linux-kernel - Re: [PATCH v6 1/7] media: dt-bindings: venus: Add qcm2290 dt schema

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Message-ID: <zk5cmielm4urfm22yszmjmwvi4mqvdsfthlonq6mij7rkijcsp@7evb3ejxuaj7>
Date: Tue, 15 Jul 2025 02:02:14 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
Cc: bryan.odonoghue@...aro.org, quic_vgarodia@...cinc.com,
        quic_dikshita@...cinc.com, krzk+dt@...nel.org, konradybcio@...nel.org,
        mchehab@...nel.org, robh@...nel.org, conor+dt@...nel.org,
        andersson@...nel.org, amit.kucheria@....qualcomm.com,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 1/7] media: dt-bindings: venus: Add qcm2290 dt schema

On Tue, Jul 08, 2025 at 08:05:24PM +0200, Jorge Ramirez-Ortiz wrote:
> Add a schema for the venus video encoder/decoder on the qcm2290.
> 
> Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
>  .../bindings/media/qcom,qcm2290-venus.yaml    | 127 ++++++++++++++++++
>  1 file changed, 127 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml
> 
> diff --git a/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml b/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml
> new file mode 100644
> index 000000000000..0371f8dd91a3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/qcom,qcm2290-venus.yaml
> @@ -0,0 +1,127 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/qcom,qcm2290-venus.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm QCM2290 Venus video encode and decode accelerators
> +
> +maintainers:
> +  - Vikash Garodia <quic_vgarodia@...cinc.com>
> +
> +description:
> +  The Venus AR50_LITE IP is a video encode and decode accelerator present
> +  on Qualcomm platforms
> +
> +allOf:
> +  - $ref: qcom,venus-common.yaml#
> +
> +properties:
> +  compatible:
> +    const: qcom,qcm2290-venus
> +
> +  power-domains:
> +    maxItems: 3
> +
> +  power-domain-names:
> +    items:
> +      - const: venus
> +      - const: vcodec0
> +      - const: cx
> +
> +  clocks:
> +    maxItems: 6
> +
> +  clock-names:
> +    items:
> +      - const: core
> +      - const: iface
> +      - const: bus
> +      - const: throttle
> +      - const: vcodec0_core
> +      - const: vcodec0_bus
> +
> +  iommus:
> +    minItems: 1
> +    maxItems: 5

The hardware can't have between 1 and 5 IOMMUs. Please describe what we
have.

> +
> +  interconnects:
> +    maxItems: 2
> +
> +  interconnect-names:
> +    items:
> +      - const: video-mem
> +      - const: cpu-cfg
> +
> +  operating-points-v2: true
> +  opp-table:
> +    type: object
> +
> +required:
> +  - compatible
> +  - power-domain-names
> +  - iommus
> +
> +unevaluatedProperties: false
> +

-- 
With best wishes
Dmitry