From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@bootlin.com (Maxime Ripard) Date: Wed, 28 Nov 2018 11:19:06 +0100 Subject: [PATCH 02/15] dt-bindings: rtc: sun6i-rtc: Add compatible strings for pre-H6 variants In-Reply-To: <20181128093013.24442-3-wens@csie.org> References: <20181128093013.24442-1-wens@csie.org> <20181128093013.24442-3-wens@csie.org> Message-ID: <20181128101906.xkqaoezxodz25c3x@flea> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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. > > 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. > > 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. > > Signed-off-by: Chen-Yu Tsai Acked-by: Maxime Ripard Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 228 bytes Desc: not available URL: