[PATCH v2 4/4] spi: sun6i: Support Allwinner H3 SPI controller
Maxime Ripard
maxime.ripard at free-electrons.com
Wed Nov 2 06:40:11 PDT 2016
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 at kernel.org>
> Cc: Maxime Ripard <maxime.ripard at free-electrons.com>
> Cc: Chen-Yu Tsai <wens at csie.org>
> Signed-off-by: Milo Kim <woogyom.kim at gmail.com>
Acked-by: Maxime Ripard <maxime.ripard at free-electrons.com>
Thanks!
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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