On Thu, Aug 10, 2017 at 04:32:13PM +0800, Tao Wang wrote:
> From: Tao Wang <kevin.wangtao@xxxxxxxxxx>
>
> This adds documentation of device tree bindings for the
> thermal sensor controller of hi3660 SoC.
>
> Signed-off-by: Tao Wang <kevin.wangtao@xxxxxxxxxx>
> ---
> .../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.
> +- 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.
> +- coefficients: An array of integers (one signed cell) containing
> + coefficients to turn adc value to temperture.
Needs a vendor prefix.
> +- 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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