 {
+	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/boards/esp32s2_saola.conf

@@ -1,2 +1 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_3"
 CONFIG_SPI_ESP32_INTERRUPT=y

tests/drivers/spi/spi_loopback/boards/esp32s2_saola.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi3 {
+	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/boards/frdm_k64f.conf

@@ -1,7 +0,0 @@
-#
-# Copyright (c) 2018, NXP
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"

tests/drivers/spi/spi_loopback/boards/frdm_k64f.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi0 {
+	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/boards/frdm_kw41z.conf

@@ -1,9 +0,0 @@
-#
-# Copyright (c) 2018, NXP
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"
-CONFIG_SPI_LOOPBACK_SLOW_FREQ=5000
-CONFIG_SPI_LOOPBACK_FAST_FREQ=160000

tests/drivers/spi/spi_loopback/boards/frdm_kw41z.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi0 {
+	slow@0 {
+		compatible = "test-spi-loopback-slow";
+		reg = <0>;
+		spi-max-frequency = <5000>;
+	};
+	fast@0 {
+		compatible = "test-spi-loopback-fast";
+		reg = <0>;
+		spi-max-frequency = <160000>;
+	};
+};

tests/drivers/spi/spi_loopback/boards/lpcxpresso54114_m4.conf

@@ -1,8 +0,0 @@
-#
-# Copyright (c) 2019, NXP
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="FLEXCOMM_5"
-CONFIG_SPI_LOOPBACK_SLAVE_NUMBER=2

tests/drivers/spi/spi_loopback/boards/lpcxpresso54114_m4.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&flexcomm5 {
+	slow@2 {
+		compatible = "test-spi-loopback-slow";
+		reg = <2>;
+		spi-max-frequency = <500000>;
+	};
+	fast@2 {
+		compatible = "test-spi-loopback-fast";
+		reg = <2>;
+		spi-max-frequency = <16000000>;
+	};
+};

tests/drivers/spi/spi_loopback/boards/lpcxpresso55s16.conf

@@ -1,10 +0,0 @@
-#
-# Copyright (c) 2020 Henrik Brix Andersen <henrik@brixandersen.dk>
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="HS_LSPI"
-CONFIG_SPI_LOOPBACK_SLAVE_NUMBER=1
-CONFIG_SPI_LOOPBACK_SLOW_FREQ=5000
-CONFIG_SPI_LOOPBACK_FAST_FREQ=160000

tests/drivers/spi/spi_loopback/boards/lpcxpresso55s16.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&hs_lspi {
+	slow@1 {
+		compatible = "test-spi-loopback-slow";
+		reg = <1>;
+		spi-max-frequency = <5000>;
+	};
+	fast@1 {
+		compatible = "test-spi-loopback-fast";
+		reg = <1>;
+		spi-max-frequency = <160000>;
+	};
+};

tests/drivers/spi/spi_loopback/boards/lpcxpresso55s69_cpu0.conf

@@ -3,8 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="HS_LSPI"
-CONFIG_SPI_LOOPBACK_SLAVE_NUMBER=1
 CONFIG_SPI_MCUX_FLEXCOMM_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/lpcxpresso55s69_cpu0.overlay

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+&hs_lspi {
+	/delete-property/ cs-gpios;
+	slow@1 {
+		compatible = "test-spi-loopback-slow";
+		reg = <1>;
+		spi-max-frequency = <5000>;
+	};
+	fast@1 {
+		compatible = "test-spi-loopback-fast";
+		reg = <1>;
+		spi-max-frequency = <160000>;
+	};
+};

tests/drivers/spi/spi_loopback/boards/mimxrt1010_evk.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_MCUX_LPSPI_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt1010_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	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/boards/mimxrt1015_evk.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_MCUX_LPSPI_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt1015_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	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/boards/mimxrt1020_evk.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_MCUX_LPSPI_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt1020_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	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/boards/mimxrt1024_evk.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_MCUX_LPSPI_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt1024_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	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/boards/mimxrt1050_evk.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_MCUX_LPSPI_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt1050_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	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/boards/mimxrt1060_evk.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_MCUX_LPSPI_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt1060_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	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/boards/mimxrt1064_evk.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_MCUX_LPSPI_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt1064_evk.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi1 {
+	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/boards/mimxrt595_evk_cm33.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="HS_LSPI_1"
 CONFIG_SPI_MCUX_FLEXCOMM_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt595_evk_cm33.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&hs_lspi1 {
+	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/boards/mimxrt685_evk_cm33.conf

