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Date:   Wed, 28 Nov 2018 11:19:06 +0100
From:   Maxime Ripard <maxime.ripard@bootlin.com>
To:     Chen-Yu Tsai <wens@csie.org>
Cc:     Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Alessandro Zummo <a.zummo@towertech.it>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        linux-arm-kernel@lists.infradead.org, linux-rtc@vger.kernel.org,
        linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com
Subject: Re: [PATCH 02/15] dt-bindings: rtc: sun6i-rtc: Add compatible
 strings for pre-H6 variants
Message-ID: <20181128101906.xkqaoezxodz25c3x@flea>
References: <20181128093013.24442-1-wens@csie.org>
 <20181128093013.24442-3-wens@csie.org>
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On Wed, Nov 28, 2018 at 05:29:59PM +0800, Chen-Yu Tsai wrote:
> While doing Bluetooth enablement for various boards based on various
> Allwinner SoCs, minor differences in the RTC modules were found. These
> include a lack of an external clock output (A31), different internal
> oscillator frequencies (H3/H5/A64/V3/V3s), different regulator voltage
> settings (H5/H6), and the presence of miscellaneous registers unrelated
> to the RTC (A64/R40/H5/H6). The datasheet also describes different number
> of registers for non-volatile storage, though based on actual experiments
> the actual number is the same across the board.
>=20
> This patch adds a list of all pre-H6 variants, grouped by the internal
> oscillator's clock rate, regulator settings, and the presence of the
> external clock output. Combinations are introduced for the variants that
> have miscellaneous registers.
>=20
> The RTC block in the H6 also handles the 24 MHz DCXO. This will require
> more device tree binding changes and will be done later.
>=20
> Signed-off-by: Chen-Yu Tsai <wens@csie.org>

Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>

Maxime

--=20
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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