* Tomi Valkeinen <tomi.valkeinen@xxxxxx> [180619 07:12]:
> On 19/06/18 09:19, Tony Lindgren wrote:
> > * Tomi Valkeinen <tomi.valkeinen@xxxxxx> [180618 13:26]:
> >> Add DSS node to k2g.dtsi.
> >>
> >> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> >> Cc: devicetree@xxxxxxxxxxxxxxx
> >> ---
> >> arch/arm/boot/dts/keystone-k2g.dtsi | 21 +++++++++++++++++++++
> >> 1 file changed, 21 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/keystone-k2g.dtsi b/arch/arm/boot/dts/keystone-k2g.dtsi
> >> index da78c0034427..d761fe7d46e7 100644
> >> --- a/arch/arm/boot/dts/keystone-k2g.dtsi
> >> +++ b/arch/arm/boot/dts/keystone-k2g.dtsi
> >> @@ -609,5 +609,26 @@
> >> reg = <0x21010000 0x200>;
> >> interrupts = <GIC_SPI 123 IRQ_TYPE_EDGE_RISING>;
> >> };
> >> +
> >> + dss: dss@02540000 {
> >> + compatible = "ti,k2g-dss";
> >> +
> >> + reg = <0x02540000 0x400>,
> >> + <0x02550000 0x1000>,
> >> + <0x02557000 0x1000>,
> >> + <0x0255a800 0x100>,
> >> + <0x0255ac00 0x100>;
> >> +
> >> + reg-names = "cfg", "common", "vid1", "ovr1", "vp1";
> >
> > Can you please check to make sure these are not multiple
> > separate devices?
> >
> > If they are, flushing posted write to one device will not flush
> > anything to the other devices. And that can lead to very hard
> > to track down mysterious bugs.
>
> I don't see anything hinting that they would be separate devices, and it
> wouldn't really make sense to me either. They're integral parts of the
> DISPC. I can see a single port for register access, and a single port
> for the pixel data DMA.
OK thanks for checking.
Tony
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