linux-kernel - Re: [PATCH v4 1/6] dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom

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Date:   Fri, 23 Jun 2023 18:36:34 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Komal Bajaj <quic_kbajaj@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v4 1/6] dt-bindings: nvmem: sec-qfprom: Add bindings for
 secure qfprom

On 23/06/2023 16:18, Komal Bajaj wrote:
> This patch adds bindings for secure qfprom found in QCOM SOCs.
> SECURE QFPROM driver is based on simple nvmem framework.
> 
> Signed-off-by: Komal Bajaj <quic_kbajaj@...cinc.com>
> ---
>  .../bindings/nvmem/qcom,sec-qfprom.yaml       | 58 +++++++++++++++++++
>  1 file changed, 58 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml
> new file mode 100644
> index 000000000000..675e27918c7b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/qcom,sec-qfprom.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/nvmem/qcom,sec-qfprom.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies Inc, SECURE QFPROM Efuse

SECURE is not acronym, so "Secure".

> +
> +maintainers:
> +  - Komal Bajaj <quic_kbajaj@...cinc.com>

Add description: with explanation what is this.  Specifically it should
be quite clear what is here different than regular QFPROM

> +
> +allOf:
> +  - $ref: nvmem.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - qcom,qdu1000-sec-qfprom
> +      - const: qcom,sec-qfprom
> +
> +  reg:
> +    items:
> +      - description: The secure qfprom corrected region.
> +
> +  # Needed if any child nodes are present.
> +  "#address-cells":
> +    const: 1
> +  "#size-cells":
> +    const: 1

Drop both, they are not needed.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,gcc-sc7180.h>
> +
> +    soc {
> +      #address-cells = <2>;
> +      #size-cells = <2>;
> +
> +      efuse@...c8000 {
> +        compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom";
> +        reg = <0 0x221c8000 0 0x1000>;
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +
> +        multi_chan_ddr: multi_chan_ddr@12b {

No underscores in node names.


Best regards,
Krzysztof