Re: [PATCH v3 1/7] media: dt-bindings: Document SC8280XP/SM8350 Venus

From: Dikshita Agarwal

Date: Mon Feb 02 2026 - 03:12:24 EST




On 1/31/2026 1:03 PM, Dmitry Baryshkov wrote:
> On Fri, Jan 30, 2026 at 05:59:48PM +0530, Dikshita Agarwal wrote:
>>
>>
>> On 1/25/2026 9:02 PM, Dmitry Baryshkov wrote:
>>> From: Konrad Dybcio <konradybcio@xxxxxxxxxx>
>>>
>>> Both of these SoCs implement an IRIS2 block, with SC8280XP being able
>>> to clock it a bit higher and with SM8350 having 4 VPP pipes, while
>>> SC8280XP having just 2.
>>>
>>> Document Iris2 cores found on these SoCs.
>>>
>>> Signed-off-by: Konrad Dybcio <konradybcio@xxxxxxxxxx>
>>> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
>>> [ bod: dropped dts video-encoder/video-decoder ]
>>> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
>>> [db: dropped status, dropped extra LLCC interconnect]
>>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxxxxxxxx>
>>> ---
>>> .../bindings/media/qcom,sm8350-venus.yaml | 113 +++++++++++++++++++++
>>> 1 file changed, 113 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/media/qcom,sm8350-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sm8350-venus.yaml
>>> new file mode 100644
>>> index 000000000000..d78bdc08d830
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/media/qcom,sm8350-venus.yaml
>>> @@ -0,0 +1,113 @@
>>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/media/qcom,sm8350-venus.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Qualcomm SM8350 Venus video encode and decode accelerators
>>
>> s/Venus/iris
>>
>>> +
>>> +maintainers:
>>> + - Konrad Dybcio <konradybcio@xxxxxxxxxx>
>>> +
>>> +description: |
>>> + The Venus Iris2 IP is a video encode and decode accelerator present
>>> + on Qualcomm platforms
>>> +
>>> +allOf:
>>> + - $ref: qcom,venus-common.yaml#
>>
>> Pls remove the reference to venus-common.yaml and follow schema of
>> sm8550-iris.yaml
>
> Why? For example, sm8750-iris uses venus-common.yaml.

Ack — in that case sm8750‑iris should be aligned as well.
Since Krzysztof’s patch [1] removes all venus-common references from
sm8550‑iris, all *-iris platforms should follow the same convention IMO.

[1]:
https://lore.kernel.org/linux-media/20250823155349.22344-2-krzysztof.kozlowski@xxxxxxxxxx/

Thanks,
Dikshita
>
>>
>>> +
>>> +properties:
>>> + compatible:
>>> + enum:
>>> + - qcom,sc8280xp-venus
>>> + - qcom,sm8350-venus
>>> +
>>> + clocks:
>>> + maxItems: 3
>>> +
>>> + clock-names:
>>> + items:
>>> + - const: iface
>>> + - const: core
>>> + - const: vcodec0_core
>>> +
>>> + resets:
>>> + maxItems: 1
>>> +
>>> + reset-names:
>>> + items:
>>> + - const: core
>>
>> It should be named as bus not core
>
> Ack
>
>>
>>> +
>>> + power-domains:
>>> + maxItems: 3
>>> +
>>> + power-domain-names:
>>> + items:
>>> + - const: venus
>>> + - const: vcodec0
>>> + - const: mx
>>> +
>>> + interconnects:
>>> + maxItems: 2
>>> +
>>> + interconnect-names:
>>> + items:
>>> + - const: cpu-cfg
>>> + - const: video-mem
>>> +
>>> + operating-points-v2: true
>>> + opp-table:
>>> + type: object
>>> +
>>> + iommus:
>>> + maxItems: 1
>>> +
>>> +required:
>>> + - compatible
>>> + - power-domain-names
>>> + - iommus
>>> +
>>> +unevaluatedProperties: false
>>> +
>>> +examples:
>>> + - |
>>> + #include <dt-bindings/interrupt-controller/arm-gic.h>
>>> + #include <dt-bindings/clock/qcom,gcc-sm8350.h>
>>> + #include <dt-bindings/clock/qcom,sm8350-videocc.h>
>>> + #include <dt-bindings/interconnect/qcom,icc.h>
>>> + #include <dt-bindings/interconnect/qcom,sm8350.h>
>>> + #include <dt-bindings/power/qcom-rpmpd.h>
>>> +
>>> + venus: video-codec@aa00000 {
>>> + compatible = "qcom,sm8350-venus";
>>> + reg = <0x0aa00000 0x100000>;
>>> + interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
>>> +
>>> + clocks = <&gcc GCC_VIDEO_AXI0_CLK>,
>>> + <&videocc VIDEO_CC_MVS0C_CLK>,
>>> + <&videocc VIDEO_CC_MVS0_CLK>;
>>> + clock-names = "iface",
>>> + "core",
>>> + "vcodec0_core";
>>> +
>>> + resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>;
>>> + reset-names = "core";
>>
>> s/core/bus following the existing YAML
>>
>> Thanks,
>> Dikshita
>>
>>> +
>>> + power-domains = <&videocc MVS0C_GDSC>,
>>> + <&videocc MVS0_GDSC>,
>>> + <&rpmhpd SM8350_MX>;
>>> + power-domain-names = "venus",
>>> + "vcodec0",
>>> + "mx";
>>> +
>>> + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
>>> + &config_noc SLAVE_VENUS_CFG QCOM_ICC_TAG_ACTIVE_ONLY>,
>>> + <&mmss_noc MASTER_VIDEO_P0 QCOM_ICC_TAG_ALWAYS
>>> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
>>> + interconnect-names = "cpu-cfg",
>>> + "video-mem";
>>> +
>>> + operating-points-v2 = <&venus_opp_table>;
>>> + iommus = <&apps_smmu 0x2100 0x400>;
>>> + memory-region = <&pil_video_mem>;
>>> + };
>>>
>