@@ -3,7 +3,5 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 #
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="FLEXCOMM_5"
 CONFIG_SPI_MCUX_FLEXCOMM_DMA=y
 CONFIG_SPI_ASYNC=n

tests/drivers/spi/spi_loopback/boards/mimxrt685_evk_cm33.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&flexcomm5 {
+	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/boards/nrf51dk_nrf51422.conf

@@ -1,4 +0,0 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
-CONFIG_SPI_LOOPBACK_CS_GPIO=y
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIO_0"
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=28

tests/drivers/spi/spi_loopback/boards/nrf51dk_nrf51422.overlay

@@ -6,4 +6,15 @@
 
 &spi1 {
 	overrun-character = <0x00>;
+	cs-gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
+	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/boards/nrf52840dk_nrf52840.conf

@@ -1,4 +0,0 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_3"
-CONFIG_SPI_LOOPBACK_CS_GPIO=y
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIO_0"
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=28

tests/drivers/spi/spi_loopback/boards/nrf52840dk_nrf52840.overlay

@@ -7,4 +7,15 @@
 &spi3 {
 	overrun-character = <0x00>;
 	rx-delay = <1>;
+	cs-gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
+	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/boards/nrf52dk_nrf52832.conf

@@ -1,4 +0,0 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
-CONFIG_SPI_LOOPBACK_CS_GPIO=y
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIO_0"
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=28

tests/drivers/spi/spi_loopback/boards/nrf52dk_nrf52832.overlay

@@ -6,4 +6,15 @@
 
 &spi1 {
 	overrun-character = <0x00>;
+	cs-gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
+	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/boards/nrf9160dk_nrf9160.conf

@@ -1,4 +0,0 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_3"
-CONFIG_SPI_LOOPBACK_CS_GPIO=y
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_DRV_NAME="GPIO_0"
-CONFIG_SPI_LOOPBACK_CS_CTRL_GPIO_PIN=16

tests/drivers/spi/spi_loopback/boards/nrf9160dk_nrf9160.overlay

@@ -6,4 +6,15 @@
 
 &spi3 {
 	overrun-character = <0x00>;
+	cs-gpios = <&gpio0 16 GPIO_ACTIVE_LOW>;
+	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/boards/nucleo_f207zg.overlay

@@ -12,6 +12,16 @@
 
 &spi1 {
 	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>;
+	};
 };
 
 &dma2 {

tests/drivers/spi/spi_loopback/boards/nucleo_f302r8.conf

@@ -1,2 +1 @@
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_2"
 CONFIG_SPI_STM32_INTERRUPT=y

tests/drivers/spi/spi_loopback/boards/nucleo_f302r8.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi2 {
+	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/boards/nucleo_f411re.overlay

@@ -12,6 +12,16 @@
 
 &spi1 {
 	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>;
+	};
 };
 
 &dma2 {

tests/drivers/spi/spi_loopback/boards/nucleo_f429zi.overlay

@@ -12,6 +12,16 @@
 
 &spi1 {
 	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>;
+	};
 };
 
 &dma2 {

tests/drivers/spi/spi_loopback/boards/nucleo_f746zg.overlay

@@ -11,6 +11,16 @@
 		&dma1 3 0 0x28480 0x03>;
 	dma-names = "tx", "rx";
 	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_f767zi.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dma2 5 3 0x28440 0x03
 		&dma2 2 3 0x28480 0x03>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma2 {

tests/drivers/spi/spi_loopback/boards/nucleo_g0b1re.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 2 17 0x20440
 		&dmamux1 1 16 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_g431rb.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 0 11 0x20440
 		&dmamux1 1 10 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_g474re.overlay

@@ -17,6 +17,16 @@
 	dmas = <&dmamux1 0 11 0x20440
 		&dmamux1 8 10 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_h723zg.overlay

@@ -15,4 +15,14 @@
 	/delete-property/ clocks;
 	clocks = <&rcc STM32_CLOCK_BUS_APB2 0x00001000>,
 		 <&rcc STM32_SRC_PLL1_Q SPI123_SEL(0)>;
+	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/boards/nucleo_h743zi.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 0 38 0x20440
 		&dmamux1 1 37 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_l152re.overlay

