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-rw-r--r--drivers/pinctrl/cirrus/Kconfig33
-rw-r--r--drivers/pinctrl/cirrus/Makefile22
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l15.c40
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l35.c41
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l85.c55
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l90.c53
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l92.c40
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-lochnagar.c1235
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-madera-core.c1105
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-madera.h39
10 files changed, 2663 insertions, 0 deletions
diff --git a/drivers/pinctrl/cirrus/Kconfig b/drivers/pinctrl/cirrus/Kconfig
new file mode 100644
index 000000000..b3cea8d56
--- /dev/null
+++ b/drivers/pinctrl/cirrus/Kconfig
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config PINCTRL_LOCHNAGAR
+ tristate "Cirrus Logic Lochnagar pinctrl driver"
+ # Avoid clash caused by MIPS defining RST, which is used in the driver
+ depends on MFD_LOCHNAGAR && !MIPS
+ select GPIOLIB
+ select PINMUX
+ select PINCONF
+ select GENERIC_PINCONF
+ help
+ This driver supports configuring the GPIO and other pin configuration
+ of the Cirrus Logic Lochnagar audio development board.
+
+# This is all selected by the Madera MFD driver Kconfig options
+config PINCTRL_MADERA
+ tristate
+ select PINMUX
+ select GENERIC_PINCONF
+
+config PINCTRL_CS47L15
+ bool
+
+config PINCTRL_CS47L35
+ bool
+
+config PINCTRL_CS47L85
+ bool
+
+config PINCTRL_CS47L90
+ bool
+
+config PINCTRL_CS47L92
+ bool
diff --git a/drivers/pinctrl/cirrus/Makefile b/drivers/pinctrl/cirrus/Makefile
new file mode 100644
index 000000000..a484518c8
--- /dev/null
+++ b/drivers/pinctrl/cirrus/Makefile
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Cirrus Logic pinctrl drivers
+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 ($(CONFIG_PINCTRL_CS47L35),y)
+pinctrl-madera-objs += pinctrl-cs47l35.o
+endif
+ifeq ($(CONFIG_PINCTRL_CS47L85),y)
+pinctrl-madera-objs += pinctrl-cs47l85.o
+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
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs47l15.c b/drivers/pinctrl/cirrus/pinctrl-cs47l15.c
new file mode 100644
index 000000000..a4bfec528
--- /dev/null
+++ b/drivers/pinctrl/cirrus/pinctrl-cs47l15.c
@@ -0,0 +1,40 @@
+// 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),
+};
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),
+};
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs47l85.c b/drivers/pinctrl/cirrus/pinctrl-cs47l85.c
new file mode 100644
index 000000000..e08c7992d
--- /dev/null
+++ b/drivers/pinctrl/cirrus/pinctrl-cs47l85.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Pinctrl for Cirrus Logic CS47L85
+ *
+ * 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 cs47l85_mif1_pins[] = { 8, 9 };
+static const unsigned int cs47l85_mif2_pins[] = { 10, 11 };
+static const unsigned int cs47l85_mif3_pins[] = { 12, 13 };
+static const unsigned int cs47l85_aif1_pins[] = { 14, 15, 16, 17 };
+static const unsigned int cs47l85_aif2_pins[] = { 18, 19, 20, 21 };
+static const unsigned int cs47l85_aif3_pins[] = { 22, 23, 24, 25 };
+static const unsigned int cs47l85_aif4_pins[] = { 26, 27, 28, 29 };
+static const unsigned int cs47l85_dmic4_pins[] = { 30, 31 };
+static const unsigned int cs47l85_dmic5_pins[] = { 32, 33 };
+static const unsigned int cs47l85_dmic6_pins[] = { 34, 35 };
+static const unsigned int cs47l85_spk1_pins[] = { 36, 38 };
+static const unsigned int cs47l85_spk2_pins[] = { 37, 39 };
+
+static const struct madera_pin_groups cs47l85_pin_groups[] = {
+ { "aif1", cs47l85_aif1_pins, ARRAY_SIZE(cs47l85_aif1_pins) },
+ { "aif2", cs47l85_aif2_pins, ARRAY_SIZE(cs47l85_aif2_pins) },
+ { "aif3", cs47l85_aif3_pins, ARRAY_SIZE(cs47l85_aif3_pins) },
+ { "aif4", cs47l85_aif4_pins, ARRAY_SIZE(cs47l85_aif4_pins) },
+ { "mif1", cs47l85_mif1_pins, ARRAY_SIZE(cs47l85_mif1_pins) },
+ { "mif2", cs47l85_mif2_pins, ARRAY_SIZE(cs47l85_mif2_pins) },
+ { "mif3", cs47l85_mif3_pins, ARRAY_SIZE(cs47l85_mif3_pins) },
+ { "dmic4", cs47l85_dmic4_pins, ARRAY_SIZE(cs47l85_dmic4_pins) },
+ { "dmic5", cs47l85_dmic5_pins, ARRAY_SIZE(cs47l85_dmic5_pins) },
+ { "dmic6", cs47l85_dmic6_pins, ARRAY_SIZE(cs47l85_dmic6_pins) },
+ { "pdmspk1", cs47l85_spk1_pins, ARRAY_SIZE(cs47l85_spk1_pins) },
+ { "pdmspk2", cs47l85_spk2_pins, ARRAY_SIZE(cs47l85_spk2_pins) },
+};
+
+const struct madera_pin_chip cs47l85_pin_chip = {
+ .n_pins = CS47L85_NUM_GPIOS,
+ .pin_groups = cs47l85_pin_groups,
+ .n_pin_groups = ARRAY_SIZE(cs47l85_pin_groups),
+};
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs47l90.c b/drivers/pinctrl/cirrus/pinctrl-cs47l90.c
new file mode 100644
index 000000000..3151f107a
--- /dev/null
+++ b/drivers/pinctrl/cirrus/pinctrl-cs47l90.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Pinctrl for Cirrus Logic CS47L90
+ *
+ * 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 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),
+};
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs47l92.c b/drivers/pinctrl/cirrus/pinctrl-cs47l92.c
new file mode 100644
index 000000000..4e4097343
--- /dev/null
+++ b/drivers/pinctrl/cirrus/pinctrl-cs47l92.c
@@ -0,0 +1,40 @@
+// 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),
+};
diff --git a/drivers/pinctrl/cirrus/pinctrl-lochnagar.c b/drivers/pinctrl/cirrus/pinctrl-lochnagar.c
new file mode 100644
index 000000000..670ac53a3
--- /dev/null
+++ b/drivers/pinctrl/cirrus/pinctrl-lochnagar.c
@@ -0,0 +1,1235 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Lochnagar pin and GPIO control
+ *
+ * Copyright (c) 2017-2018 Cirrus Logic, Inc. and
+ * Cirrus Logic International Semiconductor Ltd.
+ *
+ * Author: Charles Keepax <ckeepax@opensource.cirrus.com>
+ */
+
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/gpio/driver.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
+
+#include <linux/mfd/lochnagar.h>
+#include <linux/mfd/lochnagar1_regs.h>
+#include <linux/mfd/lochnagar2_regs.h>
+
+#include <dt-bindings/pinctrl/lochnagar.h>
+
+#include "../pinctrl-utils.h"
+
+#define LN2_NUM_GPIO_CHANNELS 16
+
+#define LN_CDC_AIF1_STR "codec-aif1"
+#define LN_CDC_AIF2_STR "codec-aif2"
+#define LN_CDC_AIF3_STR "codec-aif3"
+#define LN_DSP_AIF1_STR "dsp-aif1"
+#define LN_DSP_AIF2_STR "dsp-aif2"
+#define LN_PSIA1_STR "psia1"
+#define LN_PSIA2_STR "psia2"
+#define LN_GF_AIF1_STR "gf-aif1"
+#define LN_GF_AIF2_STR "gf-aif2"
+#define LN_GF_AIF3_STR "gf-aif3"
+#define LN_GF_AIF4_STR "gf-aif4"
+#define LN_SPDIF_AIF_STR "spdif-aif"
+#define LN_USB_AIF1_STR "usb-aif1"
+#define LN_USB_AIF2_STR "usb-aif2"
+#define LN_ADAT_AIF_STR "adat-aif"
+#define LN_SOUNDCARD_AIF_STR "soundcard-aif"
+
+#define LN_PIN_GPIO(REV, ID, NAME, REG, SHIFT, INVERT) \
+static const struct lochnagar_pin lochnagar##REV##_##ID##_pin = { \
+ .name = NAME, .type = LN_PTYPE_GPIO, .reg = LOCHNAGAR##REV##_##REG, \
+ .shift = LOCHNAGAR##REV##_##SHIFT##_SHIFT, .invert = INVERT, \
+}
+
+#define LN_PIN_SAIF(REV, ID, NAME) \
+static const struct lochnagar_pin lochnagar##REV##_##ID##_pin = \
+ { .name = NAME, .type = LN_PTYPE_AIF, }
+
+#define LN_PIN_AIF(REV, ID) \
+ LN_PIN_SAIF(REV, ID##_BCLK, LN_##ID##_STR"-bclk"); \
+ LN_PIN_SAIF(REV, ID##_LRCLK, LN_##ID##_STR"-lrclk"); \
