Allow gpio-line-names property (quite commonly used) and constrain
gpio-reserved-ranges.
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221230135645.56401-3-krzysztof.kozlowski@linaro.orgSigned-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>