7187ccccdc
Add basic TCA6416 GPIO expander support over I2C bus. The driver handles enabling and disabling pins, setting pin mode to IN and OUT and toggling the pins. External interrupts are not supported. Submitted by: Dawid Gorecki <dgr@semihalf.com> Reviewed by: manu, mmel Obtained from: Semihalf Sponsored by: Alstom Group Differential Revision: https://reviews.freebsd.org/D24363 |
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