Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4f423788 authored by Chanwoo Choi's avatar Chanwoo Choi Committed by Kukjin Kim
Browse files

ARM: dts: Add ADC and themistor nodes for exynos4412-trats2 



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: default avatarChanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: default avatarTomasz Figa <t.figa@samsung.com>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent 8bdfa203

arch/arm/boot/dts/exynos4412-trats2.dts

+21 −0
Original line number Diff line number Diff line
@@ -106,6 +106,11 @@ 
		};

	};



	adc: adc@126C0000 {

		vdd-supply = <&ldo3_reg>;

		status = "okay";

	};



	i2c@13890000 {

		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 */

	};

};