pinctrl: uniphier: support UniPhier PH1-LD20 pinctrl driver

Add pin configuration and pinmux support for UniPhier PH1-LD20 SoC.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

3 files changed, 120 insertions, 0 deletions

diff --git a/drivers/pinctrl/uniphier/Kconfig b/drivers/pinctrl/uniphier/Kconfig
index d22d485a3c..626df8e796 100644
--- a/drivers/pinctrl/uniphier/Kconfig
+++ b/drivers/pinctrl/uniphier/Kconfig
@@ -39,4 +39,10 @@ config PINCTRL_UNIPHIER_LD6B
 	default y
 	select PINCTRL_UNIPHIER
 
+config PINCTRL_UNIPHIER_LD20
+	bool "UniPhier PH1-LD20 SoC pinctrl driver"
+	depends on ARCH_UNIPHIER_LD20
+	default y
+	select PINCTRL_UNIPHIER
+
 endif
diff --git a/drivers/pinctrl/uniphier/Makefile b/drivers/pinctrl/uniphier/Makefile
index c6cc13da57..bea4dd8630 100644
--- a/drivers/pinctrl/uniphier/Makefile
+++ b/drivers/pinctrl/uniphier/Makefile
@@ -10,3 +10,4 @@ obj-$(CONFIG_PINCTRL_UNIPHIER_SLD8)	+= pinctrl-uniphier-sld8.o
 obj-$(CONFIG_PINCTRL_UNIPHIER_PRO5)	+= pinctrl-uniphier-pro5.o
 obj-$(CONFIG_PINCTRL_UNIPHIER_PXS2)	+= pinctrl-uniphier-pxs2.o
 obj-$(CONFIG_PINCTRL_UNIPHIER_LD6B)	+= pinctrl-uniphier-ld6b.o
+obj-$(CONFIG_PINCTRL_UNIPHIER_LD20)	+= pinctrl-uniphier-ld20.o
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
new file mode 100644
index 0000000000..8cb800335a
--- /dev/null
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-ld20.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <dm/device.h>
+#include <dm/pinctrl.h>
+
+#include "pinctrl-uniphier.h"
+
+static const unsigned emmc_pins[] = {18, 19, 20, 21, 22, 23, 24, 25};
+static const unsigned emmc_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0};
+static const unsigned emmc_dat8_pins[] = {26, 27, 28, 29};
+static const unsigned emmc_dat8_muxvals[] = {0, 0, 0, 0};
+static const unsigned i2c0_pins[] = {63, 64};
+static const unsigned i2c0_muxvals[] = {0, 0};
+static const unsigned i2c1_pins[] = {65, 66};
+static const unsigned i2c1_muxvals[] = {0, 0};
+static const unsigned i2c3_pins[] = {67, 68};
+static const unsigned i2c3_muxvals[] = {1, 1};
+static const unsigned i2c4_pins[] = {61, 62};
+static const unsigned i2c4_muxvals[] = {1, 1};
+static const unsigned nand_pins[] = {3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+				     15, 16};
+static const unsigned nand_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+					0, 0};
+static const unsigned nand_cs1_pins[] = {};
+static const unsigned nand_cs1_muxvals[] = {};
+static const unsigned sd_pins[] = {10, 11, 12, 13, 14, 15, 16, 17};
+static const unsigned sd_muxvals[] = {8, 8, 8, 8, 8, 8, 8, 8};  /* No SDVOLC */
+static const unsigned uart0_pins[] = {54, 55};
+static const unsigned uart0_muxvals[] = {0, 0};
+static const unsigned uart1_pins[] = {58, 59};
+static const unsigned uart1_muxvals[] = {1, 1};
+static const unsigned uart2_pins[] = {90, 91};
+static const unsigned uart2_muxvals[] = {1, 1};
+static const unsigned uart3_pins[] = {94, 95};
+static const unsigned uart3_muxvals[] = {1, 1};
+static const unsigned usb0_pins[] = {46, 47};
+static const unsigned usb0_muxvals[] = {0, 0};
+static const unsigned usb1_pins[] = {48, 49};
+static const unsigned usb1_muxvals[] = {0, 0};
+static const unsigned usb2_pins[] = {50, 51};
+static const unsigned usb2_muxvals[] = {0, 0};
+static const unsigned usb3_pins[] = {52, 53};
+static const unsigned usb3_muxvals[] = {0, 0};
+
+static const struct uniphier_pinctrl_group uniphier_ld20_groups[] = {
+	UNIPHIER_PINCTRL_GROUP(emmc),
+	UNIPHIER_PINCTRL_GROUP(emmc_dat8),
+	UNIPHIER_PINCTRL_GROUP(i2c0),
+	UNIPHIER_PINCTRL_GROUP(i2c1),
+	UNIPHIER_PINCTRL_GROUP(i2c3),
+	UNIPHIER_PINCTRL_GROUP(i2c4),
+	UNIPHIER_PINCTRL_GROUP(nand),
+	UNIPHIER_PINCTRL_GROUP(nand_cs1),
+	UNIPHIER_PINCTRL_GROUP(sd),
+	UNIPHIER_PINCTRL_GROUP(uart0),
+	UNIPHIER_PINCTRL_GROUP(uart1),
+	UNIPHIER_PINCTRL_GROUP(uart2),
+	UNIPHIER_PINCTRL_GROUP(uart3),
+	UNIPHIER_PINCTRL_GROUP(usb0),
+	UNIPHIER_PINCTRL_GROUP(usb1),
+	UNIPHIER_PINCTRL_GROUP(usb2),
+	UNIPHIER_PINCTRL_GROUP(usb3),
+};
+
+static const char * const uniphier_ld20_functions[] = {
+	"emmc",
+	"i2c0",
+	"i2c1",
+	"i2c3",
+	"i2c4",
+	"nand",
+	"sd",
+	"uart0",
+	"uart1",
+	"uart2",
+	"uart3",
+	"usb0",
+	"usb1",
+	"usb2",
+	"usb3",
+};
+
+static struct uniphier_pinctrl_socdata uniphier_ld20_pinctrl_socdata = {
+	.groups = uniphier_ld20_groups,
+	.groups_count = ARRAY_SIZE(uniphier_ld20_groups),
+	.functions = uniphier_ld20_functions,
+	.functions_count = ARRAY_SIZE(uniphier_ld20_functions),
+	.caps = UNIPHIER_PINCTRL_CAPS_PERPIN_IECTRL,
+};
+
+static int uniphier_ld20_pinctrl_probe(struct udevice *dev)
+{
+	return uniphier_pinctrl_probe(dev, &uniphier_ld20_pinctrl_socdata);
+}
+
+static const struct udevice_id uniphier_ld20_pinctrl_match[] = {
+	{ .compatible = "socionext,ph1-ld20-pinctrl" },
+	{ /* sentinel */ }
+};
+
+U_BOOT_DRIVER(uniphier_ld20_pinctrl) = {
+	.name = "uniphier-ld20-pinctrl",
+	.id = UCLASS_PINCTRL,
+	.of_match = of_match_ptr(uniphier_ld20_pinctrl_match),
+	.probe = uniphier_ld20_pinctrl_probe,
+	.remove = uniphier_pinctrl_remove,
+	.priv_auto_alloc_size = sizeof(struct uniphier_pinctrl_priv),
+	.ops = &uniphier_pinctrl_ops,
+};