@@ -11,6 +11,16 @@
 		&dma1 2 0x20480>;
 	dma-names = "tx", "rx";
 	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_l476rg.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dma1 3 1 0x20440
 		&dma1 2 1 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_l4r5zi.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 0 11 0x20440
 		&dmamux1 7 10 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_l552ze_q.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 0 12 0x440
 		&dmamux1 7 11 0x480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_u575zi_q.overlay

@@ -7,3 +7,16 @@
 &rcc {
 	apb2-prescaler = <2>;
 };
+
+&spi1 {
+	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/boards/nucleo_wb55rg.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 11 7 0x20440
 		&dmamux1 1 6 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/nucleo_wl55jc.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 11 8 0x20440
 		&dmamux1 1 7 0x20480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/olimex_esp32_evb.conf

@@ -1,3 +1,2 @@
 # Loopback on UEXT connector
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_2"
 CONFIG_SPI_ESP32_INTERRUPT=y

tests/drivers/spi/spi_loopback/boards/olimex_esp32_evb.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi2 {
+	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/boards/rv32m1_vega_ri5cy.conf

@@ -1,8 +0,0 @@
-#
-# Copyright (c) 2018, NXP
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"
-CONFIG_SPI_LOOPBACK_SLAVE_NUMBER=2

tests/drivers/spi/spi_loopback/boards/rv32m1_vega_ri5cy.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi0 {
+	slow@2 {
+		compatible = "test-spi-loopback-slow";
+		reg = <2>;
+		spi-max-frequency = <500000>;
+	};
+	fast@2 {
+		compatible = "test-spi-loopback-fast";
+		reg = <2>;
+		spi-max-frequency = <16000000>;
+	};
+};

tests/drivers/spi/spi_loopback/boards/stm32l562e_dk.overlay

@@ -8,6 +8,16 @@
 	dmas = <&dmamux1 0 12 0x440
 		&dmamux1 7 11 0x480>;
 	dma-names = "tx", "rx";
+	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>;
+	};
 };
 
 &dma1 {

tests/drivers/spi/spi_loopback/boards/stm32mp157c_dk2.conf

@@ -1,7 +0,0 @@
-#
-# Copyright (c) 2019, STMicroelectronics
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_4"

tests/drivers/spi/spi_loopback/boards/stm32mp157c_dk2.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi4 {
+	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/boards/tlsr9518adk80d.conf

@@ -1,7 +0,0 @@
-#
-# Copyright (c) 2021 Telink Semiconductor
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="PSPI"

tests/drivers/spi/spi_loopback/boards/tlsr9518adk80d.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pspi {
+	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/boards/twr_ke18f.conf

@@ -1,7 +0,0 @@
-#
-# Copyright (c) 2019 Vestas Wind Systems A/S
-#
-# SPDX-License-Identifier: Apache-2.0
-#
-
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_0"

tests/drivers/spi/spi_loopback/boards/twr_ke18f.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&lpspi0 {
+	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/dts/bindings/test-spi-loopback-fast.yaml

@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+description: |
+    This binding provides resources required to build and run the
+    tests/drivers/spi/spi_loopback test in Zephyr.
+
+compatible: "test-spi-loopback-fast"
+
+include: [spi-device.yaml]

tests/drivers/spi/spi_loopback/dts/bindings/test-spi-loopback-slow.yaml

@@ -0,0 +1,13 @@
+#
+# Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+description: |
+    This binding provides resources required to build and run the
+    tests/drivers/spi/spi_loopback test in Zephyr.
+
+compatible: "test-spi-loopback-slow"
+
+include: [spi-device.yaml]

tests/drivers/spi/spi_loopback/overlay-mcux-dspi-dma.conf

@@ -2,4 +2,3 @@
 CONFIG_DMA=y
 CONFIG_DSPI_MCUX_EDMA=y
 CONFIG_MCUX_DSPI_BUFFER_SIZE=144
-CONFIG_SPI_LOOPBACK_FAST_FREQ=1000000

tests/drivers/spi/spi_loopback/overlay-mcux-dspi-dma.overlay

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2022 Kumar Gala <galak@kernel.org>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi0 {
+	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 = <1000000>;
+	};
+};

tests/drivers/spi/spi_loopback/overlay-stm32-spi-dma.conf

@@ -1,5 +1,4 @@
 # enable DMA mode for SPI loopback test
-CONFIG_SPI_LOOPBACK_DRV_NAME="SPI_1"
 CONFIG_SPI_STM32_DMA=y
 CONFIG_SPI_STM32_INTERRUPT=n
 CONFIG_SPI_ASYNC=n