From mboxrd@z Thu Jan 1 00:00:00 1970 From: Caesar Wang Subject: [PATCH v6 2/3] dt-bindings: document Rockchip thermal Date: Fri, 26 Sep 2014 22:33:11 +0800 Message-ID: <1411741992-18890-3-git-send-email-caesar.wang@rock-chips.com> References: <1411741992-18890-1-git-send-email-caesar.wang@rock-chips.com> Return-path: In-Reply-To: <1411741992-18890-1-git-send-email-caesar.wang@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org To: heiko@sntech.de, rui.zhang@intel.com, edubezval@gmail.com Cc: dmitry.torokhov@gmail.com, arnd@arndb.de, zyf@rock-chips.com, dianders@chromium.org, cjf@rock-chips.com, zhengsq@rock-chips.com, linux-rockchip@list.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, cf@rock-chips.com, dbasehore@chromium.org, Caesar Wang List-Id: devicetree@vger.kernel.org This add the necessary binding documentation for the thermal found on Rockchip SoCs Signed-off-by: zhaoyifeng Signed-off-by: Caesar Wang --- .../bindings/thermal/rockchip-thermal.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 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..a558bed --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt @@ -0,0 +1,32 @@ +* 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. + +Exiample: +tsadc: tsadc@ff280000 { + compatible = "rockchip,rk3288-tsadc"; + reg = <0xff280000 0x100>; + interrupts = ; + clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>; + clock-names = "tsadc", "apb_pclk"; +}; + +Example: referring to thermal sensors: +thermal-zones { + cpu { + polling-delay-passive = <2000>; + polling-delay = <1000>; + + thermal-sensors = + <&tsadc 0>; + }; +}; -- 1.9.1