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Author SHA1 Message Date
Hans de Goede
ce881076fc sun6i: s/SUNXI_*P2WI*/SUN6I_*P2WI*/ 
The p2wi interface is only available on sun6i, adjust the gpio pinmux and
base address defines for it to reflect this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
 2015-01-14 14:56:36 +01:00
Oliver Schinagl
3b10e6eb68 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>
 2014-11-13 14:49:01 +01:00