+ LN_PIN_SAIF(REV, ID##_RXDAT, LN_##ID##_STR"-rxdat"); \
+ LN_PIN_SAIF(REV, ID##_TXDAT, LN_##ID##_STR"-txdat")
+
+#define LN1_PIN_GPIO(ID, NAME, REG, SHIFT, INVERT) \
+ LN_PIN_GPIO(1, ID, NAME, REG, SHIFT, INVERT)
+
+#define LN1_PIN_MUX(ID, NAME) \
+static const struct lochnagar_pin lochnagar1_##ID##_pin = \
+ { .name = NAME, .type = LN_PTYPE_MUX, .reg = LOCHNAGAR1_##ID, }
+
+#define LN1_PIN_AIF(ID) LN_PIN_AIF(1, ID)
+
+#define LN2_PIN_GPIO(ID, NAME, REG, SHIFT, INVERT) \
+ LN_PIN_GPIO(2, ID, NAME, REG, SHIFT, INVERT)
+
+#define LN2_PIN_MUX(ID, NAME) \
+static const struct lochnagar_pin lochnagar2_##ID##_pin = \
+ { .name = NAME, .type = LN_PTYPE_MUX, .reg = LOCHNAGAR2_GPIO_##ID, }
+
+#define LN2_PIN_AIF(ID) LN_PIN_AIF(2, ID)
+
+#define LN2_PIN_GAI(ID) \
+ LN2_PIN_MUX(ID##_BCLK, LN_##ID##_STR"-bclk"); \
+ LN2_PIN_MUX(ID##_LRCLK, LN_##ID##_STR"-lrclk"); \
+ LN2_PIN_MUX(ID##_RXDAT, LN_##ID##_STR"-rxdat"); \
+ LN2_PIN_MUX(ID##_TXDAT, LN_##ID##_STR"-txdat")
+
+#define LN_PIN(REV, ID) [LOCHNAGAR##REV##_PIN_##ID] = { \
+ .number = LOCHNAGAR##REV##_PIN_##ID, \
+ .name = lochnagar##REV##_##ID##_pin.name, \
+ .drv_data = (void *)&lochnagar##REV##_##ID##_pin, \
+}
+
+#define LN1_PIN(ID) LN_PIN(1, ID)
+#define LN2_PIN(ID) LN_PIN(2, ID)
+
+#define LN_PINS(REV, ID) \
+ LN_PIN(REV, ID##_BCLK), LN_PIN(REV, ID##_LRCLK), \
+ LN_PIN(REV, ID##_RXDAT), LN_PIN(REV, ID##_TXDAT)
+
+#define LN1_PINS(ID) LN_PINS(1, ID)
+#define LN2_PINS(ID) LN_PINS(2, ID)
+
+enum {
+ LOCHNAGAR1_PIN_GF_GPIO2 = LOCHNAGAR1_PIN_NUM_GPIOS,
+ LOCHNAGAR1_PIN_GF_GPIO3,
+ LOCHNAGAR1_PIN_GF_GPIO7,
+ LOCHNAGAR1_PIN_LED1,
+ LOCHNAGAR1_PIN_LED2,
+ LOCHNAGAR1_PIN_CDC_AIF1_BCLK,
+ LOCHNAGAR1_PIN_CDC_AIF1_LRCLK,
+ LOCHNAGAR1_PIN_CDC_AIF1_RXDAT,
+ LOCHNAGAR1_PIN_CDC_AIF1_TXDAT,
+ LOCHNAGAR1_PIN_CDC_AIF2_BCLK,
+ LOCHNAGAR1_PIN_CDC_AIF2_LRCLK,
+ LOCHNAGAR1_PIN_CDC_AIF2_RXDAT,
+ LOCHNAGAR1_PIN_CDC_AIF2_TXDAT,
+ LOCHNAGAR1_PIN_CDC_AIF3_BCLK,
+ LOCHNAGAR1_PIN_CDC_AIF3_LRCLK,
+ LOCHNAGAR1_PIN_CDC_AIF3_RXDAT,
+ LOCHNAGAR1_PIN_CDC_AIF3_TXDAT,
+ LOCHNAGAR1_PIN_DSP_AIF1_BCLK,
+ LOCHNAGAR1_PIN_DSP_AIF1_LRCLK,
+ LOCHNAGAR1_PIN_DSP_AIF1_RXDAT,
+ LOCHNAGAR1_PIN_DSP_AIF1_TXDAT,
+ LOCHNAGAR1_PIN_DSP_AIF2_BCLK,
+ LOCHNAGAR1_PIN_DSP_AIF2_LRCLK,
+ LOCHNAGAR1_PIN_DSP_AIF2_RXDAT,
+ LOCHNAGAR1_PIN_DSP_AIF2_TXDAT,
+ LOCHNAGAR1_PIN_PSIA1_BCLK,
+ LOCHNAGAR1_PIN_PSIA1_LRCLK,
+ LOCHNAGAR1_PIN_PSIA1_RXDAT,
+ LOCHNAGAR1_PIN_PSIA1_TXDAT,
+ LOCHNAGAR1_PIN_PSIA2_BCLK,
+ LOCHNAGAR1_PIN_PSIA2_LRCLK,
+ LOCHNAGAR1_PIN_PSIA2_RXDAT,
+ LOCHNAGAR1_PIN_PSIA2_TXDAT,
+ LOCHNAGAR1_PIN_SPDIF_AIF_BCLK,
+ LOCHNAGAR1_PIN_SPDIF_AIF_LRCLK,
+ LOCHNAGAR1_PIN_SPDIF_AIF_RXDAT,
+ LOCHNAGAR1_PIN_SPDIF_AIF_TXDAT,
+ LOCHNAGAR1_PIN_GF_AIF3_BCLK,
+ LOCHNAGAR1_PIN_GF_AIF3_RXDAT,
+ LOCHNAGAR1_PIN_GF_AIF3_LRCLK,
+ LOCHNAGAR1_PIN_GF_AIF3_TXDAT,
+ LOCHNAGAR1_PIN_GF_AIF4_BCLK,
+ LOCHNAGAR1_PIN_GF_AIF4_RXDAT,
+ LOCHNAGAR1_PIN_GF_AIF4_LRCLK,
+ LOCHNAGAR1_PIN_GF_AIF4_TXDAT,
+ LOCHNAGAR1_PIN_GF_AIF1_BCLK,
+ LOCHNAGAR1_PIN_GF_AIF1_RXDAT,
+ LOCHNAGAR1_PIN_GF_AIF1_LRCLK,
+ LOCHNAGAR1_PIN_GF_AIF1_TXDAT,
+ LOCHNAGAR1_PIN_GF_AIF2_BCLK,
+ LOCHNAGAR1_PIN_GF_AIF2_RXDAT,
+ LOCHNAGAR1_PIN_GF_AIF2_LRCLK,
+ LOCHNAGAR1_PIN_GF_AIF2_TXDAT,
+
+ LOCHNAGAR2_PIN_SPDIF_AIF_BCLK = LOCHNAGAR2_PIN_NUM_GPIOS,
+ LOCHNAGAR2_PIN_SPDIF_AIF_LRCLK,
+ LOCHNAGAR2_PIN_SPDIF_AIF_RXDAT,
+ LOCHNAGAR2_PIN_SPDIF_AIF_TXDAT,
+ LOCHNAGAR2_PIN_USB_AIF1_BCLK,
+ LOCHNAGAR2_PIN_USB_AIF1_LRCLK,
+ LOCHNAGAR2_PIN_USB_AIF1_RXDAT,
+ LOCHNAGAR2_PIN_USB_AIF1_TXDAT,
+ LOCHNAGAR2_PIN_USB_AIF2_BCLK,
+ LOCHNAGAR2_PIN_USB_AIF2_LRCLK,
+ LOCHNAGAR2_PIN_USB_AIF2_RXDAT,
+ LOCHNAGAR2_PIN_USB_AIF2_TXDAT,
+ LOCHNAGAR2_PIN_ADAT_AIF_BCLK,
+ LOCHNAGAR2_PIN_ADAT_AIF_LRCLK,
+ LOCHNAGAR2_PIN_ADAT_AIF_RXDAT,
+ LOCHNAGAR2_PIN_ADAT_AIF_TXDAT,
+ LOCHNAGAR2_PIN_SOUNDCARD_AIF_BCLK,
+ LOCHNAGAR2_PIN_SOUNDCARD_AIF_LRCLK,
+ LOCHNAGAR2_PIN_SOUNDCARD_AIF_RXDAT,
+ LOCHNAGAR2_PIN_SOUNDCARD_AIF_TXDAT,
+};
+
+enum lochnagar_pin_type {
+ LN_PTYPE_GPIO,
+ LN_PTYPE_MUX,
+ LN_PTYPE_AIF,
+ LN_PTYPE_COUNT,
+};
+
+struct lochnagar_pin {
+ const char name[20];
+
+ enum lochnagar_pin_type type;
+
+ unsigned int reg;
+ int shift;
+ bool invert;
+};
+
+LN1_PIN_GPIO(CDC_RESET, "codec-reset", RST, CDC_RESET, 1);
+LN1_PIN_GPIO(DSP_RESET, "dsp-reset", RST, DSP_RESET, 1);
+LN1_PIN_GPIO(CDC_CIF1MODE, "codec-cif1mode", I2C_CTRL, CDC_CIF_MODE, 0);
+LN1_PIN_MUX(GF_GPIO2, "gf-gpio2");
+LN1_PIN_MUX(GF_GPIO3, "gf-gpio3");
+LN1_PIN_MUX(GF_GPIO7, "gf-gpio7");
+LN1_PIN_MUX(LED1, "led1");
+LN1_PIN_MUX(LED2, "led2");
+LN1_PIN_AIF(CDC_AIF1);
+LN1_PIN_AIF(CDC_AIF2);
+LN1_PIN_AIF(CDC_AIF3);
+LN1_PIN_AIF(DSP_AIF1);
+LN1_PIN_AIF(DSP_AIF2);
+LN1_PIN_AIF(PSIA1);
+LN1_PIN_AIF(PSIA2);
+LN1_PIN_AIF(SPDIF_AIF);
+LN1_PIN_AIF(GF_AIF1);
+LN1_PIN_AIF(GF_AIF2);
+LN1_PIN_AIF(GF_AIF3);
+LN1_PIN_AIF(GF_AIF4);
+
+LN2_PIN_GPIO(CDC_RESET, "codec-reset", MINICARD_RESETS, CDC_RESET, 1);
+LN2_PIN_GPIO(DSP_RESET, "dsp-reset", MINICARD_RESETS, DSP_RESET, 1);
+LN2_PIN_GPIO(CDC_CIF1MODE, "codec-cif1mode", COMMS_CTRL4, CDC_CIF1MODE, 0);
+LN2_PIN_GPIO(CDC_LDOENA, "codec-ldoena", POWER_CTRL, PWR_ENA, 0);
+LN2_PIN_GPIO(SPDIF_HWMODE, "spdif-hwmode", SPDIF_CTRL, SPDIF_HWMODE, 0);
+LN2_PIN_GPIO(SPDIF_RESET, "spdif-reset", SPDIF_CTRL, SPDIF_RESET, 1);
+LN2_PIN_MUX(FPGA_GPIO1, "fpga-gpio1");
+LN2_PIN_MUX(FPGA_GPIO2, "fpga-gpio2");
+LN2_PIN_MUX(FPGA_GPIO3, "fpga-gpio3");
+LN2_PIN_MUX(FPGA_GPIO4, "fpga-gpio4");
+LN2_PIN_MUX(FPGA_GPIO5, "fpga-gpio5");
+LN2_PIN_MUX(FPGA_GPIO6, "fpga-gpio6");
+LN2_PIN_MUX(CDC_GPIO1, "codec-gpio1");
+LN2_PIN_MUX(CDC_GPIO2, "codec-gpio2");
+LN2_PIN_MUX(CDC_GPIO3, "codec-gpio3");
+LN2_PIN_MUX(CDC_GPIO4, "codec-gpio4");
+LN2_PIN_MUX(CDC_GPIO5, "codec-gpio5");
+LN2_PIN_MUX(CDC_GPIO6, "codec-gpio6");
+LN2_PIN_MUX(CDC_GPIO7, "codec-gpio7");
+LN2_PIN_MUX(CDC_GPIO8, "codec-gpio8");
+LN2_PIN_MUX(DSP_GPIO1, "dsp-gpio1");
+LN2_PIN_MUX(DSP_GPIO2, "dsp-gpio2");
+LN2_PIN_MUX(DSP_GPIO3, "dsp-gpio3");
+LN2_PIN_MUX(DSP_GPIO4, "dsp-gpio4");
+LN2_PIN_MUX(DSP_GPIO5, "dsp-gpio5");
+LN2_PIN_MUX(DSP_GPIO6, "dsp-gpio6");
+LN2_PIN_MUX(GF_GPIO2, "gf-gpio2");
+LN2_PIN_MUX(GF_GPIO3, "gf-gpio3");
+LN2_PIN_MUX(GF_GPIO7, "gf-gpio7");
+LN2_PIN_MUX(DSP_UART1_RX, "dsp-uart1-rx");
+LN2_PIN_MUX(DSP_UART1_TX, "dsp-uart1-tx");
+LN2_PIN_MUX(DSP_UART2_RX, "dsp-uart2-rx");
+LN2_PIN_MUX(DSP_UART2_TX, "dsp-uart2-tx");
+LN2_PIN_MUX(GF_UART2_RX, "gf-uart2-rx");
+LN2_PIN_MUX(GF_UART2_TX, "gf-uart2-tx");
+LN2_PIN_MUX(USB_UART_RX, "usb-uart-rx");
+LN2_PIN_MUX(CDC_PDMCLK1, "codec-pdmclk1");
+LN2_PIN_MUX(CDC_PDMDAT1, "codec-pdmdat1");
+LN2_PIN_MUX(CDC_PDMCLK2, "codec-pdmclk2");
+LN2_PIN_MUX(CDC_PDMDAT2, "codec-pdmdat2");
+LN2_PIN_MUX(CDC_DMICCLK1, "codec-dmicclk1");
+LN2_PIN_MUX(CDC_DMICDAT1, "codec-dmicdat1");
+LN2_PIN_MUX(CDC_DMICCLK2, "codec-dmicclk2");
+LN2_PIN_MUX(CDC_DMICDAT2, "codec-dmicdat2");
+LN2_PIN_MUX(CDC_DMICCLK3, "codec-dmicclk3");
+LN2_PIN_MUX(CDC_DMICDAT3, "codec-dmicdat3");
+LN2_PIN_MUX(CDC_DMICCLK4, "codec-dmicclk4");
+LN2_PIN_MUX(CDC_DMICDAT4, "codec-dmicdat4");
+LN2_PIN_MUX(DSP_DMICCLK1, "dsp-dmicclk1");
+LN2_PIN_MUX(DSP_DMICDAT1, "dsp-dmicdat1");
+LN2_PIN_MUX(DSP_DMICCLK2, "dsp-dmicclk2");
+LN2_PIN_MUX(DSP_DMICDAT2, "dsp-dmicdat2");
+LN2_PIN_MUX(I2C2_SCL, "i2c2-scl");
+LN2_PIN_MUX(I2C2_SDA, "i2c2-sda");
+LN2_PIN_MUX(I2C3_SCL, "i2c3-scl");
+LN2_PIN_MUX(I2C3_SDA, "i2c3-sda");
+LN2_PIN_MUX(I2C4_SCL, "i2c4-scl");
+LN2_PIN_MUX(I2C4_SDA, "i2c4-sda");
