diff options
Diffstat (limited to 'drivers/pinctrl/cirrus/pinctrl-cs47l35.c')
-rw-r--r-- | drivers/pinctrl/cirrus/pinctrl-cs47l35.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs47l35.c b/drivers/pinctrl/cirrus/pinctrl-cs47l35.c new file mode 100644 index 000000000..53a8eab19 --- /dev/null +++ b/drivers/pinctrl/cirrus/pinctrl-cs47l35.c @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Pinctrl for Cirrus Logic CS47L35 + * + * Copyright (C) 2016-2017 Cirrus Logic + */ + +#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 cs47l35_aif3_pins[] = { 0, 1, 2, 3 }; +static const unsigned int cs47l35_spk_pins[] = { 4, 5 }; +static const unsigned int cs47l35_aif1_pins[] = { 7, 8, 9, 10 }; +static const unsigned int cs47l35_aif2_pins[] = { 11, 12, 13, 14 }; +static const unsigned int cs47l35_mif1_pins[] = { 6, 15 }; + +static const struct madera_pin_groups cs47l35_pin_groups[] = { + { "aif1", cs47l35_aif1_pins, ARRAY_SIZE(cs47l35_aif1_pins) }, + { "aif2", cs47l35_aif2_pins, ARRAY_SIZE(cs47l35_aif2_pins) }, + { "aif3", cs47l35_aif3_pins, ARRAY_SIZE(cs47l35_aif3_pins) }, + { "mif1", cs47l35_mif1_pins, ARRAY_SIZE(cs47l35_mif1_pins) }, + { "pdmspk1", cs47l35_spk_pins, ARRAY_SIZE(cs47l35_spk_pins) }, +}; + +const struct madera_pin_chip cs47l35_pin_chip = { + .n_pins = CS47L35_NUM_GPIOS, + .pin_groups = cs47l35_pin_groups, + .n_pin_groups = ARRAY_SIZE(cs47l35_pin_groups), +}; |