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31 lines
690 B
31 lines
690 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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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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