linux/drivers/gpio/gpio-i8255.h
William Breathitt Gray 6ecb741e34 gpio: i8255: Remove unused legacy interface
All i8255 library consumers have migrated to the new interface
leveraging the gpio-regmap API. Legacy interface functions and code are
removed as no longer needed.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2023-01-30 15:55:28 +01:00

35 lines
964 B
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2022 William Breathitt Gray */
#ifndef _I8255_H_
#define _I8255_H_
struct device;
struct irq_domain;
struct regmap;
#define i8255_volatile_regmap_range(_base) regmap_reg_range(_base, _base + 0x2)
/**
* struct i8255_regmap_config - Configuration for the register map of an i8255
* @parent: parent device
* @map: regmap for the i8255
* @num_ppi: number of i8255 Programmable Peripheral Interface
* @names: (optional) array of names for gpios
* @domain: (optional) IRQ domain if the controller is interrupt-capable
*
* Note: The regmap is expected to have cache enabled and i8255 control
* registers not marked as volatile.
*/
struct i8255_regmap_config {
struct device *parent;
struct regmap *map;
int num_ppi;
const char *const *names;
struct irq_domain *domain;
};
int devm_i8255_regmap_register(struct device *dev,
const struct i8255_regmap_config *config);
#endif /* _I8255_H_ */