linux-kernel - [PATCH v2 1/1] arm64: dts: imx8dxl-evk: add imx8dxl

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Date: Mon, 17 Jun 2024 14:47:07 -0400
From: Frank Li <Frank.Li@....com>
To: shawnguo2@...h.net
Cc: Frank.Li@....com,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	festevam@...il.com,
	imx@...ts.linux.dev,
	kernel@...gutronix.de,
	krzk+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	robh@...nel.org,
	s.hauer@...gutronix.de,
	shawnguo@...nel.org
Subject: [PATCH v2 1/1] arm64: dts: imx8dxl-evk: add imx8dxl_cm4, lsio mu5, related memory region

Add imx8dxl_cm4, lsio mu5 and related memory region.

Reviewed-by: Peng Fan <peng.fan@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
change from v1 to v2
- change to memory-vdevbuffer@...00000
- Add Peng Fan's review tag
---
 arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index 4ac96a0586294..1a74ac3ee4ee9 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -24,6 +24,19 @@ chosen {
 		stdout-path = &lpuart0;
 	};
 
+	imx8dxl-cm4 {
+		compatible = "fsl,imx8qxp-cm4";
+		clocks = <&clk_dummy>;
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&lsio_mu5 0 1 &lsio_mu5 1 1 &lsio_mu5 3 1>;
+		memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,
+				<&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;
+		power-domains = <&pd IMX_SC_R_M4_0_PID0>, <&pd IMX_SC_R_M4_0_MU_1A>;
+		fsl,resource-id = <IMX_SC_R_M4_0_PID0>;
+		fsl,entry-address = <0x34fe0000>;
+	};
+
+
 	memory@...00000 {
 		device_type = "memory";
 		reg = <0x00000000 0x80000000 0 0x40000000>;
@@ -51,6 +64,37 @@ linux,cma {
 			alloc-ranges = <0 0x98000000 0 0x14000000>;
 			linux,cma-default;
 		};
+
+		vdev0vring0: memory0@...00000 {
+			reg = <0 0x90000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: memory@...08000 {
+			reg = <0 0x90008000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring0: memory@...10000 {
+			reg = <0 0x90010000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring1: memory@...18000 {
+			reg = <0 0x90018000 0 0x8000>;
+			no-map;
+		};
+
+		rsc_table: memory-rsc-table@...ff000 {
+			reg = <0 0x900ff000 0 0x1000>;
+			no-map;
+		};
+
+		vdevbuffer: memory-vdevbuffer@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90400000 0 0x100000>;
+			no-map;
+		};
 	};
 
 	m2_uart1_sel: regulator-m2uart1sel {
@@ -505,6 +549,10 @@ &lpuart1 {
 	status = "okay";
 };
 
+&lsio_mu5 {
+	status = "okay";
+};
+
 &flexcan2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_flexcan2>;
-- 
2.34.1