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remarkable-linux/drivers/pinctrl/mvebu/pinctrl-armada-xp.c
Thomas Petazzoni b19bf37976 pinctrl: mvebu: armada-xp: add dram functions 
The latest Armada XP datasheet documents several new DRAM related
functions on various MPPs. This commit adds the description of these
new functions in the Armada XP pinctrl driver and its DT binding
documentation.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-10 14:11:50 +02:00

526 lines
22 KiB
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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 int armada_xp_pinctrl_remove(struct platform_device *pdev)
{
return mvebu_pinctrl_remove(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,
.remove = armada_xp_pinctrl_remove,
.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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