drivers: dma: siwx917: DMA driver Support

Following Zephyr APIs are supported by siwg91x DMA 1. dma_api_config 2. dma_api_reload 3. dma_api_start 4. dma_api_stop 5. dma_api_get_status Signed-off-by: Sai Santhosh Malae <[email protected]>
SiliconLabsSoftware · Nov 18, 2024 · 756f377 · 756f377
1 parent 16d7dd2
commit 756f377
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Showing 21 changed files with 1,213 additions and 4 deletions.
diff --git a/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.dts b/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.dts
@@ -82,6 +82,14 @@
 	};
 };
 
+&udma0 {
+	status = "disabled";
+};
+
+&udma1 {
+	status = "disabled";
+};
+
 &pinctrl0 {
 	ulpuart0_default: ulpuart0_default {
 		out {

diff --git a/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml b/boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml
@@ -11,6 +11,7 @@ toolchain:
 supported:
   - gpio
   - i2c
+  - dma
   - wifi
   - bluetooth
 vendor: silabs
diff --git a/drivers/CMakeLists.txt b/drivers/CMakeLists.txt
@@ -5,4 +5,5 @@ add_subdirectory(bluetooth)
 add_subdirectory(entropy)
 add_subdirectory(gpio)
 add_subdirectory(pinctrl)
+add_subdirectory(dma)
 add_subdirectory(wifi)
diff --git a/drivers/dma/CMakeLists.txt b/drivers/dma/CMakeLists.txt
@@ -0,0 +1,4 @@
+# Copyright (c) 2024 Silicon Laboratories Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library_sources_ifdef(CONFIG_DMA_SILABS_SIWX917 dma_silabs_siwx917.c)
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
@@ -0,0 +1,8 @@
+# Copyright (c) 2024 Silicon Laboratories Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+if DMA
+
+rsource "Kconfig.siwx917"
+
+endif
diff --git a/drivers/dma/Kconfig.siwx917 b/drivers/dma/Kconfig.siwx917
@@ -0,0 +1,14 @@
+# Copyright (c) 2024 Silicon Laboratories Inc.
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig DMA_SILABS_SIWX917
+	bool "Silabs SiWx917 DMA driver"
+	default y
+	depends on DT_HAS_SILABS_SIWX917_DMA_ENABLED
+	help
+	  Enable the HP/ULP DMA driver for the Silabs SiWx917 SoC series.
+
+config DMA_SILABS_SIWX917_COMMON_INIT_PRIORITY
+	int "Common initialization priority"
+	depends on DMA_SILABS_SIWX917
+	default 42