drivers: dma: siwx917: Add DMA driver

Implement DMA driver for siwx917 using UDMA peripheral. Following Zephyr DMA APIs are supported as part of this implementation, 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 29, 2024 · e3105fb · e3105fb
1 parent 39da958
commit e3105fb
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Showing 16 changed files with 567 additions and 1 deletion.
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -50,6 +50,12 @@ jobs:
         run: |
           west twister -s drivers.flash.common.default -p siwx917_rb4338a -x DTC_OVERLAY_FILE=$(pwd)/tests/drivers/flash/common/boards/siwx917_rb4338a.overlay -v --inline-logs
 
+      - name: Build DMA test
+        working-directory: zephyr-silabs
+        shell: bash
+        run: |
+          west twister -s drivers.dma.chan_blen_transfer -p siwx917_rb4338a -- -DTC_OVERLAY_FILE=$(pwd)/tests/drivers/dma/chan_blen_transfer/boards/siwx917_rb4338a.overlay -DEXTRA_CONF_FILE=$(pwd)/tests/drivers/dma/chan_blen_transfer/boards/siwx917_rb4338a.conf -v --inline-logs
+
       - name: Build Bluetooth samples
         working-directory: zephyr-silabs
         shell: bash

diff --git a/.github/workflows/upstream-build.yml b/.github/workflows/upstream-build.yml
@@ -55,6 +55,12 @@ jobs:
         run: |
           west twister -s drivers.flash.common.default -p siwx917_rb4338a -x DTC_OVERLAY_FILE=$(pwd)/tests/drivers/flash/common/boards/siwx917_rb4338a.overlay -v --inline-logs
 
+      - name: Build DMA test
+        working-directory: zephyr-silabs
+        shell: bash
+        run: |
+          west twister -s drivers.dma.chan_blen_transfer -p siwx917_rb4338a -- -DTC_OVERLAY_FILE=$(pwd)/tests/drivers/dma/chan_blen_transfer/boards/siwx917_rb4338a.overlay -DEXTRA_CONF_FILE=$(pwd)/tests/drivers/dma/chan_blen_transfer/boards/siwx917_rb4338a.conf -v --inline-logs
+
       - name: Build Bluetooth samples
         working-directory: zephyr-silabs
         shell: bash

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
   - flash

diff --git a/drivers/CMakeLists.txt b/drivers/CMakeLists.txt
@@ -6,4 +6,5 @@ add_subdirectory(entropy)
 add_subdirectory(flash)
 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 High Power(HP)/Ultra Low Power(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
-Original file line number
+Diff line change
@@ Expand Up / @@ -11,6 +11,7 @@ toolchain: @@
     supported:
       - gpio
       - i2c
+      - dma
       - wifi
       - bluetooth
       - flash
@@ Expand Down @@