[PATCH v2 1/4] dt-bindings: iio: imx7d-adc: Add #io-channel-cells to required

[Andrey Smirnov]

Add #io-channel-cells to list of required properties. Needed to be
able to reference that node by phandle.

Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
Cc: Shawn Guo <shawn...@kernel.org>
Cc: Chris Healy <cphe...@gmail.com>
Cc: Andrew Lunn <and...@lunn.ch>
Cc: Fabio Estevam <feste...@gmail.com>
Cc: Rob Herring <r...@kernel.org>
Cc: linux-kernel@vger.kernel.org
Cc: devicet...@vger.kernel.org
---
 Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt 
b/Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt
index 5c184b940669..f1f3a552459b 100644
--- a/Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/imx7d-adc.txt
@@ -10,6 +10,7 @@ Required properties:
 - clocks: The root clock of the ADC controller
 - clock-names: Must contain "adc", matching entry in the clocks property
 - vref-supply: The regulator supply ADC reference voltage
+- #io-channel-cells: Must be 1 as per ../iio-bindings.txt
 
 Example:
 adc1: adc@30610000 {
@@ -19,4 +20,5 @@ adc1: adc@30610000 {
        clocks = <&clks IMX7D_ADC_ROOT_CLK>;
        clock-names = "adc";
        vref-supply = <&reg_vcc_3v3_mcu>;
+       #io-channel-cells = <1>;
 };
-- 
2.20.1