[PATCH 1/4] dt-bindings: pincfg-node: Add "output-impedance-ohms" property
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Date: 2021-10-27 13:45:21
Also in:
linux-gpio, linux-renesas-soc, lkml
Subsystem:
open firmware and flattened device tree bindings, pin control subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Walleij, Linus Torvalds
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(+)
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
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2.17.1