dt-bindings: clock: imx6q[ul]-clock: add optional clock enet[1]_ref_pad

Add optional clock source enet_ref_pad for imx6q, enet1_ref_pad for imx6ul,
which input from ENET ref pad.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Link: https://patch.msgid.link/20260121-ccm_dts-v3-1-820ce9b5fa38@nxp.com
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>

Author: nxpfrankli

Documentation/devicetree/bindings/clock/imx6q-clock.yaml

@@ -29,20 +29,24 @@ properties:
     const: 1
 
   clocks:
+    minItems: 5
     items:
       - description: 24m osc
       - description: 32k osc
       - description: ckih1 clock input
       - description: anaclk1 clock input
       - description: anaclk2 clock input
+      - description: clock input from enet ref pad
 
   clock-names:
+    minItems: 5
     items:
       - const: osc
       - const: ckil
       - const: ckih1
       - const: anaclk1
       - const: anaclk2
+      - const: enet_ref_pad
 
   fsl,pmic-stby-poweroff:
     $ref: /schemas/types.yaml#/definitions/flag

Documentation/devicetree/bindings/clock/imx6ul-clock.yaml

@@ -29,18 +29,22 @@ properties:
     const: 1
 
   clocks:
+    minItems: 4
     items:
       - description: 32k osc
       - description: 24m osc
       - description: ipp_di0 clock input
       - description: ipp_di1 clock input
+      - description: clock input from enet1 ref pad
 
   clock-names:
+    minItems: 4
     items:
       - const: ckil
       - const: osc
       - const: ipp_di0
       - const: ipp_di1
+      - const: enet1_ref_pad
 
 required:
   - compatible