gpio: Merge TCA6416 & TCA6408 drivers into TCA64XXThis merges TCA6416, TCA6408 drivers and adds PCA9555 support.They handle 8 pin and 16 pin ICs with basic INPUT/OUTPUT functionality.The register
gpio: Merge TCA6416 & TCA6408 drivers into TCA64XXThis merges TCA6416, TCA6408 drivers and adds PCA9555 support.They handle 8 pin and 16 pin ICs with basic INPUT/OUTPUT functionality.The register map is fairly similar so there is no point in having twoseparate drivers.Reviewed by: kdObtained from: SemihalfDifferential Revision: https://reviews.freebsd.org/D36559
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