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