[PATCH v3] arm64: dts: freescale: imx8mp-verdin: Add Cortex-M7 remoteproc

[Ernest Van Hoecke]

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

Describe the Cortex-M7 remote processor available on the Verdin iMX8M
Plus SoM.

Signed-off-by: Ernest Van Hoecke <ernest.vanhoecke@xxxxxxxxxxx>
---
This patch was previously part of the Verdin iMX8M OV5640 series and is
now sent separately, as requested on v2.
---
Changes in v3:
- Split out of the Verdin iMX8M OV5640 series (Frank)
- Move the UART_4 overlay to the shared Toradex Cortex-M UART series:
  https://lore.kernel.org/r/20261022-v1-imx95-overlays-v2-0-c769d6eb54fd@xxxxxxxxxxx
- Link to v2: https://lore.kernel.org/r/20261001-verdin-imx8mp-hmp-camera-ready-v2-0-7d1343ecd3ec@xxxxxxxxxxx

Changes in v2:
- Rebase
- Link to v1: https://lore.kernel.org/r/20260910-verdin-imx8mp-hmp-camera-ready-v1-0-3c9349ecdb9f@xxxxxxxxxxx
---
 arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi | 33 ++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
index 9fee2cf9ef54..45a4713c260f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
@@ -77,6 +77,18 @@ key-wakeup {
 		};
 	};
 
+	imx8mp-cm7 {
+		compatible = "fsl,imx8mp-cm7";
+		clocks = <&clk IMX8MP_CLK_M7_DIV>;
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&mu 0 1
+			  &mu 1 1
+			  &mu 3 1>;
+		memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>,
+				<&rsc_table>;
+		syscon = <&src>;
+	};
+
 	sound_hdmi: sound-hdmi {
 		compatible = "fsl,imx-audio-hdmi";
 		model = "audio-hdmi";
@@ -185,6 +197,27 @@ reserved-memory {
 
 		/* Use the kernel configuration settings instead */
 		/delete-node/ linux,cma;
+
+		vdev0vring0: vdev0vring0@55000000 {
+			reg = <0 0x55000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@55008000 {
+			reg = <0 0x55008000 0 0x8000>;
+			no-map;
+		};
+
+		rsc_table: rsc-table@550ff000 {
+			reg = <0 0x550ff000 0 0x1000>;
+			no-map;
+		};
+
+		vdev0buffer: vdev0buffer@55400000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x55400000 0 0x100000>;
+			no-map;
+		};
 	};
 };
 

---
base-commit: 7f47e8eafbf55a2ad0697e5d28f5e6cff2fa42f9
change-id: 20261020-verdin-imx8mp-m7-a69e26868741

Best regards,
-- 
Ernest Van Hoecke <ernest.vanhoecke@xxxxxxxxxxx>