1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Pinctrl for Cirrus Logic CS47L90 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 cs47l90_mif1_pins[] = { 8, 9 }; 28 static const unsigned int cs47l90_mif2_pins[] = { 10, 11 }; 29 static const unsigned int cs47l90_mif3_pins[] = { 12, 13 }; 30 static const unsigned int cs47l90_aif1_pins[] = { 14, 15, 16, 17 }; 31 static const unsigned int cs47l90_aif2_pins[] = { 18, 19, 20, 21 }; 32 static const unsigned int cs47l90_aif3_pins[] = { 22, 23, 24, 25 }; 33 static const unsigned int cs47l90_aif4_pins[] = { 26, 27, 28, 29 }; 34 static const unsigned int cs47l90_dmic4_pins[] = { 30, 31 }; 35 static const unsigned int cs47l90_dmic5_pins[] = { 32, 33 }; 36 static const unsigned int cs47l90_dmic3_pins[] = { 34, 35 }; 37 static const unsigned int cs47l90_spk1_pins[] = { 36, 37 }; 38 39 static const struct madera_pin_groups cs47l90_pin_groups[] = { 40 { "aif1", cs47l90_aif1_pins, ARRAY_SIZE(cs47l90_aif1_pins) }, 41 { "aif2", cs47l90_aif2_pins, ARRAY_SIZE(cs47l90_aif2_pins) }, 42 { "aif3", cs47l90_aif3_pins, ARRAY_SIZE(cs47l90_aif3_pins) }, 43 { "aif4", cs47l90_aif4_pins, ARRAY_SIZE(cs47l90_aif4_pins) }, 44 { "mif1", cs47l90_mif1_pins, ARRAY_SIZE(cs47l90_mif1_pins) }, 45 { "mif2", cs47l90_mif2_pins, ARRAY_SIZE(cs47l90_mif2_pins) }, 46 { "mif3", cs47l90_mif3_pins, ARRAY_SIZE(cs47l90_mif3_pins) }, 47 { "dmic3", cs47l90_dmic3_pins, ARRAY_SIZE(cs47l90_dmic3_pins) }, 48 { "dmic4", cs47l90_dmic4_pins, ARRAY_SIZE(cs47l90_dmic4_pins) }, 49 { "dmic5", cs47l90_dmic5_pins, ARRAY_SIZE(cs47l90_dmic5_pins) }, 50 { "pdmspk1", cs47l90_spk1_pins, ARRAY_SIZE(cs47l90_spk1_pins) }, 51 }; 52 53 const struct madera_pin_chip cs47l90_pin_chip = { 54 .n_pins = CS47L90_NUM_GPIOS, 55 .pin_groups = cs47l90_pin_groups, 56 .n_pin_groups = ARRAY_SIZE(cs47l90_pin_groups), 57 }; 58