1 #ifndef LINUX_SPI_MAX7301_H
2 #define LINUX_SPI_MAX7301_H
4 #include <linux/gpio.h>
7 * Some registers must be read back to modify.
8 * To save time we cache them here in memory
12 u8 port_config[8]; /* field 0 is unused */
13 u32 out_level; /* cached output levels */
14 struct gpio_chip chip;
16 int (*write)(struct device *dev, unsigned int reg, unsigned int val);
17 int (*read)(struct device *dev, unsigned int reg);
20 struct max7301_platform_data {
21 /* number assigned to the first GPIO */
25 extern int __max730x_remove(struct device *dev);
26 extern int __max730x_probe(struct max7301 *ts);