On Mon, Apr 07, 2014 at 03:11:46PM +0800, Axel Lin wrote: > If "efm32,location" property is not provided, keeping what is already > configured in the hardware, so its either the reset default 0 or whatever > the bootloader did. Now I like it, thanks Acked-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> > Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx> > --- > Documentation/devicetree/bindings/spi/efm32-spi.txt | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/spi/efm32-spi.txt b/Documentation/devicetree/bindings/spi/efm32-spi.txt > index 8f081c9..130cd17 100644 > --- a/Documentation/devicetree/bindings/spi/efm32-spi.txt > +++ b/Documentation/devicetree/bindings/spi/efm32-spi.txt > @@ -8,7 +8,13 @@ Required properties: > - interrupts: pair specifying rx and tx irq > - clocks: phandle to the spi clock > - cs-gpios: see spi-bus.txt > -- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to configure the pinmux for the device, see datasheet for values. > + > +Recommended properties : > +- efm32,location: Value to write to the ROUTE register's LOCATION bitfield to > + configure the pinmux for the device, see datasheet for values. > + If "efm32,location" property is not provided, keeping what is > + already configured in the hardware, so its either the reset > + default 0 or whatever the bootloader did. > > Example: > > -- > 1.8.3.2 > > > > -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html