| /* |
| * Driver header file for pin controller driver |
| * Copyright (C) 2017 Spreadtrum - http://www.spreadtrum.com |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| */ |
| |
| #ifndef __PINCTRL_SPRD_H__ |
| #define __PINCTRL_SPRD_H__ |
| |
| struct platform_device; |
| |
| #define NUM_OFFSET (20) |
| #define TYPE_OFFSET (16) |
| #define BIT_OFFSET (8) |
| #define WIDTH_OFFSET (4) |
| |
| #define SPRD_PIN_INFO(num, type, offset, width, reg) \ |
| (((num) & 0xFFF) << NUM_OFFSET | \ |
| ((type) & 0xF) << TYPE_OFFSET | \ |
| ((offset) & 0xFF) << BIT_OFFSET | \ |
| ((width) & 0xF) << WIDTH_OFFSET | \ |
| ((reg) & 0xF)) |
| |
| #define SPRD_PINCTRL_PIN(pin) SPRD_PINCTRL_PIN_DATA(pin, #pin) |
| |
| #define SPRD_PINCTRL_PIN_DATA(a, b) \ |
| { \ |
| .name = b, \ |
| .num = (((a) >> NUM_OFFSET) & 0xfff), \ |
| .type = (((a) >> TYPE_OFFSET) & 0xf), \ |
| .bit_offset = (((a) >> BIT_OFFSET) & 0xff), \ |
| .bit_width = ((a) >> WIDTH_OFFSET & 0xf), \ |
| .reg = ((a) & 0xf) \ |
| } |
| |
| enum pin_type { |
| GLOBAL_CTRL_PIN, |
| COMMON_PIN, |
| MISC_PIN, |
| }; |
| |
| struct sprd_pins_info { |
| const char *name; |
| unsigned int num; |
| enum pin_type type; |
| |
| /* for global control pins configuration */ |
| unsigned long bit_offset; |
| unsigned long bit_width; |
| unsigned int reg; |
| }; |
| |
| int sprd_pinctrl_core_probe(struct platform_device *pdev, |
| struct sprd_pins_info *sprd_soc_pin_info, |
| int pins_cnt); |
| int sprd_pinctrl_remove(struct platform_device *pdev); |
| void sprd_pinctrl_shutdown(struct platform_device *pdev); |
| |
| #endif /* __PINCTRL_SPRD_H__ */ |