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linux/drivers/pinctrl/mvebu/pinctrl-ac5.c
Chris Packham f8970fdc73 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>
2022-04-18 01:15:34 +02:00

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7.5 KiB
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// 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);
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