linux-kernel - [PATCH 6/6] arm64: dts: renesas: r8a77961: Enable GPU

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Message-ID: <20240227034539.193573-7-aford173@gmail.com>
Date: Mon, 26 Feb 2024 21:45:36 -0600
From: Adam Ford <aford173@...il.com>
To: dri-devel@...ts.freedesktop.org,
	linux-renesas-soc@...r.kernel.org
Cc: aford@...conembedded.com,
	Adam Ford <aford173@...il.com>,
	Frank Binns <frank.binns@...tec.com>,
	Matt Coster <matt.coster@...tec.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Magnus Damm <magnus.damm@...il.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 6/6] arm64: dts: renesas: r8a77961: Enable GPU

The GPU on the R-Car M3-W+ is a Rogue GX6250 which uses firmware
rogue_4.45.2.58_v1.fw available from Imagination.

When enumerated, it appears as:
powervr fd000000.gpu: [drm] loaded firmware powervr/rogue_4.45.2.58_v1.fw
powervr fd000000.gpu: [drm] FW version v1.0 (build 6513336 OS)

Signed-off-by: Adam Ford <aford173@...il.com>

diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index 58f9286a5ab5..cc17e624c069 100644
--- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
@@ -2438,6 +2438,16 @@ gic: interrupt-controller@...10000 {
 			resets = <&cpg 408>;
 		};
 
+		gpu: gpu@...00000 {
+			compatible = "renesas,r8a77961-gpu", "img,img-axe";
+			reg = <0 0xfd000000 0 0x20000>;
+			clocks = <&cpg CPG_MOD 112>;
+			clock-names = "core";
+			interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+			power-domains = <&sysc R8A77961_PD_3DG_B>;
+			resets = <&cpg 112>;
+		};
+
 		pciec0: pcie@...00000 {
 			compatible = "renesas,pcie-r8a77961",
 				     "renesas,pcie-rcar-gen3";
-- 
2.43.0