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[RFC,3/4] dt-bindings: pinctrl: renesas,rzg2l-pinctrl: Add output-impedance property

Message ID 20210930121630.17449-4-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State Superseded
Delegated to: Geert Uytterhoeven
Headers show
Series Add "output-impedance" property to pinconf-generic | expand

Commit Message

Lad Prabhakar Sept. 30, 2021, 12:16 p.m. UTC
RZ/G2L SoC has two groups of pins, Group-A and Group-B. RZ/G2L SoC supports
configuring Output Impedance for Group-B pins (valid values 33/50/66/100).

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 .../devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml      | 2 ++
 1 file changed, 2 insertions(+)

Comments

Geert Uytterhoeven Oct. 7, 2021, 5:03 p.m. UTC | #1
Hi Prabhakar,

On Thu, Sep 30, 2021 at 2:17 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> RZ/G2L SoC has two groups of pins, Group-A and Group-B. RZ/G2L SoC supports
> configuring Output Impedance for Group-B pins (valid values 33/50/66/100).
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Thanks for your patch!

> --- a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
> @@ -73,6 +73,8 @@ additionalProperties:
>          pins: true
>          drive-strength:
>            enum: [ 2, 4, 8, 12 ]
> +        output-impedance:

"output-impedance-ohms", as per DT standardized property units.

> +          enum: [ 33, 50, 66, 100 ]
>          power-source:
>            enum: [ 1800, 2500, 3300 ]
>          slew-rate: true

With the above fixed:
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
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
index ef68dabcf4dc..8abdf1e8153f 100644
--- a/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/renesas,rzg2l-pinctrl.yaml
@@ -73,6 +73,8 @@  additionalProperties:
         pins: true
         drive-strength:
           enum: [ 2, 4, 8, 12 ]
+        output-impedance:
+          enum: [ 33, 50, 66, 100 ]
         power-source:
           enum: [ 1800, 2500, 3300 ]
         slew-rate: true