[PATCH 07/15] ARM: dts: kirkwood: consolidate common pinctrl settings

Andrew Lunn andrew at lunn.ch
Wed Apr 30 09:44:41 PDT 2014


On Wed, Apr 30, 2014 at 10:42:36AM -0600, Jason Gunthorpe wrote:
> On Wed, Apr 30, 2014 at 02:56:34PM +0200, Sebastian Hesselbarth wrote:
> > All SoCs have the same pinctrl setting for NAND, UART0/1, SPI, TWSI0,
> > and GBE1. Move it to the common pinctrl node that we now have.
> 
> There are two possible choices for UART0, UART1, and SPI on kirkwood..
> 
> For instance I use this on my board:
> 
>                                 pmx_spi0: pmx-spi0 {
>                                         marvell,pins = "mpp7", "mpp10", "mpp11", "mpp12";
>                                         marvell,function = "spi";
>                                 };
> 
> vs
> 
> > +
> > +			pmx_spi: pmx-spi {
> > +				marvell,pins = "mpp0", "mpp1", "mpp2", "mpp3";
> > +				marvell,function = "spi";
> > +			};
> 
> It looks like all the boards in the kernel use the same choice, so it
> makes some sense to consolidate, but I assume a board file can
> override the marvell,pins?

Hi Jason

Yes, the board can override it, see patch 10/15 for an example.

     Andrew



More information about the linux-arm-kernel mailing list