Staging
v0.8.1
https://github.com/torvalds/linux
Raw File
Tip revision: 0ecfebd2b52404ae0c54a878c872bb93363ada36 authored by Linus Torvalds on 07 July 2019, 22:41:56 UTC
Linux 5.2
Tip revision: 0ecfebd
pca953x.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_PCA953X_H
#define _LINUX_PCA953X_H

#include <linux/types.h>
#include <linux/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;

	/* interrupt base */
	int		irq_base;

	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 */
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