[PATCH v4 7/7] mfd: AXP20x: add "x-powers,axp221" compatible string to DT bindings doc

[Boris BREZILLON]

Add "x-powers,axp221" compatible string to the AXP20x DT bindings
documentation.

Signed-off-by: Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/mfd/axp20x.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index cc9e01b..f22a169 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -5,7 +5,7 @@ axp202 (X-Powers)
 axp209 (X-Powers)
 
 Required properties:
-- compatible: "x-powers,axp202" or "x-powers,axp209"
+- compatible: "x-powers,axp202", "x-powers,axp209" or "x-powers,axp221"
 - reg: The I2C slave address for the AXP chip
 - interrupt-parent: The parent interrupt controller
 - interrupts: Interrupt specifiers for interrupt sources
-- 
1.8.3.2

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