tests: drivers: spi: Add support for RZ/G3S-SMARC

Enable SPI driver tests for RZ/G3S-SMARC

Signed-off-by: Quang Le <[email protected]>
Signed-off-by: Binh Nguyen <[email protected]>

Author: le-quang168

tests/drivers/spi/spi_loopback/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.conf

@@ -0,0 +1,6 @@
+CONFIG_SPI_ASYNC=y
+CONFIG_SPI_RENESAS_RZ_RSPI_INTERRUPT=y
+CONFIG_SPI_RENESAS_RZ_RSPI_DMAC=n
+CONFIG_SPI_RTIO=n
+CONFIG_SPI_LOOPBACK_MODE_LOOP=n
+CONFIG_SPI_LARGE_BUFFER_SIZE=2048

tests/drivers/spi/spi_loopback/boards/rzg3s_smarc_r9a08g045s33gbg_cm33.overlay

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2024 Renesas Electronics Corporation
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&spi0 {
+	dmas = <&dma0 6 RZ_DMA_PERIPH_TO_MEM>,
+	       <&dma0 5 RZ_DMA_MEM_TO_PERIPH>;
+	dma-names = "rx", "tx";
+	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 = <8333333>;
+	};
+};
+
+&dma0 {
+	status = "okay";
+	dma-buf-addr-alignment = <1>;
+};