From caeffabc36cbb6a3cdfe5b7894f8e1bfef6504b3 Mon Sep 17 00:00:00 2001 From: Gregory CLEMENT Date: Fri, 15 Mar 2019 10:52:31 +0100 Subject: [PATCH] dt-bindings: iio: adc: lpc32xx-adc: Document vref-supply As most of the other ADC the lpc32xx one use a vref-supply property: document it. Reviewed-by: Rob Herring Signed-off-by: Gregory CLEMENT Signed-off-by: Jonathan Cameron --- Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt index b3629d3a9adf..3a1bc669bd51 100644 --- a/Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt +++ b/Documentation/devicetree/bindings/iio/adc/lpc32xx-adc.txt @@ -6,6 +6,10 @@ Required properties: region. - interrupts: The ADC interrupt +Optional: + - vref-supply: The regulator supply ADC reference voltage, optional + for legacy reason, but highly encouraging to us in new device tree + Example: adc@40048000 { @@ -13,4 +17,5 @@ Example: reg = <0x40048000 0x1000>; interrupt-parent = <&mic>; interrupts = <39 0>; + vref-supply = <&vcc>; };