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Date: Wed, 27 Oct 2021 14:45:06 +0100 From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com> To: Linus Walleij <linus.walleij@...aro.org>, Rob Herring <robh+dt@...nel.org>, Geert Uytterhoeven <geert+renesas@...der.be>, linux-gpio@...r.kernel.org, devicetree@...r.kernel.org Cc: linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org, Prabhakar <prabhakar.csengg@...il.com>, Biju Das <biju.das.jz@...renesas.com>, Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com> Subject: [PATCH 1/4] dt-bindings: pincfg-node: Add "output-impedance-ohms" property 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@...renesas.com> Reviewed-by: Biju Das <biju.das.jz@...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(+) 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 -- 2.17.1
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