linux-kernel - [PATCH 3/4] dt-bindings: mp886x: Document MP8867 support

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Message-ID: <20200313224527.3b4ae79b@xhacker>
Date:   Fri, 13 Mar 2020 22:45:27 +0800
From:   Jisheng Zhang <jszhang3@...l.ustc.edu.cn>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH 3/4] dt-bindings: mp886x: Document MP8867 support

From: Jisheng Zhang <Jisheng.Zhang@...aptics.com>

MP8867 is an I2C-controlled adjustable voltage regulator made by
Monolithic Power Systems. The difference between MP8867 and MP8869
are:
1.If V_BOOT, the vref of MP8869 is fixed at 600mv while vref of MP8867
is determined by the I2C control.
2.For MP8867, when setting voltage, if the steps is within 5, we need
to manually set the GO_BIT to 0.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
---
 Documentation/devicetree/bindings/regulator/mp886x.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/regulator/mp886x.txt b/Documentation/devicetree/bindings/regulator/mp886x.txt
index 6858e38..5518678 100644
--- a/Documentation/devicetree/bindings/regulator/mp886x.txt
+++ b/Documentation/devicetree/bindings/regulator/mp886x.txt
@@ -1,7 +1,9 @@
-Monolithic Power Systems MP8869 voltage regulator
+Monolithic Power Systems MP8867/MP8869 voltage regulator
 
 Required properties:
-- compatible: "mps,mp8869";
+- compatible: Must be one of the following.
+	"mps,mp8867",
+	"mps,mp8869",
 - reg: I2C slave address.
 - enable-gpios: enable gpios.
 - mps,fb-voltage-divider: An array of two integers containing the resistor
-- 
2.7.4