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Commit b0bca3e4 authored by Richard Fitzgerald's avatar Richard Fitzgerald Committed by Linus Walleij
Browse files

pinctrl: madera: Add configuration for Cirrus Logic CS47L15 



This adds the pinctrl configuration for the CS47L15 codec to
the madera pinctrl driver.

Signed-off-by: default avatarRichard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20190722091015.20884-2-ckeepax@opensource.cirrus.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent f134b851

drivers/pinctrl/cirrus/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -15,6 +15,9 @@ config PINCTRL_MADERA 
	select PINMUX

	select GENERIC_PINCONF



config PINCTRL_CS47L15

	bool



config PINCTRL_CS47L35

	bool

drivers/pinctrl/cirrus/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -3,6 +3,9 @@ 
obj-$(CONFIG_PINCTRL_LOCHNAGAR)	+= pinctrl-lochnagar.o



pinctrl-madera-objs		:= pinctrl-madera-core.o

ifeq ($(CONFIG_PINCTRL_CS47L15),y)

pinctrl-madera-objs		+= pinctrl-cs47l15.o

endif

ifeq ($(CONFIG_PINCTRL_CS47L35),y)

pinctrl-madera-objs		+= pinctrl-cs47l35.o

endif

drivers/pinctrl/cirrus/pinctrl-cs47l15.c

0 → 100644
+40 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Pinctrl for Cirrus Logic CS47L15

 *

 * Copyright (C) 2018-2019 Cirrus Logic, Inc. and

 *                         Cirrus Logic International Semiconductor Ltd.

 */



#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 cs47l15_aif1_pins[] = { 0, 1, 2, 3 };

static const unsigned int cs47l15_aif2_pins[] = { 4, 5, 6, 7 };

static const unsigned int cs47l15_aif3_pins[] = { 8, 9, 10, 11 };

static const unsigned int cs47l15_spk1_pins[] = { 12, 13, 14 };



static const struct madera_pin_groups cs47l15_pin_groups[] = {

	{ "aif1", cs47l15_aif1_pins, ARRAY_SIZE(cs47l15_aif1_pins) },

	{ "aif2", cs47l15_aif2_pins, ARRAY_SIZE(cs47l15_aif2_pins) },

	{ "aif3", cs47l15_aif3_pins, ARRAY_SIZE(cs47l15_aif3_pins) },

	{ "pdmspk1", cs47l15_spk1_pins, ARRAY_SIZE(cs47l15_spk1_pins) },

};



const struct madera_pin_chip cs47l15_pin_chip = {

	.n_pins = CS47L15_NUM_GPIOS,

	.pin_groups = cs47l15_pin_groups,

	.n_pin_groups = ARRAY_SIZE(cs47l15_pin_groups),

};

drivers/pinctrl/cirrus/pinctrl-madera-core.c

+4 −0
Original line number Diff line number Diff line
@@ -1004,6 +1004,10 @@ static int madera_pin_probe(struct platform_device *pdev) 
	pdev->dev.of_node = madera->dev->of_node;



	switch (madera->type) {

	case CS47L15:

		if (IS_ENABLED(CONFIG_PINCTRL_CS47L15))

			priv->chip = &cs47l15_pin_chip;

		break;

	case CS47L35:

		if (IS_ENABLED(CONFIG_PINCTRL_CS47L35))

			priv->chip = &cs47l35_pin_chip;

drivers/pinctrl/cirrus/pinctrl-madera.h

+1 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ struct madera_pin_private { 
	struct pinctrl_dev *pctl;

};



extern const struct madera_pin_chip cs47l15_pin_chip;

extern const struct madera_pin_chip cs47l35_pin_chip;

extern const struct madera_pin_chip cs47l85_pin_chip;

extern const struct madera_pin_chip cs47l90_pin_chip;