linux-kernel - [PATCH] dt-bindings: iio: adc: sd-modulator: fix io-channel-cells

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Message-ID: <1519384041-23782-1-git-send-email-fabrice.gasnier@st.com>
Date:   Fri, 23 Feb 2018 12:07:21 +0100
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <jic23@...nel.org>, <robh+dt@...nel.org>
CC:     <linux@...linux.org.uk>, <mark.rutland@....com>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...com>,
        <lars@...afoo.de>, <knaack.h@....de>, <pmeerw@...erw.net>,
        <fabrice.gasnier@...com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <benjamin.gaignard@...aro.org>,
        <arnaud.pouliquen@...com>
Subject: [PATCH] dt-bindings: iio: adc: sd-modulator: fix io-channel-cells

io-channel-cells should be <0> since sigma delta modulator exports only
one channel, as described in ../iio/iio-bindings.txt "IIO providers"
section. Only the phandle is necessary for IIO consumers in this case.

Fixes: af11143757b7 ("IIO: Add DT bindings for sigma delta adc modulator")

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
---
 Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt
index e9ebb8a..ba24ca7 100644
--- a/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt
+++ b/Documentation/devicetree/bindings/iio/adc/sigma-delta-modulator.txt
@@ -3,11 +3,11 @@ Device-Tree bindings for sigma delta modulator
 Required properties:
 - compatible: should be "ads1201", "sd-modulator". "sd-modulator" can be use
 	as a generic SD modulator if modulator not specified in compatible list.
-- #io-channel-cells = <1>: See the IIO bindings section "IIO consumers".
+- #io-channel-cells = <0>: See the IIO bindings section "IIO consumers".
 
 Example node:
 
 	ads1202: adc@0 {
 		compatible = "sd-modulator";
-		#io-channel-cells = <1>;
+		#io-channel-cells = <0>;
 	};
-- 
1.9.1