diff options
Diffstat (limited to 'drivers/pinctrl/cirrus/pinctrl-cs47l90.c')
| -rw-r--r-- | drivers/pinctrl/cirrus/pinctrl-cs47l90.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs47l90.c b/drivers/pinctrl/cirrus/pinctrl-cs47l90.c new file mode 100644 index 000000000..fc38f579f --- /dev/null +++ b/drivers/pinctrl/cirrus/pinctrl-cs47l90.c @@ -0,0 +1,57 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Pinctrl for Cirrus Logic CS47L90 + * + * Copyright (C) 2016-2017 Cirrus Logic + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by the + * Free Software Foundation; version 2. + */ + +#include <linux/err.h> +#include <linux/mfd/madera/core.h> + +#include "pinctrl-madera.h" + +/* + * The alt func groups are the most commonly used functions we place these at + * the lower function indexes for convenience, and the less commonly used gpio + * functions at higher indexes. + * + * To stay consistent with the datasheet the function names are the same as + * the group names for that function's pins + * + * Note - all 1 less than in datasheet because these are zero-indexed + */ +static const unsigned int cs47l90_mif1_pins[] = { 8, 9 }; +static const unsigned int cs47l90_mif2_pins[] = { 10, 11 }; +static const unsigned int cs47l90_mif3_pins[] = { 12, 13 }; +static const unsigned int cs47l90_aif1_pins[] = { 14, 15, 16, 17 }; +static const unsigned int cs47l90_aif2_pins[] = { 18, 19, 20, 21 }; +static const unsigned int cs47l90_aif3_pins[] = { 22, 23, 24, 25 }; +static const unsigned int cs47l90_aif4_pins[] = { 26, 27, 28, 29 }; +static const unsigned int cs47l90_dmic4_pins[] = { 30, 31 }; +static const unsigned int cs47l90_dmic5_pins[] = { 32, 33 }; +static const unsigned int cs47l90_dmic3_pins[] = { 34, 35 }; +static const unsigned int cs47l90_spk1_pins[] = { 36, 37 }; + +static const struct madera_pin_groups cs47l90_pin_groups[] = { + { "aif1", cs47l90_aif1_pins, ARRAY_SIZE(cs47l90_aif1_pins) }, + { "aif2", cs47l90_aif2_pins, ARRAY_SIZE(cs47l90_aif2_pins) }, + { "aif3", cs47l90_aif3_pins, ARRAY_SIZE(cs47l90_aif3_pins) }, + { "aif4", cs47l90_aif4_pins, ARRAY_SIZE(cs47l90_aif4_pins) }, + { "mif1", cs47l90_mif1_pins, ARRAY_SIZE(cs47l90_mif1_pins) }, + { "mif2", cs47l90_mif2_pins, ARRAY_SIZE(cs47l90_mif2_pins) }, + { "mif3", cs47l90_mif3_pins, ARRAY_SIZE(cs47l90_mif3_pins) }, + { "dmic3", cs47l90_dmic3_pins, ARRAY_SIZE(cs47l90_dmic3_pins) }, + { "dmic4", cs47l90_dmic4_pins, ARRAY_SIZE(cs47l90_dmic4_pins) }, + { "dmic5", cs47l90_dmic5_pins, ARRAY_SIZE(cs47l90_dmic5_pins) }, + { "pdmspk1", cs47l90_spk1_pins, ARRAY_SIZE(cs47l90_spk1_pins) }, +}; + +const struct madera_pin_chip cs47l90_pin_chip = { + .n_pins = CS47L90_NUM_GPIOS, + .pin_groups = cs47l90_pin_groups, + .n_pin_groups = ARRAY_SIZE(cs47l90_pin_groups), +}; |