This pinctrl driver supports the 98DX25xx and 98DX35xx family of chips from Marvell. It is based on the Marvell SDK with additions for various (non-gpio) pin configurations based on the datasheet. Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> --- drivers/pinctrl/mvebu/Kconfig | 4 + drivers/pinctrl/mvebu/Makefile | 1 + drivers/pinctrl/mvebu/pinctrl-ac5.c | 226 ++++++++++++++++++++++++++++ 3 files changed, 231 insertions(+) create mode 100644 drivers/pinctrl/mvebu/pinctrl-ac5.c diff --git a/drivers/pinctrl/mvebu/Kconfig b/drivers/pinctrl/mvebu/Kconfig index 0d12894d3ee1..aa5883f09d7b 100644 --- a/drivers/pinctrl/mvebu/Kconfig +++ b/drivers/pinctrl/mvebu/Kconfig @@ -45,6 +45,10 @@ config PINCTRL_ORION bool select PINCTRL_MVEBU +config PINCTRL_AC5 + bool + select PINCTRL_MVEBU + config PINCTRL_ARMADA_37XX bool select GENERIC_PINCONF diff --git a/drivers/pinctrl/mvebu/Makefile b/drivers/pinctrl/mvebu/Makefile index cd082dca4482..23458ab17c53 100644 --- a/drivers/pinctrl/mvebu/Makefile +++ b/drivers/pinctrl/mvebu/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_PINCTRL_ARMADA_CP110) += pinctrl-armada-cp110.o obj-$(CONFIG_PINCTRL_ARMADA_XP) += pinctrl-armada-xp.o obj-$(CONFIG_PINCTRL_ARMADA_37XX) += pinctrl-armada-37xx.o obj-$(CONFIG_PINCTRL_ORION) += pinctrl-orion.o +obj-$(CONFIG_PINCTRL_AC5) += pinctrl-ac5.o diff --git a/drivers/pinctrl/mvebu/pinctrl-ac5.c b/drivers/pinctrl/mvebu/pinctrl-ac5.c new file mode 100644 index 000000000000..452c8a6c2a30 --- /dev/null +++ b/drivers/pinctrl/mvebu/pinctrl-ac5.c @@ -0,0 +1,226 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Marvell ac5 pinctrl driver based on mvebu pinctrl core + * + * Copyright (C) 2021 Marvell + * + * Noam Liron <lnoam@xxxxxxxxxxx> + */ + +#include <linux/err.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pinctrl/pinctrl.h> + +#include "pinctrl-mvebu.h" + +static struct mvebu_mpp_mode ac5_mpp_modes[] = { + MPP_MODE(0, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d0"), + MPP_FUNCTION(2, "nand", "io4")), + MPP_MODE(1, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d1"), + MPP_FUNCTION(2, "nand", "io3")), + MPP_MODE(2, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d2"), + MPP_FUNCTION(2, "nand", "io2")), + MPP_MODE(3, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d3"), + MPP_FUNCTION(2, "nand", "io7")), + MPP_MODE(4, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d4"), + MPP_FUNCTION(2, "nand", "io6"), + MPP_FUNCTION(3, "uart3", "txd"), + MPP_FUNCTION(4, "uart2", "txd")), + MPP_MODE(5, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d5"), + MPP_FUNCTION(2, "nand", "io5"), + MPP_FUNCTION(3, "uart3", "rxd"), + MPP_FUNCTION(4, "uart2", "rxd")), + MPP_MODE(6, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d6"), + MPP_FUNCTION(2, "nand", "io0"), + MPP_FUNCTION(3, "i2c1", "sck")), + MPP_MODE(7, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "d7"), + MPP_FUNCTION(2, "nand", "io1"), + MPP_FUNCTION(3, "i2c1", "sda")), + MPP_MODE(8, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "clk"), + MPP_FUNCTION(2, "nand", "wen")), + MPP_MODE(9, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "cmd"), + MPP_FUNCTION(2, "nand", "ale")), + MPP_MODE(10, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "ds"), + MPP_FUNCTION(2, "nand", "cle")), + MPP_MODE(11, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "sdio", "rst"), + MPP_FUNCTION(2, "nand", "cen")), + MPP_MODE(12, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "spi0", "clk")), + MPP_MODE(13, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "spi0", "csn")), + MPP_MODE(14, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "spi0", "mosi")), + MPP_MODE(15, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "spi0", "miso")), + MPP_MODE(16, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "spi0", "wpn"), + MPP_FUNCTION(2, "nand", "ren"), + MPP_