Re: [RFC PATCH 1/4] dt-bindings: pincfg-node: Add "output-impedance" property
From: Rob Herring <robh@kernel.org>
Date: 2021-10-06 21:14:56
Also in:
linux-gpio, linux-renesas-soc, lkml
On Thu, Sep 30, 2021 at 01:16:27PM +0100, Lad Prabhakar wrote:
quoted hunk ↗ jump to hunk
On RZ/G2L SoC for Group-B pins, output impedance can be configured. This patch documents "output-impedance" 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> --- Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml | 4 ++++ 1 file changed, 4 insertions(+)diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml index 71ed0a9def84..cdcb23daeca2 100644 --- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml +++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml@@ -114,6 +114,10 @@ properties: description: enable output on a pin without actively driving it (such as enabling an output buffer) + output-impedance: + $ref: /schemas/types.yaml#/definitions/uint32
Use standard unit suffix and drop the type.
+ description: set the pins output impedance at most X ohm
+
output-low:
type: boolean
description: set the pin to output mode with low level
--
2.17.1