diff options
| author | Juergen Beisert <j.beisert@pengutronix.de> | 2008-07-21 14:21:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-22 09:59:40 -0700 |
| commit | 0c36ec31473593aa937ff04f3b3b630e81512734 (patch) | |
| tree | 28afc1e7d6e0cf31f1ab2978a121e5f8cf504cc9 /include/linux/spi/max7301.h | |
| parent | 651910874633a75f4a726d44e449be0a56b4b2e0 (diff) | |
| download | lwn-0c36ec31473593aa937ff04f3b3b630e81512734.tar.gz lwn-0c36ec31473593aa937ff04f3b3b630e81512734.zip | |
gpio: gpio driver for max7301 SPI GPIO expander
Maxim's MAX7301 is an SPI GPIO expander with 28 GPIOs. Note: MAX7301's
interrupt feature is not supported yet.
[akpm@linux-foundation.org: coding-style fixes]
[g.liakhovetski@pengutronix.de: Fix inaccuracies in comments, check spi_setup()
return code, mask off high byte in max7301_read()]
Signed-off-by: Juergen Beisert <j.beisert@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/spi/max7301.h')
| -rw-r--r-- | include/linux/spi/max7301.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/spi/max7301.h b/include/linux/spi/max7301.h new file mode 100644 index 000000000000..6dfd83f19b4b --- /dev/null +++ b/include/linux/spi/max7301.h @@ -0,0 +1,9 @@ +#ifndef LINUX_SPI_MAX7301_H +#define LINUX_SPI_MAX7301_H + +struct max7301_platform_data { + /* number assigned to the first GPIO */ + unsigned base; +}; + +#endif |