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-rw-r--r--include/linux/platform_data/pca953x.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/platform_data/pca953x.h b/include/linux/platform_data/pca953x.h
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index 000000000000..3c98dd4f901f
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+++ b/include/linux/platform_data/pca953x.h
@@ -0,0 +1,30 @@
1#ifndef _LINUX_PCA953X_H
2#define _LINUX_PCA953X_H
3
4#include <linux/types.h>
5#include <linux/i2c.h>
6
7/* platform data for the PCA9539 16-bit I/O expander driver */
8
9struct pca953x_platform_data {
10 /* number of the first GPIO */
11 unsigned gpio_base;
12
13 /* initial polarity inversion setting */
14 u32 invert;
15
16 /* interrupt base */
17 int irq_base;
18
19 void *context; /* param to setup/teardown */
20
21 int (*setup)(struct i2c_client *client,
22 unsigned gpio, unsigned ngpio,
23 void *context);
24 int (*teardown)(struct i2c_client *client,
25 unsigned gpio, unsigned ngpio,
26 void *context);
27 const char *const *names;
28};
29
30#endif /* _LINUX_PCA953X_H */