[PATCH 1/4] dt-bindings: phy: imx8mq-usb: add alternate reference clock

[Xu Yang]

Except default 24MHz clock, alternate 100MHz reference clock can be used
as USB PHY reference clock too. Add "alt" clock and clock name.

Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx>
---
 Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
index 22dd91591a09428214afaa4c9c8e37aae9bd8aba..268f86b04ce88cb81d2c06ee507fe0483d713f8f 100644
--- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
@@ -27,11 +27,16 @@ properties:
     const: 0
 
   clocks:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: PHY configuration clock
+      - description: Alternate PHY reference clock
 
   clock-names:
+    minItems: 1
     items:
       - const: phy
+      - const: alt
 
   power-domains:
     maxItems: 1

-- 
2.34.1