drivers/pinctrl/sh-pfc/core.h

   1 /*
   2  * SuperH Pin Function Controller support.
   3  *
   4  * Copyright (C) 2012  Renesas Solutions Corp.
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #ifndef __SH_PFC_CORE_H__
  11 #define __SH_PFC_CORE_H__
  12
  13 #include <linux/types.h>
  14
  15 #include "sh_pfc.h"
  16
  17 struct sh_pfc_pin_range {
  18         u16 start;
  19         u16 end;
  20 };
  21
  22 int sh_pfc_register_gpiochip(struct sh_pfc *pfc);
  23
  24 int sh_pfc_register_pinctrl(struct sh_pfc *pfc);
  25
  26 u32 sh_pfc_read_raw_reg(void __iomem *mapped_reg, unsigned int reg_width);
  27 void sh_pfc_write_raw_reg(void __iomem *mapped_reg, unsigned int reg_width,
  28                           u32 data);
  29 u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg);
  30 void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data);
  31
  32 int sh_pfc_get_pin_index(struct sh_pfc *pfc, unsigned int pin);
  33 int sh_pfc_config_mux(struct sh_pfc *pfc, unsigned mark, int pinmux_type);
  34
  35 const struct pinmux_bias_reg *
  36 sh_pfc_pin_to_bias_reg(const struct sh_pfc *pfc, unsigned int pin,
  37                        unsigned int *bit);
  38
  39 #endif /* __SH_PFC_CORE_H__ */