| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef LINUX_SPI_MAX7301_H |
| #define LINUX_SPI_MAX7301_H |
| * Some registers must be read back to modify. |
| * To save time we cache them here in memory |
| u8 port_config[8]; /* field 0 is unused */ |
| u32 out_level; /* cached output levels */ |
| int (*write)(struct device *dev, unsigned int reg, unsigned int val); |
| int (*read)(struct device *dev, unsigned int reg); |
| struct max7301_platform_data { |
| /* number assigned to the first GPIO */ |
| * bitmask controlling the pullup configuration, |
| * _note_ the 4 lowest bits are unused, because the first 4 |
| * ports of the controller are not used, too. |
| extern int __max730x_remove(struct device *dev); |
| extern int __max730x_probe(struct max7301 *ts); |