@@ -15,6 +15,9 @@ config PINCTRL_MADERA
select PINMUX
select GENERIC_PINCONF
+config PINCTRL_CS47L15
+ bool
+
config PINCTRL_CS47L35
bool
@@ -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
new file mode 100644
@@ -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),
+};
@@ -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;
@@ -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;