On Mon, Jul 13, 2020 at 1:54 PM Daniel González Cabanelas <dgcbueu@xxxxxxxxx> wrote: > > Hi Rob, > > El lun., 13 jul. 2020 a las 20:36, Rob Herring (<robh@xxxxxxxxxx>) escribió: > > > > On Sat, Jun 13, 2020 at 12:26:56PM +0200, Daniel González Cabanelas wrote: > > > Add Linkstation poweroff bindings documentation. > > > > > > Signed-off-by: Daniel González Cabanelas <dgcbueu@xxxxxxxxx> > > > --- > > > Changes in v3: > > > - "phy-handle,intn" property deleted. Now autodetection used. > > > - Cosmetic changes > > > Changes in v2: > > > - Changed the required properties and description to adjust to the new > > > driver now enabling the WoL feature on the device. > > > > > > .../power/reset/linkstation-poweroff.yaml | 35 +++++++++++++++++++ > > > 1 file changed, 35 insertions(+) > > > create mode 100644 Documentation/devicetree/bindings/power/reset/linkstation-poweroff.yaml > > > > > > diff --git a/Documentation/devicetree/bindings/power/reset/linkstation-poweroff.yaml b/Documentation/devicetree/bindings/power/reset/linkstation-poweroff.yaml > > > new file mode 100644 > > > index 0000000000..8845333ca4 > > > --- /dev/null > > > +++ b/Documentation/devicetree/bindings/power/reset/linkstation-poweroff.yaml > > > @@ -0,0 +1,35 @@ > > > +# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause) > > > > As I said before: > > > > GPL-2.0-only > Sorry, it was a copy paste error. > > > > > > +%YAML 1.2 > > > +--- > > > +$id: http://devicetree.org/schemas/power/reset/linkstation-poweroff.yaml# > > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > > + > > > +title: Buffalo Linkstation poweroff Binding > > > + > > > +maintainers: > > > + - Daniel González Cabanelas <dgcbueu@xxxxxxxxx> > > > + > > > +description: | > > > + Some Buffalo LinkStations (ARM MVEBU boards) use an output pin at the ethernet > > > + PHY (LED2/INTn) to inform the board if the power off operation must be performed > > > + at restart time. This pin is ORed with the power switch and allows the WOL > > > + function to be also used. > > > + > > > + When the power-off handler is called, the ethernet PHY INTn ouptut is set to > > > + LOW state. If the restart command is executed then the PHY INTn output is > > > + forced to HIGH state. > > > + > > > +properties: > > > + compatible: > > > + const: linkstation,power-off > > > + > > > +required: > > > + - compatible > > > + > > > +additionalProperties: false > > > + > > > +examples: > > > + - | > > > + poweroff { > > > + compatible = "linkstation,power-off"; > > > + }; > > > > This is not what I was suggesting in the last version. You don't need a > > binding for this. Use the root node compatible string. > > > Then I don't need any binding?, and therefore if I understood > correctly this patch isn't required. Right. > > Your driver initcall needs to check the root compatible and create a > > platform device if it matches. > > Are you suggesting to validate the driver only for one specific device? No, you can have a match table with as many entries as you need. > BTW the driver was already checked by Sebastian Reichel and nothing > wrong was found. > > Regards > Daniel > > > > > Rob