[v2,4/5] ARM: dts: Add thermistor dts fragment used by exynos based Peach boards

Commit Message

Javier Martinez Canillas Aug. 20, 2014, 11:19 a.m. UTC

From: Naveen Krishna Chatradhi <[e-mail]>

This patch creates a thermistor fragment carrying the NTC Thermistor
nodes as children of the IIO based ADC.

This fragment is included in exynos5420-peach-pit.dts and
exynos5800-peach-pi.dts.

Signed-off-by: Naveen Krishna Chatradhi <[e-mail]>
Signed-off-by: Javier Martinez Canillas <[e-mail]>
---
 arch/arm/boot/dts/cros-adc-thermistors.dtsi | 44 +++++++++++++++++++++++++++++
 arch/arm/boot/dts/exynos5420-peach-pit.dts  |  6 ++++
 arch/arm/boot/dts/exynos5800-peach-pi.dts   |  6 ++++
 3 files changed, 56 insertions(+)
 create mode 100644 arch/arm/boot/dts/cros-adc-thermistors.dtsi

Comments

Doug Anderson Sept. 10, 2014, 4:48 a.m. UTC | #1

Javier / Naveen,

On Wed, Aug 20, 2014 at 4:19 AM, Javier Martinez Canillas
<[e-mail]> wrote:
> From: Naveen Krishna Chatradhi <[e-mail]>
>
> This patch creates a thermistor fragment carrying the NTC Thermistor
> nodes as children of the IIO based ADC.
>
> This fragment is included in exynos5420-peach-pit.dts and
> exynos5800-peach-pi.dts.
>
> Signed-off-by: Naveen Krishna Chatradhi <[e-mail]>
> Signed-off-by: Javier Martinez Canillas <[e-mail]>
> ---
>  arch/arm/boot/dts/cros-adc-thermistors.dtsi | 44 +++++++++++++++++++++++++++++
>  arch/arm/boot/dts/exynos5420-peach-pit.dts  |  6 ++++
>  arch/arm/boot/dts/exynos5800-peach-pi.dts   |  6 ++++
>  3 files changed, 56 insertions(+)

Reviewed-by: Doug Anderson <[e-mail]>

Patch

diff --git a/arch/arm/boot/dts/cros-adc-thermistors.dtsi b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
new file mode 100644
index 0000000..acd4fe1
--- /dev/null
+++ b/arch/arm/boot/dts/cros-adc-thermistors.dtsi
@@ -0,0 +1,44 @@ 
+/*
+ * Thermistor dts fragment for devices that use Thermistors as
+ * children of the IIO based ADC.
+ *
+ * Currently, used by Exynos5420 based Peach PIT and
+ * Exynos5800 based Peach PI.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+&adc {
+	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>;
+	};
+};
diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts
index 7c5957b..94225e6 100644
--- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
+++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
@@ -103,6 +103,11 @@ 
 	};
 };
 
+&adc {
+	status = "okay";
+	vdd-supply = <&ldo9_reg>;
+};
+
 &dp {
 	status = "okay";
 	pinctrl-names = "default";
@@ -814,3 +819,4 @@ 
 };
 
 #include "cros-ec-keyboard.dtsi"
+#include "cros-adc-thermistors.dtsi"
diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
index ec4e5c7..8f9d66e 100644
--- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
+++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
@@ -101,6 +101,11 @@ 
 	};
 };
 
+&adc {
+	status = "okay";
+	vdd-supply = <&ldo9_reg>;
+};
+
 &dp {
 	status = "okay";
 	pinctrl-names = "default";
@@ -812,3 +817,4 @@ 
 };
 
 #include "cros-ec-keyboard.dtsi"
+#include "cros-adc-thermistors.dtsi"