diff mbox series

[1/4] dt-bindings: pincfg-node: Add "output-impedance-ohms" property

Message ID 20211027134509.5036-2-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show
Series Add "output-impedance" property to pinconf-generic | expand

Commit Message

Prabhakar Oct. 27, 2021, 1:45 p.m. UTC 
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(+)

Comments

Geert Uytterhoeven Oct. 28, 2021, 7:15 a.m. UTC | #1 
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
Rob Herring (Arm) Nov. 1, 2021, 9:37 p.m. UTC | #2 
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>
Linus Walleij Nov. 9, 2021, 4:33 a.m. UTC | #3 
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 mbox series

Patch

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