linux-kernel - [PATCH v4 5/5] arm64: dts: imx95-19x19-evk: Add CM7 nodes and vdev related memory regions

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Message-Id: <20250710-imx95-rproc-1-v4-5-a7123e857dfb@nxp.com>
Date: Thu, 10 Jul 2025 20:08:05 +0800
From: Peng Fan <peng.fan@....com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Mathieu Poirier <mathieu.poirier@...aro.org>, 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>, Frank Li <frank.li@....com>, 
 Daniel Baluta <daniel.baluta@....com>, 
 Iuliana Prodan <iuliana.prodan@....com>
Cc: linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org, 
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Peng Fan <peng.fan@....com>
Subject: [PATCH v4 5/5] arm64: dts: imx95-19x19-evk: Add CM7 nodes and vdev
 related memory regions

Add CM7 nodes, vdev related memory regions for remoteproc.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 41 +++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 2f949a0d48d2d8066388884703c3b3cd678f16e1..3f047cbba29671fc31c9048a3eb7f0dbef4af613 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -75,6 +75,37 @@ linux_cma: linux,cma {
 			linux,cma-default;
 			reusable;
 		};
+
+		vdev0vring0: vdev0vring0@...00000 {
+			reg = <0 0x88000000 0 0x8000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1@...08000 {
+			reg = <0 0x88008000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring0: vdev1vring0@...10000 {
+			reg = <0 0x88010000 0 0x8000>;
+			no-map;
+		};
+
+		vdev1vring1: vdev1vring1@...18000 {
+			reg = <0 0x88018000 0 0x8000>;
+			no-map;
+		};
+
+		vdevbuffer: vdevbuffer@...20000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x88020000 0 0x100000>;
+			no-map;
+		};
+
+		rsc_table: rsc-table@...20000 {
+			reg = <0 0x88220000 0 0x1000>;
+			no-map;
+		};
 	};
 
 	flexcan1_phy: can-phy0 {
@@ -225,6 +256,16 @@ sound-wm8962 {
 				"IN3R", "AMIC",
 				"IN1R", "AMIC";
 	};
+
+	remoteproc-cm7 {
+		compatible = "fsl,imx95-cm7";
+		mbox-names = "tx", "rx", "rxdb";
+		mboxes = <&mu7 0 1>,
+			 <&mu7 1 1>,
+			 <&mu7 3 1>;
+		memory-region = <&vdevbuffer>, <&vdev0vring0>, <&vdev0vring1>,
+				<&vdev1vring0>, <&vdev1vring1>, <&rsc_table>;
+	};
 };
 
 &adc1 {

-- 
2.37.1