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dt-bindings: pincfg-node: Add "output-impedance-ohms" property

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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>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211027134509.5036-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Lad Prabhakar 2021-10-27 14:45:06 +01:00 committed by Geert Uytterhoeven
parent fea2538025
commit 7388fa8acf
1 changed files with 3 additions and 0 deletions
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3
Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
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@ -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