From:   Alex Bee <knaerzche@gmail.com>
To:     Heiko Stuebner <heiko@sntech.de>, Rob Herring <robh+dt@kernel.org>
Cc:     Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
        linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Alex Bee <knaerzche@gmail.com>
Subject: [PATCH 3/4] arm64: dts: rockchip: Add cooling map / trip points for RK356x' GPU
Date:   Fri, 26 Nov 2021 16:17:28 +0100
Message-Id: <20211126151729.1026566-4-knaerzche@gmail.com>
In-Reply-To: <20211126151729.1026566-1-knaerzche@gmail.com>
References: <20211126151729.1026566-1-knaerzche@gmail.com>
MIME-Version: 1.0
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Precedence: bulk

RK356x SoCs have a second thermal sensor for the GPU:
This adds the cooling map / trip points for it to make use of it's
contribution as a cooling device.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
 arch/arm64/boot/dts/rockchip/rk356x.dtsi | 27 ++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 3b314ccd6c94..a67c279c164d 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -960,6 +960,33 @@ gpu_thermal: gpu-thermal {
 			polling-delay = <1000>; /* milliseconds */
 
 			thermal-sensors = <&tsadc 1>;
+
+			trips {
+				gpu_threshold: gpu-threshold {
+					temperature = <70000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				gpu_target: gpu-target {
+					temperature = <75000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				gpu_crit: gpu-crit {
+					temperature = <95000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpu_target>;
+					cooling-device =
+						<&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+
 		};
 	};
 
-- 
2.30.2