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Date: Wed, 12 Mar 2014 15:19:16 +0900 From: Chanwoo Choi <cw00.choi@...sung.com> To: kgene.kim@...sung.com, t.figa@...sung.com Cc: linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, kyungmin.park@...sung.com, pawel.moll@....com, mark.rutland@....com, swarren@...dotorg.org, ijc+devicetree@...lion.org.uk, linux@....linux.org.uk, Chanwoo Choi <cw00.choi@...sung.com> Subject: [PATCHv2 5/5] ARM: dts: exynos4412-trats2: Add ADC/themistor dt data to get temperature of SoC/battery This patch use ADC to get the temperature of SoC/battery by using NTC thermistor driver in hwmon. NTC thermistor driver covnvert ADC's raw data to temperature by using following variables: Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com> --- arch/arm/boot/dts/exynos4412-trats2.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts index 4f851cc..3228506 100644 --- a/arch/arm/boot/dts/exynos4412-trats2.dts +++ b/arch/arm/boot/dts/exynos4412-trats2.dts @@ -106,6 +106,11 @@ }; }; + adc: adc@...C0000 { + vdd-supply = <&ldo3_reg>; + status = "okay"; + }; + i2c@...90000 { samsung,i2c-sda-delay = <100>; samsung,i2c-slave-addr = <0x10>; @@ -589,4 +594,20 @@ }; }; }; + + thermistor-ap@0 { + compatible = "ntc,ncp15wb473"; + pullup-uv = <1800000>; /* VCC_1.8V_AP */ + pullup-ohm = <100000>; /* 100K */ + pulldown-ohm = <100000>; /* 100K */ + io-channels = <&adc 1>; /* AP temperature */ + }; + + thermistor-battery@1 { + compatible = "ntc,ncp15wb473"; + pullup-uv = <1800000>; /* VCC_1.8V_AP */ + pullup-ohm = <100000>; /* 100K */ + pulldown-ohm = <100000>; /* 100K */ + io-channels = <&adc 2>; /* Battery temperature */ + }; }; -- 1.8.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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