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dt-bindings: pinctrl: pincfg-node: add restrictions on conflicting properties

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Many of the possible pincfg properties are not compatible with one
another, either because they represent mutually exclusive states for a
pin or because they provide the same information in different units.

Add some simple restrictions to prevent invalid configurations.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>
This commit is contained in:
Conor Dooley
2026-02-24 13:39:05 +00:00
committed by Linus Walleij
parent 9c10525510
commit a901e8705f
1 changed files with 98 additions and 7 deletions
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105
Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
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@@ -162,12 +162,103 @@ properties:
this affects the expected delay in ps before latching a value to
an output pin.
if:
required:
- skew-delay
then:
properties:
skew-delay-input-ps: false
skew-delay-output-ps: false
allOf:
- if:
required:
- skew-delay
then:
properties:
skew-delay-input-ps: false
skew-delay-output-ps: false
- if:
required:
- input-disable
then:
properties:
input-enable: false
- if:
required:
- output-disable
then:
properties:
output-enable: false
output-impedance-ohms: false
- if:
required:
- output-low
then:
properties:
output-high: false
- if:
required:
- low-power-enable
then:
properties:
low-power-disable: false
- if:
required:
- input-schmitt-disable
then:
properties:
input-schmitt-enable: false
input-schmitt-microvolt: false
- if:
required:
- drive-strength
then:
properties:
drive-strength-microamp: false
- if:
anyOf:
- required:
- drive-open-source
- required:
- drive-open-drain
- required:
- drive-push-pull
then:
oneOf:
- required:
- drive-open-source
- required:
- drive-open-drain
- required:
- drive-push-pull
- if:
anyOf:
- required:
- bias-disable
- required:
- bias-high-impedance
- required:
- bias-bus-hold
- required:
- bias-pull-up
- required:
- bias-pull-down
- required:
- bias-pull-pin-default
then:
oneOf:
- required:
- bias-disable
- required:
- bias-high-impedance
- required:
- bias-bus-hold
- required:
- bias-pull-up
- required:
- bias-pull-down
- required:
- bias-pull-pin-default
additionalProperties: true