linux-kernel - Re: [PATCH v5 0/1] dt-bindings: riscv: sophgo: add RTC for CV1800

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Date: Mon, 8 Jan 2024 09:02:27 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Jingbao Qiu <qiujingbao.dlmu@...il.com>, a.zummo@...ertech.it,
 alexandre.belloni@...tlin.com, robh+dt@...nel.org,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
 paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu
Cc: linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/1] dt-bindings: riscv: sophgo: add RTC for CV1800

On 08/01/2024 08:22, Jingbao Qiu wrote:
> Real Time Clock (RTC) is an independently powered module
> within the chip, which includes a 32KHz oscillator and
> a Power On Reset/POR submodule. It can be used for time
> display and timed alarm generation.
> 
> Power On Reset/POR submodule only using register resources
> so it should be empty. The 32KHz oscillator only provides
> pulses for RTC in hardware.
> 
> 
> Changes since v4:
> - remove POR dt-bindings because it empty 
> - remove MFD dt-bindings because SoC does
>   not have MFDs
> - add syscon attribute to share registers
>   with POR
> 
> v4: https://lore.kernel.org/all/20231229090643.116575-1-qiujingbao.dlmu@gmail.com/
> 
> Changes since v3:
> - temporarily not submitting RTC driver code
>   waiting for communication with IC designer

Hm, why?

We do not need bindings if nothing matches to them. If this binding is
for other upstream open-source project, please provide references.

See also:
https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L61

Best regards,
Krzysztof