| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Driver header file for pin controller driver |
| 3 | * Copyright (C) 2017 Spreadtrum - http://www.spreadtrum.com |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * version 2 as published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but |
| 10 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef __PINCTRL_SPRD_H__ |
| 16 | #define __PINCTRL_SPRD_H__ |
| 17 | |
| 18 | struct platform_device; |
| 19 | |
| 20 | #define NUM_OFFSET (20) |
| 21 | #define TYPE_OFFSET (16) |
| 22 | #define BIT_OFFSET (8) |
| 23 | #define WIDTH_OFFSET (4) |
| 24 | |
| 25 | #define SPRD_PIN_INFO(num, type, offset, width, reg) \ |
| 26 | (((num) & 0xFFF) << NUM_OFFSET | \ |
| 27 | ((type) & 0xF) << TYPE_OFFSET | \ |
| 28 | ((offset) & 0xFF) << BIT_OFFSET | \ |
| 29 | ((width) & 0xF) << WIDTH_OFFSET | \ |
| 30 | ((reg) & 0xF)) |
| 31 | |
| 32 | #define SPRD_PINCTRL_PIN(pin) SPRD_PINCTRL_PIN_DATA(pin, #pin) |
| 33 | |
| 34 | #define SPRD_PINCTRL_PIN_DATA(a, b) \ |
| 35 | { \ |
| 36 | .name = b, \ |
| 37 | .num = (((a) >> NUM_OFFSET) & 0xfff), \ |
| 38 | .type = (((a) >> TYPE_OFFSET) & 0xf), \ |
| 39 | .bit_offset = (((a) >> BIT_OFFSET) & 0xff), \ |
| 40 | .bit_width = ((a) >> WIDTH_OFFSET & 0xf), \ |
| 41 | .reg = ((a) & 0xf) \ |
| 42 | } |
| 43 | |
| 44 | enum pin_type { |
| 45 | GLOBAL_CTRL_PIN, |
| 46 | COMMON_PIN, |
| 47 | MISC_PIN, |
| 48 | }; |
| 49 | |
| 50 | struct sprd_pins_info { |
| 51 | const char *name; |
| 52 | unsigned int num; |
| 53 | enum pin_type type; |
| 54 | |
| 55 | /* for global control pins configuration */ |
| 56 | unsigned long bit_offset; |
| 57 | unsigned long bit_width; |
| 58 | unsigned int reg; |
| 59 | }; |
| 60 | |
| 61 | int sprd_pinctrl_core_probe(struct platform_device *pdev, |
| 62 | struct sprd_pins_info *sprd_soc_pin_info, |
| 63 | int pins_cnt); |
| 64 | int sprd_pinctrl_remove(struct platform_device *pdev); |
| 65 | void sprd_pinctrl_shutdown(struct platform_device *pdev); |
| 66 | |
| 67 | #endif /* __PINCTRL_SPRD_H__ */ |