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 };
60