linux-kernel - [PATCH 1/4] iio: adc: Document the regulator/clocks for exynos-adc

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Date:	Tue, 12 Mar 2013 16:13:11 -0700
From:	Doug Anderson <dianders@...omium.org>
To:	Jonathan Cameron <jic23@...nel.org>
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	Naveen Krishna Chatradhi <ch.naveen@...sung.com>,
	Olof Johansson <olof@...om.net>,
	Doug Anderson <dianders@...omium.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] iio: adc: Document the regulator/clocks for exynos-adc

The exynos ADC won't work without a regulator called "vdd" and a clock
called "adc".  Document this fact in the device tree bindings.

Signed-off-by: Doug Anderson <dianders@...omium.org>
---
 Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
index f686378..96db940 100644
--- a/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt
@@ -20,6 +20,9 @@ Required properties:
 			format is being dependent on which interrupt controller
 			the Samsung device uses.
 - #io-channel-cells = <1>; As ADC has multiple outputs
+- clocks		From common clock binding: handle to adc clock.
+- clock-names		From common clock binding: Shall be "adc".
+- vdd-supply		VDD input supply.
 
 Note: child nodes can be added for auto probing from device tree.
 
@@ -31,6 +34,11 @@ adc: adc@...10000 {
 	interrupts = <0 106 0>;
 	#io-channel-cells = <1>;
 	io-channel-ranges;
+
+	clocks = <&clock 303>;
+	clock-names = "adc";
+
+	vdd-supply = <&buck5_reg>;
 };
 
 
-- 
1.8.1.3

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