drivers/pinctrl/cirrus/pinctrl-cs47l85.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Pinctrl for Cirrus Logic CS47L85
   4  *
   5  * Copyright (C) 2016-2017 Cirrus Logic
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; version 2.
  10  */
  11
  12 #include <linux/err.h>
  13 #include <linux/mfd/madera/core.h>
  14
  15 #include "pinctrl-madera.h"
  16
  17 /*
  18  * The alt func groups are the most commonly used functions we place these at
  19  * the lower function indexes for convenience, and the less commonly used gpio
  20  * functions at higher indexes.
  21  *
  22  * To stay consistent with the datasheet the function names are the same as
  23  * the group names for that function's pins
  24  *
  25  * Note - all 1 less than in datasheet because these are zero-indexed
  26  */
  27 static const unsigned int cs47l85_mif1_pins[] = { 8, 9 };
  28 static const unsigned int cs47l85_mif2_pins[] = { 10, 11 };
  29 static const unsigned int cs47l85_mif3_pins[] = { 12, 13 };
  30 static const unsigned int cs47l85_aif1_pins[] = { 14, 15, 16, 17 };
  31 static const unsigned int cs47l85_aif2_pins[] = { 18, 19, 20, 21 };
  32 static const unsigned int cs47l85_aif3_pins[] = { 22, 23, 24, 25 };
  33 static const unsigned int cs47l85_aif4_pins[] = { 26, 27, 28, 29 };
  34 static const unsigned int cs47l85_dmic4_pins[] = { 30, 31 };
  35 static const unsigned int cs47l85_dmic5_pins[] = { 32, 33 };
  36 static const unsigned int cs47l85_dmic6_pins[] = { 34, 35 };
  37 static const unsigned int cs47l85_spk1_pins[] = { 36, 38 };
  38 static const unsigned int cs47l85_spk2_pins[] = { 37, 39 };
  39
  40 static const struct madera_pin_groups cs47l85_pin_groups[] = {
  41         { "aif1", cs47l85_aif1_pins, ARRAY_SIZE(cs47l85_aif1_pins) },
  42         { "aif2", cs47l85_aif2_pins, ARRAY_SIZE(cs47l85_aif2_pins) },
  43         { "aif3", cs47l85_aif3_pins, ARRAY_SIZE(cs47l85_aif3_pins) },
  44         { "aif4", cs47l85_aif4_pins, ARRAY_SIZE(cs47l85_aif4_pins) },
  45         { "mif1", cs47l85_mif1_pins, ARRAY_SIZE(cs47l85_mif1_pins) },
  46         { "mif2", cs47l85_mif2_pins, ARRAY_SIZE(cs47l85_mif2_pins) },
  47         { "mif3", cs47l85_mif3_pins, ARRAY_SIZE(cs47l85_mif3_pins) },
  48         { "dmic4", cs47l85_dmic4_pins, ARRAY_SIZE(cs47l85_dmic4_pins) },
  49         { "dmic5", cs47l85_dmic5_pins, ARRAY_SIZE(cs47l85_dmic5_pins) },
  50         { "dmic6", cs47l85_dmic6_pins, ARRAY_SIZE(cs47l85_dmic6_pins) },
  51         { "pdmspk1", cs47l85_spk1_pins, ARRAY_SIZE(cs47l85_spk1_pins) },
  52         { "pdmspk2", cs47l85_spk2_pins, ARRAY_SIZE(cs47l85_spk2_pins) },
  53 };
  54
  55 const struct madera_pin_chip cs47l85_pin_chip = {
  56         .n_pins = CS47L85_NUM_GPIOS,
  57         .pin_groups = cs47l85_pin_groups,
  58         .n_pin_groups = ARRAY_SIZE(cs47l85_pin_groups),
  59 };