+LN2_PIN_MUX(DSP_STANDBY, "dsp-standby");
+LN2_PIN_MUX(CDC_MCLK1, "codec-mclk1");
+LN2_PIN_MUX(CDC_MCLK2, "codec-mclk2");
+LN2_PIN_MUX(DSP_CLKIN, "dsp-clkin");
+LN2_PIN_MUX(PSIA1_MCLK, "psia1-mclk");
+LN2_PIN_MUX(PSIA2_MCLK, "psia2-mclk");
+LN2_PIN_MUX(GF_GPIO1, "gf-gpio1");
+LN2_PIN_MUX(GF_GPIO5, "gf-gpio5");
+LN2_PIN_MUX(DSP_GPIO20, "dsp-gpio20");
+LN2_PIN_GAI(CDC_AIF1);
+LN2_PIN_GAI(CDC_AIF2);
+LN2_PIN_GAI(CDC_AIF3);
+LN2_PIN_GAI(DSP_AIF1);
+LN2_PIN_GAI(DSP_AIF2);
+LN2_PIN_GAI(PSIA1);
+LN2_PIN_GAI(PSIA2);
+LN2_PIN_GAI(GF_AIF1);
+LN2_PIN_GAI(GF_AIF2);
+LN2_PIN_GAI(GF_AIF3);
+LN2_PIN_GAI(GF_AIF4);
+LN2_PIN_AIF(SPDIF_AIF);
+LN2_PIN_AIF(USB_AIF1);
+LN2_PIN_AIF(USB_AIF2);
+LN2_PIN_AIF(ADAT_AIF);
+LN2_PIN_AIF(SOUNDCARD_AIF);
+
+static const struct pinctrl_pin_desc lochnagar1_pins[] = {
+ LN1_PIN(CDC_RESET), LN1_PIN(DSP_RESET), LN1_PIN(CDC_CIF1MODE),
+ LN1_PIN(GF_GPIO2), LN1_PIN(GF_GPIO3), LN1_PIN(GF_GPIO7),
+ LN1_PIN(LED1), LN1_PIN(LED2),
+ LN1_PINS(CDC_AIF1), LN1_PINS(CDC_AIF2), LN1_PINS(CDC_AIF3),
+ LN1_PINS(DSP_AIF1), LN1_PINS(DSP_AIF2),
+ LN1_PINS(PSIA1), LN1_PINS(PSIA2),
+ LN1_PINS(SPDIF_AIF),
+ LN1_PINS(GF_AIF1), LN1_PINS(GF_AIF2),
+ LN1_PINS(GF_AIF3), LN1_PINS(GF_AIF4),
+};
+
+static const struct pinctrl_pin_desc lochnagar2_pins[] = {
+ LN2_PIN(CDC_RESET), LN2_PIN(DSP_RESET), LN2_PIN(CDC_CIF1MODE),
+ LN2_PIN(CDC_LDOENA),
+ LN2_PIN(SPDIF_HWMODE), LN2_PIN(SPDIF_RESET),
+ LN2_PIN(FPGA_GPIO1), LN2_PIN(FPGA_GPIO2), LN2_PIN(FPGA_GPIO3),
+ LN2_PIN(FPGA_GPIO4), LN2_PIN(FPGA_GPIO5), LN2_PIN(FPGA_GPIO6),
+ LN2_PIN(CDC_GPIO1), LN2_PIN(CDC_GPIO2), LN2_PIN(CDC_GPIO3),
+ LN2_PIN(CDC_GPIO4), LN2_PIN(CDC_GPIO5), LN2_PIN(CDC_GPIO6),
+ LN2_PIN(CDC_GPIO7), LN2_PIN(CDC_GPIO8),
+ LN2_PIN(DSP_GPIO1), LN2_PIN(DSP_GPIO2), LN2_PIN(DSP_GPIO3),
+ LN2_PIN(DSP_GPIO4), LN2_PIN(DSP_GPIO5), LN2_PIN(DSP_GPIO6),
+ LN2_PIN(DSP_GPIO20),
+ LN2_PIN(GF_GPIO1), LN2_PIN(GF_GPIO2), LN2_PIN(GF_GPIO3),
+ LN2_PIN(GF_GPIO5), LN2_PIN(GF_GPIO7),
+ LN2_PINS(CDC_AIF1), LN2_PINS(CDC_AIF2), LN2_PINS(CDC_AIF3),
+ LN2_PINS(DSP_AIF1), LN2_PINS(DSP_AIF2),
+ LN2_PINS(PSIA1), LN2_PINS(PSIA2),
+ LN2_PINS(GF_AIF1), LN2_PINS(GF_AIF2),
+ LN2_PINS(GF_AIF3), LN2_PINS(GF_AIF4),
+ LN2_PIN(DSP_UART1_RX), LN2_PIN(DSP_UART1_TX),
+ LN2_PIN(DSP_UART2_RX), LN2_PIN(DSP_UART2_TX),
+ LN2_PIN(GF_UART2_RX), LN2_PIN(GF_UART2_TX),
+ LN2_PIN(USB_UART_RX),
+ LN2_PIN(CDC_PDMCLK1), LN2_PIN(CDC_PDMDAT1),
+ LN2_PIN(CDC_PDMCLK2), LN2_PIN(CDC_PDMDAT2),
+ LN2_PIN(CDC_DMICCLK1), LN2_PIN(CDC_DMICDAT1),
+ LN2_PIN(CDC_DMICCLK2), LN2_PIN(CDC_DMICDAT2),
+ LN2_PIN(CDC_DMICCLK3), LN2_PIN(CDC_DMICDAT3),
+ LN2_PIN(CDC_DMICCLK4), LN2_PIN(CDC_DMICDAT4),
+ LN2_PIN(DSP_DMICCLK1), LN2_PIN(DSP_DMICDAT1),
+ LN2_PIN(DSP_DMICCLK2), LN2_PIN(DSP_DMICDAT2),
+ LN2_PIN(I2C2_SCL), LN2_PIN(I2C2_SDA),
+ LN2_PIN(I2C3_SCL), LN2_PIN(I2C3_SDA),
+ LN2_PIN(I2C4_SCL), LN2_PIN(I2C4_SDA),
+ LN2_PIN(DSP_STANDBY),
+ LN2_PIN(CDC_MCLK1), LN2_PIN(CDC_MCLK2),
+ LN2_PIN(DSP_CLKIN),
+ LN2_PIN(PSIA1_MCLK), LN2_PIN(PSIA2_MCLK),
+ LN2_PINS(SPDIF_AIF),
+ LN2_PINS(USB_AIF1), LN2_PINS(USB_AIF2),
+ LN2_PINS(ADAT_AIF),
+ LN2_PINS(SOUNDCARD_AIF),
+};
+
+#define LN_AIF_PINS(REV, ID) \
+ LOCHNAGAR##REV##_PIN_##ID##_BCLK, \
+ LOCHNAGAR##REV##_PIN_##ID##_LRCLK, \
+ LOCHNAGAR##REV##_PIN_##ID##_TXDAT, \
+ LOCHNAGAR##REV##_PIN_##ID##_RXDAT,
+
+#define LN1_AIF(ID, CTRL) \
+static const struct lochnagar_aif lochnagar1_##ID##_aif = { \
+ .name = LN_##ID##_STR, \
+ .pins = { LN_AIF_PINS(1, ID) }, \
+ .src_reg = LOCHNAGAR1_##ID##_SEL, \
+ .src_mask = LOCHNAGAR1_SRC_MASK, \
+ .ctrl_reg = LOCHNAGAR1_##CTRL, \
+ .ena_mask = LOCHNAGAR1_##ID##_ENA_MASK, \
+ .master_mask = LOCHNAGAR1_##ID##_LRCLK_DIR_MASK | \
+ LOCHNAGAR1_##ID##_BCLK_DIR_MASK, \
+}
+
+#define LN2_AIF(ID) \
+static const struct lochnagar_aif lochnagar2_##ID##_aif = { \
+ .name = LN_##ID##_STR, \
+ .pins = { LN_AIF_PINS(2, ID) }, \
+ .src_reg = LOCHNAGAR2_##ID##_CTRL, \
+ .src_mask = LOCHNAGAR2_AIF_SRC_MASK, \
+ .ctrl_reg = LOCHNAGAR2_##ID##_CTRL, \
+ .ena_mask = LOCHNAGAR2_AIF_ENA_MASK, \
+ .master_mask = LOCHNAGAR2_AIF_LRCLK_DIR_MASK | \
+ LOCHNAGAR2_AIF_BCLK_DIR_MASK, \
+}
+
+struct lochnagar_aif {
+ const char name[16];
+
+ unsigned int pins[4];
+
+ u16 src_reg;
+ u16 src_mask;
+
+ u16 ctrl_reg;
+ u16 ena_mask;
+ u16 master_mask;
+};
+
+LN1_AIF(CDC_AIF1, CDC_AIF_CTRL1);
+LN1_AIF(CDC_AIF2, CDC_AIF_CTRL1);
+LN1_AIF(CDC_AIF3, CDC_AIF_CTRL2);
+LN1_AIF(DSP_AIF1, DSP_AIF);
+LN1_AIF(DSP_AIF2, DSP_AIF);
+LN1_AIF(PSIA1, PSIA_AIF);
+LN1_AIF(PSIA2, PSIA_AIF);
+LN1_AIF(GF_AIF1, GF_AIF1);
+LN1_AIF(GF_AIF2, GF_AIF2);
+LN1_AIF(GF_AIF3, GF_AIF1);
+LN1_AIF(GF_AIF4, GF_AIF2);
+LN1_AIF(SPDIF_AIF, EXT_AIF_CTRL);
+
+LN2_AIF(CDC_AIF1);
+LN2_AIF(CDC_AIF2);
+LN2_AIF(CDC_AIF3);
+LN2_AIF(DSP_AIF1);
+LN2_AIF(DSP_AIF2);
+LN2_AIF(PSIA1);
+LN2_AIF(PSIA2);
+LN2_AIF(GF_AIF1);
+LN2_AIF(GF_AIF2);
+LN2_AIF(GF_AIF3);
+LN2_AIF(GF_AIF4);
+LN2_AIF(SPDIF_AIF);
+LN2_AIF(USB_AIF1);
+LN2_AIF(USB_AIF2);
+LN2_AIF(ADAT_AIF);
+LN2_AIF(SOUNDCARD_AIF);
+
+#define LN2_OP_AIF 0x00
+#define LN2_OP_GPIO 0xFE
+
+#define LN_FUNC(NAME, TYPE, OP) \
+ { .name = NAME, .type = LN_FTYPE_##TYPE, .op = OP }
+
+#define LN_FUNC_PIN(REV, ID, OP) \
+ LN_FUNC(lochnagar##REV##_##ID##_pin.name, PIN, OP)
+
+#define LN1_FUNC_PIN(ID, OP) LN_FUNC_PIN(1, ID, OP)
+#define LN2_FUNC_PIN(ID, OP) LN_FUNC_PIN(2, ID, OP)
+
+#define LN_FUNC_AIF(REV, ID, OP) \
+ LN_FUNC(lochnagar##REV##_##ID##_aif.name, AIF, OP)
+
+#define LN1_FUNC_AIF(ID, OP) LN_FUNC_AIF(1, ID, OP)
+#define LN2_FUNC_AIF(ID, OP) LN_FUNC_AIF(2, ID, OP)
+
+#define LN2_FUNC_GAI(ID, OP, BOP, LROP, RXOP, TXOP) \
+ LN2_FUNC_AIF(ID, OP), \
+ LN_FUNC(lochnagar2_##ID##_BCLK_pin.name, PIN, BOP), \
+ LN_FUNC(lochnagar2_##ID##_LRCLK_pin.name, PIN, LROP), \
+ LN_FUNC(lochnagar2_##ID##_RXDAT_pin.name, PIN, RXOP), \
+ LN_FUNC(lochnagar2_##ID##_TXDAT_pin.name, PIN, TXOP)
+
+enum lochnagar_func_type {
+ LN_FTYPE_PIN,
+ LN_FTYPE_AIF,
+ LN_FTYPE_COUNT,
+};
+
+struct lochnagar_func {
+ const char * const name;
+
+ enum lochnagar_func_type type;
+
+ u8 op;
+};
+
+static const struct lochnagar_func lochnagar1_funcs[] = {
+ LN_FUNC("dsp-gpio1", PIN, 0x01),
+ LN_FUNC("dsp-gpio2", PIN, 0x02),
+ LN_FUNC("dsp-gpio3", PIN, 0x03),
+ LN_FUNC("codec-gpio1", PIN, 0x04),
+ LN_FUNC("codec-gpio2", PIN, 0x05),
+ LN_FUNC("codec-gpio3", PIN, 0x06),
+ LN_FUNC("codec-gpio4", PIN, 0x07),
+ LN_FUNC("codec-gpio5", PIN, 0x08),
+ LN_FUNC("codec-gpio6", PIN, 0x09),
+ LN_FUNC("codec-gpio7", PIN, 0x0A),
+ LN_FUNC("codec-gpio8", PIN, 0x0B),
+ LN1_FUNC_PIN(GF_GPIO2, 0x0C),
+ LN1_FUNC_PIN(GF_GPIO3, 0x0D),
+ LN1_FUNC_PIN(GF_GPIO7, 0x0E),
+
+ LN1_FUNC_AIF(SPDIF_AIF, 0x01),
+ LN1_FUNC_AIF(PSIA1, 0x02),
+ LN1_FUNC_AIF(PSIA2, 0x03),
+ LN1_FUNC_AIF(CDC_AIF1, 0x04),
+ LN1_FUNC_AIF(CDC_AIF2, 0x05),
+ LN1_FUNC_AIF(CDC_AIF3, 0x06),
+ LN1_FUNC_AIF(DSP_AIF1, 0x07),
+ LN1_FUNC_AIF(DSP_AIF2, 0x08),
+ LN1_FUNC_AIF(GF_AIF3, 0x09),
+ LN1_FUNC_AIF(GF_AIF4, 0x0A),
+ LN1_FUNC_AIF(GF_AIF1, 0x0B),
+ LN1_FUNC_AIF(GF_AIF2, 0x0C),
+};
+
+static const struct lochnagar_func lochnagar2_funcs[] = {
+ LN_FUNC("aif", PIN, LN2_OP_AIF),
+ LN2_FUNC_PIN(FPGA_GPIO1, 0x01),
+ LN2_FUNC_PIN(FPGA_GPIO2, 0x02),
+ LN2_FUNC_PIN(FPGA_GPIO3, 0x03),
+ LN2_FUNC_PIN(FPGA_GPIO4, 0x04),
+ LN2_FUNC_PIN(FPGA_GPIO5, 0x05),
+ LN2_FUNC_PIN(FPGA_GPIO6, 0x06),
+ LN2_FUNC_PIN(CDC_GPIO1, 0x07),
+ LN2_FUNC_PIN(CDC_GPIO2, 0x08),
+ LN2_FUNC_PIN(CDC_GPIO3, 0x09),
+ LN2_FUNC_PIN(CDC_GPIO4, 0x0A),
