linux-kernel - [PATCH V4 1/2] dt-bindings: iio: accel: mma8452: add optional power supply property

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Message-ID: <1544504839-10958-1-git-send-email-Anson.Huang@nxp.com>
Date:   Tue, 11 Dec 2018 05:13:14 +0000
From:   Anson Huang <anson.huang@....com>
To:     "jic23@...nel.org" <jic23@...nel.org>,
        "knaack.h@....de" <knaack.h@....de>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "pmeerw@...erw.net" <pmeerw@...erw.net>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "martink@...teo.de" <martink@...teo.de>,
        Leonard Crestez <leonard.crestez@....com>,
        "rtresidd@...ctromag.com.au" <rtresidd@...ctromag.com.au>,
        "gustavo@...eddedor.com" <gustavo@...eddedor.com>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "festevam@...il.com" <festevam@...il.com>,
        "preid@...ctromag.com.au" <preid@...ctromag.com.au>
CC:     dl-linux-imx <linux-imx@....com>
Subject: [PATCH V4 1/2] dt-bindings: iio: accel: mma8452: add optional power
 supply property

The accelerometer's power supply could be controlled by regulator
on some platforms, add optional property "vdd/vddio" power supply
to let device tree to pass phandles to the regulators to driver.

Signed-off-by: Anson Huang <Anson.Huang@....com>
---
 Documentation/devicetree/bindings/iio/accel/mma8452.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/accel/mma8452.txt b/Documentation/devicetree/bindings/iio/accel/mma8452.txt
index 2100e9a..e132394 100644
--- a/Documentation/devicetree/bindings/iio/accel/mma8452.txt
+++ b/Documentation/devicetree/bindings/iio/accel/mma8452.txt
@@ -20,6 +20,10 @@ Optional properties:
   - interrupt-names: should contain "INT1" and/or "INT2", the accelerometer's
 		     interrupt line in use.
 
+  - vdd-supply: phandle to the regulator that provides vdd power to the accelerometer.
+
+  - vddio-supply: phandle to the regulator that provides vddio power to the accelerometer.
+
 Example:
 
 	mma8453fc@1d {
-- 
2.7.4