On Tue, Mar 15, 2016 at 12:32 AM, Nicolas Saenz Julienne <nicolassaenzj@xxxxxxxxx> wrote: > The chip is also an 8 bit shift register which works out of the box as a GPO > expander with this patch > > Signed-off-by: Nicolas Saenz Julienne <nicolassaenzj@xxxxxxxxx> > --- > Documentation/devicetree/bindings/gpio/gpio-74x164.txt | 4 +++- > drivers/gpio/gpio-74x164.c | 1 + > 2 files changed, 4 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt > index cc26080..ce1b223 100644 > --- a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt > +++ b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt > @@ -1,7 +1,9 @@ > * Generic 8-bits shift register GPIO driver > > Required properties: > -- compatible : Should be "fairchild,74hc595" > +- compatible: Should contain one of the following: > + "fairchild,74hc595" > + "nxp,74lvc594" Why did you choose the "lvc" variant? Ideally, you want to put the oldest "manuf,74x594" variant here. I once read it was Motorola who invented the 7459x parts, to interface with SPI. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html