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Diffstat (limited to 'drivers/pinctrl/cirrus/pinctrl-cs47l92.c')
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l92.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/pinctrl/cirrus/pinctrl-cs47l92.c b/drivers/pinctrl/cirrus/pinctrl-cs47l92.c
new file mode 100644
index 000000000000..4e409734334e
--- /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),
+};