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authorCharles Keepax <ckeepax@opensource.cirrus.com>2019-07-22 12:10:15 +0300
committerLinus Walleij <linus.walleij@linaro.org>2019-08-05 12:48:03 +0300
commita1db8da7c28131ceb3200732e429eb9d30ce5929 (patch)
tree7cc8825937db5724e5449fabd08ae7c15fc9fa6c /drivers/pinctrl/cirrus
parentb0bca3e4ee934a3f06e6ddb4337c679f54575009 (diff)
downloadlinux-a1db8da7c28131ceb3200732e429eb9d30ce5929.tar.xz
pinctrl: madera: Add configuration for Cirrus Logic CS47L92
This adds the pinctrl configuration for the CS47L92 codec to the madera pinctrl driver. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20190722091015.20884-3-ckeepax@opensource.cirrus.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/cirrus')
-rw-r--r--drivers/pinctrl/cirrus/Kconfig3
-rw-r--r--drivers/pinctrl/cirrus/Makefile3
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-cs47l92.c40
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-madera-core.c16
-rw-r--r--drivers/pinctrl/cirrus/pinctrl-madera.h1
5 files changed, 63 insertions, 0 deletions
diff --git a/drivers/pinctrl/cirrus/Kconfig b/drivers/pinctrl/cirrus/Kconfig
index ef01a0b06273..f1806fd781a0 100644
--- a/drivers/pinctrl/cirrus/Kconfig
+++ b/drivers/pinctrl/cirrus/Kconfig
@@ -26,3 +26,6 @@ config PINCTRL_CS47L85
config PINCTRL_CS47L90
bool
+
+config PINCTRL_CS47L92
+ bool
diff --git a/drivers/pinctrl/cirrus/Makefile b/drivers/pinctrl/cirrus/Makefile
index 491bcb658d8e..a484518c840e 100644
--- a/drivers/pinctrl/cirrus/Makefile
+++ b/drivers/pinctrl/cirrus/Makefile
@@ -15,5 +15,8 @@ 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-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),
+};
diff --git a/drivers/pinctrl/cirrus/pinctrl-madera-core.c b/drivers/pinctrl/cirrus/pinctrl-madera-core.c
index 64281ad5c1b9..e2f72dcce4c9 100644
--- a/drivers/pinctrl/cirrus/pinctrl-madera-core.c
+++ b/drivers/pinctrl/cirrus/pinctrl-madera-core.c
@@ -396,6 +396,16 @@ static const struct {
.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,
@@ -1022,6 +1032,12 @@ static int madera_pin_probe(struct platform_device *pdev)
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;
}
diff --git a/drivers/pinctrl/cirrus/pinctrl-madera.h b/drivers/pinctrl/cirrus/pinctrl-madera.h
index a10f0238dd92..c16a4dc19a2a 100644
--- a/drivers/pinctrl/cirrus/pinctrl-madera.h
+++ b/drivers/pinctrl/cirrus/pinctrl-madera.h
@@ -34,5 +34,6 @@ 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