linux-kernel - Re: [PATCH v2 02/16] dt-bindings: display: imx: Add i.MX8qxp Display Controller display engine

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Message-ID: <963879e7-f45d-4d34-8fc6-643333a8d24e@nxp.com>
Date: Tue, 23 Jul 2024 17:51:51 +0800
From: Liu Ying <victor.liu@....com>
To: Rob Herring <robh@...nel.org>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-phy@...ts.infradead.org,
 p.zabel@...gutronix.de, airlied@...il.com, daniel@...ll.ch,
 maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de,
 krzk+dt@...nel.org, conor+dt@...nel.org, shawnguo@...nel.org,
 s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
 tglx@...utronix.de, vkoul@...nel.org, kishon@...nel.org,
 aisheng.dong@....com, agx@...xcpu.org, francesco@...cini.it, frank.li@....com
Subject: Re: [PATCH v2 02/16] dt-bindings: display: imx: Add i.MX8qxp Display
 Controller display engine

On 07/23/2024, Rob Herring wrote:
> On Fri, Jul 12, 2024 at 05:32:29PM +0800, Liu Ying wrote:
>> i.MX8qxp Display Controller display engine consists of all processing units
>> that operate in a display clock domain.
>>
>> Signed-off-by: Liu Ying <victor.liu@....com>
>> ---
>> v2:
>> * Drop fsl,dc-*-id DT properties. (Krzysztof)
>> * Drop port property. (Krzysztof)
>> * Fix register range sizes in example.
>>
>>  .../imx/fsl,imx8qxp-dc-display-engine.yaml    | 152 ++++++++++++++++++
>>  1 file changed, 152 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml
>> new file mode 100644
>> index 000000000000..91f3bb77d8d0
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8qxp-dc-display-engine.yaml
>> @@ -0,0 +1,152 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/display/imx/fsl,imx8qxp-dc-display-engine.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Freescale i.MX8qxp Display Controller Display Engine
>> +
>> +description:
>> +  All Processing Units that operate in a display clock domain. Pixel pipeline
>> +  is driven by a video timing and cannot be stalled. Implements all display
>> +  specific processing.
>> +
>> +maintainers:
>> +  - Liu Ying <victor.liu@....com>
>> +
>> +properties:
>> +  compatible:
>> +    const: fsl,imx8qxp-dc-display-engine
>> +
>> +  reg:
>> +    maxItems: 2
>> +
>> +  reg-names:
>> +    items:
>> +      - const: top
>> +      - const: cfg
>> +
>> +  resets:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 3
>> +
>> +  interrupt-names:
>> +    items:
>> +      - const: shdload
>> +      - const: framecomplete
>> +      - const: seqcomplete
>> +
>> +  power-domains:
>> +    maxItems: 1
>> +
>> +  "#address-cells":
>> +    const: 1
>> +
>> +  "#size-cells":
>> +    const: 1
>> +
>> +  ranges: true
>> +
>> +patternProperties:
>> +  "^dither@[0-9a-f]+$":
>> +    type: object
>> +    additionalProperties: true
>> +
>> +    properties:
>> +      compatible:
>> +        const: fsl,imx8qxp-dc-dither
> 
> Doesn't look like this and some other compatibles are fully documented. 
> They need to be.

Will document all processing units, command sequencer, axi performance
counter and blit engine in v3 if no objections.

> 
> Rob

-- 
Regards,
Liu Ying