在 2017/8/17 23:10, Rob Herring 写道:

On Thu, Aug 10, 2017 at 04:32:13PM +0800, Tao Wang wrote:

quoted

From: Tao Wang <redacted>

This adds documentation of device tree bindings for the
thermal sensor controller of hi3660 SoC.

Signed-off-by: Tao Wang <redacted>
---
  .../devicetree/bindings/thermal/hisi-tsensor.txt   | 23 ++++++++++++++++++++++
  1 file changed, 23 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/thermal/hisi-tsensor.txt

diff --git a/Documentation/devicetree/bindings/thermal/hisi-tsensor.txt b/Documentation/devicetree/bindings/thermal/hisi-tsensor.txt
new file mode 100644
index 0000000..2ab0eb9
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/hisi-tsensor.txt

@@ -0,0 +1,23 @@
+* Temperature Sensor on hisilicon SoC
+
+** Required properties :
+
+- compatible: "hisilicon,thermal-tsensor".

Needs an SoC specific compatible.

OK

quoted

+- reg: physical base address of thermal sensor and length of memory mapped
+  region.
+- offset: reg offset of each sensor.

Should be implied by the compatible.

Do you mean that the reg offset should not in dts?

quoted

+- coefficients:	An array of integers (one signed cell) containing
+		coefficients to turn adc value to temperture.

Needs a vendor prefix.

OK

quoted

+- hisi,adc-range: adc value range, minimum value is followed by maximum value.
+- #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description.
+
+Example :
+
+tsensor: tsensor@FFF3000 {
+	compatible = "hisilicon,tsensor";
+	reg = <0x0 0xfff30000 0x0 0x1000>;
+	offset = <0x1c 0x5c 0x9c>;
+	coefficients = <165000 (-40000)>;
+	hisi,adc-range = <0x74 0x39A>;
+	#thermal-sensor-cells = <1>;
+};
-- 
2.8.1

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