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linux/drivers/pinctrl/mvebu/pinctrl-armada-xp.c

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/*
* Marvell Armada XP pinctrl driver based on mvebu pinctrl core
*
* Copyright (C) 2012 Marvell
*
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This file supports the three variants of Armada XP SoCs that are
* available: mv78230, mv78260 and mv78460. From a pin muxing
* perspective, the mv78230 has 49 MPP pins. The mv78260 and mv78460
* both have 67 MPP pins (more GPIOs and address lines for the memory
* bus mainly).
*/
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/bitops.h>
#include "pinctrl-mvebu.h"
static void __iomem *mpp_base;
static u32 *mpp_saved_regs;
static int armada_xp_mpp_ctrl_get(unsigned pid, unsigned long *config)
{
return default_mpp_ctrl_get(mpp_base, pid, config);
}
static int armada_xp_mpp_ctrl_set(unsigned pid, unsigned long config)
{
return default_mpp_ctrl_set(mpp_base, pid, config);
}
enum armada_xp_variant {
V_MV78230 = BIT(0),
V_MV78260 = BIT(1),
V_MV78460 = BIT(2),
V_MV78230_PLUS = (V_MV78230 | V_MV78260 | V_MV78460),
V_MV78260_PLUS = (V_MV78260 | V_MV78460),
};
static struct mvebu_mpp_mode armada_xp_mpp_modes[] = {
MPP_MODE(0,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txclkout", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d0", V_MV78230_PLUS)),
MPP_MODE(1,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d1", V_MV78230_PLUS)),
MPP_MODE(2,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd1", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d2", V_MV78230_PLUS)),
MPP_MODE(3,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd2", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d3", V_MV78230_PLUS)),
MPP_MODE(4,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd3", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d4", V_MV78230_PLUS)),
MPP_MODE(5,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txctl", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d5", V_MV78230_PLUS)),
MPP_MODE(6,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d6", V_MV78230_PLUS)),
MPP_MODE(7,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd1", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d7", V_MV78230_PLUS)),
MPP_MODE(8,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd2", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d8", V_MV78230_PLUS)),
MPP_MODE(9,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd3", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d9", V_MV78230_PLUS)),
MPP_MODE(10,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxctl", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d10", V_MV78230_PLUS)),
MPP_MODE(11,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxclk", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d11", V_MV78230_PLUS)),
MPP_MODE(12,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd4", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "txclkout", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d12", V_MV78230_PLUS)),
MPP_MODE(13,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd5", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "txd0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi1", "mosi", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d13", V_MV78230_PLUS)),
MPP_MODE(14,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd6", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "txd1", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi1", "sck", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d14", V_MV78230_PLUS)),
MPP_MODE(15,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txd7", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "txd2", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d15", V_MV78230_PLUS)),
MPP_MODE(16,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "txclk", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "txd3", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi1", "cs0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d16", V_MV78230_PLUS)),
MPP_MODE(17,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "col", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "txctl", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi1", "miso", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d17", V_MV78230_PLUS)),
MPP_MODE(18,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxerr", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "rxd0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "ptp", "trig", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d18", V_MV78230_PLUS)),
MPP_MODE(19,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "crs", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "rxd1", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "ptp", "evreq", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d19", V_MV78230_PLUS)),
MPP_MODE(20,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd4", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "rxd2", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "ptp", "clk", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d20", V_MV78230_PLUS)),
MPP_MODE(21,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd5", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "rxd3", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "dram", "bat", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d21", V_MV78230_PLUS)),
MPP_MODE(22,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd6", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "rxctl", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "sata0", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d22", V_MV78230_PLUS)),
MPP_MODE(23,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ge0", "rxd7", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "ge1", "rxclk", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "sata1", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "d23", V_MV78230_PLUS)),
