linux-kernel - Re: [PATCH v2 2/4] dt-bindings: remoteproc: qcom: Convert wcnss documentation to YAML

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Date:   Fri, 9 Sep 2022 09:59:11 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sireesh Kodali <sireeshkodali1@...il.com>,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Cc:     bjorn.andersson@...aro.org, Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 2/4] dt-bindings: remoteproc: qcom: Convert wcnss
 documentation to YAML

On 08/09/2022 20:49, Sireesh Kodali wrote:
> This is a direct conversion of the existing txt documentation to YAML.
> It is in preparation for the addition of pronto-v3 to the docs. This
> patch doesn't document any of the existing subnodes/properties that are
> not documented in the existing txt file. That is done in a separate
> patch.
> 
> Signed-off-by: Sireesh Kodali <sireeshkodali1@...il.com>
> ---
>  .../bindings/remoteproc/qcom,wcnss-pil.yaml   | 263 ++++++++++++++++++
>  1 file changed, 263 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml
> 
> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml
> new file mode 100644
> index 000000000000..bc18139fdb91
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.yaml
> @@ -0,0 +1,263 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/remoteproc/qcom,wcnss-pil.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm WCNSS Peripheral Image Loader
> +
> +maintainers:
> +  - Bjorn Andersson <bjorn.andersson@...aro.org>

Use email from maintainers entry.

> +
> +description:
> +  This document defines the binding for a component that loads and boots
> +  firmware on the Qualcomm WCNSS core.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,riva-pil
> +      - qcom,pronto-v1-pil
> +      - qcom,pronto-v2-pil
> +
> +  reg:
> +    maxItems: 3
> +    description:
> +      The base address and size of the CCU, DXE and PMU register blocks
> +
> +  reg-names:
> +    items:
> +      - const: ccu
> +      - const: dxe
> +      - const: pmu
> +
> +  interrupts:
> +    minItems: 2
> +    maxItems: 5
> +
> +  interrupt-names:
> +    minItems: 2
> +    items:
> +      - const: wdog
> +      - const: fatal
> +      - const: ready
> +      - const: handover
> +      - const: stop-ack
> +
> +  firmware-name:
> +    $ref: /schemas/types.yaml#/definitions/string
> +    description:
> +      Relative firmware image path for the WCNSS core. Defaults to
> +      "wcnss.mdt".
> +
> +  vddpx-supply:
> +    description:
> +      PX regulator to be held on behalf of the booting of the WCNSS core
> +
> +  vddmx-supply:
> +    description:
> +      MX regulator to be held on behalf of the booting of the WCNSS core.
> +
> +  vddcx-supply:
> +    description:
> +      CX regulator to be held on behalf of the booting of the WCNSS core.
> +
> +  power-domains:
> +    maxItems: 2
> +
> +  power-domain-names:
> +    items:
> +      - const: cx
> +      - const: mx
> +
> +  qcom,smem-states:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array
> +    description:
> +      States used by the AP to signal the WCNSS core that it should shutdown
> +    items:
> +      - description: Stop the modem
> +
> +  qcom,smem-state-names:
> +    description: The names of the state bits used for SMP2P output
> +    items:
> +      - const: stop
> +
> +  memory-region:
> +    maxItems: 1
> +    description: reserved-memory for the WCNSS core
> +
> +  smd-edge:
> +    $ref: /schemas/remoteproc/qcom,smd-edge.yaml#
> +    description:
> +      Qualcomm Shared Memory subnode which represents communication edge,
> +      channels and devices related to the ADSP.
> +
> +  iris:
> +    type: object
> +    description:
> +      The iris subnode of the WCNSS PIL is used to describe the attached RF module
> +      and its resource dependencies.
> +
additionalProperties false on this level.

> +    properties:
> +      compatible:
> +        enum:
> +          - qcom,wcn3620
> +          - qcom,wcn3660
> +          - qcom,wcn3660b
> +          - qcom,wcn3680
> +
> +      clocks:
> +        minItems: 1
> +        items:
> +          - description: XO clock
> +          - description: RF clock
> +
> +      clock-names:
> +        minItems: 1
> +        items:
> +          - const: xo
> +          - const: rf
> +
> +      vddxo-supply:
> +        description:
> +          Reference to the regulator to be held on behalf of the booting WCNSS
> +          core
> +
> +      vddrfa-supply:
> +        description:
> +          Reference to the regulator to be held on behalf of the booting WCNSS
> +          core
> +
> +      vddpa-supply:
> +        description:
> +          Reference to the regulator to be held on behalf of the booting WCNSS
> +          core
> +
> +      vdddig-supply:

Best regards,
Krzysztof