root/drivers/pinctrl/cirrus/pinctrl-cs47l90.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Pinctrl for Cirrus Logic CS47L90
   4  *
   5  * Copyright (C) 2016-2017 Cirrus Logic
   6  */
   7 
   8 #include <linux/err.h>
   9 #include <linux/mfd/madera/core.h>
  10 
  11 #include "pinctrl-madera.h"
  12 
  13 /*
  14  * The alt func groups are the most commonly used functions we place these at
  15  * the lower function indexes for convenience, and the less commonly used gpio
  16  * functions at higher indexes.
  17  *
  18  * To stay consistent with the datasheet the function names are the same as
  19  * the group names for that function's pins
  20  *
  21  * Note - all 1 less than in datasheet because these are zero-indexed
  22  */
  23 static const unsigned int cs47l90_mif1_pins[] = { 8, 9 };
  24 static const unsigned int cs47l90_mif2_pins[] = { 10, 11 };
  25 static const unsigned int cs47l90_mif3_pins[] = { 12, 13 };
  26 static const unsigned int cs47l90_aif1_pins[] = { 14, 15, 16, 17 };
  27 static const unsigned int cs47l90_aif2_pins[] = { 18, 19, 20, 21 };
  28 static const unsigned int cs47l90_aif3_pins[] = { 22, 23, 24, 25 };
  29 static const unsigned int cs47l90_aif4_pins[] = { 26, 27, 28, 29 };
  30 static const unsigned int cs47l90_dmic4_pins[] = { 30, 31 };
  31 static const unsigned int cs47l90_dmic5_pins[] = { 32, 33 };
  32 static const unsigned int cs47l90_dmic3_pins[] = { 34, 35 };
  33 static const unsigned int cs47l90_spk1_pins[] = { 36, 37 };
  34 
  35 static const struct madera_pin_groups cs47l90_pin_groups[] = {
  36         { "aif1", cs47l90_aif1_pins, ARRAY_SIZE(cs47l90_aif1_pins) },
  37         { "aif2", cs47l90_aif2_pins, ARRAY_SIZE(cs47l90_aif2_pins) },
  38         { "aif3", cs47l90_aif3_pins, ARRAY_SIZE(cs47l90_aif3_pins) },
  39         { "aif4", cs47l90_aif4_pins, ARRAY_SIZE(cs47l90_aif4_pins) },
  40         { "mif1", cs47l90_mif1_pins, ARRAY_SIZE(cs47l90_mif1_pins) },
  41         { "mif2", cs47l90_mif2_pins, ARRAY_SIZE(cs47l90_mif2_pins) },
  42         { "mif3", cs47l90_mif3_pins, ARRAY_SIZE(cs47l90_mif3_pins) },
  43         { "dmic3", cs47l90_dmic3_pins, ARRAY_SIZE(cs47l90_dmic3_pins) },
  44         { "dmic4", cs47l90_dmic4_pins, ARRAY_SIZE(cs47l90_dmic4_pins) },
  45         { "dmic5", cs47l90_dmic5_pins, ARRAY_SIZE(cs47l90_dmic5_pins) },
  46         { "pdmspk1", cs47l90_spk1_pins, ARRAY_SIZE(cs47l90_spk1_pins) },
  47 };
  48 
  49 const struct madera_pin_chip cs47l90_pin_chip = {
  50         .n_pins = CS47L90_NUM_GPIOS,
  51         .pin_groups = cs47l90_pin_groups,
  52         .n_pin_groups = ARRAY_SIZE(cs47l90_pin_groups),
  53 };