linux-kernel - RE: [PATCH 01/23] dt-bindings: clock: Document FSD CMU bindings

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Message-ID: <076201d8090a$5208eff0$f61acfd0$@samsung.com>
Date:   Fri, 14 Jan 2022 11:18:10 +0530
From:   "Alim Akhtar" <alim.akhtar@...sung.com>
To:     "'Krzysztof Kozlowski'" <krzysztof.kozlowski@...onical.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Cc:     <soc@...nel.org>, <linux-clk@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <olof@...om.net>,
        <linus.walleij@...aro.org>, <catalin.marinas@....com>,
        <robh+dt@...nel.org>, <s.nawrocki@...sung.com>,
        <linux-samsung-soc@...r.kernel.org>, <pankaj.dubey@...sung.com>,
        <linux-fsd@...la.com>
Subject: RE: [PATCH 01/23] dt-bindings: clock: Document FSD CMU bindings



>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@...onical.com]
>Sent: Thursday, January 13, 2022 6:11 PM
>To: Alim Akhtar <alim.akhtar@...sung.com>; linux-arm-
>kernel@...ts.infradead.org; linux-kernel@...r.kernel.org
>Cc: soc@...nel.org; linux-clk@...r.kernel.org; devicetree@...r.kernel.org;
>olof@...om.net; linus.walleij@...aro.org; catalin.marinas@....com;
>robh+dt@...nel.org; s.nawrocki@...sung.com; linux-samsung-
>soc@...r.kernel.org; pankaj.dubey@...sung.com; linux-fsd@...la.com
>Subject: Re: [PATCH 01/23] dt-bindings: clock: Document FSD CMU bindings
>
>On 13/01/2022 13:11, Alim Akhtar wrote:
>> Add dt-schema documentation for Tesla FSD SoC clock controller.
>>
>> Cc: linux-fsd@...la.com
>> Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
>> ---
>>  .../bindings/clock/tesla,fsd-clock.yaml       | 212 ++++++++++++++++++
>>  1 file changed, 212 insertions(+)
>>  create mode 100644
>> Documentation/devicetree/bindings/clock/tesla,fsd-clock.yaml
>>
>> diff --git
>> a/Documentation/devicetree/bindings/clock/tesla,fsd-clock.yaml
>> b/Documentation/devicetree/bindings/clock/tesla,fsd-clock.yaml
>> new file mode 100644
>> index 000000000000..58f341e5004d
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/clock/tesla,fsd-clock.yaml
>> @@ -0,0 +1,212 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
>> +---
>> +$id:
>> +https://protect2.fireeye.com/v1/url?k=7e607c7a-1f1d943d-7e61f735-74fe
>> +485fff30-a4acf0e03cbf256d&q=1&e=05b30de9-b535-49f7-9359-
>77edd951da07&
>> +u=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fclock%2Ftesla%2Cfsd-
>clock.y
>> +aml%23
>> +$schema:
>> +https://protect2.fireeye.com/v1/url?k=5c769dcb-3d0b758c-5c771684-74fe
>> +485fff30-b4007a892a5a3e44&q=1&e=05b30de9-b535-49f7-9359-
>77edd951da07&
>> +u=http%3A%2F%2Fdevicetree.org%2Fmeta-schemas%2Fcore.yaml%23
>> +
>> +title: Tesla FSD (Full Self-Driving) SoC clock controller
>> +
>> +maintainers:
>> +  - Alim Akhtar <alim.akhtar@...sung.com>
>> +  - linux-fsd@...la.com
>> +
>> +description: |
>> +  FSD clock controller consist of several clock management unit
>> +  (CMU), which generates clocks for various inteernal SoC blocks.
>> +  The root clock comes from external OSC clock (24 MHz).
>> +
>> +  All available clocks are defined as preprocessor macros in
>> + 'dt-bindings/clock/fsd-clk.h' header.
>> +
>> +properties:
>> +  compatible:
>> +    enum:
>> +      - tesla,fsd-clock-cmu
>> +      - tesla,fsd-clock-imem
>> +      - tesla,fsd-clock-peric
>> +      - tesla,fsd-clock-fsys0
>> +      - tesla,fsd-clock-fsys1
>> +      - tesla,fsd-clock-mfc
>> +      - tesla,fsd-clock-cam_csi
>> +
>> +  clocks:
>> +    minItems: 1
>> +    maxItems: 6
>> +
>> +  clock-names:
>> +    minItems: 1
>> +    maxItems: 6
>> +
>> +  "#clock-cells":
>> +    const: 1
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +allOf:
>> +  - if:
>> +      properties:
>> +        compatible:
>> +          contains:
>> +            const: tesla,fsd-clock-cmu
>> +
>
>Nitpick: Drop the white-spaces between if-then. It's easier to spot the if-
>blocks if they are together.
>
Thanks will fix in next version

>> +    then:
>> +      properties:
>> +        clocks:
>> +          items:
>> +            - description: External reference clock (24 MHz)
>> +
>
>Drop this whitespace as well.
>
Noted

>Rest looks good to me, except the discussion about the compatible.
>
Have replied to the original question thread. 
>
>Best regards,
>Krzysztof