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Commit 2b684024 authored by Doug Anderson's avatar Doug Anderson Committed by Jonathan Cameron
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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: default avatarDoug Anderson <dianders@chromium.org>
Reviewed-by: default avatarNaveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent f6e8a968

Documentation/devicetree/bindings/arm/samsung/exynos-adc.txt

+8 −0
Original line number Diff line number Diff line
@@ -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@12D10000 { 
	interrupts = <0 106 0>;

	#io-channel-cells = <1>;

	io-channel-ranges;



	clocks = <&clock 303>;

	clock-names = "adc";



	vdd-supply = <&buck5_reg>;

};