| Message ID | 20211027134509.5036-2-prabhakar.mahadev-lad.rj@bp.renesas.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add "output-impedance" property to pinconf-generic | expand |
On Wed, Oct 27, 2021 at 3:45 PM Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> wrote: > On RZ/G2L SoC for Group-B pins, output impedance can be configured. This > patch documents "output-impedance-ohms" property in pincfg-node.yaml so > that other platforms requiring such feature can make use of this property. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> > Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
On Wed, 27 Oct 2021 14:45:06 +0100, Lad Prabhakar wrote: > On RZ/G2L SoC for Group-B pins, output impedance can be configured. This > patch documents "output-impedance-ohms" property in pincfg-node.yaml so > that other platforms requiring such feature can make use of this property. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> > Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> > --- > RFC->v1 > * Dropped type > * Renamed output-impedance -> output-impedance-ohms > --- > Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml | 3 +++ > 1 file changed, 3 insertions(+) > Acked-by: Rob Herring <robh@kernel.org>
On Wed, Oct 27, 2021 at 3:45 PM Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> wrote: > On RZ/G2L SoC for Group-B pins, output impedance can be configured. This > patch documents "output-impedance-ohms" property in pincfg-node.yaml so > that other platforms requiring such feature can make use of this property. > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> > Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml index 71ed0a9def84..4b22a9e3a447 100644 --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml @@ -114,6 +114,9 @@ properties: description: enable output on a pin without actively driving it (such as enabling an output buffer) + output-impedance-ohms: + description: set the output impedance of a pin to at most X ohms + output-low: type: boolean description: set the pin to output mode with low level