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dt-bindings: pinctrl: Allow values for drive-push-pull and drive-open-drain
A few platforms, at91 and tegra, use drive-push-pull and drive-open-drain with a 0 or 1 value. There's not really a need for values as '1' should be equivalent to no value (it wasn't treated that way) and drive-push-pull disabled is equivalent to drive-open-drain. So dropping the value can't be done without breaking existing OSs. As we don't want new cases, mark the case with values as deprecated. Cc: Arnd Bergmann <arnd@arndb.de> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Claudiu Beznea <claudiu.beznea@microchip.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220429194610.2741437-1-robh@kernel.org
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@ -52,11 +52,19 @@ properties:
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hardware supporting it the pull strength in Ohm.
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drive-push-pull:
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type: boolean
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oneOf:
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- type: boolean
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- $ref: /schemas/types.yaml#/definitions/uint32
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enum: [ 0, 1 ]
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deprecated: true
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description: drive actively high and low
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drive-open-drain:
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type: boolean
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oneOf:
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- type: boolean
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- $ref: /schemas/types.yaml#/definitions/uint32
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const: 1 # No known cases of 0
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deprecated: true
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description: drive with open drain
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drive-open-source:
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