On Wed, 28 Oct 2015, Steffen Trumtrar wrote: > Hi! > > On Tue, Oct 27, 2015 at 05:09:14PM -0500, at...@opensource.altera.com wrote: > > From: Alan Tull <at...@opensource.altera.com> > > > > Add bindings documentation for Altera SOCFPGA bridges: > > * fpga2sdram > > * fpga2hps > > * hps2fpga > > * lwhps2fpga > > > > Signed-off-by: Alan Tull <dingu...@opensource.altera.com> > > Signed-off-by: Dinh Nguyen <dingu...@opensource.altera.com> > > Signed-off-by: Matthew Gerlach <mgerl...@altera.com> > > --- > > v2: separate into 2 documents for the 2 drivers > > v12: bump version to line up with simple-fpga-bus version > > remove Linux specific notes such as references to sysfs > > move non-DT specific documentation elsewhere > > remove bindings that would have been used to pass configuration > > clean up formatting > > --- > > .../bindings/fpga/altera-fpga2sdram-bridge.txt | 18 ++++++++++ > > .../bindings/fpga/altera-hps2fpga-bridge.txt | 36 > > ++++++++++++++++++++ > > 2 files changed, 54 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt > > create mode 100644 > > Documentation/devicetree/bindings/fpga/altera-hps2fpga-bridge.txt > > > > diff --git > > a/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt > > b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt > > new file mode 100644 > > index 0000000..11eb5b7 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/fpga/altera-fpga2sdram-bridge.txt > > @@ -0,0 +1,18 @@ > > +Altera FPGA To SDRAM Bridge Driver > > + > > +Required properties: > > +- compatible : Should contain > > "altr,socfpga-fpga2sdram-bridge" > > + > > +Optional properties: > > +- label : User-readable name for this bridge. > > + Default is br<device#> > > +- init-val : 0 if driver should disable bridge at startup > > + 1 if driver should enable bridge at startup > > + Default is to leave bridge in current state. > > I know, that there are bindings, that configure via devicetree, but AFAIK > this is not okay.
Yes there is configuration in the DT. I attended a presentation at ELC in Dublin 3 weeks ago - Frank Rowand on "Solving Device Tree Issues." He said in addition to non-probable hardware information, it was a "dirty secret" that DT includes configuration information and some policy. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
