1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Pinctrl for Cirrus Logic CS47L35 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 cs47l35_aif3_pins[] = { 0, 1, 2, 3 }; 24 static const unsigned int cs47l35_spk_pins[] = { 4, 5 }; 25 static const unsigned int cs47l35_aif1_pins[] = { 7, 8, 9, 10 }; 26 static const unsigned int cs47l35_aif2_pins[] = { 11, 12, 13, 14 }; 27 static const unsigned int cs47l35_mif1_pins[] = { 6, 15 }; 28 29 static const struct madera_pin_groups cs47l35_pin_groups[] = { 30 { "aif1", cs47l35_aif1_pins, ARRAY_SIZE(cs47l35_aif1_pins) }, 31 { "aif2", cs47l35_aif2_pins, ARRAY_SIZE(cs47l35_aif2_pins) }, 32 { "aif3", cs47l35_aif3_pins, ARRAY_SIZE(cs47l35_aif3_pins) }, 33 { "mif1", cs47l35_mif1_pins, ARRAY_SIZE(cs47l35_mif1_pins) }, 34 { "pdmspk1", cs47l35_spk_pins, ARRAY_SIZE(cs47l35_spk_pins) }, 35 }; 36 37 const struct madera_pin_chip cs47l35_pin_chip = { 38 .n_pins = CS47L35_NUM_GPIOS, 39 .pin_groups = cs47l35_pin_groups, 40 .n_pin_groups = ARRAY_SIZE(cs47l35_pin_groups), 41 }; 42