MPP_MODE(24,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sata1", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "rst", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "hsync", V_MV78230_PLUS)),
MPP_MODE(25,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sata0", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "pclk", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "vsync", V_MV78230_PLUS)),
MPP_MODE(26,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "fsync", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "clk", V_MV78230_PLUS)),
MPP_MODE(27,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ptp", "trig", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "dtx", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "e", V_MV78230_PLUS)),
MPP_MODE(28,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ptp", "evreq", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "drx", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "pwm", V_MV78230_PLUS)),
MPP_MODE(29,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "ptp", "clk", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "ref-clk", V_MV78230_PLUS)),
MPP_MODE(30,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sd0", "clk", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int1", V_MV78230_PLUS)),
MPP_MODE(31,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sd0", "cmd", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int2", V_MV78230_PLUS)),
MPP_MODE(32,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sd0", "d0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int3", V_MV78230_PLUS)),
MPP_MODE(33,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sd0", "d1", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int4", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "dram", "bat", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x5, "dram", "vttctrl", V_MV78230_PLUS)),
MPP_MODE(34,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sd0", "d2", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "sata0", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int5", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "dram", "deccerr", V_MV78230_PLUS)),
MPP_MODE(35,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "sd0", "d3", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "sata1", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int6", V_MV78230_PLUS)),
MPP_MODE(36,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "spi0", "mosi", V_MV78230_PLUS)),
MPP_MODE(37,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "spi0", "miso", V_MV78230_PLUS)),
MPP_MODE(38,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "spi0", "sck", V_MV78230_PLUS)),
MPP_MODE(39,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "spi0", "cs0", V_MV78230_PLUS)),
MPP_MODE(40,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "spi0", "cs1", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart2", "cts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "vga-hsync", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x5, "pcie", "clkreq0", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x6, "spi1", "cs1", V_MV78230_PLUS)),
MPP_MODE(41,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "spi0", "cs2", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart2", "rts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "sata1", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "lcd", "vga-vsync", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x5, "pcie", "clkreq1", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x6, "spi1", "cs2", V_MV78230_PLUS)),
MPP_MODE(42,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "uart2", "rxd", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart0", "cts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "tdm", "int7", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "tdm", "timer", V_MV78230_PLUS)),
MPP_MODE(43,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "uart2", "txd", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart0", "rts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi0", "cs3", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "pcie", "rstout", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x6, "spi1", "cs3", V_MV78230_PLUS)),
MPP_MODE(44,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "uart2", "cts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart3", "rxd", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi0", "cs4", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "dram", "bat", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x5, "pcie", "clkreq2", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x6, "spi1", "cs4", V_MV78230_PLUS)),
MPP_MODE(45,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "uart2", "rts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart3", "txd", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi0", "cs5", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "sata1", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x5, "dram", "vttctrl", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x6, "spi1", "cs5", V_MV78230_PLUS)),
MPP_MODE(46,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "uart3", "rts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart1", "rts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi0", "cs6", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "sata0", "prsnt", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x6, "spi1", "cs6", V_MV78230_PLUS)),
MPP_MODE(47,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "uart3", "cts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "uart1", "cts", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "spi0", "cs7", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x4, "ref", "clkout", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x5, "pcie", "clkreq3", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x6, "spi1", "cs7", V_MV78230_PLUS)),
MPP_MODE(48,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "clkout", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x2, "dev", "burst/last", V_MV78230_PLUS),
