projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| ae6b4d85 LW |
1 | /* |
| 2 | * Interface the pinconfig portions of the pinctrl subsystem | |
| 3 | * | |
| 4 | * Copyright (C) 2011 ST-Ericsson SA | |
| 5 | * Written on behalf of Linaro for ST-Ericsson | |
| 6 | * This interface is used in the core to keep track of pins. | |
| 7 | * | |
| 8 | * Author: Linus Walleij <linus.walleij@linaro.org> | |
| 9 | * | |
| 10 | * License terms: GNU General Public License (GPL) version 2 | |
| 11 | */ | |
| 12 | #ifndef __LINUX_PINCTRL_PINCONF_H | |
| 13 | #define __LINUX_PINCTRL_PINCONF_H | |
| 14 | ||
| 15 | #ifdef CONFIG_PINCONF | |
| 16 | ||
| f07512e6 LM |
17 | #include <linux/pinctrl/machine.h> |
| 18 | ||
| ae6b4d85 | 19 | struct pinctrl_dev; |
| 63fd5984 | 20 | struct seq_file; |
| ae6b4d85 LW |
21 | |
| 22 | /** | |
| 23 | * struct pinconf_ops - pin config operations, to be implemented by | |
| 24 | * pin configuration capable drivers. | |
| 394349f7 LW |
25 | * @is_generic: for pin controllers that want to use the generic interface, |
| 26 | * this flag tells the framework that it's generic. | |
| ae6b4d85 LW |
27 | * @pin_config_get: get the config of a certain pin, if the requested config |
| 28 | * is not available on this controller this should return -ENOTSUPP | |
| 29 | * and if it is available but disabled it should return -EINVAL | |
| ae6b4d85 LW |
30 | * @pin_config_set: configure an individual pin |
| 31 | * @pin_config_group_get: get configurations for an entire pin group | |
| 32 | * @pin_config_group_set: configure all pins in a group | |
| 1c851fb1 | 33 | * @pin_config_dbg_parse_modify: optional debugfs to modify a pin configuration |
| ae6b4d85 LW |
34 | * @pin_config_dbg_show: optional debugfs display hook that will provide |
| 35 | * per-device info for a certain pin in debugfs | |
| 36 | * @pin_config_group_dbg_show: optional debugfs display hook that will provide | |
| 37 | * per-device info for a certain group in debugfs | |
| 6cb41587 SW |
38 | * @pin_config_config_dbg_show: optional debugfs display hook that will decode |
| 39 | * and display a driver's pin configuration parameter | |
| ae6b4d85 LW |
40 | */ |
| 41 | struct pinconf_ops { | |
| 394349f7 LW |
42 | #ifdef CONFIG_GENERIC_PINCONF |
| 43 | bool is_generic; | |
| 44 | #endif | |
| ae6b4d85 LW |
45 | int (*pin_config_get) (struct pinctrl_dev *pctldev, |
| 46 | unsigned pin, | |
| 47 | unsigned long *config); | |
| 48 | int (*pin_config_set) (struct pinctrl_dev *pctldev, | |
| 49 | unsigned pin, | |
| 03b054e9 SY |
50 | unsigned long *configs, |
| 51 | unsigned num_configs); | |
| ae6b4d85 LW |
52 | int (*pin_config_group_get) (struct pinctrl_dev *pctldev, |
| 53 | unsigned selector, | |
| 54 | unsigned long *config); | |
| 55 | int (*pin_config_group_set) (struct pinctrl_dev *pctldev, | |
| 56 | unsigned selector, | |
| 03b054e9 SY |
57 | unsigned long *configs, |
| 58 | unsigned num_configs); | |
| f07512e6 LM |
59 | int (*pin_config_dbg_parse_modify) (struct pinctrl_dev *pctldev, |
| 60 | const char *arg, | |
| 61 | unsigned long *config); | |
| ae6b4d85 LW |
62 | void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev, |
| 63 | struct seq_file *s, | |
| 64 | unsigned offset); | |
| 65 | void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev, | |
| 66 | struct seq_file *s, | |
| 67 | unsigned selector); | |
| 6cb41587 SW |
68 | void (*pin_config_config_dbg_show) (struct pinctrl_dev *pctldev, |
| 69 | struct seq_file *s, | |
| 70 | unsigned long config); | |
| ae6b4d85 LW |
71 | }; |
| 72 | ||
| ae6b4d85 LW |
73 | #endif |
| 74 | ||
| 75 | #endif /* __LINUX_PINCTRL_PINCONF_H */ |