Re: [PATCH 4/5] dt-bindings: fpga: xilinx-slave-serial: add optional INIT_B GPIO

From: Rob Herring
Date: Thu Jun 18 2020 - 14:07:53 EST


On Wed, Jun 17, 2020 at 11:47 PM Luca Ceresoli <luca@xxxxxxxxxxxxxxxx> wrote:
>
> Hi Rob, Moritz,
>
> On 18/06/20 00:39, Rob Herring wrote:
> > On Thu, Jun 11, 2020 at 11:11:43PM +0200, Luca Ceresoli wrote:
> >> The INIT_B is used by the 6 and 7 series to report the programming status,
> >> providing more control and information about programming errors.
> >>
> >> Signed-off-by: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
> >> ---
> >> .../devicetree/bindings/fpga/xilinx-slave-serial.txt | 7 ++++++-
> >> 1 file changed, 6 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt b/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt
> >> index 9f103f3872e8..a049082e1513 100644
> >> --- a/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt
> >> +++ b/Documentation/devicetree/bindings/fpga/xilinx-slave-serial.txt
> >> @@ -16,6 +16,10 @@ Required properties:
> >> - prog_b-gpios: config pin (referred to as PROGRAM_B in the manual)
> >> - done-gpios: config status pin (referred to as DONE in the manual)
> >>
> >> +Optional properties:
> >> +- init_b-gpios: initialization status and configuration error pin
> >> + (referred to as INIT_B in the manual)
> >
> > Don't use '_' in property names:
> >
> > init-b-gpios
>
> OK, will fix.
>
> Moritz, please don't apply this version of patches 4 and 5 if you still
> haven't done so.
>
> Now what about the existing prog_b-gpios property? Should we just leave
> it as is for backward compatibility, or is there a migration path to fix
> it as well?

Just leave it.

Rob