Thread (16 messages) 16 messages, 4 authors, 2019-12-19
STALE2391d
Revisions (3)
  1. v6 [diff vs current]
  2. v7 current
  3. v8 [diff vs current]

[PATCH v7 3/7] ARM: dts: sun8i-a83t: Add thermal sensor and thermal zones

From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: 2019-12-18 04:21:58
Also in: linux-devicetree, linux-pm, lkml
Subsystem: the rest · Maintainer: Linus Torvalds

From: Ondrej Jirman <redacted>

There are three sensors, two for each CPU cluster, one for GPU.

Signed-off-by: Ondrej Jirman <redacted>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 36 +++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 53c38deb8a08..93a6df11cb18 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -50,6 +50,7 @@
 #include <dt-bindings/reset/sun8i-a83t-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>;
@@ -581,6 +582,12 @@ mmc2: mmc@1c11000 {
 		sid: eeprom@1c14000 {
 			compatible = "allwinner,sun8i-a83t-sid";
 			reg = <0x1c14000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ths_calibration: thermal-sensor-calibration@34 {
+				reg = <0x34 8>;
+			};
 		};
 
 		crypto: crypto@1c15000 {
@@ -1165,5 +1172,34 @@ r_rsb: rsb@1f03400 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 		};
+
+		ths: thermal-sensor@1f04000 {
+			compatible = "allwinner,sun8i-a83t-ths";
+			reg = <0x01f04000 0x100>;
+			interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+			nvmem-cells = <&ths_calibration>;
+			nvmem-cell-names = "calibration";
+			#thermal-sensor-cells = <1>;
+		};
+	};
+
+	thermal-zones {
+		cpu0_thermal: cpu0-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 0>;
+		};
+
+		cpu1_thermal: cpu1-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 1>;
+		};
+
+		gpu_thermal: gpu-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 2>;
+		};
 	};
 };
-- 
2.24.1


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