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-rw-r--r--dts/Bindings/gpio/gpio-vf610.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/dts/Bindings/gpio/gpio-vf610.txt b/dts/Bindings/gpio/gpio-vf610.txt
index 0ccbae4401..ae254aadee 100644
--- a/dts/Bindings/gpio/gpio-vf610.txt
+++ b/dts/Bindings/gpio/gpio-vf610.txt
@@ -24,6 +24,12 @@ Required properties for GPIO node:
4 = active high level-sensitive.
8 = active low level-sensitive.
+Optional properties:
+-clocks: Must contain an entry for each entry in clock-names.
+ See common clock-bindings.txt for details.
+-clock-names: A list of clock names. For imx7ulp, it must contain
+ "gpio", "port".
+
Note: Each GPIO port should have an alias correctly numbered in "aliases"
node.