ARM: dts: sun8i-r40: Add thermal sensor and thermal zones

There are two sensors, sensor0 for CPU, sensor1 for GPU.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 8f09a24b36ec080e5823fe7768a3b4eae7722742..d5442b5b6fd2277bc4c65bb2df8a9ca4ff4d0fb7 100644 (file)
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -47,6 +47,7 @@
 #include <dt-bindings/clock/sun8i-tcon-top.h>
 #include <dt-bindings/reset/sun8i-r40-ccu.h>
 #include <dt-bindings/reset/sun8i-de2.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
        #address-cells = <1>;
@@ -110,6 +111,22 @@
                status = "disabled";
        };
 
+       thermal-zones {
+               cpu_thermal: cpu0-thermal {
+                       /* milliseconds */
+                       polling-delay-passive = <0>;
+                       polling-delay = <0>;
+                       thermal-sensors = <&ths 0>;
+               };
+
+               gpu_thermal: gpu-thermal {
+                       /* milliseconds */
+                       polling-delay-passive = <0>;
+                       polling-delay = <0>;
+                       thermal-sensors = <&ths 1>;
+               };
+       };
+
        soc {
                compatible = "simple-bus";
                #address-cells = <1>;
@@ -500,6 +517,17 @@
                        clocks = <&osc24M>;
                };
 
+               ths: thermal-sensor@1c24c00 {
+                       compatible = "allwinner,sun8i-r40-ths";
+                       reg = <0x01c24c00 0x100>;
+                       clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
+                       clock-names = "bus", "mod";
+                       interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+                       resets = <&ccu RST_BUS_THS>;
+                       /* TODO: add nvmem-cells for calibration */
+                       #thermal-sensor-cells = <1>;
+               };
+
                uart0: serial@1c28000 {
                        compatible = "snps,dw-apb-uart";
                        reg = <0x01c28000 0x400>;