From: Jacky Bai <ping.bai@nxp.com>
Date: Wed, 9 Sep 2020 02:02:47 +0000 (+0800)
Subject: LF-1383-21 arm64: dts: freescale: Add cm4 rproc support for imx8dxl
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~577^2~2^2~344
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=7d36be49a535482f1ff57c0823fc5784ef8eddb6;p=linux.git

LF-1383-21 arm64: dts: freescale: Add cm4 rproc support for imx8dxl

Add the cm4 rproc support for i.MX8DXL.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index 1c42858fe241..3a01f509088a 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -25,6 +25,16 @@
 		#size-cells = <2>;
 		ranges;
 
+		/*
+		 * 0x8800_0000 ~ 0x8FFF_FFFF is reserved for M4
+		 * Shouldn't be used at A core and Linux side.
+		 *
+		 */
+		m4_reserved: m4@0x88000000 {
+			no-map;
+			reg = <0 0x88000000 0 0x8000000>;
+		};
+
 		rpmsg_reserved: rpmsg@0x90200000 {
 			no-map;
 			reg = <0 0x90200000 0 0x200000>;
@@ -38,6 +48,36 @@
 			alloc-ranges = <0 0x98000000 0 0x14000000>;
 			linux,cma-default;
 		};
+
+		vdev0vring0: vdev0vring0@90000000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@90008000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90008000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring0: vdev1vring0@90010000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90010000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring1: vdev1vring1@90018000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90018000 0 0x8000>;
+			no-map;
+		};
+
+		vdevbuffer: vdevbuffer {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90400000 0 0x100000>;
+			no-map;
+		};
 	};
 
 	modem_reset: modem-reset {
@@ -63,6 +103,12 @@
 	status = "okay";
 };
 
+&imx8dxl_cm4 {
+	memory-region = <&vdev0vring0>, <&vdev0vring1>, <&vdevbuffer>,
+			<&vdev1vring0>, <&vdev1vring1>;
+	status = "disabled";
+};
+
 &i2c2 {
 	#address-cells = <1>;
 	#size-cells = <0>;
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
index 44e3aa6d0a38..e1bdb016a086 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
@@ -117,6 +117,21 @@
 		status = "disabled";
 	};
 
+	imx8dxl_cm4: imx8dxl_cm4@0 {
+		compatible = "fsl,imx8qxp-cm4";
+		rsc-da = <0x90000000>;
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&lsio_mu5 0 1
+			  &lsio_mu5 1 1
+			  &lsio_mu5 3 1>;
+		mub-partition = <3>;
+		core-index = <0>;
+		core-id = <IMX_SC_R_M4_0_PID0>;
+		status = "disabled";
+		power-domains = <&pd IMX_SC_R_M4_0_PID0>,
+				<&pd IMX_SC_R_M4_0_MU_1A>;
+	};
+
 	gic: interrupt-controller@51a00000 {
 		compatible = "arm,gic-v3";
 		reg = <0x0 0x51a00000 0 0x10000>, /* GIC Dist */