sun6i: Add new p2wi controller driver
authorOliver Schinagl <oliver@schinagl.nl>
Thu, 25 Jul 2013 12:07:42 +0000 (14:07 +0200)
committerHans de Goede <hdegoede@redhat.com>
Thu, 13 Nov 2014 13:49:01 +0000 (14:49 +0100)
commit3b10e6eb68d1bb774d93e1f3d153e68875fda5ad
treea85727b8149f44c2ca8e954c41ef06b69432633f
parent63f7af9a4cfb4a3b9136674c6612c6d13957c2cd
sun6i: Add new p2wi controller driver

The A31 uses a new push-pull two wire interface, which features higher
transfer speeds (upto 6 MHz) in theory. While the hardware can burst 8
bytes each time, this driver will only see very little use and thus is
limited to single byte transmission only.

Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
arch/arm/cpu/armv7/sunxi/Makefile
arch/arm/cpu/armv7/sunxi/p2wi.c [new file with mode: 0644]
arch/arm/include/asm/arch-sunxi/gpio.h
arch/arm/include/asm/arch-sunxi/p2wi.h [new file with mode: 0644]