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Message-Id: <20250417151934.3570681-1-Frank.Li@nxp.com>
Date: Thu, 17 Apr 2025 11:19:33 -0400
From: Frank Li <Frank.Li@....com>
To: 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>,
Stefan Agner <stefan@...er.ch>,
Alison Wang <alison.wang@....com>,
dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS),
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: display: imx: convert fsl,dcu.txt to yaml format
Convert fsl,dcu.txt to yaml format.
Additional changes:
- remove label in example.
- change node to display-controller in example.
- use 32bit address in example.
Signed-off-by: Frank Li <Frank.Li@....com>
---
.../devicetree/bindings/display/fsl,dcu.txt | 34 ----------
.../bindings/display/fsl,ls1021a-dcu.yaml | 68 +++++++++++++++++++
MAINTAINERS | 2 +-
3 files changed, 69 insertions(+), 35 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/display/fsl,dcu.txt
create mode 100644 Documentation/devicetree/bindings/display/fsl,ls1021a-dcu.yaml
diff --git a/Documentation/devicetree/bindings/display/fsl,dcu.txt b/Documentation/devicetree/bindings/display/fsl,dcu.txt
deleted file mode 100644
index 63ec2a624aa94..0000000000000
--- a/Documentation/devicetree/bindings/display/fsl,dcu.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-Device Tree bindings for Freescale DCU DRM Driver
-
-Required properties:
-- compatible: Should be one of
- * "fsl,ls1021a-dcu".
- * "fsl,vf610-dcu".
-
-- reg: Address and length of the register set for dcu.
-- clocks: Handle to "dcu" and "pix" clock (in the order below)
- This can be the same clock (e.g. LS1021a)
- See ../clocks/clock-bindings.txt for details.
-- clock-names: Should be "dcu" and "pix"
- See ../clocks/clock-bindings.txt for details.
-- big-endian Boolean property, LS1021A DCU registers are big-endian.
-- port Video port for the panel output
-
-Optional properties:
-- fsl,tcon: The phandle to the timing controller node.
-
-Examples:
-dcu: dcu@...0000 {
- compatible = "fsl,ls1021a-dcu";
- reg = <0x0 0x2ce0000 0x0 0x10000>;
- clocks = <&platform_clk 0>, <&platform_clk 0>;
- clock-names = "dcu", "pix";
- big-endian;
- fsl,tcon = <&tcon>;
-
- port {
- dcu_out: endpoint {
- remote-endpoint = <&panel_out>;
- };
- };
-};
diff --git a/Documentation/devicetree/bindings/display/fsl,ls1021a-dcu.yaml b/Documentation/devicetree/bindings/display/fsl,ls1021a-dcu.yaml
new file mode 100644
index 0000000000000..7246c89271a8d
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/fsl,ls1021a-dcu.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/fsl,ls1021a-dcu.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale DCU DRM Driver
+
+maintainers:
+ - Frank Li <Frank.Li@....com>
+
+properties:
+ compatible:
+ enum:
+ - fsl,ls1021a-dcu
+ - fsl,vf610-dcu
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: dcu
+ - const: pix
+
+ big-endian: true
+
+ port:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description: Video port for the panel output
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ fsl,tcon:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: The phandle to the timing controller node.
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ display-controller@...0000 {
+ compatible = "fsl,ls1021a-dcu";
+ reg = <0x2ce0000 0x10000>;
+ clocks = <&platform_clk 0>, <&platform_clk 0>;
+ clock-names = "dcu", "pix";
+ big-endian;
+ fsl,tcon = <&tcon>;
+
+ port {
+ endpoint {
+ remote-endpoint = <&panel_out>;
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 65e0716554203..02504134e1f5d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7894,7 +7894,7 @@ M: Alison Wang <alison.wang@....com>
L: dri-devel@...ts.freedesktop.org
S: Supported
T: git https://gitlab.freedesktop.org/drm/misc/kernel.git
-F: Documentation/devicetree/bindings/display/fsl,dcu.txt
+F: Documentation/devicetree/bindings/display/fsl,ls1021a-dcu.yaml
F: Documentation/devicetree/bindings/display/fsl,tcon.txt
F: drivers/gpu/drm/fsl-dcu/
--
2.34.1
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