Stephen Warren wrote at Tuesday, July 19, 2011 5:00 PM:
> achew@xxxxxxxxxx wrote at Tuesday, July 19, 2011 4:47 PM:
> > From: Andrew Chew <achew@xxxxxxxxxx>
> >
> > These values were derived from various headers in arch/arm/mach-tegra.
...
> > diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
> > index 83fedf3..a0353bb 100644
> > --- a/arch/arm/boot/dts/tegra20.dtsi
> > +++ b/arch/arm/boot/dts/tegra20.dtsi
> > @@ -160,5 +160,57 @@
> > interrupts = < 63 >;
> > status = "disabled";
> > };
> > +
> > + ehci@c5000000 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + compatible = "nvidia,tegra20-ehci";
> > + reg = <0xc5000000 0x4000>;
> > + interrupts = < 52 >;
> > + mode = < 1 >;
> > + power_down_on_bus_suspend;
> > + type = "utmi";
> > + hssync_start_delay = < 0 >;
> > + idle_wait_delay = < 17 >;
> > + elastic_limit = < 16 >;
> > + term_range_adj = < 6 >;
> > + xcvr_setup = < 15 >;
> > + xcvr_lsfslew = < 2 >;
> > + xcvr_lsrslew = < 2 >;
> > + status = "disabled";
>
> In the latest devicetree/test, tegra20.dtsi doesn't specify status for
> any nodes, but leaves everything enabled. Instead, board-specific files
> disable any unused devices.
Andrew pointed out that isn't actually true right now. However, Grant
did state that he was *going* to make Tegra work that way, so the
comment basically still stands.
--
nvpublic
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