tests: dma: scatter_gather: Add xmc45/47_relax_kit overlay

Also add 0x prefix to print statement in test.

Signed-off-by: Andriy Gelman <[email protected]>

Author: talih0

tests/drivers/dma/scatter_gather/boards/xmc45_relax_kit.conf

@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Andriy Gelman
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_DMA_SG_XFER_SIZE=4096

tests/drivers/dma/scatter_gather/boards/xmc45_relax_kit.overlay

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 Andriy Gelman <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		dma0 = &dma0;
+	};
+};
+
+&dma0 {
+	status = "okay";
+};

tests/drivers/dma/scatter_gather/boards/xmc47_relax_kit.conf

@@ -0,0 +1,4 @@
+# Copyright (c) 2025 Andriy Gelman
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_DMA_SG_XFER_SIZE=4096

tests/drivers/dma/scatter_gather/boards/xmc47_relax_kit.overlay

@@ -0,0 +1,15 @@
+/*
+ * Copyright (c) 2025 Andriy Gelman <[email protected]>
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/ {
+	aliases {
+		dma0 = &dma0;
+	};
+};
+
+&dma0 {
+	status = "okay";
+};

tests/drivers/dma/scatter_gather/src/test_dma_sg.c

@@ -105,13 +105,13 @@ static int test_sg(void)
 #ifdef CONFIG_DMA_64BIT
 		dma_block_cfgs[i].source_address = (uint64_t)(tx_data);
 		dma_block_cfgs[i].dest_address = (uint64_t)(rx_data[i]);
-		TC_PRINT("dma block %d block_size %d, source addr %" PRIx64 ", dest addr %"
+		TC_PRINT("dma block %d block_size %d, source addr 0x%" PRIx64 ", dest addr 0x%"
 		     PRIx64 "\n", i, CONFIG_DMA_SG_XFER_SIZE, dma_block_cfgs[i].source_address,
 			 dma_block_cfgs[i].dest_address);
 #else
 		dma_block_cfgs[i].source_address = (uint32_t)(tx_data);
 		dma_block_cfgs[i].dest_address = (uint32_t)(rx_data[i]);
-		TC_PRINT("dma block %d block_size %d, source addr %x, dest addr %x\n",
+		TC_PRINT("dma block %d block_size %d, source addr 0x%x, dest addr 0x%x\n",
 			 i, CONFIG_DMA_SG_XFER_SIZE, dma_block_cfgs[i].source_address,
 			 dma_block_cfgs[i].dest_address);
 #endif

tests/drivers/dma/scatter_gather/testcase.yaml

@@ -12,6 +12,8 @@ tests:
       - lpcxpresso55s36
       - native_sim
       - native_sim/native/64
+      - xmc45_relax_kit
+      - xmc47_relax_kit
     filter: dt_alias_exists("dma0")
     integration_platforms:
       - intel_adsp/cavs25