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[RFC,3/3] ARM: sun8i: h3: add support for the thermal sensor in H3

Message ID 20170328173013.16539-4-icenowy@aosc.io (mailing list archive)
State New, archived
Headers show

Commit Message

Icenowy Zheng March 28, 2017, 5:30 p.m. UTC
As we have gained the support for the thermal sensor in H3, we can now
add its device nodes to the device tree.

Add them to the H3 device tree.

The H5 thermal sensor has some differences, and will be added furtherly.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
---
 arch/arm/boot/dts/sun8i-h3.dtsi | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
index b36f9f423c39..552217bb9266 100644
--- a/arch/arm/boot/dts/sun8i-h3.dtsi
+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
@@ -72,6 +72,32 @@ 
 		};
 	};
 
+	iio-hwmon {
+		compatible = "iio-hwmon";
+		io-channels = <&ths>;
+	};
+
+	soc {
+		ths: ths@01c25000 {
+			compatible = "allwinner,sun8i-h3-ths";
+			reg = <0x01c25000 0x100>;
+			clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
+			clock-names = "bus", "ths";
+			resets = <&ccu RST_BUS_THS>;
+			#thermal-sensor-cells = <0>;
+			#io-channel-cells = <0>;
+		};
+	};
+
+	thermal-zones {
+		cpu_thermal {
+			/* milliseconds */
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&ths>;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,