| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2016 IBM Corp. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #ifndef PINCTRL_ASPEED |
| 7 | #define PINCTRL_ASPEED |
| 8 | |
| 9 | #include <linux/pinctrl/pinctrl.h> |
| 10 | #include <linux/pinctrl/pinmux.h> |
| 11 | #include <linux/pinctrl/pinconf.h> |
| 12 | #include <linux/pinctrl/pinconf-generic.h> |
| 13 | #include <linux/regmap.h> |
| 14 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 15 | #include "pinmux-aspeed.h" |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 16 | |
| 17 | /** |
| 18 | * @param The pinconf parameter type |
| 19 | * @pins The pin range this config struct covers, [low, high] |
| 20 | * @reg The register housing the configuration bits |
| 21 | * @mask The mask to select the bits of interest in @reg |
| 22 | */ |
| 23 | struct aspeed_pin_config { |
| 24 | enum pin_config_param param; |
| 25 | unsigned int pins[2]; |
| 26 | unsigned int reg; |
| 27 | u8 bit; |
| 28 | u8 value; |
| 29 | }; |
| 30 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 31 | #define ASPEED_PINCTRL_PIN(name_) \ |
| 32 | [name_] = { \ |
| 33 | .number = name_, \ |
| 34 | .name = #name_, \ |
| 35 | .drv_data = (void *) &(PIN_SYM(name_)) \ |
| 36 | } |
| 37 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 38 | struct aspeed_pinctrl_data { |
| 39 | struct regmap *scu; |
| 40 | |
| 41 | const struct pinctrl_pin_desc *pins; |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 42 | const unsigned int npins; |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 43 | |
| 44 | const struct aspeed_pin_config *configs; |
| 45 | const unsigned int nconfigs; |
| 46 | |
| 47 | struct aspeed_pinmux_data pinmux; |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 48 | }; |
| 49 | |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 50 | /* Aspeed pinctrl helpers */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 51 | int aspeed_pinctrl_get_groups_count(struct pinctrl_dev *pctldev); |
| 52 | const char *aspeed_pinctrl_get_group_name(struct pinctrl_dev *pctldev, |
| 53 | unsigned int group); |
| 54 | int aspeed_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, |
| 55 | unsigned int group, const unsigned int **pins, |
| 56 | unsigned int *npins); |
| 57 | void aspeed_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev, |
| 58 | struct seq_file *s, unsigned int offset); |
| 59 | int aspeed_pinmux_get_fn_count(struct pinctrl_dev *pctldev); |
| 60 | const char *aspeed_pinmux_get_fn_name(struct pinctrl_dev *pctldev, |
| 61 | unsigned int function); |
| 62 | int aspeed_pinmux_get_fn_groups(struct pinctrl_dev *pctldev, |
| 63 | unsigned int function, const char * const **groups, |
| 64 | unsigned int * const num_groups); |
| 65 | int aspeed_pinmux_set_mux(struct pinctrl_dev *pctldev, unsigned int function, |
| 66 | unsigned int group); |
| 67 | int aspeed_gpio_request_enable(struct pinctrl_dev *pctldev, |
| 68 | struct pinctrl_gpio_range *range, |
| 69 | unsigned int offset); |
| 70 | int aspeed_pinctrl_probe(struct platform_device *pdev, |
| 71 | struct pinctrl_desc *pdesc, |
| 72 | struct aspeed_pinctrl_data *pdata); |
| 73 | int aspeed_pin_config_get(struct pinctrl_dev *pctldev, unsigned int offset, |
| 74 | unsigned long *config); |
| 75 | int aspeed_pin_config_set(struct pinctrl_dev *pctldev, unsigned int offset, |
| 76 | unsigned long *configs, unsigned int num_configs); |
| 77 | int aspeed_pin_config_group_get(struct pinctrl_dev *pctldev, |
| 78 | unsigned int selector, |
| 79 | unsigned long *config); |
| 80 | int aspeed_pin_config_group_set(struct pinctrl_dev *pctldev, |
| 81 | unsigned int selector, |
| 82 | unsigned long *configs, |
| 83 | unsigned int num_configs); |
| 84 | |
| 85 | #endif /* PINCTRL_ASPEED */ |