File: //usr/src/linux-headers-5.15.0-133/include/linux/platform_data/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 */