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From:   Michael Riesch <michael.riesch@wolfvision.net>
To:     dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-rockchip@lists.infradead.org
Cc:     David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Heiko Stuebner <heiko@sntech.de>,
        Peter Geis <pgwipeout@gmail.com>,
        Nicolas Frattaroli <frattaroli.nicolas@gmail.com>,
        Michael Riesch <michael.riesch@wolfvision.net>,
        Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
        Alex Bee <knaerzche@gmail.com>, Liang Chen <cl@rock-chips.com>,
        Sascha Hauer <s.hauer@pengutronix.de>
Subject: [PATCH v6 3/5] arm64: dts: rockchip: add cooling map and trip points for gpu to rk356x
Date:   Wed,  9 Feb 2022 22:55:47 +0100
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From: Alex Bee <knaerzche@gmail.com>

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

Signed-off-by: Alex Bee <knaerzche@gmail.com>
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
---
 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 50bbea862a6a..37194d735028 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -1093,6 +1093,33 @@ 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