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Date: Thu, 9 Jun 2022 15:22:32 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Tomer Maimon <tmaimon77@...il.com>
Cc: Avi Fishman <avifishman70@...il.com>,
Tali Perry <tali.perry1@...il.com>,
Joel Stanley <joel@....id.au>,
Patrick Venture <venture@...gle.com>,
Nancy Yuen <yuenn@...gle.com>,
Benjamin Fair <benjaminfair@...gle.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>,
Greg KH <gregkh@...uxfoundation.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
Olof Johansson <olof@...om.net>,
Jiri Slaby <jirislaby@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Marcel Ziswiler <marcel.ziswiler@...adex.com>,
Vinod Koul <vkoul@...nel.org>,
Biju Das <biju.das.jz@...renesas.com>,
Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@...hiba.co.jp>,
Robert Hancock <robert.hancock@...ian.com>,
Jonathan Neuschäfer <j.neuschaefer@....net>,
Lubomir Rintel <lkundrak@...sk>,
devicetree <devicetree@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-clk <linux-clk@...r.kernel.org>,
"open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
LINUXWATCHDOG <linux-watchdog@...r.kernel.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 06/20] dt-binding: clk: npcm845: Add binding for
Nuvoton NPCM8XX Clock
On 09/06/2022 15:17, Tomer Maimon wrote:
> Hi Krzysztof,
>
> Thanks for your comments.
>
> On Wed, 8 Jun 2022 at 13:03, Krzysztof Kozlowski
> <krzysztof.kozlowski@...aro.org> wrote:
>>
>> On 08/06/2022 11:56, Tomer Maimon wrote:
>>> Add binding for the Arbel BMC NPCM8XX Clock controller.
>>>
>>> Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
>>> ---
>>> .../bindings/clock/nuvoton,npcm845-clk.yaml | 63 +++++++++++++++++++
>>> .../dt-bindings/clock/nuvoton,npcm8xx-clock.h | 50 +++++++++++++++
>>> 2 files changed, 113 insertions(+)
>>> create mode 100644 Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
>>> create mode 100644 include/dt-bindings/clock/nuvoton,npcm8xx-clock.h
>>>
>>> diff --git a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
>>> new file mode 100644
>>> index 000000000000..e1f375716bc5
>>> --- /dev/null
>>> +++ b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml
>>> @@ -0,0 +1,63 @@
>>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
>>> +%YAML 1.2
>>> +---
>>> +$id: http://devicetree.org/schemas/clock/nuvoton,npcm845-clk.yaml#
>>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>>> +
>>> +title: Nuvoton NPCM8XX Clock Controller Binding
>>> +
>>> +maintainers:
>>> + - Tomer Maimon <tmaimon77@...il.com>
>>> +
>>> +description: |
>>> + Nuvoton Arbel BMC NPCM8XX contains an integrated clock controller, which
>>> + generates and supplies clocks to all modules within the BMC.
>>> +
>>> +properties:
>>> + compatible:
>>> + enum:
>>> + - nuvoton,npcm845-clk
>>> +
>>> + reg:
>>> + maxItems: 1
>>> +
>>> + clocks:
>>> + items:
>>> + - description: 25M reference clock
>>> + - description: CPU reference clock
>>> + - description: MC reference clock
>>> +
>>> + clock-names:
>>> + items:
>>> + - const: refclk
>>> + - const: sysbypck
>>> + - const: mcbypck
>>> +
>>
>> I asked what is the suffix about and you replied "ck"... ok, so let's
>> make clear. This should be:
>>
>> items:
>> - const: ref
>> - const: sysbyp
>> - const: mcbyp
>>
>> or something similar, without the same suffix all over.
> The clock names are the same clock name in our spec, this why we
> prefer to leave the clock names as is.
The naming with useless suffixes does not help. If your spec had
"refclk_really_clock_this_is_a_clock" you also would insist on that? It
does not make sense.
>>
>>> diff --git a/include/dt-bindings/clock/nuvoton,npcm8xx-clock.h b/include/dt-bindings/clock/nuvoton,npcm8xx-clock.h
>>> new file mode 100644
>>> index 000000000000..229915a254a5
>>> --- /dev/null
>>> +++ b/include/dt-bindings/clock/nuvoton,npcm8xx-clock.h
>>
>> Same comment as before. No changes here...
>>
> about the comments from V1::
> - Krzysztof: Filename - same as bindings, so nuvoton,npcm845-clk.h
> In NPCM7XX we use the same include file and clock source
> dt-binding
> https://elixir.bootlin.com/linux/v5.19-rc1/source/Documentation/devicetree/bindings/clock/nuvoton,npcm750-clk.txt
> dt-binding include
> https://elixir.bootlin.com/linux/v5.19-rc1/source/include/dt-bindings/clock/nuvoton,npcm7xx-clock.h
> we prefer to be align with our older BMC version
Older has incorrect name, so do not align to incorrect one. What is the
logic behind having header not matching the bindings file? It makes it
only more difficult to connect these two.
>
> - Krzysztof: Dual license, same as bindings.
> modified in the file * SPDX-License-Identifier: (GPL-2.0-only OR
> BSD-2-Clause) */
> the same license approved in en7523-clk include file and pushed to
> Linux kernel 5.19 :
> https://elixir.bootlin.com/linux/v5.19-rc1/source/include/dt-bindings/clock/en7523-clk.h
I don't understand this comment at all. I am not commenting about
en7523-clk.h. I am commenting about the header here - it should have
dual license. What en7523-clk.h has to do with it?
Best regards,
Krzysztof
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