/* * 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__ */