linux-kernel - [PATCH v3 3/3] riscv: dts: allwinner: d1: Add thermal sensor and thermal zone

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Date:   Sat, 10 Jun 2023 23:42:20 +0300
From:   Maksim Kiselev <bigunclemax@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Maxim Kiselev <bigunclemax@...il.com>,
        Vasily Khoruzhick <anarsoul@...il.com>,
        Yangtao Li <tiny.windzz@...il.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-riscv@...ts.infradead.org
Subject: [PATCH v3 3/3] riscv: dts: allwinner: d1: Add thermal sensor and thermal zone

From: Maxim Kiselev <bigunclemax@...il.com>

This patch adds a thermal sensor controller node for the D1/T113s.
Also it adds a THS calibration data cell and thermal zone.

Signed-off-by: Maxim Kiselev <bigunclemax@...il.com>
---
 .../boot/dts/allwinner/sunxi-d1s-t113.dtsi    | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
index 922e8e0e2c09..b893f3325554 100644
--- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
@@ -10,6 +10,7 @@
 #include <dt-bindings/reset/sun8i-de2.h>
 #include <dt-bindings/reset/sun20i-d1-ccu.h>
 #include <dt-bindings/reset/sun20i-d1-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	#address-cells = <1>;
@@ -138,6 +139,19 @@ ccu: clock-controller@...1000 {
 			#reset-cells = <1>;
 		};
 
+		ths: thermal-sensor@...9400 {
+			compatible = "allwinner,sun20i-d1-ths";
+			reg = <0x02009400 0x400>;
+			interrupts = <SOC_PERIPHERAL_IRQ(58) IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_THS>;
+			clock-names = "bus";
+			resets = <&ccu RST_BUS_THS>;
+			nvmem-cells = <&ths_calibration>;
+			nvmem-cell-names = "calibration";
+			status = "disabled";
+			#thermal-sensor-cells = <0>;
+		};
+
 		dmic: dmic@...1000 {
 			compatible = "allwinner,sun20i-d1-dmic",
 				     "allwinner,sun50i-h6-dmic";
@@ -365,6 +379,10 @@ sid: efuse@...6000 {
 			reg = <0x3006000 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
+
+			ths_calibration: thermal-sensor-calibration@14 {
+				reg = <0x14 0x4>;
+			};
 		};
 
 		crypto: crypto@...0000 {
@@ -843,4 +861,12 @@ rtc: rtc@...0000 {
 			#clock-cells = <1>;
 		};
 	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 0>;
+		};
+	};
 };
-- 
2.39.2