Exynos5250 based Snow board has 4 NTC thermistors to measure temperatures at various points on the board. IIO based ADC becomes the parent and NTC thermistors are the childs, via the HWMON interface. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx> --- Posted earlier by Doug Anderson @ https://lkml.org/lkml/2013/3/27/453 This patch depends on (1/4 and 2/4 patches of) patchset posted http://www.spinics.net/lists/linux-iio/msg13486.html Which were applied on to Guenter Roeck's tree. cat sysfs entries exported by hwmon for 4 thermistors and verified the values on Snow. arch/arm/boot/dts/exynos5250-snow.dts | 34 +++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts index 7bd2df1..0fa7067 100644 --- a/arch/arm/boot/dts/exynos5250-snow.dts +++ b/arch/arm/boot/dts/exynos5250-snow.dts @@ -20,6 +20,40 @@ i2c104 = &i2c_104; }; + adc@12D10000 { + status = "okay"; + vdd-supply = <&buck5_reg>; + + ncp15wb473@3 { + compatible = "murata,ncp15wb473"; + pullup-uv = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 3>; + }; + ncp15wb473@4 { + compatible = "murata,ncp15wb473"; + pullup-uv = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 4>; + }; + ncp15wb473@5 { + compatible = "murata,ncp15wb473"; + pullup-uv = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 5>; + }; + ncp15wb473@6 { + compatible = "murata,ncp15wb473"; + pullup-uv = <1800000>; + pullup-ohm = <47000>; + pulldown-ohm = <0>; + io-channels = <&adc 6>; + }; + }; + rtc@101E0000 { status = "okay"; }; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
