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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2014-07-11 00:07:25 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-14 08:04:04 +0200 |
| commit | e4f94541badfff409c7be74b6282b9add2feb4c0 (patch) | |
| tree | 7199244e8aadee87b42655ade6a932fa496f1c59 /include/platform_data | |
| parent | 21c5b4ff131d6c7703411f710814991288d1f1ea (diff) | |
| download | barebox-e4f94541badfff409c7be74b6282b9add2feb4c0.tar.gz barebox-e4f94541badfff409c7be74b6282b9add2feb4c0.tar.xz | |
gpio: add driver for PCA95[357]x, PCA9698, TCA64xx, and MAX7310 SMBus I/O expanders
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/platform_data')
| -rw-r--r-- | include/platform_data/pca953x.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/platform_data/pca953x.h b/include/platform_data/pca953x.h new file mode 100644 index 0000000000..cfd253ebce --- /dev/null +++ b/include/platform_data/pca953x.h @@ -0,0 +1,27 @@ +#ifndef _LINUX_PCA953X_H +#define _LINUX_PCA953X_H + +#include <linux/types.h> +#include <i2c/i2c.h> + +/* platform data for the PCA9539 16-bit I/O expander driver */ + +struct pca953x_platform_data { + /* number of the first GPIO */ + unsigned gpio_base; + + /* initial polarity inversion setting */ + u32 invert; + + void *context; /* param to setup/teardown */ + + int (*setup)(struct i2c_client *client, + unsigned gpio, unsigned ngpio, + void *context); + int (*teardown)(struct i2c_client *client, + unsigned gpio, unsigned ngpio, + void *context); + const char *const *names; +}; + +#endif /* _LINUX_PCA953X_H */ |