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495dcd659a
This patch adds gpio-pcal9535a.c and gpio-pcal9535a.h files, which support access to I2C-based PCAL9535A GPIO controller configuration register through a function interface. The PCAL9535A is a low-voltage 16-bit GPIO expander with interrupt and reset for I2C-bus/SMBus applications. It contains the PCA9535 register set of four pairs of 8-bit Configuration, Input, Output, and Polarity Inversion registers, and additionally, the PCAL9535A has Agile I/O, which are additional features specifically designed to enhance the I/O. More about PCAL9535A can be found in its datasheet[1]. This driver is needed in order to configure Galileo pinmux. [1] - http://www.nxp.com/documents/data_sheet/PCAL9535A.pdf |
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| .. | ||
| 6502 | ||
| arm | ||
| avr | ||
| cc26xx-cc13xx | ||
| cc253x | ||
| cc2430 | ||
| cc2538 | ||
| mc1322x | ||
| msp430 | ||
| native | ||
| pic32 | ||
| rl78 | ||
| stm32w108 | ||
| x86 | ||