projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| af873fce | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| ae6b4d85 LW |
2 | /* |
| 3 | * Interface the pinconfig portions of the pinctrl subsystem | |
| 4 | * | |
| 5 | * Copyright (C) 2011 ST-Ericsson SA | |
| 6 | * Written on behalf of Linaro for ST-Ericsson | |
| 7 | * This interface is used in the core to keep track of pins. | |
| 8 | * | |
| 9 | * Author: Linus Walleij <linus.walleij@linaro.org> | |
| ae6b4d85 LW |
10 | */ |
| 11 | #ifndef __LINUX_PINCTRL_PINCONF_H | |
| 12 | #define __LINUX_PINCTRL_PINCONF_H | |
| 13 | ||
| 4eb29348 | 14 | #include <linux/types.h> |
| ae6b4d85 LW |
15 | |
| 16 | struct pinctrl_dev; | |
| 63fd5984 | 17 | struct seq_file; |
| ae6b4d85 LW |
18 | |
| 19 | /** | |
| 20 | * struct pinconf_ops - pin config operations, to be implemented by | |
| 21 | * pin configuration capable drivers. | |
| 394349f7 LW |
22 | * @is_generic: for pin controllers that want to use the generic interface, |
| 23 | * this flag tells the framework that it's generic. | |
| ae6b4d85 LW |
24 | * @pin_config_get: get the config of a certain pin, if the requested config |
| 25 | * is not available on this controller this should return -ENOTSUPP | |
| 26 | * and if it is available but disabled it should return -EINVAL | |
| ae6b4d85 | 27 | * @pin_config_set: configure an individual pin |
| 63f3fb8d DA |
28 | * @pin_config_group_get: get configurations for an entire pin group; should |
| 29 | * return -ENOTSUPP and -EINVAL using the same rules as pin_config_get. | |
| ae6b4d85 LW |
30 | * @pin_config_group_set: configure all pins in a group |
| 31 | * @pin_config_dbg_show: optional debugfs display hook that will provide | |
| 32 | * per-device info for a certain pin in debugfs | |
| 33 | * @pin_config_group_dbg_show: optional debugfs display hook that will provide | |
| 34 | * per-device info for a certain group in debugfs | |
| 6cb41587 SW |
35 | * @pin_config_config_dbg_show: optional debugfs display hook that will decode |
| 36 | * and display a driver's pin configuration parameter | |
| ae6b4d85 LW |
37 | */ |
| 38 | struct pinconf_ops { | |
| 394349f7 LW |
39 | #ifdef CONFIG_GENERIC_PINCONF |
| 40 | bool is_generic; | |
| 41 | #endif | |
| ae6b4d85 LW |
42 | int (*pin_config_get) (struct pinctrl_dev *pctldev, |
| 43 | unsigned pin, | |
| 44 | unsigned long *config); | |
| 45 | int (*pin_config_set) (struct pinctrl_dev *pctldev, | |
| 46 | unsigned pin, | |
| 03b054e9 SY |
47 | unsigned long *configs, |
| 48 | unsigned num_configs); | |
| ae6b4d85 LW |
49 | int (*pin_config_group_get) (struct pinctrl_dev *pctldev, |
| 50 | unsigned selector, | |
| 51 | unsigned long *config); | |
| 52 | int (*pin_config_group_set) (struct pinctrl_dev *pctldev, | |
| 53 | unsigned selector, | |
| 03b054e9 SY |
54 | unsigned long *configs, |
| 55 | unsigned num_configs); | |
| ae6b4d85 LW |
56 | void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev, |
| 57 | struct seq_file *s, | |
| 58 | unsigned offset); | |
| 59 | void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev, | |
| 60 | struct seq_file *s, | |
| 61 | unsigned selector); | |
| 6cb41587 SW |
62 | void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev, |
| 63 | struct seq_file *s, | |
| 64 | unsigned long config); | |
| ae6b4d85 LW |
65 | }; |
| 66 | ||
| ae6b4d85 | 67 | #endif /* __LINUX_PINCTRL_PINCONF_H */ |