drivers/pinctrl/sprd/pinctrl-sprd.h

   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 int sprd_pinctrl_remove(struct platform_device *pdev);
  57 void sprd_pinctrl_shutdown(struct platform_device *pdev);
  58
  59 #endif /* __PINCTRL_SPRD_H__ */