Hi Peter, On Saturday 07 Jan 2017 01:29:52 Peter Senna Tschudin wrote: > On 04 January, 2017 21:39 CET, Rob Herring wrote: > > On Tue, Jan 3, 2017 at 5:34 PM, Peter Senna Tschudin wrote: > >> On 03 January, 2017 23:51 CET, Rob Herring <robh@xxxxxxxxxx> wrote: > >>> On Sun, Jan 01, 2017 at 09:24:29PM +0100, Peter Senna Tschudin wrote: > >>>> Devicetree bindings documentation for the GE B850v3 LVDS/DP++ > >>>> display bridge. > >>>> > >>>> Cc: Martyn Welch <martyn.welch@xxxxxxxxxxxxxxx> > >>>> Cc: Martin Donnelly <martin.donnelly@xxxxxx> > >>>> Cc: Javier Martinez Canillas <javier@xxxxxxxxxxxx> > >>>> Cc: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx> > >>>> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > >>>> Cc: Rob Herring <robh@xxxxxxxxxx> > >>>> Cc: Fabio Estevam <fabio.estevam@xxxxxxx> > >>>> Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx> > >>>> --- > >>>> There was an Acked-by from Rob Herring <robh@xxxxxxxxxx> for V6, but > >>>> I changed the bindings to use i2c_new_secondary_device() so I > >>>> removed it from the commit message. > >>>> > >>>> .../devicetree/bindings/ge/b850v3-lvds-dp.txt | 39 ++++++++++++++ > >>> Generally, bindings are not organized by vendor. Put in > >>> bindings/display/bridge/... instead. > >> > >> Will change that. > >> > >>>> 1 file changed, 39 insertions(+) > >>>> create mode 100644 > >>>> Documentation/devicetree/bindings/ge/b850v3-lvds-dp.txt > >>>> > >>>> diff --git a/Documentation/devicetree/bindings/ge/b850v3-lvds-dp.txt > >>>> b/Documentation/devicetree/bindings/ge/b850v3-lvds-dp.txt new file > >>>> mode 100644 > >>>> index 0000000..1bc6ebf > >>>> --- /dev/null > >>>> +++ b/Documentation/devicetree/bindings/ge/b850v3-lvds-dp.txt > >>>> @@ -0,0 +1,39 @@ > >>>> +Driver for GE B850v3 LVDS/DP++ display bridge > >>>> + > >>>> +Required properties: > >>>> + - compatible : should be "ge,b850v3-lvds-dp". > >>> > >>> Isn't '-lvds-dp' redundant? The part# should be enough. > >> > >> b850v3 is the name of the product, this is why the proposed name. What > >> about, b850v3-dp2 dp2 indicating the second DP output? > > > > Humm, b850v3 is the board name? This node should be the name of the bridge > > chip. > > From the cover letter: > > -- // -- > There are two physical bridges on the video signal pipeline: a STDP4028(LVDS > to DP) and a STDP2690(DP to DP++). The hardware and firmware made it > complicated for this binding to comprise two device tree nodes, as the > design goal is to configure both bridges based on the LVDS signal, which > leave the driver powerless to control the video processing pipeline. The > two bridges behaves as a single bridge, and the driver is only needed for > telling the host about EDID / HPD, and for giving the host powers to ack > interrupts. The video signal pipeline is as follows: > > Host -> LVDS|--(STDP4028)--|DP -> DP|--(STDP2690)--|DP++ -> Video output > -- // -- You forgot to prefix your patch series with [HACK] ;-) How about fixing the issues that make the two DT nodes solution difficult ? What are they ? -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
