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Describe the hardware instead. >> OK，got it. >>>> Signed-off-by: Zhentao Guo >>>> --- >>>> .../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..d350b3e68a38 >>>> --- /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 >>>> + >>>> +description: >>>> + The Video Decoder Accelerator present on Amlogic SOCs. >>>> + It supports stateless h264 decoding. >>>> + >>>> +properties: >>>> + compatible: >>>> + const: amlogic,s4-vdec >>>> + >>>> + reg: >>>> + maxItems: 2 >>>> + >>>> + reg-names: >>>> + items: >>>> + - const: dos >>>> + - const: dmc >>>> + >>>> + interrupts: >>>> + maxItems: 2 >>>> + >>>> + interrupt-names: >>>> + items: >>>> + - const: core_hvdec >>>> + - const: core_vdec >>> Drop "core_" from both... or rather some consistency would be more >>> useful. Below you call them core_v and core_h, but there is also: >>> >>>> + >>>> + clocks: >>>> + items: >>>> + - description: Clock for dos core >>> core dos? >> To explain this, I would like to show you the structure diagram of the >> Amlogic hardware decoder IP: >> >> +-----------+------------------------+ >> |      |                        | >> |      |        vdec | >> |  | | >> |    dos +------------------------+ >> | | | >> |     |       hvdec | >> | | | >> +-----------+------------------------+ >> >> The IP consists of three cores. Dos core is in the front of the IP, >> which controls the rest two cores. The actual hardware decoding is >> handled by the two cores vdec and hvdec. >> >> Each of the three cores has its own independent clock source. > So everything could be called consistently "dos", "vdec" and "hvdec" in > all properties (clocks, interrupts etC). Got it, thanks! > > Best regards, > Krzysztof BRs Zhentao