3  * Driver for PCA9570 I2C GPO expander
31  * struct pca9570 - GPIO driver data
37 struct pca9570 {  struct
44 static int pca9570_read(struct pca9570 *gpio, u8 *value)  in pca9570_read()  argument
61 static int pca9570_write(struct pca9570 *gpio, u8 value)  in pca9570_write()
80 	struct pca9570 *gpio = gpiochip_get_data(chip);  in pca9570_get()
93 	struct pca9570 *gpio = gpiochip_get_data(chip);  in pca9570_set()
117 	struct pca9570 *gpio;  in pca9570_probe()
158 	{ "pca9570", (kernel_ulong_t)&pca9570_gpio},
167 	{ .compatible = "nxp,pca9570", .data = &pca9570_gpio },
175 		.name = "pca9570",
184 MODULE_DESCRIPTION("GPIO expander driver for PCA9570");