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Diffstat (limited to '')
| -rw-r--r-- | include/linux/platform_data/pca953x.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/platform_data/pca953x.h b/include/linux/platform_data/pca953x.h new file mode 100644 index 000000000..4eb53e023 --- /dev/null +++ b/include/linux/platform_data/pca953x.h @@ -0,0 +1,31 @@ +/* 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 */ |