| /* 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_ */ |
