From 499af66b8f421a1f1612ff84c81a47ca569654b8 Mon Sep 17 00:00:00 2001
From: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Date: Tue, 21 Oct 2025 09:30:52 +0200
Subject: [PATCH] arm64: dts: mediatek: mt8365: Add GPU support

The Mediatek MT8365 SoC has an integrated Arm Mali G52 MC1 GPU
(Bifrost).
Add gpu, OPP table, and MFG clock driver nodes in mt8365.dtsi to support
it using the Panfrost driver.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
 arch/arm64/boot/dts/mediatek/mt8365.dtsi | 43 +++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index e6d2b3221a3b7..a5ca3cda6ef30 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -267,6 +267,26 @@
 		clock-output-names = "clk26m";
 	};
 
+	gpu_opp_table: opp-table-gpu {
+		compatible = "operating-points-v2";
+		opp-shared;
+
+		opp-450000000 {
+			opp-hz = /bits/ 64 <450000000>;
+			opp-microvolt = <650000>;
+		};
+
+		opp-560000000 {
+			opp-hz = /bits/ 64 <560000000>;
+			opp-microvolt = <700000>;
+		};
+
+		opp-800000000 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <800000>;
+		};
+	};
+
 	psci {
 		compatible = "arm,psci-1.0";
 		method = "smc";
@@ -292,6 +312,27 @@
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		mfgcfg: syscon@13000000 {
+			compatible = "mediatek,mt8365-mfgcfg", "syscon";
+			reg = <0 0x13000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		gpu: gpu@13040000 {
+			compatible = "mediatek,mt8365-mali", "arm,mali-bifrost";
+			reg = <0 0x13040000 0 0x4000>;
+
+			clocks = <&mfgcfg CLK_MFG_BG3D>;
+			interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 202 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 201 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 204 IRQ_TYPE_LEVEL_LOW>;
+			interrupt-names = "job", "mmu", "gpu", "event";
+			operating-points-v2 = <&gpu_opp_table>;
+			power-domains = <&spm MT8365_POWER_DOMAIN_MFG>;
+			status = "disabled";
+		};
+
 		topckgen: syscon@10000000 {
 			compatible = "mediatek,mt8365-topckgen", "syscon";
 			reg = <0 0x10000000 0 0x1000>;
@@ -398,7 +439,7 @@
 					mediatek,infracfg = <&infracfg>;
 				};
 
-				power-domain@MT8365_POWER_DOMAIN_MFG {
+				mfg: power-domain@MT8365_POWER_DOMAIN_MFG {
 					reg = <MT8365_POWER_DOMAIN_MFG>;
 					clocks = <&topckgen CLK_TOP_MFG_SEL>;
 					clock-names = "mfg";
-- 
2.47.3