[PATCH v6 4/7] arm64: dts: meson: g12: Add minimal thermal zone
From: Guillaume La Roque <glaroque@baylibre.com>
Date: 2019-09-27 18:44:14
Also in:
linux-amlogic, linux-devicetree, linux-pm, lkml
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
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 <redacted> 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(+)
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>; }; };
--
2.17.1
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