arm64: dts: rockchip: add cooling map and trip points for gpu to rk356x

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>
Link: https://lore.kernel.org/r/20220209215549.94524-4-michael.riesch@wolfvision.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index 50bbea862a6a9349119d25996b63d2f083f93257..80e3a3a2ab0f4e5722d6162824acfb1cbdcd2ade 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -1093,6 +1093,32 @@
                        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>;
+                               };
+                       };
                };
        };