linux-kernel - [PATCH] dt-bindings: phy: imx8mq-usb: Drop ref for fsl,phy-pcs-tx-deemph-3p5db-attenuation-db

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Message-Id: <20250721065424.4192351-1-peng.fan@nxp.com>
Date: Mon, 21 Jul 2025 14:54:24 +0800
From: Peng Fan <peng.fan@....com>
To: Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Li Jun <jun.li@....com>,
	Peng Fan <peng.fan@....com>,
	Xu Yang <xu.yang_2@....com>,
	Frank Li <Frank.Li@....com>,
	linux-phy@...ts.infradead.org (open list:GENERIC PHY FRAMEWORK),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	imx@...ts.linux.dev (open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] dt-bindings: phy: imx8mq-usb: Drop ref for fsl,phy-pcs-tx-deemph-3p5db-attenuation-db

Address the device tree check warning: "phy@...f0040 (fsl,imx95-usb-phy):
fsl,phy-pcs-tx-deemph-3p5db-attenuation-db: 17 is not of type 'array'"

And dt_binding_check reports:
properties:fsl,phy-pcs-tx-deemph-3p5db-attenuation-db: '$ref' should not be
valid under {'const': '$ref'}
hint: Standard unit suffix properties don't need a type $ref

So remove ref for fsl,phy-pcs-tx-deemph-3p5db-attenuation-db.

Fixes: 04c9dd9c7d19 ("arm64: dts: imx95-evk: add USB3 PHY tuning properties")
Signed-off-by: Peng Fan <peng.fan@....com>
---
 Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml | 1 -
 1 file changed, 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 22dd91591a09..6a47e08e0e97 100644
--- a/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/fsl,imx8mq-usb-phy.yaml
@@ -76,7 +76,6 @@ properties:
     description:
       Adjust TX de-emphasis attenuation in dB at nominal
       3.5dB point as per USB specification
-    $ref: /schemas/types.yaml#/definitions/uint32
     minimum: 0
     maximum: 36
 
-- 
2.37.1