linux-kernel - [PATCH v4 5/8] arm64: dts: imx8qm-mek: add cm4 remote-proc and related memory region

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Date: Mon, 01 Jul 2024 11:03:31 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Dong Aisheng <aisheng.dong@....com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Frank Li <Frank.Li@....com>, Peng Fan <peng.fan@....com>
Subject: [PATCH v4 5/8] arm64: dts: imx8qm-mek: add cm4 remote-proc and
 related memory region

Add two cm4 remote-proc and related memory regions.

Reviewed-by: Peng Fan <peng.fan@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 93 ++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 778741dbbb338..fcd904383daff 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -31,6 +31,68 @@ memory@...00000 {
 		reg = <0x00000000 0x80000000 0 0x40000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		vdev0vring0: memory@...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_table0: memory@...ff000 {
+			reg = <0 0x900ff000 0 0x1000>;
+			no-map;
+		};
+
+		vdev2vring0: memory@...00000 {
+			reg = <0 0x90100000 0 0x8000>;
+			no-map;
+		};
+
+		vdev2vring1: memory@...08000 {
+			reg = <0 0x90108000 0 0x8000>;
+			no-map;
+		};
+
+		vdev3vring0: memory@...10000 {
+			reg = <0 0x90110000 0 0x8000>;
+			no-map;
+		};
+
+		vdev3vring1: memory@...18000 {
+			reg = <0 0x90118000 0 0x8000>;
+			no-map;
+		};
+
+		rsc_table1: memory@...ff000 {
+			reg = <0 0x901ff000 0 0x1000>;
+			no-map;
+		};
+
+		vdevbuffer: memory@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90400000 0 0x100000>;
+			no-map;
+		};
+	};
+
 	reg_usdhc2_vmmc: usdhc2-vmmc {
 		compatible = "regulator-fixed";
 		regulator-name = "SD1_SPWR";
@@ -133,6 +195,37 @@ sound-wm8960 {
 				"LINPUT1", "Mic Jack",
 				"Mic Jack", "MICB";
 	};
+
+	imx8qm-cm4-0 {
+		compatible = "fsl,imx8qm-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_table0>;
+		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>;
+	};
+
+	imx8qm-cm4-1 {
+		compatible = "fsl,imx8qm-cm4";
+		clocks = <&clk_dummy>;
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&lsio_mu6 0 1
+			  &lsio_mu6 1 1
+			  &lsio_mu6 3 1>;
+		memory-region = <&vdevbuffer>, <&vdev2vring0>, <&vdev2vring1>,
+				<&vdev3vring0>, <&vdev3vring1>, <&rsc_table1>;
+		power-domains = <&pd IMX_SC_R_M4_1_PID0>, <&pd IMX_SC_R_M4_1_MU_1A>;
+
+		fsl,resource-id = <IMX_SC_R_M4_1_PID0>;
+		fsl,entry-address = <0x38fe0000>;
+	};
+
 };
 
 &adc0 {

-- 
2.34.1