linux-kernel - Re: [PATCH v5 2/4] dt-bindings: document Rockchip thermal

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Message-ID: <CAAObsKA61Ano85P6PehOY7WqR0FgTz_Rfur8UAt56ZXoNyoyqQ@mail.gmail.com>
Date:	Thu, 18 Sep 2014 11:27:45 +0200
From:	Tomeu Vizoso <tomeu@...euvizoso.net>
To:	Caesar Wang <caesar.wang@...k-chips.com>
Cc:	heiko@...ech.de, rui.zhang@...el.com, edubezval@...il.com,
	Arnd Bergmann <arnd@...db.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-pm@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-doc@...r.kernel.org, huangtao@...k-chips.com,
	cf@...k-chips.com, dianders@...omium.org, dtor@...omium.org,
	dmitry.torokhov@...il.com, addy.ke@...k-chips.com,
	zyf@...k-chips.com, cjf@...k-chips.com
Subject: Re: [PATCH v5 2/4] dt-bindings: document Rockchip thermal

On 17 September 2014 05:59, Caesar Wang <caesar.wang@...k-chips.com> 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@...k-chips.com>
> Signed-off-by: Caesar Wang <caesar.wang@...k-chips.com>
> ---
>  .../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@...80000 {
> +       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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