linux-kernel - Re: (subset) [PATCH v3 5/6] clk: sunxi-ng: Add support for the sun6i RTC clocks

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Date:   Sun, 13 Feb 2022 00:24:02 +0100
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Maxime Ripard <maxime@...no.tech>
Cc:     Samuel Holland <samuel@...lland.org>, Chen-Yu Tsai <wens@...e.org>,
        linux-sunxi@...ts.linux.dev,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        Alessandro Zummo <a.zummo@...ertech.it>
Subject: Re: (subset) [PATCH v3 5/6] clk: sunxi-ng: Add support for the sun6i
 RTC clocks

On 11/02/2022 13:43:12+0100, Maxime Ripard wrote:
> Hi Samuel,
> 
> On Mon, Feb 07, 2022 at 05:54:02PM -0600, Samuel Holland wrote:
> > On 2/7/22 3:00 AM, Maxime Ripard wrote:
> > > On Wed, 2 Feb 2022 20:17:35 -0600, Samuel Holland wrote:
> > >> The RTC power domain in sun6i and newer SoCs manages the 16 MHz RC
> > >> oscillator (called "IOSC" or "osc16M") and the optional 32 kHz crystal
> > >> oscillator (called "LOSC" or "osc32k"). Starting with the H6, this power
> > >> domain also handles the 24 MHz DCXO (called variously "HOSC", "dcxo24M",
> > >> or "osc24M") as well. The H6 also adds a calibration circuit for IOSC.
> > >>
> > >> Later SoCs introduce further variations on the design:
> > >>  - H616 adds an additional mux for the 32 kHz fanout source.
> > >>  - R329 adds an additional mux for the RTC timekeeping clock, a clock
> > >>    for the SPI bus between power domains inside the RTC, and removes the
> > >>    IOSC calibration functionality.
> > >>
> > >> [...]
> > > 
> > > Applied to local tree (sunxi/clk-for-5.18).
> > 
> > Part of the build failures were because this patch depends on patch 3. Is that
> > okay, or should I update this patch to be independent?
> 
> We don't have anything queued up yet, so I think the easiest would be to
> merge this through the RTC tree. So nothing to do on your side yet, we
> just need Alex to answer :)
> 

I can take the whole series but I think I would need acks from Stephen


-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com