+ LN2_FUNC_PIN(CDC_GPIO5, 0x0B),
+ LN2_FUNC_PIN(CDC_GPIO6, 0x0C),
+ LN2_FUNC_PIN(CDC_GPIO7, 0x0D),
+ LN2_FUNC_PIN(CDC_GPIO8, 0x0E),
+ LN2_FUNC_PIN(DSP_GPIO1, 0x0F),
+ LN2_FUNC_PIN(DSP_GPIO2, 0x10),
+ LN2_FUNC_PIN(DSP_GPIO3, 0x11),
+ LN2_FUNC_PIN(DSP_GPIO4, 0x12),
+ LN2_FUNC_PIN(DSP_GPIO5, 0x13),
+ LN2_FUNC_PIN(DSP_GPIO6, 0x14),
+ LN2_FUNC_PIN(GF_GPIO2, 0x15),
+ LN2_FUNC_PIN(GF_GPIO3, 0x16),
+ LN2_FUNC_PIN(GF_GPIO7, 0x17),
+ LN2_FUNC_PIN(GF_GPIO1, 0x18),
+ LN2_FUNC_PIN(GF_GPIO5, 0x19),
+ LN2_FUNC_PIN(DSP_GPIO20, 0x1A),
+ LN_FUNC("codec-clkout", PIN, 0x20),
+ LN_FUNC("dsp-clkout", PIN, 0x21),
+ LN_FUNC("pmic-32k", PIN, 0x22),
+ LN_FUNC("spdif-clkout", PIN, 0x23),
+ LN_FUNC("clk-12m288", PIN, 0x24),
+ LN_FUNC("clk-11m2986", PIN, 0x25),
+ LN_FUNC("clk-24m576", PIN, 0x26),
+ LN_FUNC("clk-22m5792", PIN, 0x27),
+ LN_FUNC("xmos-mclk", PIN, 0x29),
+ LN_FUNC("gf-clkout1", PIN, 0x2A),
+ LN_FUNC("gf-mclk1", PIN, 0x2B),
+ LN_FUNC("gf-mclk3", PIN, 0x2C),
+ LN_FUNC("gf-mclk2", PIN, 0x2D),
+ LN_FUNC("gf-clkout2", PIN, 0x2E),
+ LN2_FUNC_PIN(CDC_MCLK1, 0x2F),
+ LN2_FUNC_PIN(CDC_MCLK2, 0x30),
+ LN2_FUNC_PIN(DSP_CLKIN, 0x31),
+ LN2_FUNC_PIN(PSIA1_MCLK, 0x32),
+ LN2_FUNC_PIN(PSIA2_MCLK, 0x33),
+ LN_FUNC("spdif-mclk", PIN, 0x34),
+ LN_FUNC("codec-irq", PIN, 0x42),
+ LN2_FUNC_PIN(CDC_RESET, 0x43),
+ LN2_FUNC_PIN(DSP_RESET, 0x44),
+ LN_FUNC("dsp-irq", PIN, 0x45),
+ LN2_FUNC_PIN(DSP_STANDBY, 0x46),
+ LN2_FUNC_PIN(CDC_PDMCLK1, 0x90),
+ LN2_FUNC_PIN(CDC_PDMDAT1, 0x91),
+ LN2_FUNC_PIN(CDC_PDMCLK2, 0x92),
+ LN2_FUNC_PIN(CDC_PDMDAT2, 0x93),
+ LN2_FUNC_PIN(CDC_DMICCLK1, 0xA0),
+ LN2_FUNC_PIN(CDC_DMICDAT1, 0xA1),
+ LN2_FUNC_PIN(CDC_DMICCLK2, 0xA2),
+ LN2_FUNC_PIN(CDC_DMICDAT2, 0xA3),
+ LN2_FUNC_PIN(CDC_DMICCLK3, 0xA4),
+ LN2_FUNC_PIN(CDC_DMICDAT3, 0xA5),
+ LN2_FUNC_PIN(CDC_DMICCLK4, 0xA6),
+ LN2_FUNC_PIN(CDC_DMICDAT4, 0xA7),
+ LN2_FUNC_PIN(DSP_DMICCLK1, 0xA8),
+ LN2_FUNC_PIN(DSP_DMICDAT1, 0xA9),
+ LN2_FUNC_PIN(DSP_DMICCLK2, 0xAA),
+ LN2_FUNC_PIN(DSP_DMICDAT2, 0xAB),
+ LN2_FUNC_PIN(DSP_UART1_RX, 0xC0),
+ LN2_FUNC_PIN(DSP_UART1_TX, 0xC1),
+ LN2_FUNC_PIN(DSP_UART2_RX, 0xC2),
+ LN2_FUNC_PIN(DSP_UART2_TX, 0xC3),
+ LN2_FUNC_PIN(GF_UART2_RX, 0xC4),
+ LN2_FUNC_PIN(GF_UART2_TX, 0xC5),
+ LN2_FUNC_PIN(USB_UART_RX, 0xC6),
+ LN_FUNC("usb-uart-tx", PIN, 0xC7),
+ LN2_FUNC_PIN(I2C2_SCL, 0xE0),
+ LN2_FUNC_PIN(I2C2_SDA, 0xE1),
+ LN2_FUNC_PIN(I2C3_SCL, 0xE2),
+ LN2_FUNC_PIN(I2C3_SDA, 0xE3),
+ LN2_FUNC_PIN(I2C4_SCL, 0xE4),
+ LN2_FUNC_PIN(I2C4_SDA, 0xE5),
+
+ LN2_FUNC_AIF(SPDIF_AIF, 0x01),
+ LN2_FUNC_GAI(PSIA1, 0x02, 0x50, 0x51, 0x52, 0x53),
+ LN2_FUNC_GAI(PSIA2, 0x03, 0x54, 0x55, 0x56, 0x57),
+ LN2_FUNC_GAI(CDC_AIF1, 0x04, 0x59, 0x5B, 0x5A, 0x58),
+ LN2_FUNC_GAI(CDC_AIF2, 0x05, 0x5D, 0x5F, 0x5E, 0x5C),
+ LN2_FUNC_GAI(CDC_AIF3, 0x06, 0x61, 0x62, 0x63, 0x60),
+ LN2_FUNC_GAI(DSP_AIF1, 0x07, 0x65, 0x67, 0x66, 0x64),
+ LN2_FUNC_GAI(DSP_AIF2, 0x08, 0x69, 0x6B, 0x6A, 0x68),
+ LN2_FUNC_GAI(GF_AIF3, 0x09, 0x6D, 0x6F, 0x6C, 0x6E),
+ LN2_FUNC_GAI(GF_AIF4, 0x0A, 0x71, 0x73, 0x70, 0x72),
+ LN2_FUNC_GAI(GF_AIF1, 0x0B, 0x75, 0x77, 0x74, 0x76),
+ LN2_FUNC_GAI(GF_AIF2, 0x0C, 0x79, 0x7B, 0x78, 0x7A),
+ LN2_FUNC_AIF(USB_AIF1, 0x0D),
+ LN2_FUNC_AIF(USB_AIF2, 0x0E),
+ LN2_FUNC_AIF(ADAT_AIF, 0x0F),
+ LN2_FUNC_AIF(SOUNDCARD_AIF, 0x10),
+};
+
+#define LN_GROUP_PIN(REV, ID) { \
+ .name = lochnagar##REV##_##ID##_pin.name, \
+ .type = LN_FTYPE_PIN, \
+ .pins = &lochnagar##REV##_pins[LOCHNAGAR##REV##_PIN_##ID].number, \
+ .npins = 1, \
+ .priv = &lochnagar##REV##_pins[LOCHNAGAR##REV##_PIN_##ID], \
+}
+
+#define LN_GROUP_AIF(REV, ID) { \
+ .name = lochnagar##REV##_##ID##_aif.name, \
+ .type = LN_FTYPE_AIF, \
+ .pins = lochnagar##REV##_##ID##_aif.pins, \
+ .npins = ARRAY_SIZE(lochnagar##REV##_##ID##_aif.pins), \
+ .priv = &lochnagar##REV##_##ID##_aif, \
+}
+
+#define LN1_GROUP_PIN(ID) LN_GROUP_PIN(1, ID)
+#define LN2_GROUP_PIN(ID) LN_GROUP_PIN(2, ID)
+
+#define LN1_GROUP_AIF(ID) LN_GROUP_AIF(1, ID)
+#define LN2_GROUP_AIF(ID) LN_GROUP_AIF(2, ID)
+
+#define LN2_GROUP_GAI(ID) \
+ LN2_GROUP_AIF(ID), \
+ LN2_GROUP_PIN(ID##_BCLK), LN2_GROUP_PIN(ID##_LRCLK), \
+ LN2_GROUP_PIN(ID##_RXDAT), LN2_GROUP_PIN(ID##_TXDAT)
+
+struct lochnagar_group {
+ const char * const name;
+
+ enum lochnagar_func_type type;
+
+ const unsigned int *pins;
+ unsigned int npins;
+
+ const void *priv;
+};
+
+static const struct lochnagar_group lochnagar1_groups[] = {
+ LN1_GROUP_PIN(GF_GPIO2), LN1_GROUP_PIN(GF_GPIO3),
+ LN1_GROUP_PIN(GF_GPIO7),
+ LN1_GROUP_PIN(LED1), LN1_GROUP_PIN(LED2),
+ LN1_GROUP_AIF(CDC_AIF1), LN1_GROUP_AIF(CDC_AIF2),
+ LN1_GROUP_AIF(CDC_AIF3),
+ LN1_GROUP_AIF(DSP_AIF1), LN1_GROUP_AIF(DSP_AIF2),
+ LN1_GROUP_AIF(PSIA1), LN1_GROUP_AIF(PSIA2),
+ LN1_GROUP_AIF(GF_AIF1), LN1_GROUP_AIF(GF_AIF2),
+ LN1_GROUP_AIF(GF_AIF3), LN1_GROUP_AIF(GF_AIF4),
+ LN1_GROUP_AIF(SPDIF_AIF),
+};
+
+static const struct lochnagar_group lochnagar2_groups[] = {
+ LN2_GROUP_PIN(FPGA_GPIO1), LN2_GROUP_PIN(FPGA_GPIO2),
+ LN2_GROUP_PIN(FPGA_GPIO3), LN2_GROUP_PIN(FPGA_GPIO4),
+ LN2_GROUP_PIN(FPGA_GPIO5), LN2_GROUP_PIN(FPGA_GPIO6),
+ LN2_GROUP_PIN(CDC_GPIO1), LN2_GROUP_PIN(CDC_GPIO2),
+ LN2_GROUP_PIN(CDC_GPIO3), LN2_GROUP_PIN(CDC_GPIO4),
+ LN2_GROUP_PIN(CDC_GPIO5), LN2_GROUP_PIN(CDC_GPIO6),
+ LN2_GROUP_PIN(CDC_GPIO7), LN2_GROUP_PIN(CDC_GPIO8),
+ LN2_GROUP_PIN(DSP_GPIO1), LN2_GROUP_PIN(DSP_GPIO2),
+ LN2_GROUP_PIN(DSP_GPIO3), LN2_GROUP_PIN(DSP_GPIO4),
+ LN2_GROUP_PIN(DSP_GPIO5), LN2_GROUP_PIN(DSP_GPIO6),
+ LN2_GROUP_PIN(DSP_GPIO20),
+ LN2_GROUP_PIN(GF_GPIO1),
+ LN2_GROUP_PIN(GF_GPIO2), LN2_GROUP_PIN(GF_GPIO5),
+ LN2_GROUP_PIN(GF_GPIO3), LN2_GROUP_PIN(GF_GPIO7),
+ LN2_GROUP_PIN(DSP_UART1_RX), LN2_GROUP_PIN(DSP_UART1_TX),
+ LN2_GROUP_PIN(DSP_UART2_RX), LN2_GROUP_PIN(DSP_UART2_TX),
+ LN2_GROUP_PIN(GF_UART2_RX), LN2_GROUP_PIN(GF_UART2_TX),
+ LN2_GROUP_PIN(USB_UART_RX),
+ LN2_GROUP_PIN(CDC_PDMCLK1), LN2_GROUP_PIN(CDC_PDMDAT1),
+ LN2_GROUP_PIN(CDC_PDMCLK2), LN2_GROUP_PIN(CDC_PDMDAT2),
+ LN2_GROUP_PIN(CDC_DMICCLK1), LN2_GROUP_PIN(CDC_DMICDAT1),
+ LN2_GROUP_PIN(CDC_DMICCLK2), LN2_GROUP_PIN(CDC_DMICDAT2),
+ LN2_GROUP_PIN(CDC_DMICCLK3), LN2_GROUP_PIN(CDC_DMICDAT3),
+ LN2_GROUP_PIN(CDC_DMICCLK4), LN2_GROUP_PIN(CDC_DMICDAT4),
+ LN2_GROUP_PIN(DSP_DMICCLK1), LN2_GROUP_PIN(DSP_DMICDAT1),
+ LN2_GROUP_PIN(DSP_DMICCLK2), LN2_GROUP_PIN(DSP_DMICDAT2),
+ LN2_GROUP_PIN(I2C2_SCL), LN2_GROUP_PIN(I2C2_SDA),
+ LN2_GROUP_PIN(I2C3_SCL), LN2_GROUP_PIN(I2C3_SDA),
+ LN2_GROUP_PIN(I2C4_SCL), LN2_GROUP_PIN(I2C4_SDA),
+ LN2_GROUP_PIN(DSP_STANDBY),
+ LN2_GROUP_PIN(CDC_MCLK1), LN2_GROUP_PIN(CDC_MCLK2),
+ LN2_GROUP_PIN(DSP_CLKIN),
+ LN2_GROUP_PIN(PSIA1_MCLK), LN2_GROUP_PIN(PSIA2_MCLK),
+ LN2_GROUP_GAI(CDC_AIF1), LN2_GROUP_GAI(CDC_AIF2),
+ LN2_GROUP_GAI(CDC_AIF3),
+ LN2_GROUP_GAI(DSP_AIF1), LN2_GROUP_GAI(DSP_AIF2),
+ LN2_GROUP_GAI(PSIA1), LN2_GROUP_GAI(PSIA2),
+ LN2_GROUP_GAI(GF_AIF1), LN2_GROUP_GAI(GF_AIF2),
+ LN2_GROUP_GAI(GF_AIF3), LN2_GROUP_GAI(GF_AIF4),
+ LN2_GROUP_AIF(SPDIF_AIF),
+ LN2_GROUP_AIF(USB_AIF1), LN2_GROUP_AIF(USB_AIF2),
+ LN2_GROUP_AIF(ADAT_AIF),
+ LN2_GROUP_AIF(SOUNDCARD_AIF),
+};
+
+struct lochnagar_func_groups {
+ const char **groups;
+ unsigned int ngroups;
+};
+
+struct lochnagar_pin_priv {
+ struct lochnagar *lochnagar;
+ struct device *dev;
+
+ const struct lochnagar_func *funcs;
+ unsigned int nfuncs;
+
+ const struct pinctrl_pin_desc *pins;
+ unsigned int npins;
+
+ const struct lochnagar_group *groups;
