text: // SPDX-License-Identifier: GPL-2.0-only
  /*
   *  linux/drivers/pinctrl/pinmux-xway.c
   *  based on linux/drivers/pinctrl/pinmux-pxa910.c
   *
   *  Copyright (C) 2012 John Crispin <john@phrozen.org>
   *  Copyright (C) 2015 Martin Schiller <mschiller@tdt.de>
   */
  
  #include <linux/err.h>
  #include <linux/slab.h>
  #include <linux/module.h>
  #include <linux/of_platform.h>
  #include <linux/of_address.h>
  #include <linux/of_gpio.h>
  #include <linux/ioport.h>
  #include <linux/io.h>
  #include <linux/device.h>
  #include <linux/platform_device.h>
  
  #include "pinctrl-lantiq.h"
  
  #include <lantiq_soc.h>
  
  /* we have up to 4 banks of 16 bit each */
  #define PINS			16
  #define PORT3			3
  #define PORT(x)			(x / PINS)
  #define PORT_PIN(x)		(x % PINS)
  
  /* we have 2 mux bits that can be set for each pin */
  #define MUX_ALT0	0x1
  #define MUX_ALT1	0x2
  
  /*
   * each bank has this offset apart from the 4th bank that is mixed into the
   * other 3 ranges
   */
  #define REG_OFF			0x30
  
  /* these are the offsets to our registers */
  #define GPIO_BASE(p)		(REG_OFF * PORT(p))
  #define GPIO_OUT(p)		GPIO_BASE(p)
  #define GPIO_IN(p)		(GPIO_BASE(p) + 0x04)
  #define GPIO_DIR(p)		(GPIO_BASE(p) + 0x08)
  #define GPIO_ALT0(p)		(GPIO_BASE(p) + 0x0C)
  #define GPIO_ALT1(p)		(GPIO_BASE(p) + 0x10)
  #define GPIO_OD(p)		(GPIO_BASE(p) + 0x14)
  #define GPIO_PUDSEL(p)		(GPIO_BASE(p) + 0x1c)
  #define GPIO_PUDEN(p)		(GPIO_BASE(p) + 0x20)
  
  /* the 4th port needs special offsets for some registers */
  #define GPIO3_OD		(GPIO_BASE(0) + 0x24)
  #define GPIO3_PUDSEL		(GPIO_BASE(0) + 0x28)
  #define GPIO3_PUDEN		(GPIO_BASE(0) + 0x2C)
  #define GPIO3_ALT1		(GPIO_BASE(PINS) + 0x24)
  
  /* macros to help us access the registers */
  #define gpio_getbit(m, r, p)	(!!(ltq_r32(m + r) & BIT(p)))
  #define gpio_setbit(m, r, p)	ltq_w32_mask(0, BIT(p), m + r)
  #define gpio_clearbit(m, r, p)	ltq_w32_mask(BIT(p), 0, m + r)
  
  #define MFP_XWAY(a, f0, f1, f2, f3)	\
  	{				\
  		.name = #a,		\
  		.pin = a,		\
  		.func = {		\
  			XWAY_MUX_##f0,	\
  			XWAY_MUX_##f1,	\
  			XWAY_MUX_##f2,	\
  			XWAY_MUX_##f3,	\
  		},			\
  	}
  
  #define GRP_MUX(a, m, p)		\
  	{ .name = a, .mux = XWAY_MUX_##m, .pins = p, .npins = ARRAY_SIZE(p), }
  
  #define FUNC_MUX(f, m)		\
  	{ .func = f, .mux = XWAY_MUX_##m, }
  
  enum xway_mux {
  	XWAY_MUX_GPIO = 0,
  	XWAY_MUX_SPI,
  	XWAY_MUX_ASC,
  	XWAY_MUX_USIF,
  	XWAY_MUX_PCI,
  	XWAY_MUX_CBUS,
  	XWAY_MUX_CGU,
  	XWAY_MUX_EBU,
  	XWAY_MUX_EBU2,
  	XWAY_MUX_JTAG,
  	XWAY_MUX_MCD,
  	XWAY_MUX_EXIN,
  	XWAY_MUX_TDM,
  	XWAY_MUX_STP,
  	XWAY_MUX_SIN,
  	XWAY_MUX_GPT,
  	XWAY_MUX_NMI,
  	XWAY_MUX_MDIO,
  	XWAY_MUX_MII,
  	XWAY_MUX_EPHY,
  	XWAY_MUX_DFE,
  	XWAY_MUX_SDIO,
  	XWAY_MUX_GPHY,
  	XWAY_MUX_SSI,
  	XWAY_MUX_WIFI,
  	XWAY_MUX_NONE = 0xffff,
  };
  
