tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
27static const unsigned int cs47l85_mif1_pins[] = { 8, 9 };
28static const unsigned int cs47l85_mif2_pins[] = { 10, 11 };
29static const unsigned int cs47l85_mif3_pins[] = { 12, 13 };
30static const unsigned int cs47l85_aif1_pins[] = { 14, 15, 16, 17 };
31static const unsigned int cs47l85_aif2_pins[] = { 18, 19, 20, 21 };
32static const unsigned int cs47l85_aif3_pins[] = { 22, 23, 24, 25 };
33static const unsigned int cs47l85_aif4_pins[] = { 26, 27, 28, 29 };
34static const unsigned int cs47l85_dmic4_pins[] = { 30, 31 };
35static const unsigned int cs47l85_dmic5_pins[] = { 32, 33 };
36static const unsigned int cs47l85_dmic6_pins[] = { 34, 35 };
37static const unsigned int cs47l85_spk1_pins[] = { 36, 38 };
38static const unsigned int cs47l85_spk2_pins[] = { 37, 39 };
39
40static 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
55const 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};