+ unsigned int ngroups;
+
+ struct lochnagar_func_groups func_groups[LN_FTYPE_COUNT];
+
+ struct gpio_chip gpio_chip;
+};
+
+static int lochnagar_get_groups_count(struct pinctrl_dev *pctldev)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ return priv->ngroups;
+}
+
+static const char *lochnagar_get_group_name(struct pinctrl_dev *pctldev,
+ unsigned int group_idx)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ return priv->groups[group_idx].name;
+}
+
+static int lochnagar_get_group_pins(struct pinctrl_dev *pctldev,
+ unsigned int group_idx,
+ const unsigned int **pins,
+ unsigned int *num_pins)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ *pins = priv->groups[group_idx].pins;
+ *num_pins = priv->groups[group_idx].npins;
+
+ return 0;
+}
+
+static const struct pinctrl_ops lochnagar_pin_group_ops = {
+ .get_groups_count = lochnagar_get_groups_count,
+ .get_group_name = lochnagar_get_group_name,
+ .get_group_pins = lochnagar_get_group_pins,
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_all,
+ .dt_free_map = pinctrl_utils_free_map,
+};
+
+static int lochnagar_get_funcs_count(struct pinctrl_dev *pctldev)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ return priv->nfuncs;
+}
+
+static const char *lochnagar_get_func_name(struct pinctrl_dev *pctldev,
+ unsigned int func_idx)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ return priv->funcs[func_idx].name;
+}
+
+static int lochnagar_get_func_groups(struct pinctrl_dev *pctldev,
+ unsigned int func_idx,
+ const char * const **groups,
+ unsigned int * const num_groups)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+ int func_type;
+
+ func_type = priv->funcs[func_idx].type;
+
+ *groups = priv->func_groups[func_type].groups;
+ *num_groups = priv->func_groups[func_type].ngroups;
+
+ return 0;
+}
+
+static int lochnagar2_get_gpio_chan(struct lochnagar_pin_priv *priv,
+ unsigned int op)
+{
+ struct regmap *regmap = priv->lochnagar->regmap;
+ unsigned int val;
+ int free = -1;
+ int i, ret;
+
+ for (i = 0; i < LN2_NUM_GPIO_CHANNELS; i++) {
+ ret = regmap_read(regmap, LOCHNAGAR2_GPIO_CHANNEL1 + i, &val);
+ if (ret)
+ return ret;
+
+ val &= LOCHNAGAR2_GPIO_CHANNEL_SRC_MASK;
+
+ if (val == op)
+ return i + 1;
+
+ if (free < 0 && !val)
+ free = i;
+ }
+
+ if (free >= 0) {
+ ret = regmap_update_bits(regmap,
+ LOCHNAGAR2_GPIO_CHANNEL1 + free,
+ LOCHNAGAR2_GPIO_CHANNEL_SRC_MASK, op);
+ if (ret)
+ return ret;
+
+ free++;
+
+ dev_dbg(priv->dev, "Set channel %d to 0x%x\n", free, op);
+
+ return free;
+ }
+
+ return -ENOSPC;
+}
+
+static int lochnagar_pin_set_mux(struct lochnagar_pin_priv *priv,
+ const struct lochnagar_pin *pin,
+ unsigned int op)
+{
+ int ret;
+
+ switch (priv->lochnagar->type) {
+ case LOCHNAGAR1:
+ break;
+ default:
+ ret = lochnagar2_get_gpio_chan(priv, op);
+ if (ret < 0) {
+ dev_err(priv->dev, "Failed to get channel for %s: %d\n",
+ pin->name, ret);
+ return ret;
+ }
+
+ op = ret;
+ break;
+ }
+
+ dev_dbg(priv->dev, "Set pin %s to 0x%x\n", pin->name, op);
+
+ ret = regmap_write(priv->lochnagar->regmap, pin->reg, op);
+ if (ret)
+ dev_err(priv->dev, "Failed to set %s mux: %d\n",
+ pin->name, ret);
+
+ return 0;
+}
+
+static int lochnagar_aif_set_mux(struct lochnagar_pin_priv *priv,
+ const struct lochnagar_group *group,
+ unsigned int op)
+{
+ struct regmap *regmap = priv->lochnagar->regmap;
+ const struct lochnagar_aif *aif = group->priv;
+ const struct lochnagar_pin *pin;
+ int i, ret;
+
+ ret = regmap_update_bits(regmap, aif->src_reg, aif->src_mask, op);
+ if (ret) {
+ dev_err(priv->dev, "Failed to set %s source: %d\n",
+ group->name, ret);
+ return ret;
+ }
+
+ ret = regmap_update_bits(regmap, aif->ctrl_reg,
+ aif->ena_mask, aif->ena_mask);
+ if (ret) {
+ dev_err(priv->dev, "Failed to set %s enable: %d\n",
+ group->name, ret);
+ return ret;
+ }
+
+ for (i = 0; i < group->npins; i++) {
+ pin = priv->pins[group->pins[i]].drv_data;
+
+ if (pin->type != LN_PTYPE_MUX)
+ continue;
+
+ dev_dbg(priv->dev, "Set pin %s to AIF\n", pin->name);
+
+ ret = regmap_update_bits(regmap, pin->reg,
+ LOCHNAGAR2_GPIO_SRC_MASK,
+ LN2_OP_AIF);
+ if (ret) {
+ dev_err(priv->dev, "Failed to set %s to AIF: %d\n",
+ pin->name, ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int lochnagar_set_mux(struct pinctrl_dev *pctldev,
+ unsigned int func_idx, unsigned int group_idx)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+ const struct lochnagar_func *func = &priv->funcs[func_idx];
+ const struct lochnagar_group *group = &priv->groups[group_idx];
+ const struct lochnagar_pin *pin;
+
+ switch (func->type) {
+ case LN_FTYPE_AIF:
+ dev_dbg(priv->dev, "Set group %s to %s\n",
+ group->name, func->name);
+
+ return lochnagar_aif_set_mux(priv, group, func->op);
+ case LN_FTYPE_PIN:
+ pin = priv->pins[*group->pins].drv_data;
+
+ dev_dbg(priv->dev, "Set pin %s to %s\n", pin->name, func->name);
+
+ return lochnagar_pin_set_mux(priv, pin, func->op);
+ default:
+ return -EINVAL;
+ }
+}
+
+static int lochnagar_gpio_request(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range,
+ unsigned int offset)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+ struct lochnagar *lochnagar = priv->lochnagar;
+ const struct lochnagar_pin *pin = priv->pins[offset].drv_data;
+ int ret;
+
+ dev_dbg(priv->dev, "Requesting GPIO %s\n", pin->name);
+
+ if (lochnagar->type == LOCHNAGAR1 || pin->type != LN_PTYPE_MUX)
+ return 0;
+
+ ret = lochnagar2_get_gpio_chan(priv, LN2_OP_GPIO);
+ if (ret < 0) {
+ dev_err(priv->dev, "Failed to get low channel: %d\n", ret);
+ return ret;
+ }
+
+ ret = lochnagar2_get_gpio_chan(priv, LN2_OP_GPIO | 0x1);
+ if (ret < 0) {
+ dev_err(priv->dev, "Failed to get high channel: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int lochnagar_gpio_set_direction(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range,
+ unsigned int offset,
+ bool input)
+{
+ /* The GPIOs only support output */
+ if (input)
+ return -EINVAL;
+
+ return 0;
+}
+
+static const struct pinmux_ops lochnagar_pin_mux_ops = {
+ .get_functions_count = lochnagar_get_funcs_count,
+ .get_function_name = lochnagar_get_func_name,
+ .get_function_groups = lochnagar_get_func_groups,
+ .set_mux = lochnagar_set_mux,
+
+ .gpio_request_enable = lochnagar_gpio_request,
+ .gpio_set_direction = lochnagar_gpio_set_direction,
+
+ .strict = true,
+};
+
+static int lochnagar_aif_set_master(struct lochnagar_pin_priv *priv,
+ unsigned int group_idx, bool master)
+{
+ struct regmap *regmap = priv->lochnagar->regmap;
+ const struct lochnagar_group *group = &priv->groups[group_idx];
+ const struct lochnagar_aif *aif = group->priv;
+ unsigned int val = 0;
+ int ret;
+
+ if (group->type != LN_FTYPE_AIF)
+ return -EINVAL;
+
+ if (!master)
+ val = aif->master_mask;
+
+ dev_dbg(priv->dev, "Set AIF %s to %s\n",
+ group->name, master ? "master" : "slave");
+
+ ret = regmap_update_bits(regmap, aif->ctrl_reg, aif->master_mask, val);
+ if (ret) {
+ dev_err(priv->dev, "Failed to set %s mode: %d\n",
+ group->name, ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int lochnagar_conf_group_set(struct pinctrl_dev *pctldev,
+ unsigned int group_idx,
+ unsigned long *configs,
+ unsigned int num_configs)
+{
+ struct lochnagar_pin_priv *priv = pinctrl_dev_get_drvdata(pctldev);
+ int i, ret;
+
+ for (i = 0; i < num_configs; i++) {
+ unsigned int param = pinconf_to_config_param(*configs);
