drivers/pinctrl/spacemit/pinctrl-k1.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2024 Yixun Lan <dlan@gentoo.org> */
   3
   4 #ifndef _PINCTRL_SPACEMIT_K1_H
   5 #define _PINCTRL_SPACEMIT_K1_H
   6
   7 #include <linux/bits.h>
   8 #include <linux/bitfield.h>
   9 #include <linux/device.h>
  10 #include <linux/mutex.h>
  11 #include <linux/spinlock.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/pinctrl/pinctrl.h>
  14 #include <linux/pinctrl/pinconf.h>
  15
  16 enum spacemit_pin_io_type {
  17         IO_TYPE_NONE = 0,
  18         IO_TYPE_1V8,
  19         IO_TYPE_3V3,
  20         IO_TYPE_EXTERNAL,
  21 };
  22
  23 #define PIN_POWER_STATE_1V8             1800
  24 #define PIN_POWER_STATE_3V3             3300
  25
  26 #define K1_PIN_IO_TYPE          GENMASK(2, 1)
  27
  28 #define K1_PIN_CAP_IO_TYPE(type)                                \
  29         FIELD_PREP_CONST(K1_PIN_IO_TYPE, type)
  30 #define K1_PIN_GET_IO_TYPE(val)                                 \
  31         FIELD_GET(K1_PIN_IO_TYPE, val)
  32
  33 #define K1_FUNC_PIN(_id, _gpiofunc, _io)                        \
  34         {                                                       \
  35                 .pin            = (_id),                        \
  36                 .gpiofunc       = (_gpiofunc),                  \
  37                 .flags          = (K1_PIN_CAP_IO_TYPE(_io)),    \
  38         }
  39
  40 #endif /* _PINCTRL_SPACEMIT_K1_H */