FUNCTION(3, "uart1", "txd")), + MPP_MODE(17, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "spi0", "hold"), + MPP_FUNCTION(2, "nand", "rb"), + MPP_FUNCTION(3, "uart1", "rxd")), + MPP_MODE(18, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "uart2", "rxd")), + MPP_MODE(19, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "uart2", "txd")), + MPP_MODE(20, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "i2c1", "sck"), + MPP_FUNCTION(3, "spi1", "clk"), + MPP_FUNCTION(4, "uart3", "txd")), + MPP_MODE(21, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "i2c1", "sda"), + MPP_FUNCTION(3, "spi1", "csn"), + MPP_FUNCTION(4, "uart3", "rxd")), + MPP_MODE(22, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(3, "spi1", "mosi")), + MPP_MODE(23, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(3, "spi1", "miso")), + MPP_MODE(24, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "uart2", "txd")), + MPP_MODE(25, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "uart2", "rxd")), + MPP_MODE(26, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "i2c0", "sck"), + MPP_FUNCTION(3, "uart3", "txd")), + MPP_MODE(27, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "i2c0", "sda"), + MPP_FUNCTION(3, "uart3", "rxd")), + MPP_MODE(28, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(3, "uart3", "txd")), + MPP_MODE(29, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(3, "uart3", "rxd")), + MPP_MODE(30, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(31, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(32, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "uart0", "txd")), + MPP_MODE(33, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "uart0", "rxd")), + MPP_MODE(34, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "uart3", "rxd")), + MPP_MODE(35, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(2, "uart3", "txd")), + MPP_MODE(36, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(37, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(38, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(39, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(40, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(41, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(4, "uart2", "txd"), + MPP_FUNCTION(5, "i2c1", "sck")), + MPP_MODE(42, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(4, "uart2", "rxd"), + MPP_FUNCTION(5, "i2c1", "sda")), + MPP_MODE(43, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(44, + MPP_FUNCTION(0, "gpio", NULL)), + MPP_MODE(45, + MPP_FUNCTION(0, "gpio", NULL)), +}; + +static struct mvebu_pinctrl_soc_info ac5_pinctrl_info; + +static const struct of_device_id ac5_pinctrl_of_match[] = { + { + .compatible = "marvell,ac5-pinctrl", + }, + { }, +}; + +static const struct mvebu_mpp_ctrl ac5_mpp_controls[] = { + MPP_FUNC_CTRL(0, 45, NULL, mvebu_regmap_mpp_ctrl), }; + +static struct pinctrl_gpio_range ac5_mpp_gpio_ranges[] = { + MPP_GPIO_RANGE(0, 0, 0, 46), }; + +static int ac5_pinctrl_probe(struct platform_device *pdev) +{ + struct mvebu_pinctrl_soc_info *soc = &ac5_pinctrl_info; + const struct of_device_id *match = + of_match_device(ac5_pinctrl_of_match, &pdev->dev); + + if (!match || !pdev->dev.parent) + return -ENODEV; + + soc->variant = 0; /* no variants for ac5 */ + soc->controls = ac5_mpp_controls; + soc->ncontrols = ARRAY_SIZE(ac5_mpp_controls); + soc->gpioranges = ac5_mpp_gpio_ranges; + soc->ngpioranges = ARRAY_SIZE(ac5_mpp_gpio_ranges); + soc->modes = ac5_mpp_modes; + soc->nmodes = ac5_mpp_controls[0].npins; + + pdev->dev.platform_data = soc; + + return mvebu_pinctrl_simple_regmap_probe(pdev, &pdev->dev, 0); +} + +static struct platform_driver ac5_pinctrl_driver = { + .driver = { + .name = "ac5-pinctrl", + .of_match_table = of_match_ptr(ac5_pinctrl_of_match), + }, + .probe = ac5_pinctrl_probe, +}; + +builtin_platform_driver(ac5_pinctrl_driver); -- 2.35.1