linux-kernel - [PATCH 2/3] arm64: dts: rockchip: add gpu opp table for rk3399

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Date:   Sat,  1 Jul 2017 20:56:09 +0800
From:   Jacob Chen <jacob-chen@...wrt.com>
To:     linux-rockchip@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, heiko@...ech.de, robh+dt@...nel.org,
        mark.rutland@....com, kever.yang@...k-chips.com,
        Jacob Chen <jacob-chen@...wrt.com>
Subject: [PATCH 2/3] arm64: dts: rockchip: add gpu opp table for rk3399

midgard-t860 gpu in rk3399 support run in 800MHz.

Signed-off-by: Jacob Chen <jacob-chen@...wrt.com>
---
 arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi | 33 ++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi
index c83460d..3d88ba2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-opp.dtsi
@@ -110,6 +110,35 @@
 			opp-microvolt = <1200000>;
 		};
 	};
+
+	gpu_opp_table: opp-table2 {
+		compatible = "operating-points-v2";
+
+		opp-200000000 {
+			opp-hz = /bits/ 64 <200000000>;
+			opp-microvolt = <800000>;
+		};
+		opp-297000000 {
+			opp-hz = /bits/ 64 <297000000>;
+			opp-microvolt = <800000>;
+		};
+		opp-400000000 {
+			opp-hz = /bits/ 64 <400000000>;
+			opp-microvolt = <825000>;
+		};
+		opp-500000000 {
+			opp-hz = /bits/ 64 <500000000>;
+			opp-microvolt = <875000>;
+		};
+		opp-600000000 {
+			opp-hz = /bits/ 64 <600000000>;
+			opp-microvolt = <925000>;
+		};
+		opp-800000000 {
+			opp-hz = /bits/ 64 <800000000>;
+			opp-microvolt = <1100000>;
+		};
+	};
 };
 
 &cpu_l0 {
@@ -135,3 +164,7 @@
 &cpu_b1 {
 	operating-points-v2 = <&cluster1_opp>;
 };
+
+&gpu {
+	operating-points-v2 = <&gpu_opp_table>;
+};
-- 
2.7.4