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Diffstat (limited to 'drivers/pinctrl/cirrus/pinctrl-cs47l85.c')
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l85.c55
1 files changed, 55 insertions, 0 deletions
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),
+};