linux-kernel - [PATCH 20/31] ARM: dts: rockchip: Add extra CPU voltages for RK3126

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Date:   Tue, 29 Aug 2023 19:16:36 +0200
From:   Alex Bee <knaerzche@...il.com>
To:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, Lee Jones <lee@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>
Cc:     Elaine Zhang <zhangqing@...k-chips.com>,
        Johan Jonker <jbx6244@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, alsa-devel@...a-project.org,
        linux-clk@...r.kernel.org, linux-phy@...ts.infradead.org,
        Alex Bee <knaerzche@...il.com>
Subject: [PATCH 20/31] ARM: dts: rockchip: Add extra CPU voltages for RK3126

While RK3126's CPU cores can operate at the same frequencies as RK3128, but
it needs higher voltages.
The values have been taken from vendor's downstream kernel.

Signed-off-by: Alex Bee <knaerzche@...il.com>
---
 arch/arm/boot/dts/rockchip/rk3126.dtsi | 27 ++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm/boot/dts/rockchip/rk3126.dtsi b/arch/arm/boot/dts/rockchip/rk3126.dtsi
index 7345bd95d29d..09c40f3d69a8 100644
--- a/arch/arm/boot/dts/rockchip/rk3126.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3126.dtsi
@@ -7,3 +7,30 @@
 / {
 	compatible = "rockchip,rk3126";
 };
+
+&cpu_opp_table {
+	opp-216000000 {
+		opp-microvolt = <1000000 1000000 1425000>;
+	};
+	opp-408000000 {
+		opp-microvolt = <1150000 1150000 1425000>;
+	};
+	opp-600000000 {
+		opp-microvolt = <1150000 1150000 1425000>;
+	};
+	opp-696000000 {
+		opp-microvolt = <1150000 1150000 1425000>;
+	};
+	opp-816000000 {
+		opp-microvolt = <1200000 1200000 1425000>;
+	};
+	opp-816000000 {
+		opp-microvolt = <1200000 1200000 1425000>;
+	};
+	opp-1008000000 {
+		opp-microvolt = <1350000 1350000 1425000>;
+	};
+	opp-1200000000 {
+		opp-microvolt = <1425000 1425000 1425000>;
+	};
+};
-- 
2.42.0