| Kuan Lim Lee | ec2b8f2 | 2023-03-29 11:42:15 +0800 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * Pinctrl / GPIO driver for StarFive SoC |
| 4 | * |
| 5 | * Copyright (C) 2022 Shanghai StarFive Technology Co., Ltd. |
| 6 | * Author: Lee Kuan Lim <kuanlim.lee@starfivetech.com> |
| 7 | * Author: Jianlong Huang <jianlong.huang@starfivetech.com> |
| 8 | */ |
| 9 | |
| 10 | #define STARFIVE_PINCTRL(a, b) { .number = a, .name = b } |
| 11 | |
| 12 | extern const struct pinctrl_ops starfive_pinctrl_ops; |
| 13 | |
| 14 | struct starfive_pinctrl_pin { |
| 15 | unsigned int number; |
| 16 | const char *name; |
| 17 | }; |
| 18 | |
| 19 | struct starfive_pinctrl_soc_info { |
| 20 | /* pinctrl */ |
| 21 | int (*set_one_pinmux)(struct udevice *dev, unsigned int pin, |
| 22 | unsigned int din, u32 dout, u32 doen, u32 func); |
| 23 | int (*get_padcfg_base)(struct udevice *dev, |
| 24 | unsigned int pin); |
| 25 | |
| 26 | /* gpio dout/doen/din/gpioinput register */ |
| 27 | unsigned int dout_reg_base; |
| 28 | unsigned int dout_mask; |
| 29 | unsigned int doen_reg_base; |
| 30 | unsigned int doen_mask; |
| 31 | unsigned int gpi_reg_base; |
| 32 | unsigned int gpi_mask; |
| 33 | unsigned int gpioin_reg_base; |
| 34 | |
| 35 | /* gpio */ |
| 36 | const char *gpio_bank_name; |
| 37 | int ngpios; |
| 38 | void (*gpio_init_hw)(struct udevice *dev); |
| 39 | }; |
| 40 | |
| 41 | /* |
| 42 | * struct starfive_pinctrl_priv - private data for Starfive pinctrl driver |
| 43 | * |
| 44 | * @padctl_base: base address of the pinctrl device |
| 45 | * @info: SoC specific data & function |
| 46 | */ |
| 47 | struct starfive_pinctrl_priv { |
| 48 | void __iomem *base; |
| 49 | struct starfive_pinctrl_soc_info *info; |
| 50 | }; |
| 51 | |
| 52 | void starfive_set_gpiomux(struct udevice *dev, unsigned int pin, |
| 53 | unsigned int din, u32 dout, u32 doen); |
| 54 | int starfive_pinctrl_probe(struct udevice *dev, |
| 55 | const struct starfive_pinctrl_soc_info *info); |