  /* ---------  DEPRECATED: xr9 related code --------- */
  /* ----------  use xrx100/xrx200 instead  ---------- */
  #define XR9_MAX_PIN		56
  
  static const struct ltq_mfp_pin xway_mfp[] = {
  	/*       pin    f0	f1	f2	f3   */
  	MFP_XWAY(GPIO0, GPIO,	EXIN,	NONE,	TDM),
  	MFP_XWAY(GPIO1, GPIO,	EXIN,	NONE,	NONE),
  	MFP_XWAY(GPIO2, GPIO,	CGU,	EXIN,	GPHY),
  	MFP_XWAY(GPIO3, GPIO,	CGU,	NONE,	PCI),
  	MFP_XWAY(GPIO4, GPIO,	STP,	NONE,	ASC),
  	MFP_XWAY(GPIO5, GPIO,	STP,	GPHY,	NONE),
  	MFP_XWAY(GPIO6, GPIO,	STP,	GPT,	ASC),
  	MFP_XWAY(GPIO7, GPIO,	CGU,	PCI,	GPHY),
  	MFP_XWAY(GPIO8, GPIO,	CGU,	NMI,	NONE),
  	MFP_XWAY(GPIO9, GPIO,	ASC,	SPI,	EXIN),
  	MFP_XWAY(GPIO10, GPIO,	ASC,	SPI,	NONE),
  	MFP_XWAY(GPIO11, GPIO,	ASC,	PCI,	SPI),
  	MFP_XWAY(GPIO12, GPIO,	ASC,	NONE,	NONE),
  	MFP_XWAY(GPIO13, GPIO,	EBU,	SPI,	NONE),
  	MFP_XWAY(GPIO14, GPIO,	CGU,	PCI,	NONE),
  	MFP_XWAY(GPIO15, GPIO,	SPI,	JTAG,	NONE),
  	MFP_XWAY(GPIO16, GPIO,	SPI,	NONE,	JTAG),
  	MFP_XWAY(GPIO17, GPIO,	SPI,	NONE,	JTAG),
  	MFP_XWAY(GPIO18, GPIO,	SPI,	NONE,	JTAG),
  	MFP_XWAY(GPIO19, GPIO,	PCI,	NONE,	NONE),
  	MFP_XWAY(GPIO20, GPIO,	JTAG,	NONE,	NONE),
  	MFP_XWAY(GPIO21, GPIO,	PCI,	EBU,	GPT),
  	MFP_XWAY(GPIO22, GPIO,	SPI,	NONE,	NONE),
  	MFP_XWAY(GPIO23, GPIO,	EBU,	PCI,	STP),
  	MFP_XWAY(GPIO24, GPIO,	EBU,	TDM,	PCI),
  	MFP_XWAY(GPIO25, GPIO,	TDM,	NONE,	ASC),
  	MFP_XWAY(GPIO26, GPIO,	EBU,	NONE,	TDM),
  	MFP_XWAY(GPIO27, GPIO,	TDM,	NONE,	ASC),
  	MFP_XWAY(GPIO28, GPIO,	GPT,	NONE,	NONE),
  	MFP_XWAY(GPIO29, GPIO,	PCI,	NONE,	NONE),
  	MFP_XWAY(GPIO30, GPIO,	PCI,	NONE,	NONE),
  	MFP_XWAY(GPIO31, GPIO,	EBU,	PCI,	NONE),
  	MFP_XWAY(GPIO32, GPIO,	NONE,	NONE,	EBU),
  	MFP_XWAY(GPIO33, GPIO,	NONE,	NONE,	EBU),
  	MFP_XWAY(GPIO34, GPIO,	NONE,	NONE,	EBU),
  	MFP_XWAY(GPIO35, GPIO,	NONE,	NONE,	EBU),
  	MFP_XWAY(GPIO36, GPIO,	SIN,	NONE,	EBU),
  	MFP_XWAY(GPIO37, GPIO,	PCI,	NONE,	NONE),
  	MFP_XWAY(GPIO38, GPIO,	PCI,	NONE,	NONE),
  	MFP_XWAY(GPIO39, GPIO,	EXIN,	NONE,	NONE),
  	MFP_XWAY(GPIO40, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO41, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO42, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO43, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO44, GPIO,	MII,	SIN,	GPHY),
  	MFP_XWAY(GPIO45, GPIO,	NONE,	GPHY,	SIN),
  	MFP_XWAY(GPIO46, GPIO,	NONE,	NONE,	EXIN),
  	MFP_XWAY(GPIO47, GPIO,	MII,	GPHY,	SIN),
  	MFP_XWAY(GPIO48, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO49, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO50, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO51, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO52, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO53, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO54, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO55, GPIO,	NONE,	NONE,	NONE),
  };
  
  static const unsigned pins_jtag[] = {GPIO15, GPIO16, GPIO17, GPIO19, GPIO35};
  static const unsigned pins_asc0[] = {GPIO11, GPIO12};
  static const unsigned pins_asc0_cts_rts[] = {GPIO9, GPIO10};
  static const unsigned pins_stp[] = {GPIO4, GPIO5, GPIO6};
  static const unsigned pins_nmi[] = {GPIO8};
  static const unsigned pins_mdio[] = {GPIO42, GPIO43};
  
