linux-kernel - [PATCH 5/7] arm64: dts: allwinner: h6: Add GPU Operating Performance Points table

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Date:   Sun,  5 Apr 2020 12:49:11 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Clément Péron <peron.clem@...il.com>
Subject: [PATCH 5/7] arm64: dts: allwinner: h6: Add GPU Operating Performance Points table

Add an Operating Performance Points table for the GPU to
enable Dynamic Voltage & Frequency Scaling on the H6.

Signed-off-by: Clément Péron <peron.clem@...il.com>
---
 .../boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi
new file mode 100644
index 000000000000..4a1814844fe0
--- /dev/null
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-gpu-opp.dtsi
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+// Copyright (C) 2020 Clément Péron <peron.clem@...il.com>
+
+/ {
+	gpu_opp_table: opp_table1 {
+		compatible = "operating-points-v2";
+
+		opp@...000000 {
+			opp-hz = /bits/ 64 <756000000>;
+			opp-microvolt = <1040000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <624000000>;
+			opp-microvolt = <950000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <576000000>;
+			opp-microvolt = <930000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <540000000>;
+			opp-microvolt = <910000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <504000000>;
+			opp-microvolt = <890000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <456000000>;
+			opp-microvolt = <870000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <432000000>;
+			opp-microvolt = <860000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <420000000>;
+			opp-microvolt = <850000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <408000000>;
+			opp-microvolt = <840000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <384000000>;
+			opp-microvolt = <830000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <360000000>;
+			opp-microvolt = <820000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <336000000>;
+			opp-microvolt = <810000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <312000000>;
+			opp-microvolt = <810000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <264000000>;
+			opp-microvolt = <810000>;
+		};
+		opp@...000000 {
+			opp-hz = /bits/ 64 <216000000>;
+			opp-microvolt = <810000>;
+		};
+	};
+};
+
+&gpu {
+	operating-points-v2 = <&gpu_opp_table>;
+	#cooling-cells = <2>;
+};
-- 
2.20.1