+
+ switch (param) {
+ case PIN_CONFIG_OUTPUT_ENABLE:
+ ret = lochnagar_aif_set_master(priv, group_idx, true);
+ if (ret)
+ return ret;
+ break;
+ case PIN_CONFIG_INPUT_ENABLE:
+ ret = lochnagar_aif_set_master(priv, group_idx, false);
+ if (ret)
+ return ret;
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ configs++;
+ }
+
+ return 0;
+}
+
+static const struct pinconf_ops lochnagar_pin_conf_ops = {
+ .pin_config_group_set = lochnagar_conf_group_set,
+};
+
+static const struct pinctrl_desc lochnagar_pin_desc = {
+ .name = "lochnagar-pinctrl",
+ .owner = THIS_MODULE,
+
+ .pctlops = &lochnagar_pin_group_ops,
+ .pmxops = &lochnagar_pin_mux_ops,
+ .confops = &lochnagar_pin_conf_ops,
+};
+
+static void lochnagar_gpio_set(struct gpio_chip *chip,
+ unsigned int offset, int value)
+{
+ struct lochnagar_pin_priv *priv = gpiochip_get_data(chip);
+ struct lochnagar *lochnagar = priv->lochnagar;
+ const struct lochnagar_pin *pin = priv->pins[offset].drv_data;
+ int ret;
+
+ value = !!value;
+
+ dev_dbg(priv->dev, "Set GPIO %s to %s\n",
+ pin->name, value ? "high" : "low");
+
+ switch (pin->type) {
+ case LN_PTYPE_MUX:
+ value |= LN2_OP_GPIO;
+
+ ret = lochnagar_pin_set_mux(priv, pin, value);
+ break;
+ case LN_PTYPE_GPIO:
+ if (pin->invert)
+ value = !value;
+
+ ret = regmap_update_bits(lochnagar->regmap, pin->reg,
+ BIT(pin->shift), value << pin->shift);
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+
+ if (ret < 0)
+ dev_err(chip->parent, "Failed to set %s value: %d\n",
+ pin->name, ret);
+}
+
+static int lochnagar_gpio_direction_out(struct gpio_chip *chip,
+ unsigned int offset, int value)
+{
+ lochnagar_gpio_set(chip, offset, value);
+
+ return pinctrl_gpio_direction_output(chip->base + offset);
+}
+
+static int lochnagar_fill_func_groups(struct lochnagar_pin_priv *priv)
+{
+ struct lochnagar_func_groups *funcs;
+ int i;
+
+ for (i = 0; i < priv->ngroups; i++)
+ priv->func_groups[priv->groups[i].type].ngroups++;
+
+ for (i = 0; i < LN_FTYPE_COUNT; i++) {
+ funcs = &priv->func_groups[i];
+
+ if (!funcs->ngroups)
+ continue;
+
+ funcs->groups = devm_kcalloc(priv->dev, funcs->ngroups,
+ sizeof(*funcs->groups),
+ GFP_KERNEL);
+ if (!funcs->groups)
+ return -ENOMEM;
+
+ funcs->ngroups = 0;
+ }
+
+ for (i = 0; i < priv->ngroups; i++) {
+ funcs = &priv->func_groups[priv->groups[i].type];
+
+ funcs->groups[funcs->ngroups++] = priv->groups[i].name;
+ }
+
+ return 0;
+}
+
+static int lochnagar_pin_probe(struct platform_device *pdev)
+{
+ struct lochnagar *lochnagar = dev_get_drvdata(pdev->dev.parent);
+ struct lochnagar_pin_priv *priv;
+ struct pinctrl_desc *desc;
+ struct pinctrl_dev *pctl;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->dev = dev;
+ priv->lochnagar = lochnagar;
+
+ desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
+ if (!desc)
+ return -ENOMEM;
+
+ *desc = lochnagar_pin_desc;
+
+ priv->gpio_chip.label = dev_name(dev);
+ priv->gpio_chip.request = gpiochip_generic_request;
+ priv->gpio_chip.free = gpiochip_generic_free;
+ priv->gpio_chip.direction_output = lochnagar_gpio_direction_out;
+ priv->gpio_chip.set = lochnagar_gpio_set;
+ priv->gpio_chip.can_sleep = true;
+ priv->gpio_chip.parent = dev;
+ priv->gpio_chip.base = -1;
+#ifdef CONFIG_OF_GPIO
+ priv->gpio_chip.of_node = dev->of_node;
+#endif
+
+ switch (lochnagar->type) {
+ case LOCHNAGAR1:
+ priv->funcs = lochnagar1_funcs;
+ priv->nfuncs = ARRAY_SIZE(lochnagar1_funcs);
+ priv->pins = lochnagar1_pins;
+ priv->npins = ARRAY_SIZE(lochnagar1_pins);
+ priv->groups = lochnagar1_groups;
+ priv->ngroups = ARRAY_SIZE(lochnagar1_groups);
+
+ priv->gpio_chip.ngpio = LOCHNAGAR1_PIN_NUM_GPIOS;
+ break;
+ case LOCHNAGAR2:
+ priv->funcs = lochnagar2_funcs;
+ priv->nfuncs = ARRAY_SIZE(lochnagar2_funcs);
+ priv->pins = lochnagar2_pins;
+ priv->npins = ARRAY_SIZE(lochnagar2_pins);
+ priv->groups = lochnagar2_groups;
+ priv->ngroups = ARRAY_SIZE(lochnagar2_groups);
+
+ priv->gpio_chip.ngpio = LOCHNAGAR2_PIN_NUM_GPIOS;
+ break;
+ default:
+ dev_err(dev, "Unknown Lochnagar type: %d\n", lochnagar->type);
+ return -EINVAL;
+ }
+
+ ret = lochnagar_fill_func_groups(priv);
+ if (ret < 0)
+ return ret;
+
+ desc->pins = priv->pins;
+ desc->npins = priv->npins;
+
+ pctl = devm_pinctrl_register(dev, desc, priv);
+ if (IS_ERR(pctl)) {
+ ret = PTR_ERR(pctl);
+ dev_err(priv->dev, "Failed to register pinctrl: %d\n", ret);
+ return ret;
+ }
+
+ ret = devm_gpiochip_add_data(dev, &priv->gpio_chip, priv);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to register gpiochip: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id lochnagar_of_match[] = {
+ { .compatible = "cirrus,lochnagar-pinctrl" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, lochnagar_of_match);
+
+static struct platform_driver lochnagar_pin_driver = {
+ .driver = {
+ .name = "lochnagar-pinctrl",
+ .of_match_table = of_match_ptr(lochnagar_of_match),
+ },
+
+ .probe = lochnagar_pin_probe,
+};
+module_platform_driver(lochnagar_pin_driver);
+
+MODULE_AUTHOR("Charles Keepax <ckeepax@opensource.cirrus.com>");
+MODULE_DESCRIPTION("Pinctrl driver for Cirrus Logic Lochnagar Board");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/cirrus/pinctrl-madera-core.c b/drivers/pinctrl/cirrus/pinctrl-madera-core.c
new file mode 100644
index 000000000..dce262638
--- /dev/null
+++ b/drivers/pinctrl/cirrus/pinctrl-madera-core.c
@@ -0,0 +1,1105 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Pinctrl for Cirrus Logic Madera codecs
+ *
+ * Copyright (C) 2016-2018 Cirrus Logic
+ */
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
+
+#include <linux/mfd/madera/core.h>
+#include <linux/mfd/madera/registers.h>
+
+#include "../pinctrl-utils.h"
+
+#include "pinctrl-madera.h"
+
+/*
+ * Use pin GPIO names for consistency
+ * NOTE: IDs are zero-indexed for coding convenience
+ */
+static const struct pinctrl_pin_desc madera_pins[] = {
+ PINCTRL_PIN(0, "gpio1"),
+ PINCTRL_PIN(1, "gpio2"),
+ PINCTRL_PIN(2, "gpio3"),
+ PINCTRL_PIN(3, "gpio4"),
+ PINCTRL_PIN(4, "gpio5"),
+ PINCTRL_PIN(5, "gpio6"),
+ PINCTRL_PIN(6, "gpio7"),
+ PINCTRL_PIN(7, "gpio8"),
+ PINCTRL_PIN(8, "gpio9"),
+ PINCTRL_PIN(9, "gpio10"),
+ PINCTRL_PIN(10, "gpio11"),
+ PINCTRL_PIN(11, "gpio12"),
+ PINCTRL_PIN(12, "gpio13"),
+ PINCTRL_PIN(13, "gpio14"),
+ PINCTRL_PIN(14, "gpio15"),
+ PINCTRL_PIN(15, "gpio16"),
+ PINCTRL_PIN(16, "gpio17"),
+ PINCTRL_PIN(17, "gpio18"),
+ PINCTRL_PIN(18, "gpio19"),
+ PINCTRL_PIN(19, "gpio20"),
+ PINCTRL_PIN(20, "gpio21"),
+ PINCTRL_PIN(21, "gpio22"),
+ PINCTRL_PIN(22, "gpio23"),
+ PINCTRL_PIN(23, "gpio24"),
+ PINCTRL_PIN(24, "gpio25"),
+ PINCTRL_PIN(25, "gpio26"),
+ PINCTRL_PIN(26, "gpio27"),
+ PINCTRL_PIN(27, "gpio28"),
+ PINCTRL_PIN(28, "gpio29"),
+ PINCTRL_PIN(29, "gpio30"),
+ PINCTRL_PIN(30, "gpio31"),
+ PINCTRL_PIN(31, "gpio32"),
+ PINCTRL_PIN(32, "gpio33"),
+ PINCTRL_PIN(33, "gpio34"),
+ PINCTRL_PIN(34, "gpio35"),
+ PINCTRL_PIN(35, "gpio36"),
+ PINCTRL_PIN(36, "gpio37"),
+ PINCTRL_PIN(37, "gpio38"),
+ PINCTRL_PIN(38, "gpio39"),
+ PINCTRL_PIN(39, "gpio40"),
+};
+
+/*
+ * All single-pin functions can be mapped to any GPIO, however pinmux applies
+ * functions to pin groups and only those groups declared as supporting that
+ * function. To make this work we must put each pin in its own dummy group so
+ * that the functions can be described as applying to all pins.
