linux-kernel - [PATCH 2/2] arm64: dts: rockchip: enable the Mali GPU on RK3328 boards

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Message-Id: <20250830115135.3549305-2-christianshewitt@gmail.com>
Date: Sat, 30 Aug 2025 11:51:35 +0000
From: Christian Hewitt <christianshewitt@...il.com>
To: Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Alex Bee <knaerzche@...il.com>
Subject: [PATCH 2/2] arm64: dts: rockchip: enable the Mali GPU on RK3328 boards

From: Alex Bee <knaerzche@...il.com>

Add a gpu node to the rock64 board to enable the Mali GPU and
move the existing node from roc-pc to the shared roc dtsi to
enable it also for the roc-cc board.

Signed-off-by: Alex Bee <knaerzche@...il.com>
Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
---
Note: the a1 board already carries the same change. All other
RK3328 boards appear to be headless designs that have no HDMI
or obvious media capabilities, so no need for a gpu.

 arch/arm64/boot/dts/rockchip/rk3328-roc-pc.dts | 4 ----
 arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi   | 4 ++++
 arch/arm64/boot/dts/rockchip/rk3328-rock64.dts | 4 ++++
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc-pc.dts b/arch/arm64/boot/dts/rockchip/rk3328-roc-pc.dts
index 329d03172433..c0b7b98ff788 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-roc-pc.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-roc-pc.dts
@@ -44,10 +44,6 @@ &codec {
 	mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>;
 };
 
-&gpu {
-	mali-supply = <&vdd_logic>;
-};
-
 &pinctrl {
 	ir {
 		ir_int: ir-int {
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi b/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
index aa1d5a6d7fd5..3fe0c17fd2b1 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328-roc.dtsi
@@ -167,6 +167,10 @@ &gmac2io {
 	status = "okay";
 };
 
+&gpu {
+	mali-supply = <&vdd_logic>;
+};
+
 &hdmi {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
index 5367e5fa9232..592fd8ca21df 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
@@ -152,6 +152,10 @@ &gmac2io {
 	status = "okay";
 };
 
+&gpu {
+	mali-supply = <&vdd_logic>;
+};
+
 &hdmi {
 	avdd-0v9-supply = <&vdd_10>;
 	avdd-1v8-supply = <&vcc_18>;
-- 
2.34.1