dt-bindings: mfd: hi6421: Add hi6421v530 compatible string

Add compatible string for HiSilicon Hi6421v530 PMIC.

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

diff --git a/Documentation/devicetree/bindings/mfd/hi6421.txt b/Documentation/devicetree/bindings/mfd/hi6421.txt
index 0d5a4466a494f6d473d9d7d85d077acf1e257e1d..22da96d344a7bc9b082942cd8e423616392bf4a5 100644 (file)
--- a/Documentation/devicetree/bindings/mfd/hi6421.txt
+++ b/Documentation/devicetree/bindings/mfd/hi6421.txt
@@ -1,7 +1,9 @@
 * 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: