dt-bindings: i2c: amlogic,meson6-i2c: add optional power-domains

On newer SoCs, the I2C hardware can require a power domain to operate.
Since the same compatible is used for older and newer SoCs make
power-domains property optional.

Signed-off-by: George Stark <gnstark@salutedevices.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

diff --git a/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml b/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
index 26bed558c6b8779721851540426a62f7f8bba2c4..c4cc8af18280785230021ebdb745c42e754abff0 100644 (file)
--- a/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
@@ -30,6 +30,9 @@ properties:
   clocks:
     minItems: 1
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg