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Commit a1db8da7 authored by Charles Keepax's avatar Charles Keepax Committed by Linus Walleij
Browse files

pinctrl: madera: Add configuration for Cirrus Logic CS47L92 



This adds the pinctrl configuration for the CS47L92 codec to
the madera pinctrl driver.

Signed-off-by: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20190722091015.20884-3-ckeepax@opensource.cirrus.com


Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent b0bca3e4

drivers/pinctrl/cirrus/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -26,3 +26,6 @@ config PINCTRL_CS47L85 


config PINCTRL_CS47L90

	bool



config PINCTRL_CS47L92

	bool

drivers/pinctrl/cirrus/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -15,5 +15,8 @@ endif 
ifeq ($(CONFIG_PINCTRL_CS47L90),y)

pinctrl-madera-objs		+= pinctrl-cs47l90.o

endif

ifeq ($(CONFIG_PINCTRL_CS47L92),y)

pinctrl-madera-objs		+= pinctrl-cs47l92.o

endif



obj-$(CONFIG_PINCTRL_MADERA)	+= pinctrl-madera.o

drivers/pinctrl/cirrus/pinctrl-cs47l92.c

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

/*

 * Pinctrl for Cirrus Logic CS47L92

 *

 * 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 cs47l92_spk1_pins[] = { 2, 3 };

static const unsigned int cs47l92_aif1_pins[] = { 4, 5, 6, 7 };

static const unsigned int cs47l92_aif2_pins[] = { 8, 9, 10, 11 };

static const unsigned int cs47l92_aif3_pins[] = { 12, 13, 14, 15 };



static const struct madera_pin_groups cs47l92_pin_groups[] = {

	{ "aif1", cs47l92_aif1_pins, ARRAY_SIZE(cs47l92_aif1_pins) },

	{ "aif2", cs47l92_aif2_pins, ARRAY_SIZE(cs47l92_aif2_pins) },

	{ "aif3", cs47l92_aif3_pins, ARRAY_SIZE(cs47l92_aif3_pins) },

	{ "pdmspk1", cs47l92_spk1_pins, ARRAY_SIZE(cs47l92_spk1_pins) },

};



const struct madera_pin_chip cs47l92_pin_chip = {

	.n_pins = CS47L92_NUM_GPIOS,

	.pin_groups = cs47l92_pin_groups,

	.n_pin_groups = ARRAY_SIZE(cs47l92_pin_groups),

};

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

+16 −0
Original line number Diff line number Diff line
@@ -396,6 +396,16 @@ static const struct { 
		.group_names = madera_pin_single_group_names,

		.func = 0x157

	},

	{

		.name = "aux-pdm-clk",

		.group_names = madera_pin_single_group_names,

		.func = 0x280

	},

	{

		.name = "aux-pdm-dat",

		.group_names = madera_pin_single_group_names,

		.func = 0x281

	},

};



static u16 madera_pin_make_drv_str(struct madera_pin_private *priv,
@@ -1022,6 +1032,12 @@ static int madera_pin_probe(struct platform_device *pdev) 
		if (IS_ENABLED(CONFIG_PINCTRL_CS47L90))

			priv->chip = &cs47l90_pin_chip;

		break;

	case CS42L92:

	case CS47L92:

	case CS47L93:

		if (IS_ENABLED(CONFIG_PINCTRL_CS47L92))

			priv->chip = &cs47l92_pin_chip;

		break;

	default:

		break;

	}

drivers/pinctrl/cirrus/pinctrl-madera.h

+1 −0
Original line number Diff line number Diff line
@@ -34,5 +34,6 @@ 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;

extern const struct madera_pin_chip cs47l92_pin_chip;



#endif