31 lines
651 B
C
31 lines
651 B
C
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#ifndef _LINUX_PCA953X_H
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#define _LINUX_PCA953X_H
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#include <linux/types.h>
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#include <linux/i2c.h>
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/* platform data for the PCA9539 16-bit I/O expander driver */
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struct pca953x_platform_data {
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/* number of the first GPIO */
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unsigned gpio_base;
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/* initial polarity inversion setting */
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u32 invert;
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/* interrupt base */
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int irq_base;
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void *context; /* param to setup/teardown */
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int (*setup)(struct i2c_client *client,
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unsigned gpio, unsigned ngpio,
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void *context);
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int (*teardown)(struct i2c_client *client,
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unsigned gpio, unsigned ngpio,
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void *context);
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const char *const *names;
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};
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#endif /* _LINUX_PCA953X_H */
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