From: "Rob Herring (Arm)" <robh@kernel.org>
To: Junhui Liu <junhui.liu@pigmoral.tech>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
linux-rtc@vger.kernel.org, Maxime Ripard <mripard@kernel.org>,
Chen-Yu Tsai <wens@kernel.org>,
devicetree@vger.kernel.org,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
linux-kernel@vger.kernel.org,
Samuel Holland <samuel@sholland.org>,
linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@kernel.org>,
linux-sunxi@lists.linux.dev
Subject: Re: [PATCH 1/7] dt-bindings: rtc: sun6i: Add Allwinner A733 support
Date: Wed, 21 Jan 2026 10:56:33 -0600 [thread overview]
Message-ID: <176901459264.3452980.894788621483141855.robh@kernel.org> (raw)
In-Reply-To: <20260121-a733-rtc-v1-1-d359437f23a7@pigmoral.tech>
On Wed, 21 Jan 2026 18:59:07 +0800, Junhui Liu wrote:
> The RTC module in the Allwinner A733 SoC is functionally compatible with
> the sun6i RTC, but its internal Clock Control Unit (CCU) has significant
> changes.
>
> The A733 supports selecting the oscillator between three frequencies:
> 19.2MHz, 24MHz, and 26MHz. The RTC CCU relies on hardware to detect
> which frequency is actually used on the board. By defining all three
> frequencies as fixed-clocks in the device tree, the driver can identify
> the hardware-detected frequency and expose it to the rest of the system.
>
> Additionally, the A733 RTC CCU provides several new DCXO gate clocks for
> specific modules, including SerDes, HDMI, and UFS.
>
> Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
> ---
> .../bindings/rtc/allwinner,sun6i-a31-rtc.yaml | 38 ++++++++++++++++++++--
> include/dt-bindings/clock/sun60i-a733-rtc.h | 16 +++++++++
> 2 files changed, 52 insertions(+), 2 deletions(-)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2026-01-21 16:56 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-21 10:59 [PATCH 0/7] rtc: sun6i: Add support for Allwinner A733 SoC Junhui Liu
2026-01-21 10:59 ` [PATCH 1/7] dt-bindings: rtc: sun6i: Add Allwinner A733 support Junhui Liu
2026-01-21 16:56 ` Rob Herring (Arm) [this message]
2026-03-28 12:37 ` Chen-Yu Tsai
2026-04-10 9:18 ` Junhui Liu
2026-06-15 17:46 ` Jerome Brunet
2026-06-23 15:42 ` Chen-Yu Tsai
2026-01-21 10:59 ` [PATCH 2/7] rtc: sun6i: Bind internal CCU via auxiliary bus Junhui Liu
2026-01-22 2:18 ` kernel test robot
2026-01-21 10:59 ` [PATCH 3/7] clk: sunxi-ng: sun6i-rtc: Add feature bit for IOSC calibration Junhui Liu
2026-01-21 10:59 ` [PATCH 4/7] clk: sunxi-ng: Extract common RTC CCU clock logic Junhui Liu
2026-01-25 4:07 ` kernel test robot
2026-01-25 4:32 ` Chen-Yu Tsai
2026-01-25 5:50 ` Junhui Liu
2026-01-21 10:59 ` [PATCH 5/7] clk: sunxi-ng: mux: Add mux read-only clock operations Junhui Liu
2026-01-21 10:59 ` [PATCH 6/7] rtc: sun6i: Add support for A733 RTC Junhui Liu
2026-03-28 12:40 ` Chen-Yu Tsai
2026-01-21 10:59 ` [PATCH 7/7] clk: sunxi-ng: Add Allwinner A733 RTC CCU support Junhui Liu
2026-03-28 14:41 ` Chen-Yu Tsai
2026-04-10 9:49 ` Junhui Liu
2026-06-15 17:56 ` Jerome Brunet
2026-06-23 15:23 ` Chen-Yu Tsai
2026-02-22 10:41 ` [PATCH 0/7] rtc: sun6i: Add support for Allwinner A733 SoC Jernej Škrabec
2026-02-25 12:02 ` Junhui Liu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=176901459264.3452980.894788621483141855.robh@kernel.org \
--to=robh@kernel.org \
--cc=alexandre.belloni@bootlin.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=jernej.skrabec@gmail.com \
--cc=junhui.liu@pigmoral.tech \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rtc@vger.kernel.org \
--cc=linux-sunxi@lists.linux.dev \
--cc=mripard@kernel.org \
--cc=mturquette@baylibre.com \
--cc=samuel@sholland.org \
--cc=sboyd@kernel.org \
--cc=wens@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®