On Fri, Oct 19, 2012 at 10:24:15AM +0200, Benoit Cousson wrote:
> Hi Avinash,
> 
> This look good to me except the: status = "disabled".
> 
> The "disabled" should be reserved for variant that does not contain the IP.
> Is it the case here?

http://comments.gmane.org/gmane.linux.drivers.devicetree/18968 is what
I've been going by with the DTS support in the EDMA dmaengine series. It
does make the most sense to only enable what you need in the
<board>.dts.

-Matt

> On 09/18/2012 07:30 AM, Philip, Avinash wrote:
> > Add McSPI data node to AM33XX device tree file. The McSPI module (and so
> > as the driver) is reused from OMAP4.
> > 
> > Signed-off-by: Philip, Avinash <avinashphi...@ti.com>
> > Tested-by: Matt Porter <mpor...@ti.com>
> > ---
> > Changes since v1:
> >         - Corrected reg offset in reg DT entry.
> > 
> > :100644 100644 ff3badb... 065fd54... M      arch/arm/boot/dts/am33xx.dtsi
> >  arch/arm/boot/dts/am33xx.dtsi |   25 +++++++++++++++++++++++++
> >  1 files changed, 25 insertions(+), 0 deletions(-)
> > 
> > diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
> > index ff3badb..065fd54 100644
> > --- a/arch/arm/boot/dts/am33xx.dtsi
> > +++ b/arch/arm/boot/dts/am33xx.dtsi
> > @@ -219,5 +219,30 @@
> >                     interrupt-parent = <&intc>;
> >                     interrupts = <91>;
> >             };
> > +
> > +           spi0: spi@48030000 {
> > +                   compatible = "ti,omap4-mcspi";
> > +                   #address-cells = <1>;
> > +                   #size-cells = <0>;
> > +                   reg = <0x48030000 0x400>;
> > +                   interrupt-parent = <&intc>;
> > +                   interrupt = <65>;
> > +                   ti,spi-num-cs = <2>;
> > +                   ti,hwmods = "spi0";
> > +                   status = "disabled";
> > +
> > +           };
> > +
> > +           spi1: spi@481a0000 {
> > +                   compatible = "ti,omap4-mcspi";
> > +                   #address-cells = <1>;
> > +                   #size-cells = <0>;
> > +                   reg = <0x481a0000 0x400>;
> > +                   interrupt-parent = <&intc>;
> > +                   interrupt = <125>;
> > +                   ti,spi-num-cs = <2>;
> > +                   ti,hwmods = "spi1";
> > +                   status = "disabled";
> > +           };
> >     };
> >  };
> > 
> 
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