arm64: dts: qcom: sc7280: Add gpu thermal zone cooling support

Add cooling-cells property and the cooling maps for the gpu thermal
zones to support GPU thermal cooling.
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>
Signed-off-by: Akhil P Oommen <akhilpo@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1628691835-36958-2-git-send-email-akhilpo@codeaurora.org

arch/arm64/boot/dts/qcom/sc7280.dtsi

@@ -686,7 +686,7 @@ lpass_ag_noc: interconnect@3c40000 {
 			qcom,bcm-voters = <&apps_bcm_voter>;
 		};
 
-		gpu@3d00000 {
+		gpu: gpu@3d00000 {
 			compatible = "qcom,adreno-635.0", "qcom,adreno";
 			#stream-id-cells = <16>;
 			reg = <0 0x03d00000 0 0x40000>,
@@ -701,6 +701,7 @@ gpu@3d00000 {
 			qcom,gmu = <&gmu>;
 			interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>;
 			interconnect-names = "gfx-mem";
+			#cooling-cells = <2>;
 
 			gpu_opp_table: opp-table {
 				compatible = "operating-points-v2";
@@ -2617,16 +2618,16 @@ cpuss1_crit: cluster0-crit {
 		};
 
 		gpuss0-thermal {
-			polling-delay-passive = <0>;
+			polling-delay-passive = <100>;
 			polling-delay = <0>;
 
 			thermal-sensors = <&tsens1 1>;
 
 			trips {
 				gpuss0_alert0: trip-point0 {
-					temperature = <90000>;
+					temperature = <95000>;
 					hysteresis = <2000>;
-					type = "hot";
+					type = "passive";
 				};
 
 				gpuss0_crit: gpuss0-crit {
@@ -2635,19 +2636,26 @@ gpuss0_crit: gpuss0-crit {
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpuss0_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 
 		gpuss1-thermal {
-			polling-delay-passive = <0>;
+			polling-delay-passive = <100>;
 			polling-delay = <0>;
 
 			thermal-sensors = <&tsens1 2>;
 
 			trips {
 				gpuss1_alert0: trip-point0 {
-					temperature = <90000>;
+					temperature = <95000>;
 					hysteresis = <2000>;
-					type = "hot";
+					type = "passive";
 				};
 
 				gpuss1_crit: gpuss1-crit {
@@ -2656,6 +2664,13 @@ gpuss1_crit: gpuss1-crit {
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&gpuss1_alert0>;
+					cooling-device = <&gpu THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 
 		nspss0-thermal {