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Message-ID: <2782645.mvXUDI8C0e@steina-w>
Date: Tue, 22 Apr 2025 12:13:04 +0200
From: Alexander Stein <alexander.stein@...tq-group.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>,
"open list:DRM DRIVERS" <dri-devel@...ts.freedesktop.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Cc: imx@...ts.linux.dev, Frank Li <Frank.Li@....com>
Subject: Re: [PATCH 1/1] dt-bindings: display: imx: convert fsl,
dcu.txt to yaml format
Am Donnerstag, 17. April 2025, 17:19:33 CEST schrieb Frank Li:
> 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
interrupts:
maxItems: 1
2D-ACE (DCU) has a single interrupt (204 in RM)
Best regards,
Alexander
> +
> + 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/
>
>
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