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 };
54