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Message-Id: <20251118071947.2504789-1-xu.yang_2@nxp.com>
Date: Tue, 18 Nov 2025 15:19:46 +0800
From: Xu Yang <xu.yang_2@....com>
To: vkoul@...nel.org,
	kishon@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	jun.li@....com,
	Frank.Li@....com,
	linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v4 1/2] dt-bindings: phy: imx8mq-usb: add alternate reference clock

Beside default 24MHz clock input, there is an optional additional 100Mhz
clock input 'alt' for USB PHY reference clock.

Reviewed-by: Frank Li <Frank.Li@....com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
Signed-off-by: Xu Yang <xu.yang_2@....com>

---
Changes in v2:
 - improve commit message
Changes in v3:
 - no changes
Changes in v4:
 - no changes
---
 .../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 f9cffbb2df07..8a00a6c58edd 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


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