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diff --git a/Documentation/devicetree/bindings/mfd/hi6421.txt b/Documentation/devicetree/bindings/mfd/hi6421.txt
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* HI6421 Multi-Functional Device (MFD), by HiSilicon Ltd.
Required parent device properties:
-- compatible : contains "hisilicon,hi6421-pmic";
+- compatible : One of the following chip-specific strings:
+ "hisilicon,hi6421-pmic";
+ "hisilicon,hi6421v530-pmic";
- reg : register range space of hi6421;
Supported Hi6421 sub-devices include: