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dt-bindings: pinctrl: pincfg-node: permit bias-high-impedance with other bias properties

It is possible that devices tristate buffers may set the buffer to
the high-Z state in addition to setting pull-up or pull-down on a pin.
Remove this particular restriction to prevent warning on zynqmp systems
where this configuration seems to be valid.

Reported-by: Rob Herring (Arm) <robh@kernel.org>
Fixes: a901e8705f89f ("dt-bindings: pinctrl: pincfg-node: add restrictions on conflicting properties")
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>

authored by

Conor Dooley and committed by
Linus Walleij 91910a40 b7fff045

-4
-4
Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
··· 237 237 - required: 238 238 - bias-disable 239 239 - required: 240 - - bias-high-impedance 241 - - required: 242 240 - bias-bus-hold 243 241 - required: 244 242 - bias-pull-up ··· 248 250 oneOf: 249 251 - required: 250 252 - bias-disable 251 - - required: 252 - - bias-high-impedance 253 253 - required: 254 254 - bias-bus-hold 255 255 - required: