[v5,4/7] arm64: dts: meson: g12: Add minimal thermal zone
diff mbox series

Message ID 20190927124750.12467-5-glaroque@baylibre.com
State Superseded
Headers show
Series
  • Add support of New Amlogic temperature sensor for G12 SoCs
Related show

Commit Message

guillaume La Roque Sept. 27, 2019, 12:47 p.m. UTC
Add minimal thermal zone for two temperature sensor
One is located close to the DDR and the other one is
located close to the PLLs (between the CPU and GPU)

Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
---
 .../boot/dts/amlogic/meson-g12-common.dtsi    | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

Patch
diff mbox series

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 0660d9ef6a86..f98171949fcb 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -12,6 +12,7 @@ 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
 #include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -94,6 +95,50 @@ 
 		#size-cells = <2>;
 		ranges;
 
+		thermal-zones {
+			cpu_thermal: cpu-thermal {
+				polling-delay = <1000>;
+				polling-delay-passive = <100>;
+				thermal-sensors = <&cpu_temp>;
+
+				trips {
+					cpu_passive: cpu-passive {
+						temperature = <85000>; /* millicelsius */
+						hysteresis = <2000>; /* millicelsius */
+						type = "passive";
+					};
+
+					cpu_hot: cpu-hot {
+						temperature = <95000>; /* millicelsius */
+						hysteresis = <2000>; /* millicelsius */
+						type = "hot";
+					};
+
+				};
+			};
+
+			ddr_thermal: ddr-thermal {
+				polling-delay = <1000>;
+				polling-delay-passive = <100>;
+				thermal-sensors = <&ddr_temp>;
+
+				trips {
+					ddr_passive: ddr-passive {
+						temperature = <85000>; /* millicelsius */
+						hysteresis = <2000>; /* millicelsius */
+						type = "passive";
+					};
+				};
+
+				cooling-maps {
+					map {
+						trip = <&ddr_passive>;
+						cooling-device = <&mali THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+					};
+				};
+			};
+		};
+
 		ethmac: ethernet@ff3f0000 {
 			compatible = "amlogic,meson-axg-dwmac",
 				     "snps,dwmac-3.70a",
@@ -2412,6 +2457,7 @@ 
 			assigned-clock-rates = <0>, /* Do Nothing */
 					       <800000000>,
 					       <0>; /* Do Nothing */
+			#cooling-cells = <2>;
 		};
 	};