On 17 September 2014 05:59, Caesar Wang <caesar.wang@xxxxxxxxxxxxxx> wrote:
> This add the necessary binding documentation for the thermal
> found on Rockchip SoCs
Hi Caesar,
is there any reason to not use the existing thermal bindings? You can
find a description in
Documentation/devicetree/bindings/thermal/thermal.txt and example code
in omap, or in the patches for Tegra recently posted by Mikko
Perttunen.
Regards,
Tomeu
> Signed-off-by: zhaoyifeng <zyf@xxxxxxxxxxxxxx>
> Signed-off-by: Caesar Wang <caesar.wang@xxxxxxxxxxxxxx>
> ---
> .../bindings/thermal/rockchip-thermal.txt | 41 ++++++++++++++++++++++
> 1 file changed, 41 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..6fc8bc3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
> @@ -0,0 +1,41 @@
> +* 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.
> +- num-trips: number of total trip points, this is required, set it 0 if none,
> + if greater than 0, the following properties must be defined;
> +- tripN-temp: temperature of trip point N, should be in ascending order;
> +- tripN-type: type of trip point N, should be one of "active" "passive" "hot"
> + "critical";
> +- tripN-cdev-num: number of the cooling devices which can be bound to trip
> + point N, this is required if trip point N is defined, set it 0 if none,
> + otherwise the following cooling device names must be defined;
> +- tripN-cdev-nameM: name of the No. M cooling device of trip point N;
> +
> +Example:
> +tsadc: tsadc@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";
> +
> + num-trips = <2>;
> +
> + trip0-temp = <80>;
> + trip0-type = "passive";
> + trip0-cdev-num = <1>;
> + trip0-cdev-name0 = "thermal-cpufreq-0";
> +
> + trip1-temp = <100>;
> + trip1-type = "critical";
> + trip1-cdev-num = <1>;
> + trip1-cdev-name0 = "thermal-cpufreq-0";
> +};
> --
> 1.9.1
>
>
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