From: Krzysztof Kozlowski <krzk@kernel.org>
To: David Wang <tomato1220@gmail.com>,
a.zummo@towertech.it, alexandre.belloni@bootlin.com,
robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org
Cc: andrew@aj.id.au, avi.fishman@gmail.com, tmaimon77@gmail.com,
tali.perry1@gmail.com, venture@google.com, yuenn@google.com,
benjaminfair@google.com, ctcchien@nuvoton.com,
mimi05633@gmail.com, openbmc@lists.ozlabs.org,
linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, davidwang@quantatw.com
Subject: Re: [PATCH 1/2] dt-bindings: rtc: nct3018y: add nuvoton,ctrl-reg-val property
Date: Thu, 9 Apr 2026 09:23:28 +0200 [thread overview]
Message-ID: <a1e24b69-b90a-47d7-b952-bca45fcc6281@kernel.org> (raw)
In-Reply-To: <ba0845c590eda42a28b3799a6f40294ba74a726e.1775717959.git.tomato1220@gmail.com>
On 09/04/2026 09:21, David Wang wrote:
> Add "nuvoton,ctrl-reg-val" vendor property to allow optional
> initialization of the RTC control register (0x0A).
>
> This allows platform-specific configurations like 24h mode and
> write ownership to be defined via Device Tree.
>
> Signed-off-by: David Wang <tomato1220@gmail.com>
> ---
> Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml b/Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml
> index 4f9b5604acd9..0984dfb77170 100644
> --- a/Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml
> +++ b/Documentation/devicetree/bindings/rtc/nuvoton,nct3018y.yaml
> @@ -24,6 +24,10 @@ properties:
>
> reset-source: true
>
> + nuvoton,ctrl-reg-val:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: Initial value for the control register (0x0A).
24h mode is not a property of a board. I don't know what "write
ownership" is.
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-04-09 7:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-09 7:21 [PATCH 0/2] rtc: nct3018y: add support for control register initialization David Wang
2026-04-09 7:21 ` [PATCH 1/2] dt-bindings: rtc: nct3018y: add nuvoton,ctrl-reg-val property David Wang
2026-04-09 7:23 ` Krzysztof Kozlowski [this message]
2026-04-09 7:44 ` David Wang
2026-04-09 13:30 ` Alexandre Belloni
2026-04-09 7:21 ` [PATCH 2/2] rtc: nct3018y: add optional control register initialization David Wang
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