diff mbox series

[v4,18/23] ARM: dts: qcom: apq8064: enable passive CPU cooling

Message ID 20230827115033.935089-19-dmitry.baryshkov@linaro.org (mailing list archive)
State Handled Elsewhere, archived
Headers show
Series ARM: qcom: apq8064: support CPU frequency scaling | expand

Commit Message

Dmitry Baryshkov Aug. 27, 2023, 11:50 a.m. UTC 
Wire up CPUs and thermal trip points to save the SoC from overheating by
lowering the CPU frequency.

Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 arch/arm/boot/dts/qcom/qcom-apq8064.dtsi | 29 ++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
index f08d87bcc37e..638b2201ee0d 100644
--- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
@@ -11,6 +11,7 @@ 
 #include <dt-bindings/soc/qcom,krait-l2-cache.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/thermal/thermal.h>
 / {
 	#address-cells = <1>;
 	#size-cells = <1>;
@@ -697,6 +698,13 @@  cpu_crit0: trip1 {
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert0>;
+					cooling-device = <&CPU0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 
 		cpu1-thermal {
@@ -718,6 +726,13 @@  cpu_crit1: trip1 {
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert1>;
+					cooling-device = <&CPU1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 
 		cpu2-thermal {
@@ -739,6 +754,13 @@  cpu_crit2: trip1 {
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert2>;
+					cooling-device = <&CPU2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 
 		cpu3-thermal {
@@ -760,6 +782,13 @@  cpu_crit3: trip1 {
 					type = "critical";
 				};
 			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert3>;
+					cooling-device = <&CPU3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
 		};
 	};