MPP_VAR_FUNCTION(0x3, "nand", "rb", V_MV78230_PLUS)),
MPP_MODE(49,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "we3", V_MV78260_PLUS)),
MPP_MODE(50,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "we2", V_MV78260_PLUS)),
MPP_MODE(51,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad16", V_MV78260_PLUS)),
MPP_MODE(52,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad17", V_MV78260_PLUS)),
MPP_MODE(53,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad18", V_MV78260_PLUS)),
MPP_MODE(54,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad19", V_MV78260_PLUS)),
MPP_MODE(55,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad20", V_MV78260_PLUS)),
MPP_MODE(56,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad21", V_MV78260_PLUS)),
MPP_MODE(57,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad22", V_MV78260_PLUS)),
MPP_MODE(58,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad23", V_MV78260_PLUS)),
MPP_MODE(59,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad24", V_MV78260_PLUS)),
MPP_MODE(60,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad25", V_MV78260_PLUS)),
MPP_MODE(61,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad26", V_MV78260_PLUS)),
MPP_MODE(62,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad27", V_MV78260_PLUS)),
MPP_MODE(63,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad28", V_MV78260_PLUS)),
MPP_MODE(64,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad29", V_MV78260_PLUS)),
MPP_MODE(65,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad30", V_MV78260_PLUS)),
MPP_MODE(66,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_MV78260_PLUS),
MPP_VAR_FUNCTION(0x1, "dev", "ad31", V_MV78260_PLUS)),
};
static struct mvebu_pinctrl_soc_info armada_xp_pinctrl_info;
static const struct of_device_id armada_xp_pinctrl_of_match[] = {
{
.compatible = "marvell,mv78230-pinctrl",
.data = (void *) V_MV78230,
},
{
.compatible = "marvell,mv78260-pinctrl",
.data = (void *) V_MV78260,
},
{
.compatible = "marvell,mv78460-pinctrl",
.data = (void *) V_MV78460,
},
{ },
};
static struct mvebu_mpp_ctrl mv78230_mpp_controls[] = {
MPP_FUNC_CTRL(0, 48, NULL, armada_xp_mpp_ctrl),
};
static struct pinctrl_gpio_range mv78230_mpp_gpio_ranges[] = {
MPP_GPIO_RANGE(0, 0, 0, 32),
MPP_GPIO_RANGE(1, 32, 32, 17),
};
static struct mvebu_mpp_ctrl mv78260_mpp_controls[] = {
MPP_FUNC_CTRL(0, 66, NULL, armada_xp_mpp_ctrl),
};
static struct pinctrl_gpio_range mv78260_mpp_gpio_ranges[] = {
MPP_GPIO_RANGE(0, 0, 0, 32),
MPP_GPIO_RANGE(1, 32, 32, 32),
MPP_GPIO_RANGE(2, 64, 64, 3),
};
static struct mvebu_mpp_ctrl mv78460_mpp_controls[] = {
MPP_FUNC_CTRL(0, 66, NULL, armada_xp_mpp_ctrl),
};
static struct pinctrl_gpio_range mv78460_mpp_gpio_ranges[] = {
MPP_GPIO_RANGE(0, 0, 0, 32),
MPP_GPIO_RANGE(1, 32, 32, 32),
MPP_GPIO_RANGE(2, 64, 64, 3),
};
static int armada_xp_pinctrl_suspend(struct platform_device *pdev,
pm_message_t state)
{
struct mvebu_pinctrl_soc_info *soc =
platform_get_drvdata(pdev);
int i, nregs;
nregs = DIV_ROUND_UP(soc->nmodes, MVEBU_MPPS_PER_REG);
for (i = 0; i < nregs; i++)
mpp_saved_regs[i] = readl(mpp_base + i * 4);
return 0;
}
static int armada_xp_pinctrl_resume(struct platform_device *pdev)
{
struct mvebu_pinctrl_soc_info *soc =
platform_get_drvdata(pdev);
int i, nregs;
nregs = DIV_ROUND_UP(soc->nmodes, MVEBU_MPPS_PER_REG);
for (i = 0; i < nregs; i++)
writel(mpp_saved_regs[i], mpp_base + i * 4);
return 0;
}
static int armada_xp_pinctrl_probe(struct platform_device *pdev)
{
struct mvebu_pinctrl_soc_info *soc = &armada_xp_pinctrl_info;
const struct of_device_id *match =
of_match_device(armada_xp_pinctrl_of_match, &pdev->dev);
struct resource *res;
int nregs;
if (!match)
return -ENODEV;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mpp_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(mpp_base))
return PTR_ERR(mpp_base);
soc->variant = (unsigned) match->data & 0xff;
switch (soc->variant) {
case V_MV78230:
soc->controls = mv78230_mpp_controls;
soc->ncontrols = ARRAY_SIZE(mv78230_mpp_controls);
soc->modes = armada_xp_mpp_modes;
/* We don't necessarily want the full list of the
* armada_xp_mpp_modes, but only the first 'n' ones
* that are available on this SoC */
soc->nmodes = mv78230_mpp_controls[0].npins;
soc->gpioranges = mv78230_mpp_gpio_ranges;
soc->ngpioranges = ARRAY_SIZE(mv78230_mpp_gpio_ranges);
break;
case V_MV78260:
soc->controls = mv78260_mpp_controls;
soc->ncontrols = ARRAY_SIZE(mv78260_mpp_controls);
soc->modes = armada_xp_mpp_modes;
/* We don't necessarily want the full list of the
* armada_xp_mpp_modes, but only the first 'n' ones
* that are available on this SoC */
soc->nmodes = mv78260_mpp_controls[0].npins;
soc->gpioranges = mv78260_mpp_gpio_ranges;
soc->ngpioranges = ARRAY_SIZE(mv78260_mpp_gpio_ranges);
break;
case V_MV78460:
soc->controls = mv78460_mpp_controls;
soc->ncontrols = ARRAY_SIZE(mv78460_mpp_controls);
soc->modes = armada_xp_mpp_modes;
/* We don't necessarily want the full list of the
* armada_xp_mpp_modes, but only the first 'n' ones
* that are available on this SoC */
soc->nmodes = mv78460_mpp_controls[0].npins;
soc->gpioranges = mv78460_mpp_gpio_ranges;
soc->ngpioranges = ARRAY_SIZE(mv78460_mpp_gpio_ranges);
break;
}
nregs = DIV_ROUND_UP(soc->nmodes, MVEBU_MPPS_PER_REG);
mpp_saved_regs = devm_kmalloc(&pdev->dev, nregs * sizeof(u32),
GFP_KERNEL);
if (!mpp_saved_regs)
return -ENOMEM;
pdev->dev.platform_data = soc;
return mvebu_pinctrl_probe(pdev);
}
static struct platform_driver armada_xp_pinctrl_driver = {
.driver = {
.name = "armada-xp-pinctrl",
.of_match_table = armada_xp_pinctrl_of_match,
},
.probe = armada_xp_pinctrl_probe,
.suspend = armada_xp_pinctrl_suspend,
.resume = armada_xp_pinctrl_resume,
};
module_platform_driver(armada_xp_pinctrl_driver);
MODULE_AUTHOR("Thomas Petazzoni <thomas.petazzoni@free-electrons.com>");
MODULE_DESCRIPTION("Marvell Armada XP pinctrl driver");
MODULE_LICENSE("GPL v2");
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