From 8019de7b3fe9e004ae9f46baea7d2ff955a51ae5 Mon Sep 17 00:00:00 2001
From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Sat, 13 Jul 2019 09:54:31 -0700
Subject: [PATCH] arm64: dts: allwinner: a64: Add thermal sensors and thermal
 zones

A64 has 3 thermal sensors: 1 for CPU, 2 for GPU.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 42 +++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 27e48234f1c2..5e3f16c3b706 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -49,6 +49,7 @@
 #include <dt-bindings/reset/sun50i-a64-ccu.h>
 #include <dt-bindings/reset/sun8i-de2.h>
 #include <dt-bindings/reset/sun8i-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -211,6 +212,29 @@
 			(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
 	};
 
+	thermal-zones {
+		cpu_thermal: cpu0-thermal {
+			/* milliseconds */
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 0>;
+		};
+
+		gpu0_thermal: gpu0-thermal {
+			/* milliseconds */
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 1>;
+		};
+
+		gpu1_thermal: gpu1-thermal {
+			/* milliseconds */
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 2>;
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -485,6 +509,12 @@
 		sid: eeprom@1c14000 {
 			compatible = "allwinner,sun50i-a64-sid";
 			reg = <0x1c14000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ths_calibration: thermal-sensor-calibration@34 {
+				reg = <0x34 0x8>;
+			};
 		};
 
 		crypto: crypto@1c15000 {
@@ -810,6 +840,18 @@
 			status = "disabled";
 		};
 
+		ths: thermal-sensor@1c25000 {
+			compatible = "allwinner,sun50i-a64-ths";
+			reg = <0x01c25000 0x100>;
+			clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
+			clock-names = "bus", "mod";
+			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
+			resets = <&ccu RST_BUS_THS>;
+			nvmem-cells = <&ths_calibration>;
+			nvmem-cell-names = "calibration";
+			#thermal-sensor-cells = <1>;
+		};
+
 		uart0: serial@1c28000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x01c28000 0x400>;