1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Driver header file for pin controller driver 4 * Copyright (C) 2017 Spreadtrum - http://www.spreadtrum.com 5 */ 6 7 #ifndef __PINCTRL_SPRD_H__ 8 #define __PINCTRL_SPRD_H__ 9 10 struct platform_device; 11 12 #define NUM_OFFSET (20) 13 #define TYPE_OFFSET (16) 14 #define BIT_OFFSET (8) 15 #define WIDTH_OFFSET (4) 16 17 #define SPRD_PIN_INFO(num, type, offset, width, reg) \ 18 (((num) & 0xFFF) << NUM_OFFSET | \ 19 ((type) & 0xF) << TYPE_OFFSET | \ 20 ((offset) & 0xFF) << BIT_OFFSET | \ 21 ((width) & 0xF) << WIDTH_OFFSET | \ 22 ((reg) & 0xF)) 23 24 #define SPRD_PINCTRL_PIN(pin) SPRD_PINCTRL_PIN_DATA(pin, #pin) 25 26 #define SPRD_PINCTRL_PIN_DATA(a, b) \ 27 { \ 28 .name = b, \ 29 .num = (((a) >> NUM_OFFSET) & 0xfff), \ 30 .type = (((a) >> TYPE_OFFSET) & 0xf), \ 31 .bit_offset = (((a) >> BIT_OFFSET) & 0xff), \ 32 .bit_width = ((a) >> WIDTH_OFFSET & 0xf), \ 33 .reg = ((a) & 0xf) \ 34 } 35 36 enum pin_type { 37 GLOBAL_CTRL_PIN, 38 COMMON_PIN, 39 MISC_PIN, 40 }; 41 42 struct sprd_pins_info { 43 const char *name; 44 unsigned int num; 45 enum pin_type type; 46 47 /* for global control pins configuration */ 48 unsigned long bit_offset; 49 unsigned long bit_width; 50 unsigned int reg; 51 }; 52 53 int sprd_pinctrl_core_probe(struct platform_device *pdev, 54 struct sprd_pins_info *sprd_soc_pin_info, 55 int pins_cnt); 56 void sprd_pinctrl_remove(struct platform_device *pdev); 57 void sprd_pinctrl_shutdown(struct platform_device *pdev); 58 59 #endif /* __PINCTRL_SPRD_H__ */ 60