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authorGuillaume La Roque <glaroque@baylibre.com>2019-10-04 11:01:11 +0200
committerKevin Hilman <khilman@baylibre.com>2019-10-17 09:12:43 -0700
commite7251ed74ef79b80fc5e77636832be7baf1f40a6 (patch)
tree05f0650e258b8f243ea0387bceef6edc2ecbbb90 /arch/arm64/boot/dts/amlogic
parent8656783f07613ad2a4e511e417c88c544e220113 (diff)
arm64: dts: meson: g12: Add minimal thermal zone
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> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org> Tested-by: Christian Hewitt <christianshewitt@gmail.com> Tested-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Guillaume La Roque <glaroque@baylibre.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Diffstat (limited to 'arch/arm64/boot/dts/amlogic')
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index f153194b9bf3..a063d49b9cb1 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -10,6 +10,7 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/reset/amlogic,meson-g12a-reset.h>
+#include <dt-bindings/thermal/thermal.h>
/ {
interrupt-parent = <&gic>;
@@ -119,6 +120,61 @@
status = "disabled";
};
+ 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";
+ };
+
+ cpu_critical: cpu-critical {
+ temperature = <110000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+ };
+
+ 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";
+ };
+
+ ddr_critical: ddr-critical {
+ temperature = <110000>; /* millicelsius */
+ hysteresis = <2000>; /* millicelsius */
+ type = "critical";
+ };
+ };
+
+ 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",
@@ -2169,6 +2225,7 @@
assigned-clock-rates = <0>, /* Do Nothing */
<800000000>,
<0>; /* Do Nothing */
+ #cooling-cells = <2>;
};
};