1 files changed, 53 insertions, 0 deletions
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),
+};