soc: nxp: mcxw: Enable EDMA

EmilioCBen · decsny · decsny · commit 0a764dfb94ce · 2025-08-19T19:29:05.000-05:00
Add DMA nodes for MCXW7X SOC DTS.
This SOC used TRIGMUX instead of DMAMUX.
Enable EDMAv3 for the frdm_mcxw71 and frdm_mcxw72
platforms.

Signed-off-by: Emilio Benavente &lt;emilio.benavente@nxp.com&gt;
Co-authored-by: Declan Snyder &lt;declan.snyder@nxp.com&gt;
diff --git a/boards/nxp/frdm_mcxw71/frdm_mcxw71.dts b/boards/nxp/frdm_mcxw71/frdm_mcxw71.dts
@@ -222,3 +222,7 @@
 &rtc {
 	status = "okay";
 };
+
+&edma {
+	status = "okay";
+};
diff --git a/boards/nxp/frdm_mcxw71/frdm_mcxw71.yaml b/boards/nxp/frdm_mcxw71/frdm_mcxw71.yaml
@@ -11,6 +11,7 @@ supported:
   - adc
   - can
   - counter
+  - dma
   - flash
   - flexio
   - gpio
diff --git a/boards/nxp/frdm_mcxw72/frdm_mcxw72_mcxw727c_cpu0.dts b/boards/nxp/frdm_mcxw72/frdm_mcxw72_mcxw727c_cpu0.dts
@@ -185,3 +185,7 @@
 		reg = <0x19>;
 	};
 };
+
+&edma {
+	status = "okay";
+};
diff --git a/boards/nxp/frdm_mcxw72/frdm_mcxw72_mcxw727c_cpu0.yaml b/boards/nxp/frdm_mcxw72/frdm_mcxw72_mcxw727c_cpu0.yaml
@@ -11,6 +11,7 @@ supported:
   - adc
   - can
   - counter
+  - dma
   - gpio
   - flexio
   - i2c
diff --git a/dts/arm/nxp/nxp_mcxw7x_common.dtsi b/dts/arm/nxp/nxp_mcxw7x_common.dtsi
@@ -179,6 +179,8 @@
 		reg = <0x38000 0x34>;
 		interrupts = <44 0>;
 		clocks = <&scg SCG_K4_FIRC_CLK 0xe0>;
+		dmas = <&edma 0 32>, <&edma 1 31>;
+		dma-names = "tx", "rx";
 		status = "disabled";
 	};
 
@@ -187,6 +189,8 @@
 		reg = <0x39000 0x34>;
 		interrupts = <45 0>;
 		clocks = <&scg SCG_K4_FIRC_CLK 0xe4>;
+		dmas = <&edma 2 34>, <&edma 3 33>;
+		dma-names = "tx", "rx";
 		status = "disabled";
 	};
 
@@ -379,6 +383,21 @@
 		prescaler = <32768>;
 	};
 
+	edma: dma-controller@2000 {
+		compatible = "nxp,mcux-edma";
+		#dma-cells = <2>;
+		nxp,version = <3>;
+		dma-channels = <16>;
+		dma-requests = <64>;
+		reg = <0x2000 0x140>;
+		clocks = <&scg SCG_K4_EDMA_CLK 0x410>;
+		interrupts = <2 0>, <3 0>, <4 0>, <5 0>,
+			<6 0>, <7 0>, <8 0>, <9 0>,
+			<10 0>, <11 0>, <12 0>, <13 0>,
+			<14 0>, <15 0>, <16 0>, <17 0>;
+		status = "disabled";
+	};
+
 	ewm0: ewm@13000 {
 		compatible = "nxp,ewm";
 		reg = <0x13000 0x6>;
@@ -400,7 +419,6 @@
 			status = "disabled";
 		};
 	};
-
 };
 
 &fast_peripheral0 {
diff --git a/include/zephyr/dt-bindings/clock/scg_k4.h b/include/zephyr/dt-bindings/clock/scg_k4.h
@@ -15,5 +15,6 @@
 #define SCG_K4_FIRC_CLK    7U
 #define SCG_K4_RTCOSC_CLK  8U
 #define SCG_K4_FLEXIO_CLK  9U
+#define SCG_K4_EDMA_CLK	   10U
 
 #endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_SCG_K4_H_ */
diff --git a/modules/hal_nxp/mcux/mcux-sdk-ng/drivers/drivers.cmake b/modules/hal_nxp/mcux/mcux-sdk-ng/drivers/drivers.cmake
@@ -56,7 +56,6 @@ set_variable_ifdef(CONFIG_DAC_MCUX_DAC          CONFIG_MCUX_COMPONENT_driver.dac
 set_variable_ifdef(CONFIG_DAC_MCUX_DAC12        CONFIG_MCUX_COMPONENT_driver.dac12)
 set_variable_ifdef(CONFIG_DAC_MCUX_DAC32        CONFIG_MCUX_COMPONENT_driver.dac32)
 set_variable_ifdef(CONFIG_DMA_MCUX_EDMA         CONFIG_MCUX_COMPONENT_driver.dmamux)
-set_variable_ifdef(CONFIG_DMA_MCUX_EDMA_V3      CONFIG_MCUX_COMPONENT_driver.dmamux)
 set_variable_ifdef(CONFIG_DMA_MCUX_EDMA         CONFIG_MCUX_COMPONENT_driver.edma)
 set_variable_ifdef(CONFIG_DMA_MCUX_EDMA_V3      CONFIG_MCUX_COMPONENT_driver.dma3)
 set_variable_ifdef(CONFIG_DMA_MCUX_EDMA_V4      CONFIG_MCUX_COMPONENT_driver.edma4)
@@ -222,6 +221,14 @@ if(CONFIG_SOC_FAMILY_MCXW OR CONFIG_SOC_MCXN947 OR CONFIG_SOC_MCXN547)
   set_variable_ifdef(CONFIG_SOC_FLASH_MCUX CONFIG_MCUX_COMPONENT_driver.flash_k4)
 endif()
 
