Maxime: Many gratitude's for all your A20 dts contributions. Hoping I could
ask about the 4 SPI controllers (SPI0-SPI3)
I was wanting to better understand how people put dts files together so
started reading the A20 Users Manual looking for addresses that I recognize
in the dts files.....when I noticed on page 241 (1.19.2 Port Configuration
Table) that the 4 pins for SPI3 (PA5 - PA8) *can* also be used for
GTXD.... (emac)
emac_pins_a: emac0@0 {
allwinner,pins = "PA0", "PA1", "PA2",
"PA3", "PA4", "PA5", "PA6",
"PA7", "PA8", "PA9", "PA10",
"PA11", "PA12", "PA13", "PA14",
"PA15", "PA16";
allwinner,function = "emac";
allwinner,drive = <0>;
allwinner,pull = <0>;
};
Does this mean that it's not possible to have SPI0-SPI3 + ethernet working
at the same time?
Thanks
Bruce
On Fri, Jul 4, 2014 at 2:08 PM, Maxime Ripard <
maxime.rip...@free-electrons.com> wrote:
> On Fri, Jul 04, 2014 at 08:52:25AM -0400, jonsm...@gmail.com wrote:
> > Isn't SPI already working in Emilio's kernel?
>
> SPI is actually working on every kernel since 3.15 (without DMA
> though).
>
> --
> Maxime Ripard, Free Electrons
> Embedded Linux, Kernel and Android engineering
> http://free-electrons.com
>
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