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 <[email protected]>
Tested-by: Christian Hewitt <[email protected]>
Tested-by: Kevin Hilman <[email protected]>
Signed-off-by: Guillaume La Roque <[email protected]>
---
 .../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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