From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 4/4] spi: sun6i: Support Allwinner H3 SPI controller
Date: Wed, 2 Nov 2016 14:40:11 +0100 [thread overview]
Message-ID: <20161102134011.aotjogti4vl4ebdt@lukather> (raw)
In-Reply-To: <20161028065412.23008-5-woogyom.kim@gmail.com>
On Fri, Oct 28, 2016 at 03:54:12PM +0900, Milo Kim wrote:
> H3 has two SPI controllers. The size of the buffer is 64 * 8.
> (8 bit transfer by 64 entry FIFO)
> A31 has four controllers. The size of the buffer is 128 * 8.
> (8 bit transfer by 128 entry FIFO)
>
> Register maps are sharable, so sun6i SPI driver is reusable with
> device configuration.
>
> Use the variable, 'fifo_depth' instead of fixed value to support both SPI
> controllers.
>
> Cc: Mark Brown <broonie@kernel.org>
> Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
> Cc: Chen-Yu Tsai <wens@csie.org>
> Signed-off-by: Milo Kim <woogyom.kim@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2016-11-02 13:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-28 6:54 [PATCH v2 0/4] Support H3 SPI controller Milo Kim
2016-10-28 6:54 ` [PATCH v2 1/4] ARM: dts: sun8i: Add SPI pinctrl node in H3 Milo Kim
2016-10-28 6:54 ` [PATCH v2 2/4] ARM: dts: sun8i: Add SPI controller " Milo Kim
2016-11-02 18:36 ` Maxime Ripard
2016-10-28 6:54 ` [PATCH v2 3/4] spi: sun6i: Add binding for Allwinner H3 SPI controller Milo Kim
2016-10-31 6:06 ` Rob Herring
2016-10-28 6:54 ` [PATCH v2 4/4] spi: sun6i: Support " Milo Kim
2016-11-02 13:40 ` Maxime Ripard [this message]
2016-11-03 15:42 ` Applied "spi: sun6i: Support Allwinner H3 SPI controller" to the spi tree Mark Brown
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