[PATCH v16 2/5] dt-bindings: document Rockchip thermal

Heiko Stübner heiko at sntech.de
Thu Oct 30 13:17:19 PDT 2014


Am Mittwoch, 29. Oktober 2014, 10:32:36 schrieb Caesar Wang:
> This add the necessary binding documentation for the thermal
> found on Rockchip SoCs
> 
> Signed-off-by: zhaoyifeng <zyf at rock-chips.com>
> Signed-off-by: Caesar Wang <caesar.wang at rock-chips.com>
> Reviewed-by: Dmitry Torokhov <dmitry.torokhov at gmail.com>
> ---
>  .../bindings/thermal/rockchip-thermal.txt          | 62
> ++++++++++++++++++++++ 1 file changed, 62 insertions(+)
>  create mode 100644
> Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
> 
> diff --git a/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
> b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt new file
> mode 100644
> index 0000000..3061982
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
> @@ -0,0 +1,62 @@
> +* Temperature Sensor ADC (TSADC) on rockchip SoCs
> +
> +Required properties:
> +- compatible : "rockchip,rk3288-tsadc"
> +- reg : physical base address of the controller and length of memory mapped
> +	region.
> +- interrupts : The interrupt number to the cpu. The interrupt specifier
> format +	       depends on the interrupt controller.
> +- clocks : Must contain an entry for each entry in clock-names.
> +- clock-names : Shall be "tsadc" for the converter-clock, and "apb_pclk"
> for +		the peripheral clock.
> +- #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description.
> +- hw-shut-temp : The hardware-controlled shutdown temperature value. +-
> tsadc-tshut-mode : The hardware-controlled shutdown mode 0:CRU 1:GPIO. +-
> tsadc-tshut-polarity : The hardware-controlled active polarity 0:LOW
> 1:HIGH. +
> +Exiample:
> +tsadc: tsadc at ff280000 {
> +	compatible = "rockchip,rk3288-tsadc";
> +	reg = <0xff280000 0x100>;
> +	interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
> +	clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
> +	clock-names = "tsadc", "apb_pclk";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&otp_out>;
> +	#thermal-sensor-cells = <1>;
> +	hw-shut-temp = <125000>;
> +	tsadc-tshut-mode = <0>;
> +	tsadc-tshut-polarity = <0>;

these last 3 seem to be specific to this tsadc so should probably have a 
"rockchip,"-prefix





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