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

From: Alim Akhtar
Date: Fri Jan 14 2022 - 00:48:33 EST




>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@xxxxxxxxxxxxx]
>Sent: Thursday, January 13, 2022 6:11 PM
>To: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>; linux-arm-
>kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
>Cc: soc@xxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
>olof@xxxxxxxxx; linus.walleij@xxxxxxxxxx; catalin.marinas@xxxxxxx;
>robh+dt@xxxxxxxxxx; s.nawrocki@xxxxxxxxxxx; linux-samsung-
>soc@xxxxxxxxxxxxxxx; pankaj.dubey@xxxxxxxxxxx; linux-fsd@xxxxxxxxx
>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@xxxxxxxxx
>> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
>> ---
>> .../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@xxxxxxxxxxx>
>> + - linux-fsd@xxxxxxxxx
>> +
>> +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