1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Pinctrl for Cirrus Logic CS47L35 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 cs47l35_aif3_pins[] = { 0, 1, 2, 3 }; 28 static const unsigned int cs47l35_spk_pins[] = { 4, 5 }; 29 static const unsigned int cs47l35_aif1_pins[] = { 7, 8, 9, 10 }; 30 static const unsigned int cs47l35_aif2_pins[] = { 11, 12, 13, 14 }; 31 static const unsigned int cs47l35_mif1_pins[] = { 6, 15 }; 32 33 static const struct madera_pin_groups cs47l35_pin_groups[] = { 34 { "aif1", cs47l35_aif1_pins, ARRAY_SIZE(cs47l35_aif1_pins) }, 35 { "aif2", cs47l35_aif2_pins, ARRAY_SIZE(cs47l35_aif2_pins) }, 36 { "aif3", cs47l35_aif3_pins, ARRAY_SIZE(cs47l35_aif3_pins) }, 37 { "mif1", cs47l35_mif1_pins, ARRAY_SIZE(cs47l35_mif1_pins) }, 38 { "pdmspk1", cs47l35_spk_pins, ARRAY_SIZE(cs47l35_spk_pins) }, 39 }; 40 41 const struct madera_pin_chip cs47l35_pin_chip = { 42 .n_pins = CS47L35_NUM_GPIOS, 43 .pin_groups = cs47l35_pin_groups, 44 .n_pin_groups = ARRAY_SIZE(cs47l35_pin_groups), 45 }; 46