+if(CONFIG_SOC_FAMILY_MCXW OR CONFIG_SOC_MCXN547)
+  if(CONFIG_DMA)
+    zephyr_include_directories(${MCUX_SDK_NG_DIR}/drivers/trgmux)
+    set_variable_ifdef(CONFIG_MBOX_NXP_IMX_MU	CONFIG_MCUX_COMPONENT_driver.mu)
+    set(CONFIG_MCUX_COMPONENT_driver.trgmux ON)
+  endif()
+endif()
+
 if(CONFIG_SOC_SERIES_LPC51U68 OR CONFIG_SOC_SERIES_LPC54XXX)
   set_variable_ifdef(CONFIG_SOC_FLASH_MCUX CONFIG_MCUX_COMPONENT_driver.iap)
 endif()
@@ -283,6 +290,13 @@ if(CONFIG_SOC_SERIES_IMXRT118X)
   set_variable_ifdef(CONFIG_WDT_MCUX_RTWDOG	CONFIG_MCUX_COMPONENT_driver.src_3)
 endif()
 
+if(${MCUX_DEVICE} MATCHES "S32K3")
+  if(CONFIG_DMA)
+    zephyr_include_directories(${MCUX_SDK_NG_DIR}/drivers/dmamux)
+    set(CONFIG_MCUX_COMPONENT_driver.dmamux ON)
+  endif()
+endif()
+
 if(CONFIG_SOC_FAMILY_MCXA)
   set(CONFIG_MCUX_COMPONENT_driver.romapi ON)
 endif()
diff --git a/soc/nxp/mcx/mcxw/soc.c b/soc/nxp/mcx/mcxw/soc.c
@@ -196,6 +196,10 @@ __weak void clock_init(void)
 		CLOCK_EnableClock(kCLOCK_Lpadc0);
 	}
 
+	if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(edma), nxp_mcux_edma, okay)) {
+		CLOCK_EnableClock(kCLOCK_Dma0);
+	}
+
 	if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(ewm0), nxp_ewm, okay)) {
 		CLOCK_EnableClock(kCLOCK_Ewm0);
 	}
diff --git a/tests/drivers/dma/loop_transfer/boards/frdm_mcxw71.overlay b/tests/drivers/dma/loop_transfer/boards/frdm_mcxw71.overlay
@@ -0,0 +1,7 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+tst_dma0: &edma { };
diff --git a/tests/drivers/dma/loop_transfer/boards/frdm_mcxw72_mcxw727c_cpu0.overlay b/tests/drivers/dma/loop_transfer/boards/frdm_mcxw72_mcxw727c_cpu0.overlay
@@ -0,0 +1,7 @@
+/*
+ * Copyright 2025 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+tst_dma0: &edma { };
diff --git a/tests/drivers/uart/uart_async_api/testcase.yaml b/tests/drivers/uart/uart_async_api/testcase.yaml
@@ -82,6 +82,7 @@ tests:
       - platform:frdm_mcxn236/mcxn236:"DTC_OVERLAY_FILE=nxp/dut_flexcomm2_lpuart2.overlay"
       - platform:frdm_mcxn947/mcxn947/cpu0:"DTC_OVERLAY_FILE=nxp/dut_flexcomm2_lpuart2.overlay"
       - platform:frdm_mcxn947/mcxn947/cpu0/qspi:"DTC_OVERLAY_FILE=nxp/dut_flexcomm2_lpuart2.overlay"
+      - platform:frdm_mcxw72/mcxw727c/cpu0:"DTC_OVERLAY_FILE=nxp/dut_lpuart1.overlay"
   drivers.uart.async_api.lpuart.rt_nocache:
     filter: CONFIG_SERIAL_SUPPORT_ASYNC and CONFIG_UART_MCUX_LPUART and CONFIG_CPU_HAS_DCACHE
     harness: ztest

-Original file line number
+Diff line change
   - adc
   - can
   - counter
 +  - dma
   - flash
   - flexio
   - gpio
Original file line number	Diff line number	Diff line change
`@@ -196,6 +196,10 @@ __weak void clock_init(void)`
`196`	`196`	`CLOCK_EnableClock(kCLOCK_Lpadc0);`
`197`	`197`	`}`
`198`	`198`
	`199`	`+ if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(edma), nxp_mcux_edma, okay)) {`
	`200`	`+ CLOCK_EnableClock(kCLOCK_Dma0);`
	`201`	`+ }`
	`202`	`+`
`199`	`203`	`if (DT_NODE_HAS_COMPAT_STATUS(DT_NODELABEL(ewm0), nxp_ewm, okay)) {`
`200`	`204`	`CLOCK_EnableClock(kCLOCK_Ewm0);`
`201`	`205`	`}`