[PATCH 2/3] arm64: dts: freescale: imx8x-colibri: Add Cortex-M4 remoteproc support

[Ernest Van Hoecke]

From: Ernest Van Hoecke <ernest.vanhoecke@xxxxxxxxxxx>

Describe the Cortex-M4 remote processor available on the Colibri iMX8X.
Use the same entry address and memory layout as the iMX8QXP MEK.

Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@xxxxxxxxxxx>
---
 arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi | 47 ++++++++++++++++++++++++
 1 file changed, 47 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
index 2415487d3a5d..b71bffb9dad4 100644
--- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
@@ -86,6 +86,18 @@ reg_usbh_vbus: regulator-usbh-vbus {
 		regulator-name = "usbh_vbus";
 	};
 
+	imx8x_cm4: remoteproc-cm4 {
+		compatible = "fsl,imx8qxp-cm4";
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&lsio_mu5 0 1>, <&lsio_mu5 1 1>, <&lsio_mu5 3 1>;
+		memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>,
+				<&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;
+		power-domains = <&pd IMX_SC_R_M4_0_PID0>,
+				<&pd IMX_SC_R_M4_0_MU_1A>;
+		fsl,entry-address = <0x34fe0000>;
+		fsl,resource-id = <IMX_SC_R_M4_0_PID0>;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -97,6 +109,37 @@ linux,cma {
 			reusable;
 			size = <0 0x1a000000>;
 		};
+
+		vdev0vring0: vdev0vring0@90000000 {
+			reg = <0 0x90000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@90008000 {
+			reg = <0 0x90008000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring0: vdev1vring0@90010000 {
+			reg = <0 0x90010000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring1: vdev1vring1@90018000 {
+			reg = <0 0x90018000 0 0x8000>;
+			no-map;
+		};
+
+		rsc_table: rsc-table@900ff000 {
+			reg = <0 0x900ff000 0 0x1000>;
+			no-map;
+		};
+
+		vdev0buffer: vdev0buffer@90400000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x90400000 0 0x100000>;
+			no-map;
+		};
 	};
 
 	sound-card {
@@ -487,6 +530,10 @@ &lsio_pwm2 {
 	pinctrl-names = "default";
 };
 
+&lsio_mu5 {
+	status = "okay";
+};
+
 /* VPU Mailboxes */
 &mu_m0 {
 	status = "okay";

-- 
2.43.0