+ * Since these do not correspond to anything in the actual hardware - they are
+ * merely an adaptation to pinctrl's view of the world - we use the same name
+ * as the pin to avoid confusion when comparing with datasheet instructions
+ */
+static const char * const madera_pin_single_group_names[] = {
+ "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7",
+ "gpio8", "gpio9", "gpio10", "gpio11", "gpio12", "gpio13", "gpio14",
+ "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21",
+ "gpio22", "gpio23", "gpio24", "gpio25", "gpio26", "gpio27", "gpio28",
+ "gpio29", "gpio30", "gpio31", "gpio32", "gpio33", "gpio34", "gpio35",
+ "gpio36", "gpio37", "gpio38", "gpio39", "gpio40",
+};
+
+/* set of pin numbers for single-pin groups, zero-indexed */
+static const unsigned int madera_pin_single_group_pins[] = {
+ 0, 1, 2, 3, 4, 5, 6,
+ 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20,
+ 21, 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34,
+ 35, 36, 37, 38, 39,
+};
+
+static const char * const madera_aif1_group_names[] = { "aif1" };
+static const char * const madera_aif2_group_names[] = { "aif2" };
+static const char * const madera_aif3_group_names[] = { "aif3" };
+static const char * const madera_aif4_group_names[] = { "aif4" };
+static const char * const madera_mif1_group_names[] = { "mif1" };
+static const char * const madera_mif2_group_names[] = { "mif2" };
+static const char * const madera_mif3_group_names[] = { "mif3" };
+static const char * const madera_dmic3_group_names[] = { "dmic3" };
+static const char * const madera_dmic4_group_names[] = { "dmic4" };
+static const char * const madera_dmic5_group_names[] = { "dmic5" };
+static const char * const madera_dmic6_group_names[] = { "dmic6" };
+static const char * const madera_spk1_group_names[] = { "pdmspk1" };
+static const char * const madera_spk2_group_names[] = { "pdmspk2" };
+
+/*
+ * alt-functions always apply to a single pin group, other functions always
+ * apply to all pins
+ */
+static const struct {
+ const char *name;
+ const char * const *group_names;
+ u32 func;
+} madera_mux_funcs[] = {
+ {
+ .name = "aif1",
+ .group_names = madera_aif1_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "aif2",
+ .group_names = madera_aif2_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "aif3",
+ .group_names = madera_aif3_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "aif4",
+ .group_names = madera_aif4_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "mif1",
+ .group_names = madera_mif1_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "mif2",
+ .group_names = madera_mif2_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "mif3",
+ .group_names = madera_mif3_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "dmic3",
+ .group_names = madera_dmic3_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "dmic4",
+ .group_names = madera_dmic4_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "dmic5",
+ .group_names = madera_dmic5_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "dmic6",
+ .group_names = madera_dmic6_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "pdmspk1",
+ .group_names = madera_spk1_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "pdmspk2",
+ .group_names = madera_spk2_group_names,
+ .func = 0x000
+ },
+ {
+ .name = "io",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x001
+ },
+ {
+ .name = "dsp-gpio",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x002
+ },
+ {
+ .name = "irq1",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x003
+ },
+ {
+ .name = "irq2",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x004
+ },
+ {
+ .name = "fll1-clk",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x010
+ },
+ {
+ .name = "fll2-clk",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x011
+ },
+ {
+ .name = "fll3-clk",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x012
+ },
+ {
+ .name = "fllao-clk",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x013
+ },
+ {
+ .name = "fll1-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x018
+ },
+ {
+ .name = "fll2-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x019
+ },
+ {
+ .name = "fll3-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x01a
+ },
+ {
+ .name = "fllao-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x01b
+ },
+ {
+ .name = "opclk",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x040
+ },
+ {
+ .name = "opclk-async",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x041
+ },
+ {
+ .name = "pwm1",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x048
+ },
+ {
+ .name = "pwm2",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x049
+ },
+ {
+ .name = "spdif",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x04c
+ },
+ {
+ .name = "asrc1-in1-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x088
+ },
+ {
+ .name = "asrc1-in2-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x089
+ },
+ {
+ .name = "asrc2-in1-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x08a
+ },
+ {
+ .name = "asrc2-in2-lock",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x08b
+ },
+ {
+ .name = "spkl-short-circuit",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x0b6
+ },
+ {
+ .name = "spkr-short-circuit",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x0b7
+ },
+ {
+ .name = "spk-shutdown",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x0e0
+ },
+ {
+ .name = "spk-overheat-shutdown",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x0e1
+ },
+ {
+ .name = "spk-overheat-warn",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x0e2
+ },
+ {
+ .name = "timer1-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x140
+ },
+ {
+ .name = "timer2-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x141
+ },
+ {
+ .name = "timer3-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x142
+ },
+ {
+ .name = "timer4-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x143
+ },
+ {
+ .name = "timer5-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x144
+ },
+ {
+ .name = "timer6-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x145
+ },
+ {
+ .name = "timer7-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x146
+ },
+ {
+ .name = "timer8-sts",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x147
+ },
+ {
+ .name = "log1-fifo-ne",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x150
+ },
+ {
+ .name = "log2-fifo-ne",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x151
+ },
+ {
+ .name = "log3-fifo-ne",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x152
+ },
+ {
+ .name = "log4-fifo-ne",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x153
+ },
+ {
+ .name = "log5-fifo-ne",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x154
+ },
+ {
+ .name = "log6-fifo-ne",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x155
+ },
+ {
+ .name = "log7-fifo-ne",
+ .group_names = madera_pin_single_group_names,
+ .func = 0x156
+ },
+ {
+ .name = "log8-fifo-ne",
+ .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,
+ unsigned int milliamps)
+{
+ switch (milliamps) {
+ case 4:
+ return 0;
+ case 8:
+ return 2 << MADERA_GP1_DRV_STR_SHIFT;
+ default:
+ break;
+ }
+
+ dev_warn(priv->dev, "%u mA not a valid drive strength", milliamps);
+
+ return 0;
+}
+
+static unsigned int madera_pin_unmake_drv_str(struct madera_pin_private *priv,
+ u16 regval)
+{
+ regval = (regval & MADERA_GP1_DRV_STR_MASK) >> MADERA_GP1_DRV_STR_SHIFT;
+
+ switch (regval) {
+ case 0:
+ return 4;
+ case 2:
+ return 8;
+ default:
+ return 0;
+ }
+}
+
+static int madera_get_groups_count(struct pinctrl_dev *pctldev)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ /* Number of alt function groups plus number of single-pin groups */
+ return priv->chip->n_pin_groups + priv->chip->n_pins;
+}
+
+static const char *madera_get_group_name(struct pinctrl_dev *pctldev,
+ unsigned int selector)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ if (selector < priv->chip->n_pin_groups)
+ return priv->chip->pin_groups[selector].name;
+
+ selector -= priv->chip->n_pin_groups;
+ return madera_pin_single_group_names[selector];
+}
+
+static int madera_get_group_pins(struct pinctrl_dev *pctldev,
+ unsigned int selector,
+ const unsigned int **pins,
+ unsigned int *num_pins)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ if (selector < priv->chip->n_pin_groups) {
+ *pins = priv->chip->pin_groups[selector].pins;
+ *num_pins = priv->chip->pin_groups[selector].n_pins;
+ } else {
+ /* return the dummy group for a single pin */
+ selector -= priv->chip->n_pin_groups;
+ *pins = &madera_pin_single_group_pins[selector];
+ *num_pins = 1;
+ }
+ return 0;
+}
+
+static void madera_pin_dbg_show_fn(struct madera_pin_private *priv,
+ struct seq_file *s,
+ unsigned int pin, unsigned int fn)
+{
+ const struct madera_pin_chip *chip = priv->chip;
+ int i, g_pin;
+
+ if (fn != 0) {
+ for (i = 0; i < ARRAY_SIZE(madera_mux_funcs); ++i) {
+ if (madera_mux_funcs[i].func == fn) {
+ seq_printf(s, " FN=%s",
+ madera_mux_funcs[i].name);
+ return;
+ }
+ }
+ return; /* ignore unknown function values */
+ }
+
+ /* alt function */
+ for (i = 0; i < chip->n_pin_groups; ++i) {
+ for (g_pin = 0; g_pin < chip->pin_groups[i].n_pins; ++g_pin) {
+ if (chip->pin_groups[i].pins[g_pin] == pin) {
+ seq_printf(s, " FN=%s",
+ chip->pin_groups[i].name);
+ return;
+ }
+ }
+ }
+}
+
+static void __maybe_unused madera_pin_dbg_show(struct pinctrl_dev *pctldev,
+ struct seq_file *s,
+ unsigned int pin)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ unsigned int conf[2];
+ unsigned int reg = MADERA_GPIO1_CTRL_1 + (2 * pin);
+ unsigned int fn;
+ int ret;
+
+ ret = regmap_read(priv->madera->regmap, reg, &conf[0]);
+ if (ret)
+ return;
+
+ ret = regmap_read(priv->madera->regmap, reg + 1, &conf[1]);
+ if (ret)
+ return;
+
+ seq_printf(s, "%04x:%04x", conf[0], conf[1]);
+
+ fn = (conf[0] & MADERA_GP1_FN_MASK) >> MADERA_GP1_FN_SHIFT;
+ madera_pin_dbg_show_fn(priv, s, pin, fn);
+
+ /* State of direction bit is only relevant if function==1 */
+ if (fn == 1) {
+ if (conf[1] & MADERA_GP1_DIR_MASK)
+ seq_puts(s, " IN");
+ else
+ seq_puts(s, " OUT");
+ }
+
+ if (conf[1] & MADERA_GP1_PU_MASK)
+ seq_puts(s, " PU");
+
+ if (conf[1] & MADERA_GP1_PD_MASK)
+ seq_puts(s, " PD");
+
+ if (conf[0] & MADERA_GP1_DB_MASK)
+ seq_puts(s, " DB");
+
+ if (conf[0] & MADERA_GP1_OP_CFG_MASK)
+ seq_puts(s, " OD");
+ else
+ seq_puts(s, " CMOS");
+
+ seq_printf(s, " DRV=%umA", madera_pin_unmake_drv_str(priv, conf[1]));
+
+ if (conf[0] & MADERA_GP1_IP_CFG_MASK)
+ seq_puts(s, " SCHMITT");
+}
+
+static const struct pinctrl_ops madera_pin_group_ops = {
+ .get_groups_count = madera_get_groups_count,
+ .get_group_name = madera_get_group_name,
+ .get_group_pins = madera_get_group_pins,
+#if IS_ENABLED(CONFIG_OF)
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_all,
+ .dt_free_map = pinctrl_utils_free_map,
+#endif
+#if IS_ENABLED(CONFIG_DEBUG_FS)
+ .pin_dbg_show = madera_pin_dbg_show,
+#endif
+};
+
+static int madera_mux_get_funcs_count(struct pinctrl_dev *pctldev)
+{
+ return ARRAY_SIZE(madera_mux_funcs);
+}
+
+static const char *madera_mux_get_func_name(struct pinctrl_dev *pctldev,
+ unsigned int selector)
+{
+ return madera_mux_funcs[selector].name;
+}
+
+static int madera_mux_get_groups(struct pinctrl_dev *pctldev,
+ unsigned int selector,
+ const char * const **groups,
+ unsigned int * const num_groups)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+
+ *groups = madera_mux_funcs[selector].group_names;
+
+ if (madera_mux_funcs[selector].func == 0) {
+ /* alt func always maps to a single group */
+ *num_groups = 1;
+ } else {
+ /* other funcs map to all available gpio pins */
+ *num_groups = priv->chip->n_pins;
+ }
+
+ return 0;
+}
+
+static int madera_mux_set_mux(struct pinctrl_dev *pctldev,
+ unsigned int selector,
+ unsigned int group)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ struct madera *madera = priv->madera;
+ const struct madera_pin_groups *pin_group = priv->chip->pin_groups;
+ unsigned int n_chip_groups = priv->chip->n_pin_groups;
+ const char *func_name = madera_mux_funcs[selector].name;
+ unsigned int reg;
+ int i, ret = 0;
+
+ dev_dbg(priv->dev, "%s selecting %u (%s) for group %u (%s)\n",
+ __func__, selector, func_name, group,
+ madera_get_group_name(pctldev, group));
+
+ if (madera_mux_funcs[selector].func == 0) {
+ /* alt func pin assignments are codec-specific */
+ for (i = 0; i < n_chip_groups; ++i) {
+ if (strcmp(func_name, pin_group->name) == 0)
+ break;
+
+ ++pin_group;
+ }
+
+ if (i == n_chip_groups)
+ return -EINVAL;
+
+ for (i = 0; i < pin_group->n_pins; ++i) {
