Add pin configuration and pinmux support for UniPhier PH1-LD4 SoC.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
Changes in v2: - Add input-enable settings - Sync pin-mux table with Linux pinctrl driver
drivers/pinctrl/uniphier/Kconfig | 6 ++ drivers/pinctrl/uniphier/Makefile | 2 + drivers/pinctrl/uniphier/pinctrl-ph1-ld4.c | 133 +++++++++++++++++++++++++++++ 3 files changed, 141 insertions(+) create mode 100644 drivers/pinctrl/uniphier/pinctrl-ph1-ld4.c
diff --git a/drivers/pinctrl/uniphier/Kconfig b/drivers/pinctrl/uniphier/Kconfig index 29a623d..03593cd 100644 --- a/drivers/pinctrl/uniphier/Kconfig +++ b/drivers/pinctrl/uniphier/Kconfig @@ -3,4 +3,10 @@ if ARCH_UNIPHIER config PINCTRL_UNIPHIER_CORE bool
+config PINCTRL_UNIPHIER_PH1_LD4 + bool "UniPhier PH1-LD4 SoC pinctrl driver" + depends on MACH_PH1_LD4 + default y + select PINCTRL_UNIPHIER_CORE + endif diff --git a/drivers/pinctrl/uniphier/Makefile b/drivers/pinctrl/uniphier/Makefile index 748aa1b..b4bd042 100644 --- a/drivers/pinctrl/uniphier/Makefile +++ b/drivers/pinctrl/uniphier/Makefile @@ -1 +1,3 @@ obj-$(CONFIG_PINCTRL_UNIPHIER_CORE) += pinctrl-uniphier-core.o + +obj-$(CONFIG_PINCTRL_UNIPHIER_PH1_LD4) += pinctrl-ph1-ld4.o diff --git a/drivers/pinctrl/uniphier/pinctrl-ph1-ld4.c b/drivers/pinctrl/uniphier/pinctrl-ph1-ld4.c new file mode 100644 index 0000000..7c7cfe6 --- /dev/null +++ b/drivers/pinctrl/uniphier/pinctrl-ph1-ld4.c @@ -0,0 +1,133 @@ +/* + * Copyright (C) 2015 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 struct uniphier_pinctrl_pin ph1_ld4_pins[] = { + UNIPHIER_PINCTRL_PIN(53, 0), + UNIPHIER_PINCTRL_PIN(54, 0), + UNIPHIER_PINCTRL_PIN(55, 0), + UNIPHIER_PINCTRL_PIN(56, 0), + UNIPHIER_PINCTRL_PIN(67, 0), + UNIPHIER_PINCTRL_PIN(68, 0), + UNIPHIER_PINCTRL_PIN(69, 0), + UNIPHIER_PINCTRL_PIN(70, 0), + UNIPHIER_PINCTRL_PIN(85, 0), + UNIPHIER_PINCTRL_PIN(88, 0), + UNIPHIER_PINCTRL_PIN(156, 0), +}; + +static const unsigned emmc_pins[] = {21, 22, 23, 24, 25, 26, 27}; +static const unsigned emmc_muxvals[] = {0, 1, 1, 1, 1, 1, 1}; +static const unsigned emmc_dat8_pins[] = {28, 29, 30, 31}; +static const unsigned emmc_dat8_muxvals[] = {1, 1, 1, 1}; +static const unsigned i2c0_pins[] = {102, 103}; +static const unsigned i2c0_muxvals[] = {0, 0}; +static const unsigned i2c1_pins[] = {104, 105}; +static const unsigned i2c1_muxvals[] = {0, 0}; +static const unsigned i2c2_pins[] = {108, 109}; +static const unsigned i2c2_muxvals[] = {2, 2}; +static const unsigned i2c3_pins[] = {108, 109}; +static const unsigned i2c3_muxvals[] = {3, 3}; +static const unsigned nand_pins[] = {24, 25, 26, 27, 28, 29, 30, 31, 158, 159, + 160, 161, 162, 163, 164}; +static const unsigned nand_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0}; +static const unsigned nand_cs1_pins[] = {22, 23}; +static const unsigned nand_cs1_muxvals[] = {0, 