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

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Date:   Mon,  7 Feb 2022 10:00:45 +0100
From:   Maxime Ripard <maxime@...no.tech>
To:     Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...ts.linux.dev,
        Samuel Holland <samuel@...lland.org>,
        Maxime Ripard <mripard@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>
Cc:     Maxime Ripard <maxime@...no.tech>, Stephen Boyd <sboyd@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        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 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).

Thanks!
Maxime