[PATCH v10 3/6] media: dt-bindings: Add Amlogic V4L2 video decoder

[Zhentao Guo]

Hi Krzysztof,
> On 29/09/2026 04:59, Zhentao Guo wrote:
>> Hi Krzysztof,
>>
>>> On Thu, Sep 24, 2026 at 03:55:10PM +0800, Zhentao Guo wrote:
>>>> Add bindings for Amlogic hardware decoder accelerator.
>>>>
>>>> Signed-off-by: Zhentao Guo <zhentao.guo at amlogic.com>
>>>> ---
>>>>    .../devicetree/bindings/media/amlogic,s4-vdec.yaml | 114 +++++++++++++++++++++
>>>>    1 file changed, 114 insertions(+)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/media/amlogic,s4-vdec.yaml b/Documentation/devicetree/bindings/media/amlogic,s4-vdec.yaml
>>>> new file mode 100644
>>>> index 000000000000..751043c3d9cc
>>>> --- /dev/null
>>>> +++ b/Documentation/devicetree/bindings/media/amlogic,s4-vdec.yaml
>>>> @@ -0,0 +1,114 @@
>>>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>>>> +# Copyright (C) 2025 Amlogic, Inc. All rights reserved
>>>> +%YAML 1.2
>>>> +---
>>>> +$id: http://devicetree.org/schemas/media/amlogic,s4-vdec.yaml#
>>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>>> +
>>>> +title: Amlogic Video Decode Accelerator
>>>> +
>>>> +maintainers:
>>>> +  - Zhentao Guo <zhentao.guo at amlogic.com>
>>>> +
>>>> +description:
>>>> +  The Video Decoder Accelerator present on Amlogic SOCs.
>>>> +  It supports stateless h264 decoding.
>>>> +
>>>> +properties:
>>>> +  compatible:
>>>> +    const: amlogic,s4-vdec
>>>> +
>>>> +  reg:
>>>> +    minItems: 2
>>> What is happening here? Previous version was different.
>> maxItems: 2 implies that a single items is also allowed,but the hardware actually requires at least two register regions (dos
> Since when?
It should have been minItems:2 ever since v1,I must admit that this is a 
long-standing mistake.
>> and dmc) to work, so minItems:2 makes sense here.
>>
>> The same applies to |power-domain| and |interrupts| below. At least 2
>> power-domains to make the hardware work, and at least 2 interrupts
>> needed for the two sub-cores.
>
> Best regards,
> Krzysztof

Best regards,

Zhentao