linux-kernel - [PATCH 1/1] dt-bindings: lcdif: add lcd panel related property for imx28

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Message-Id: <20250529200520.798117-1-Frank.Li@nxp.com>
Date: Thu, 29 May 2025 16:05:19 -0400
From: Frank Li <Frank.Li@....com>
To: Marek Vasut <marex@...x.de>,
	Stefan Agner <stefan@...er.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	dri-devel@...ts.freedesktop.org (open list:MXSFB DRM DRIVER),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
	linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH 1/1] dt-bindings: lcdif: add lcd panel related property for imx28

Allow lcd panel related property for imx28 and keep the same restriction
for other platform. It is legancy platform and set these property to
deprecated.

Fix below CHECK_DTB warnings:
arch/arm/boot/dts/nxp/mxs/imx28-apx4devkit.dtb: lcdif@...30000 (fsl,imx28-lcdif): 'display', 'display0' do not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Frank Li <Frank.Li@....com>
---
 .../bindings/display/fsl,lcdif.yaml           | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
index 8e3a98aeec32d..2dd0411ec6516 100644
--- a/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
+++ b/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
@@ -71,12 +71,23 @@ properties:
     $ref: /schemas/graph.yaml#/properties/port
     description: The LCDIF output port
 
+  display:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: phandle to display panel
+    deprecated: true
+
+  display0:
+    $ref: panel/panel-common.yaml#
+    deprecated: true
+
+  lcd-supply:
+    deprecated: true
+
 required:
   - compatible
   - reg
   - clocks
   - interrupts
-  - port
 
 additionalProperties: false
 
@@ -175,6 +186,12 @@ allOf:
       properties:
         dmas: false
         dma-names: false
+        display: false
+        display0: false
+        lcd-supply: false
+
+      required:
+        - port
 
 examples:
   - |
-- 
2.34.1