diff options
author | Chris Packham <chris.packham@alliedtelesis.co.nz> | 2022-04-15 11:30:53 +1200 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2022-04-18 01:15:34 +0200 |
commit | f8970fdc73173649d7615df50d73fd2117ea00ca (patch) | |
tree | 09eb86bc8abe92b046961d829650ee566f626701 /drivers/pinctrl/mvebu | |
parent | 9247752bac3a66a752f3f926c40996935da14e69 (diff) | |
download | lwn-f8970fdc73173649d7615df50d73fd2117ea00ca.tar.gz lwn-f8970fdc73173649d7615df50d73fd2117ea00ca.zip |
pinctrl: mvebu: pinctrl driver for 98DX2530 SoC
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@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220414233055.586962-3-chris.packham@alliedtelesis.co.nz
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/mvebu')
-rw-r--r-- | drivers/pinctrl/mvebu/Kconfig | 4 | ||||
-rw-r--r-- | drivers/pinctrl/mvebu/Makefile | 1 | ||||
-rw-r--r-- | drivers/pinctrl/mvebu/pinctrl-ac5.c | 261 |
3 files changed, 266 insertions, 0 deletions
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..292633e61129 --- /dev/null +++ b/drivers/pinctrl/mvebu/pinctrl-ac5.c @@ -0,0 +1,261 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Marvell ac5 pinctrl driver based on mvebu pinctrl core + * + * Copyright (C) 2021 Marvell + * + * Noam Liron <lnoam@marvell.com> + */ + +#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(1, "tsen_int", NULL), + MPP_FUNCTION(2, "uart2", "rxd"), + MPP_FUNCTION(3, "wd_int", NULL)), + MPP_MODE(19, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "dev_init_done", 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(1, "wd_int", NULL), + MPP_FUNCTION(2, "uart2", "txd"), + MPP_FUNCTION(3, "uartsd", "txd")), + MPP_MODE(25, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "int_out", NULL), + MPP_FUNCTION(2, "uart2", "rxd"), + MPP_FUNCTION(3, "uartsd", "rxd")), + MPP_MODE(26, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "i2c0", "sck"), + MPP_FUNCTION(2, "ptp", "clk1"), + MPP_FUNCTION(3, "uart3", "txd")), + MPP_MODE(27, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "i2c0", "sda"), + MPP_FUNCTION(2, "ptp", "pulse"), + MPP_FUNCTION(3, "uart3", "rxd")), + MPP_MODE(28, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "xg", "mdio"), + MPP_FUNCTION(2, "ge", "mdio"), + MPP_FUNCTION(3, "uart3", "txd")), + MPP_MODE(29, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "xg", "mdio"), + MPP_FUNCTION(2, "ge", "mdio"), + MPP_FUNCTION(3, "uart3", "rxd")), + MPP_MODE(30, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "xg", "mdio"), + MPP_FUNCTION(2, "ge", "mdio"), + MPP_FUNCTION(3, "ge", "mdio")), + MPP_MODE(31, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "xg", "mdio"), + MPP_FUNCTION(2, "ge", "mdio"), + MPP_FUNCTION(3, "ge", "mdio")), + 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_FUNCTION(2, "ptp", "clk1"), + MPP_FUNCTION(3, "ptp", "pulse")), + MPP_MODE(34, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "ge", "mdio"), + MPP_FUNCTION(2, "uart3", "rxd")), + MPP_MODE(35, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "ge", "mdio"), + MPP_FUNCTION(2, "uart3", "txd"), + MPP_FUNCTION(3, "pcie", "rstoutn")), + MPP_MODE(36, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "ptp", "clk0_tp"), + MPP_FUNCTION(2, "ptp", "clk1_tp")), + MPP_MODE(37, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "ptp", "pulse_tp"), + MPP_FUNCTION(2, "wd_int", NULL)), + MPP_MODE(38, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "synce", "clk_out0")), + MPP_MODE(39, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "synce", "clk_out1")), + MPP_MODE(40, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "ptp", "pclk_out0"), + MPP_FUNCTION(2, "ptp", "pclk_out1")), + MPP_MODE(41, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "ptp", "ref_clk"), + MPP_FUNCTION(2, "ptp", "clk1"), + MPP_FUNCTION(3, "ptp", "pulse"), + MPP_FUNCTION(4, "uart2", "txd"), + MPP_FUNCTION(5, "i2c1", "sck")), + MPP_MODE(42, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "ptp", "clk0"), + MPP_FUNCTION(2, "ptp", "clk1"), + MPP_FUNCTION(3, "ptp", "pulse"), + MPP_FUNCTION(4, "uart2", "rxd"), + MPP_FUNCTION(5, "i2c1", "sda")), + MPP_MODE(43, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "led", "clk")), + MPP_MODE(44, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "led", "stb")), + MPP_MODE(45, + MPP_FUNCTION(0, "gpio", NULL), + MPP_FUNCTION(1, "led", "data")), +}; + +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_mmio_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; + + 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_mmio_probe(pdev); +} + +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); |