linux-kernel - Re: [PATCH V4 2/6] dt-bindings: clock: Add Qualcomm IPQ5424 GCC binding

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Message-ID: <nznisr4aqpe65fovvk3q3r6capmqj4jm4xsqufjib2b7vax4xx@6r3tzaar2w3p>
Date: Fri, 18 Oct 2024 08:13:03 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Sricharan R <quic_srichara@...cinc.com>
Cc: andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org, 
	krzk+dt@...nel.org, conor+dt@...nel.org, mturquette@...libre.com, sboyd@...nel.org, 
	ulf.hansson@...aro.org, linus.walleij@...aro.org, catalin.marinas@....com, 
	p.zabel@...gutronix.de, geert+renesas@...der.be, dmitry.baryshkov@...aro.org, 
	neil.armstrong@...aro.org, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, linux-mmc@...r.kernel.org, 
	linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, quic_varada@...cinc.com
Subject: Re: [PATCH V4 2/6] dt-bindings: clock: Add Qualcomm IPQ5424 GCC
 binding

On Thu, Oct 17, 2024 at 06:06:22PM +0530, Sricharan R wrote:
> From: Sricharan Ramabadhran <quic_srichara@...cinc.com>
> 
> Add binding for the Qualcomm IPQ5424 Global Clock Controller
> 
> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
> ---
>  [V4] Added 2 new PCIE clks to end of the list, preserving default order
> 
>  .../bindings/clock/qcom,ipq5332-gcc.yaml      |  40 ++-
>  include/dt-bindings/clock/qcom,ipq5424-gcc.h  | 156 +++++++++
>  include/dt-bindings/reset/qcom,ipq5424-gcc.h  | 310 ++++++++++++++++++
>  3 files changed, 499 insertions(+), 7 deletions(-)
>  create mode 100644 include/dt-bindings/clock/qcom,ipq5424-gcc.h
>  create mode 100644 include/dt-bindings/reset/qcom,ipq5424-gcc.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
> index 9193de681de2..ef1fd9d9f8da 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,ipq5332-gcc.yaml
> @@ -4,31 +4,35 @@
>  $id: http://devicetree.org/schemas/clock/qcom,ipq5332-gcc.yaml#
>  $schema: http://devicetree.org/meta-schemas/core.yaml#
>  
> -title: Qualcomm Global Clock & Reset Controller on IPQ5332
> +title: Qualcomm Global Clock & Reset Controller on IPQ5332 and IPQ5424
>  
>  maintainers:
>    - Bjorn Andersson <andersson@...nel.org>
>  
>  description: |
>    Qualcomm global clock control module provides the clocks, resets and power
> -  domains on IPQ5332.
> +  domains on IPQ5332 and IPQ5424.
>  
> -  See also:: include/dt-bindings/clock/qcom,gcc-ipq5332.h
> -
> -allOf:
> -  - $ref: qcom,gcc.yaml#
> +  See also:
> +    include/dt-bindings/clock/qcom,gcc-ipq5332.h
> +    include/dt-bindings/clock/qcom,gcc-ipq5424.h
>  
>  properties:
>    compatible:
> -    const: qcom,ipq5332-gcc
> +    enum:
> +      - qcom,ipq5332-gcc
> +      - qcom,ipq5424-gcc
>  
>    clocks:
> +    minItems: 5
>      items:
>        - description: Board XO clock source
>        - description: Sleep clock source
>        - description: PCIE 2lane PHY pipe clock source
>        - description: PCIE 2lane x1 PHY pipe clock source (For second lane)
>        - description: USB PCIE wrapper pipe clock source
> +      - description: PCIE 2-lane PHY2 pipe clock source
> +      - description: PCIE 2-lane PHY3 pipe clock source
>  
>    '#power-domain-cells': false
>    '#interconnect-cells':
> @@ -38,6 +42,28 @@ required:
>    - compatible
>    - clocks
>  
> +allOf:
> +  - $ref: qcom,gcc.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,ipq5332-gcc
> +    then:
> +      properties:
> +        clocks:
> +          maxItems: 5
> +
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: qcom,ipq5424-gcc
> +    then:
> +      properties:
> +        clocks:

This needs minItems: 7, unless clocks are really optional (but they
shouldn't be optional). I think I missed this part last time.

Best regards,
Krzysztof