linux-kernel - [PATCH 5/5] arm64: dts: imx8qm: enable dsp node for rproc usage

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Message-Id: <20240918182117.86221-6-laurentiumihalcea111@gmail.com>
Date: Wed, 18 Sep 2024 14:21:17 -0400
From: Laurentiu Mihalcea <laurentiumihalcea111@...il.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>,
	Daniel Baluta <daniel.baluta@....com>,
	Shengjiu Wang <shengjiu.wang@....com>,
	Iuliana Prodan <iuliana.prodan@....com>
Cc: devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] arm64: dts: imx8qm: enable dsp node for rproc usage

From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>

Set the status of the dsp node to "okay" and assign
its reserved memory regions.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
---
 arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 27 ++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
index 62203eed6a6c..7ee69ce7b193 100644
--- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts
@@ -92,6 +92,27 @@ vdevbuffer: memory@...00000 {
 			reg = <0 0x90400000 0 0x100000>;
 			no-map;
 		};
+
+		dsp_reserved: dsp@...00000 {
+			reg = <0 0x92400000 0 0x1000000>;
+			no-map;
+		};
+
+		dsp_vdev0vring0: vdev0vring0@...f0000 {
+			reg = <0 0x942f0000 0 0x8000>;
+			no-map;
+		};
+
+		dsp_vdev0vring1: vdev0vring1@...f8000 {
+			reg = <0 0x942f8000 0 0x8000>;
+			no-map;
+		};
+
+		dsp_vdev0buffer: vdev0buffer@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0 0x94300000 0 0x100000>;
+			no-map;
+		};
 	};
 
 	lvds_backlight0: backlight-lvds0 {
@@ -640,6 +661,12 @@ &sai7 {
 	status = "okay";
 };
 
+&vpu_dsp {
+	memory-region = <&dsp_vdev0buffer>, <&dsp_vdev0vring0>,
+			<&dsp_vdev0vring1>, <&dsp_reserved>;
+	status = "okay";
+};
+
 &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;
-- 
2.34.1