0}; +static const unsigned uart0_pins[] = {85, 88}; +static const unsigned uart0_muxvals[] = {1, 1}; +static const unsigned uart1_pins[] = {155, 156}; +static const unsigned uart1_muxvals[] = {13, 13}; +static const unsigned uart1b_pins[] = {69, 70}; +static const unsigned uart1b_muxvals[] = {23, 23}; +static const unsigned uart2_pins[] = {128, 129}; +static const unsigned uart2_muxvals[] = {13, 13}; +static const unsigned uart3_pins[] = {110, 111}; +static const unsigned uart3_muxvals[] = {1, 1}; +static const unsigned usb0_pins[] = {53, 54}; +static const unsigned usb0_muxvals[] = {0, 0}; +static const unsigned usb1_pins[] = {55, 56}; +static const unsigned usb1_muxvals[] = {0, 0}; +static const unsigned usb2_pins[] = {155, 156}; +static const unsigned usb2_muxvals[] = {4, 4}; +static const unsigned usb2b_pins[] = {67, 68}; +static const unsigned usb2b_muxvals[] = {23, 23}; +static const unsigned sd_pins[] = {44, 45, 46, 47, 48, 49, 50, 51, 52}; +static const unsigned sd_muxvals[] = {0, 0, 0, 0, 0, 0, 0, 0, 0}; + +static const struct uniphier_pinctrl_group ph1_ld4_groups[] = { + UNIPHIER_PINCTRL_GROUP(emmc), + UNIPHIER_PINCTRL_GROUP(emmc_dat8), + UNIPHIER_PINCTRL_GROUP(i2c0), + UNIPHIER_PINCTRL_GROUP(i2c1), + UNIPHIER_PINCTRL_GROUP(i2c2), + UNIPHIER_PINCTRL_GROUP(i2c3), + UNIPHIER_PINCTRL_GROUP(nand), + UNIPHIER_PINCTRL_GROUP(nand_cs1), + UNIPHIER_PINCTRL_GROUP(uart0), + UNIPHIER_PINCTRL_GROUP(uart1), + UNIPHIER_PINCTRL_GROUP(uart1b), + UNIPHIER_PINCTRL_GROUP(uart2), + UNIPHIER_PINCTRL_GROUP(uart3), + UNIPHIER_PINCTRL_GROUP(usb0), + UNIPHIER_PINCTRL_GROUP(usb1), + UNIPHIER_PINCTRL_GROUP(usb2), + UNIPHIER_PINCTRL_GROUP(usb2b), + UNIPHIER_PINCTRL_GROUP(sd), +}; + +static const char * const ph1_ld4_functions[] = { + "emmc", + "i2c0", + "i2c1", + "i2c2", + "i2c3", + "nand", + "uart0", + "uart1", + "uart2", + "uart3", + "usb0", + "usb1", + "usb2", + "sd", +}; + +static struct uniphier_pinctrl_socdata ph1_ld4_pinctrl_socdata = { + .pins = ph1_ld4_pins, + .pins_count = ARRAY_SIZE(ph1_ld4_pins), + .groups = ph1_ld4_groups, + .groups_count = ARRAY_SIZE(ph1_ld4_groups), + .functions = ph1_ld4_functions, + .functions_count = ARRAY_SIZE(ph1_ld4_functions), + .mux_bits = 8, + .reg_stride = 4, + .load_pinctrl = false, +}; + +static int ph1_ld4_pinctrl_probe(struct udevice *dev) +{ + return uniphier_pinctrl_probe(dev, &ph1_ld4_pinctrl_socdata); +} + +static const struct udevice_id ph1_ld4_pinctrl_match[] = { + { .compatible = "socionext,ph1-ld4-pinctrl" }, + { /* sentinel */ } +}; + +U_BOOT_DRIVER(ph1_ld4_pinctrl) = { + .name = "ph1-ld4-pinctrl", + .id = UCLASS_PINCTRL, + .of_match = of_match_ptr(ph1_ld4_pinctrl_match), + .probe = ph1_ld4_pinctrl_probe, + .remove = uniphier_pinctrl_remove, + .priv_auto_alloc_size = sizeof(struct uniphier_pinctrl_priv), + .ops = &uniphier_pinctrl_ops, +};