From: Caesar Wang <caesar.wang@rock-chips.com> To: heiko@sntech.de, rui.zhang@intel.com, edubezval@gmail.com, arnd@arndb.de Cc: zyf@rock-chips.com, dianders@chromium.org, linux-rockchip@lists.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, dmitry.torokhov@gmail.com, dbasehore@chromium.org, huangtao@rock-chips.com, cjf@rock-chips.com, zhengsq@rock-chips.com, Caesar Wang <caesar.wang@rock-chips.com> Subject: [PATCH v9 2/5] dt-bindings: document Rockchip thermal Date: Sat, 11 Oct 2014 15:29:20 +0800 [thread overview] Message-ID: <1413012563-7690-3-git-send-email-caesar.wang@rock-chips.com> (raw) In-Reply-To: <1413012563-7690-1-git-send-email-caesar.wang@rock-chips.com> This add the necessary binding documentation for the thermal found on Rockchip SoCs Signed-off-by: zhaoyifeng <zyf@rock-chips.com> Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com> --- .../bindings/thermal/rockchip-thermal.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 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..d5ff410 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt @@ -0,0 +1,45 @@ +* 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 = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>; + clock-names = "tsadc", "apb_pclk"; +}; + +Example: referring to thermal sensors: +thermal-zones { + cpu_thermal: cpu_thermal { + polling-delay-passive = <500>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&tsadc 1>; + + trips { + cpu_alert0: cpu_alert { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_crit: cpu_crit { + temperature = <125000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + }; +}; -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: caesar.wang@rock-chips.com (Caesar Wang) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v9 2/5] dt-bindings: document Rockchip thermal Date: Sat, 11 Oct 2014 15:29:20 +0800 [thread overview] Message-ID: <1413012563-7690-3-git-send-email-caesar.wang@rock-chips.com> (raw) In-Reply-To: <1413012563-7690-1-git-send-email-caesar.wang@rock-chips.com> This add the necessary binding documentation for the thermal found on Rockchip SoCs Signed-off-by: zhaoyifeng <zyf@rock-chips.com> Signed-off-by: Caesar Wang <caesar.wang@rock-chips.com> --- .../bindings/thermal/rockchip-thermal.txt | 45 ++++++++++++++++++++++ 1 file changed, 45 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..d5ff410 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt @@ -0,0 +1,45 @@ +* 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 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"; +}; + +Example: referring to thermal sensors: +thermal-zones { + cpu_thermal: cpu_thermal { + polling-delay-passive = <500>; /* milliseconds */ + polling-delay = <1000>; /* milliseconds */ + + /* sensor ID */ + thermal-sensors = <&tsadc 1>; + + trips { + cpu_alert0: cpu_alert { + temperature = <80000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "passive"; + }; + cpu_crit: cpu_crit { + temperature = <125000>; /* millicelsius */ + hysteresis = <2000>; /* millicelsius */ + type = "critical"; + }; + }; + }; +}; -- 1.9.1
next prev parent reply other threads:[~2014-10-11 7:29 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-10-11 7:29 [PATCH v9 0/5] Rockchip soc thermal driver Caesar Wang 2014-10-11 7:29 ` Caesar Wang 2014-10-11 7:29 ` [PATCH v9 1/5] thermal: rockchip: add driver for thermal Caesar Wang 2014-10-11 7:29 ` Caesar Wang 2014-10-13 16:11 ` Doug Anderson 2014-10-13 16:11 ` Doug Anderson 2014-10-14 14:03 ` Caesar Wang 2014-10-14 14:03 ` Caesar Wang 2014-10-11 7:29 ` Caesar Wang [this message] 2014-10-11 7:29 ` [PATCH v9 2/5] dt-bindings: document Rockchip thermal Caesar Wang 2014-10-11 7:29 ` [PATCH v9 3/5] ARM: dts: add RK3288 Thermal data Caesar Wang 2014-10-11 7:29 ` Caesar Wang 2014-10-11 7:29 ` [PATCH v9 4/5] ARM: dts: add main Thermal info to rk3288 Caesar Wang 2014-10-11 7:29 ` Caesar Wang 2014-10-11 7:29 ` [PATCH v9 5/5] ARM: dts: enable Thermal on rk3288-evb board Caesar Wang 2014-10-11 7:29 ` Caesar Wang
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