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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2021-10-27 14:45:06 +0100
committerGeert Uytterhoeven <geert+renesas@glider.be>2021-11-15 10:12:28 +0100
commit7388fa8acfce2c3b41babc53c3f3d0b247b098af (patch)
tree2c070733aded514d08c027ce97671c5ca36c5dfc /Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
parentfea2538025fefb8f0f9fea558154e293df2f7464 (diff)
downloadlwn-7388fa8acfce2c3b41babc53c3f3d0b247b098af.tar.gz
lwn-7388fa8acfce2c3b41babc53c3f3d0b247b098af.zip
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@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>
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml')
-rw-r--r--Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml3
1 files changed, 3 insertions, 0 deletions
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