+ reg = MADERA_GPIO1_CTRL_1 + (2 * pin_group->pins[i]);
+
+ dev_dbg(priv->dev, "%s setting 0x%x func bits to 0\n",
+ __func__, reg);
+
+ ret = regmap_update_bits(madera->regmap, reg,
+ MADERA_GP1_FN_MASK, 0);
+ if (ret)
+ break;
+
+ }
+ } else {
+ /*
+ * for other funcs the group will be the gpio number and will
+ * be offset by the number of chip-specific functions at the
+ * start of the group list
+ */
+ group -= n_chip_groups;
+ reg = MADERA_GPIO1_CTRL_1 + (2 * group);
+
+ dev_dbg(priv->dev, "%s setting 0x%x func bits to 0x%x\n",
+ __func__, reg, madera_mux_funcs[selector].func);
+
+ ret = regmap_update_bits(madera->regmap,
+ reg,
+ MADERA_GP1_FN_MASK,
+ madera_mux_funcs[selector].func);
+ }
+
+ if (ret)
+ dev_err(priv->dev, "Failed to write to 0x%x (%d)\n", reg, ret);
+
+ return ret;
+}
+
+static int madera_gpio_set_direction(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range,
+ unsigned int offset,
+ bool input)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ struct madera *madera = priv->madera;
+ unsigned int reg = MADERA_GPIO1_CTRL_2 + (2 * offset);
+ unsigned int val;
+ int ret;
+
+ if (input)
+ val = MADERA_GP1_DIR;
+ else
+ val = 0;
+
+ ret = regmap_update_bits(madera->regmap, reg, MADERA_GP1_DIR_MASK, val);
+ if (ret)
+ dev_err(priv->dev, "Failed to write to 0x%x (%d)\n", reg, ret);
+
+ return ret;
+}
+
+static int madera_gpio_request_enable(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range,
+ unsigned int offset)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ struct madera *madera = priv->madera;
+ unsigned int reg = MADERA_GPIO1_CTRL_1 + (2 * offset);
+ int ret;
+
+ /* put the pin into GPIO mode */
+ ret = regmap_update_bits(madera->regmap, reg, MADERA_GP1_FN_MASK, 1);
+ if (ret)
+ dev_err(priv->dev, "Failed to write to 0x%x (%d)\n", reg, ret);
+
+ return ret;
+}
+
+static void madera_gpio_disable_free(struct pinctrl_dev *pctldev,
+ struct pinctrl_gpio_range *range,
+ unsigned int offset)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ struct madera *madera = priv->madera;
+ unsigned int reg = MADERA_GPIO1_CTRL_1 + (2 * offset);
+ int ret;
+
+ /* disable GPIO by setting to GPIO IN */
+ madera_gpio_set_direction(pctldev, range, offset, true);
+
+ ret = regmap_update_bits(madera->regmap, reg, MADERA_GP1_FN_MASK, 1);
+ if (ret)
+ dev_err(priv->dev, "Failed to write to 0x%x (%d)\n", reg, ret);
+}
+
+static const struct pinmux_ops madera_pin_mux_ops = {
+ .get_functions_count = madera_mux_get_funcs_count,
+ .get_function_name = madera_mux_get_func_name,
+ .get_function_groups = madera_mux_get_groups,
+ .set_mux = madera_mux_set_mux,
+ .gpio_request_enable = madera_gpio_request_enable,
+ .gpio_disable_free = madera_gpio_disable_free,
+ .gpio_set_direction = madera_gpio_set_direction,
+ .strict = true, /* GPIO and other functions are exclusive */
+};
+
+static int madera_pin_conf_get(struct pinctrl_dev *pctldev, unsigned int pin,
+ unsigned long *config)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ unsigned int param = pinconf_to_config_param(*config);
+ unsigned int result = 0;
+ unsigned int reg = MADERA_GPIO1_CTRL_1 + (2 * pin);
+ unsigned int conf[2];
+ int ret;
+
+ ret = regmap_read(priv->madera->regmap, reg, &conf[0]);
+ if (!ret)
+ ret = regmap_read(priv->madera->regmap, reg + 1, &conf[1]);
+
+ if (ret) {
+ dev_err(priv->dev, "Failed to read GP%d conf (%d)\n",
+ pin + 1, ret);
+ return ret;
+ }
+
+ switch (param) {
+ case PIN_CONFIG_BIAS_BUS_HOLD:
+ conf[1] &= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ if (conf[1] == (MADERA_GP1_PU | MADERA_GP1_PD))
+ result = 1;
+ break;
+ case PIN_CONFIG_BIAS_DISABLE:
+ conf[1] &= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ if (!conf[1])
+ result = 1;
+ break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ conf[1] &= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ if (conf[1] == MADERA_GP1_PD_MASK)
+ result = 1;
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ conf[1] &= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ if (conf[1] == MADERA_GP1_PU_MASK)
+ result = 1;
+ break;
+ case PIN_CONFIG_DRIVE_OPEN_DRAIN:
+ if (conf[0] & MADERA_GP1_OP_CFG_MASK)
+ result = 1;
+ break;
+ case PIN_CONFIG_DRIVE_PUSH_PULL:
+ if (!(conf[0] & MADERA_GP1_OP_CFG_MASK))
+ result = 1;
+ break;
+ case PIN_CONFIG_DRIVE_STRENGTH:
+ result = madera_pin_unmake_drv_str(priv, conf[1]);
+ break;
+ case PIN_CONFIG_INPUT_DEBOUNCE:
+ if (conf[0] & MADERA_GP1_DB_MASK)
+ result = 1;
+ break;
+ case PIN_CONFIG_INPUT_ENABLE:
+ if (conf[0] & MADERA_GP1_DIR_MASK)
+ result = 1;
+ break;
+ case PIN_CONFIG_INPUT_SCHMITT:
+ case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ if (conf[0] & MADERA_GP1_IP_CFG_MASK)
+ result = 1;
+ break;
+ case PIN_CONFIG_OUTPUT:
+ if ((conf[1] & MADERA_GP1_DIR_MASK) &&
+ (conf[0] & MADERA_GP1_LVL_MASK))
+ result = 1;
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ *config = pinconf_to_config_packed(param, result);
+
+ return 0;
+}
+
+static int madera_pin_conf_set(struct pinctrl_dev *pctldev, unsigned int pin,
+ unsigned long *configs, unsigned int num_configs)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ u16 conf[2] = {0, 0};
+ u16 mask[2] = {0, 0};
+ unsigned int reg = MADERA_GPIO1_CTRL_1 + (2 * pin);
+ unsigned int val;
+ int ret;
+
+ while (num_configs) {
+ dev_dbg(priv->dev, "%s config 0x%lx\n", __func__, *configs);
+
+ switch (pinconf_to_config_param(*configs)) {
+ case PIN_CONFIG_BIAS_BUS_HOLD:
+ mask[1] |= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ conf[1] |= MADERA_GP1_PU | MADERA_GP1_PD;
+ break;
+ case PIN_CONFIG_BIAS_DISABLE:
+ mask[1] |= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ conf[1] &= ~(MADERA_GP1_PU | MADERA_GP1_PD);
+ break;
+ case PIN_CONFIG_BIAS_PULL_DOWN:
+ mask[1] |= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ conf[1] |= MADERA_GP1_PD;
+ conf[1] &= ~MADERA_GP1_PU;
+ break;
+ case PIN_CONFIG_BIAS_PULL_UP:
+ mask[1] |= MADERA_GP1_PU_MASK | MADERA_GP1_PD_MASK;
+ conf[1] |= MADERA_GP1_PU;
+ conf[1] &= ~MADERA_GP1_PD;
+ break;
+ case PIN_CONFIG_DRIVE_OPEN_DRAIN:
+ mask[0] |= MADERA_GP1_OP_CFG_MASK;
+ conf[0] |= MADERA_GP1_OP_CFG;
+ break;
+ case PIN_CONFIG_DRIVE_PUSH_PULL:
+ mask[0] |= MADERA_GP1_OP_CFG_MASK;
+ conf[0] &= ~MADERA_GP1_OP_CFG;
+ break;
+ case PIN_CONFIG_DRIVE_STRENGTH:
+ val = pinconf_to_config_argument(*configs);
+ mask[1] |= MADERA_GP1_DRV_STR_MASK;
+ conf[1] &= ~MADERA_GP1_DRV_STR_MASK;
+ conf[1] |= madera_pin_make_drv_str(priv, val);
+ break;
+ case PIN_CONFIG_INPUT_DEBOUNCE:
+ mask[0] |= MADERA_GP1_DB_MASK;
+
+ /*
+ * we can't configure debounce time per-pin so value
+ * is just a flag
+ */
+ val = pinconf_to_config_argument(*configs);
+ if (val)
+ conf[0] |= MADERA_GP1_DB;
+ else
+ conf[0] &= ~MADERA_GP1_DB;
+ break;
+ case PIN_CONFIG_INPUT_ENABLE:
+ val = pinconf_to_config_argument(*configs);
+ mask[1] |= MADERA_GP1_DIR_MASK;
+ if (val)
+ conf[1] |= MADERA_GP1_DIR;
+ else
+ conf[1] &= ~MADERA_GP1_DIR;
+ break;
+ case PIN_CONFIG_INPUT_SCHMITT:
+ val = pinconf_to_config_argument(*configs);
+ mask[0] |= MADERA_GP1_IP_CFG;
+ if (val)
+ conf[0] |= MADERA_GP1_IP_CFG;
+ else
+ conf[0] &= ~MADERA_GP1_IP_CFG;
+
+ mask[1] |= MADERA_GP1_DIR_MASK;
+ conf[1] |= MADERA_GP1_DIR;
+ break;
+ case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+ mask[0] |= MADERA_GP1_IP_CFG;
+ conf[0] |= MADERA_GP1_IP_CFG;
+ mask[1] |= MADERA_GP1_DIR_MASK;
+ conf[1] |= MADERA_GP1_DIR;
+ break;
+ case PIN_CONFIG_OUTPUT:
+ val = pinconf_to_config_argument(*configs);
+ mask[0] |= MADERA_GP1_LVL_MASK;
+ if (val)
+ conf[0] |= MADERA_GP1_LVL;
+ else
+ conf[0] &= ~MADERA_GP1_LVL;
+
+ mask[1] |= MADERA_GP1_DIR_MASK;
+ conf[1] &= ~MADERA_GP1_DIR;
+ break;
+ default:
+ return -ENOTSUPP;
+ }
+
+ ++configs;
+ --num_configs;
+ }
+
+ dev_dbg(priv->dev,
+ "%s gpio%d 0x%x:0x%x 0x%x:0x%x\n",
+ __func__, pin + 1, reg, conf[0], reg + 1, conf[1]);
+
+ ret = regmap_update_bits(priv->madera->regmap, reg, mask[0], conf[0]);
+ if (ret)
+ goto err;
+
+ ++reg;
+ ret = regmap_update_bits(priv->madera->regmap, reg, mask[1], conf[1]);
+ if (ret)
+ goto err;
+
+ return 0;
+
+err:
+ dev_err(priv->dev,
+ "Failed to write GPIO%d conf (%d) reg 0x%x\n",
+ pin + 1, ret, reg);
+
+ return ret;
+}
+
+static int madera_pin_conf_group_set(struct pinctrl_dev *pctldev,
+ unsigned int selector,
+ unsigned long *configs,
+ unsigned int num_configs)
+{
+ struct madera_pin_private *priv = pinctrl_dev_get_drvdata(pctldev);
+ const struct madera_pin_groups *pin_group;
+ unsigned int n_groups = priv->chip->n_pin_groups;
+ int i, ret;
+
+ dev_dbg(priv->dev, "%s setting group %s\n", __func__,
+ madera_get_group_name(pctldev, selector));
+
+ if (selector >= n_groups) {
+ /* group is a single pin, convert to pin number and set */
+ return madera_pin_conf_set(pctldev,
+ selector - n_groups,
+ configs,
+ num_configs);
+ } else {
+ pin_group = &priv->chip->pin_groups[selector];
+
+ for (i = 0; i < pin_group->n_pins; ++i) {
+ ret = madera_pin_conf_set(pctldev,
+ pin_group->pins[i],
+ configs,
+ num_configs);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static const struct pinconf_ops madera_pin_conf_ops = {
+ .is_generic = true,
+ .pin_config_get = madera_pin_conf_get,
+ .pin_config_set = madera_pin_conf_set,
+ .pin_config_group_set = madera_pin_conf_group_set,
+};
+
+static struct pinctrl_desc madera_pin_desc = {
+ .name = "madera-pinctrl",
+ .pins = madera_pins,
+ .pctlops = &madera_pin_group_ops,
+ .pmxops = &madera_pin_mux_ops,
+ .confops = &madera_pin_conf_ops,
+ .owner = THIS_MODULE,
+};
+
+static int madera_pin_probe(struct platform_device *pdev)
+{
+ struct madera *madera = dev_get_drvdata(pdev->dev.parent);
+ const struct madera_pdata *pdata = &madera->pdata;
+ struct madera_pin_private *priv;
+ int ret;
+
+ BUILD_BUG_ON(ARRAY_SIZE(madera_pin_single_group_names) !=
+ ARRAY_SIZE(madera_pin_single_group_pins));
+
+ dev_dbg(&pdev->dev, "%s\n", __func__);
+
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ priv->dev = &pdev->dev;
+ priv->madera = madera;
+ 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;
+ break;
+ case CS47L85:
+ case WM1840:
+ if (IS_ENABLED(CONFIG_PINCTRL_CS47L85))
+ priv->chip = &cs47l85_pin_chip;
+ break;
+ case CS47L90:
+ case CS47L91:
+ 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;
+ }
+
+ if (!priv->chip)
+ return -ENODEV;
+
+ madera_pin_desc.npins = priv->chip->n_pins;
+
+ ret = devm_pinctrl_register_and_init(&pdev->dev,
+ &madera_pin_desc,
+ priv,
+ &priv->pctl);
+ if (ret) {
+ dev_err(priv->dev, "Failed pinctrl register (%d)\n", ret);
+ return ret;
+ }
+
+ /* if the configuration is provided through pdata, apply it */
+ if (pdata->gpio_configs) {
+ ret = pinctrl_register_mappings(pdata->gpio_configs,
+ pdata->n_gpio_configs);
+ if (ret) {
+ dev_err(priv->dev,
+ "Failed to register pdata mappings (%d)\n",
+ ret);
+ return ret;
+ }
+ }
+
+ ret = pinctrl_enable(priv->pctl);
+ if (ret) {
+ dev_err(priv->dev, "Failed to enable pinctrl (%d)\n", ret);
+ return ret;
+ }
+
+ platform_set_drvdata(pdev, priv);
+
+ dev_dbg(priv->dev, "pinctrl probed ok\n");
+
+ return 0;
+}
+
+static int madera_pin_remove(struct platform_device *pdev)
+{
+ struct madera_pin_private *priv = platform_get_drvdata(pdev);
+
+ if (priv->madera->pdata.gpio_configs)
+ pinctrl_unregister_mappings(priv->madera->pdata.gpio_configs);
+
+ return 0;
+}
+
+static struct platform_driver madera_pin_driver = {
+ .probe = madera_pin_probe,
+ .remove = madera_pin_remove,
+ .driver = {
+ .name = "madera-pinctrl",
+ },
+};
+
+module_platform_driver(madera_pin_driver);
+
+MODULE_DESCRIPTION("Madera pinctrl driver");
+MODULE_AUTHOR("Richard Fitzgerald <rf@opensource.cirrus.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pinctrl/cirrus/pinctrl-madera.h b/drivers/pinctrl/cirrus/pinctrl-madera.h
new file mode 100644
index 000000000..c16a4dc19
--- /dev/null
+++ b/drivers/pinctrl/cirrus/pinctrl-madera.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Pinctrl for Cirrus Logic Madera codecs
+ *
+ * Copyright (C) 2016-2017 Cirrus Logic
+ */
+
+#ifndef PINCTRL_MADERA_H
+#define PINCTRL_MADERA_H
+
+struct madera_pin_groups {
+ const char *name;
+ const unsigned int *pins;
+ unsigned int n_pins;
+};
+
+struct madera_pin_chip {
+ unsigned int n_pins;
+
+ const struct madera_pin_groups *pin_groups;
+ unsigned int n_pin_groups;
+};
+
+struct madera_pin_private {
+ struct madera *madera;
+
+ const struct madera_pin_chip *chip; /* chip-specific groups */
+
+ struct device *dev;
+ 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;
+extern const struct madera_pin_chip cs47l92_pin_chip;
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 15:34:13 +0000