  static const unsigned pins_gphy0_led0[] = {GPIO5};
  static const unsigned pins_gphy0_led1[] = {GPIO7};
  static const unsigned pins_gphy0_led2[] = {GPIO2};
  static const unsigned pins_gphy1_led0[] = {GPIO44};
  static const unsigned pins_gphy1_led1[] = {GPIO45};
  static const unsigned pins_gphy1_led2[] = {GPIO47};
  
  static const unsigned pins_ebu_a24[] = {GPIO13};
  static const unsigned pins_ebu_clk[] = {GPIO21};
  static const unsigned pins_ebu_cs1[] = {GPIO23};
  static const unsigned pins_ebu_a23[] = {GPIO24};
  static const unsigned pins_ebu_wait[] = {GPIO26};
  static const unsigned pins_ebu_a25[] = {GPIO31};
  static const unsigned pins_ebu_rdy[] = {GPIO48};
  static const unsigned pins_ebu_rd[] = {GPIO49};
  
  static const unsigned pins_nand_ale[] = {GPIO13};
  static const unsigned pins_nand_cs1[] = {GPIO23};
  static const unsigned pins_nand_cle[] = {GPIO24};
  static const unsigned pins_nand_rdy[] = {GPIO48};
  static const unsigned pins_nand_rd[] = {GPIO49};
  
  static const unsigned xway_exin_pin_map[] = {GPIO0, GPIO1, GPIO2, GPIO39, GPIO46, GPIO9};
  
  static const unsigned pins_exin0[] = {GPIO0};
  static const unsigned pins_exin1[] = {GPIO1};
  static const unsigned pins_exin2[] = {GPIO2};
  static const unsigned pins_exin3[] = {GPIO39};
  static const unsigned pins_exin4[] = {GPIO46};
  static const unsigned pins_exin5[] = {GPIO9};
  
  static const unsigned pins_spi[] = {GPIO16, GPIO17, GPIO18};
  static const unsigned pins_spi_cs1[] = {GPIO15};
  static const unsigned pins_spi_cs2[] = {GPIO22};
  static const unsigned pins_spi_cs3[] = {GPIO13};
  static const unsigned pins_spi_cs4[] = {GPIO10};
  static const unsigned pins_spi_cs5[] = {GPIO9};
  static const unsigned pins_spi_cs6[] = {GPIO11};
  
  static const unsigned pins_gpt1[] = {GPIO28};
  static const unsigned pins_gpt2[] = {GPIO21};
  static const unsigned pins_gpt3[] = {GPIO6};
  
  static const unsigned pins_clkout0[] = {GPIO8};
  static const unsigned pins_clkout1[] = {GPIO7};
  static const unsigned pins_clkout2[] = {GPIO3};
  static const unsigned pins_clkout3[] = {GPIO2};
  
  static const unsigned pins_pci_gnt1[] = {GPIO30};
  static const unsigned pins_pci_gnt2[] = {GPIO23};
  static const unsigned pins_pci_gnt3[] = {GPIO19};
  static const unsigned pins_pci_gnt4[] = {GPIO38};
  static const unsigned pins_pci_req1[] = {GPIO29};
  static const unsigned pins_pci_req2[] = {GPIO31};
  static const unsigned pins_pci_req3[] = {GPIO3};
  static const unsigned pins_pci_req4[] = {GPIO37};
  
  static const struct ltq_pin_group xway_grps[] = {
  	GRP_MUX("exin0", EXIN, pins_exin0),
  	GRP_MUX("exin1", EXIN, pins_exin1),
  	GRP_MUX("exin2", EXIN, pins_exin2),
  	GRP_MUX("jtag", JTAG, pins_jtag),
  	GRP_MUX("ebu a23", EBU, pins_ebu_a23),
  	GRP_MUX("ebu a24", EBU, pins_ebu_a24),
  	GRP_MUX("ebu a25", EBU, pins_ebu_a25),
  	GRP_MUX("ebu clk", EBU, pins_ebu_clk),
  	GRP_MUX("ebu cs1", EBU, pins_ebu_cs1),
  	GRP_MUX("ebu wait", EBU, pins_ebu_wait),
  	GRP_MUX("nand ale", EBU, pins_nand_ale),
  	GRP_MUX("nand cs1", EBU, pins_nand_cs1),
  	GRP_MUX("nand cle", EBU, pins_nand_cle),
  	GRP_MUX("spi", SPI, pins_spi),
  	GRP_MUX("spi_cs1", SPI, pins_spi_cs1),
  	GRP_MUX("spi_cs2", SPI, pins_spi_cs2),
  	GRP_MUX("spi_cs3", SPI, pins_spi_cs3),
  	GRP_MUX("spi_cs4", SPI, pins_spi_cs4),
  	GRP_MUX("spi_cs5", SPI, pins_spi_cs5),
  	GRP_MUX("spi_cs6", SPI, pins_spi_cs6),
  	GRP_MUX("asc0", ASC, pins_asc0),
  	GRP_MUX("asc0 cts rts", ASC, pins_asc0_cts_rts),
  	GRP_MUX("stp", STP, pins_stp),
  	GRP_MUX("nmi", NMI, pins_nmi),
  	GRP_MUX("gpt1", GPT, pins_gpt1),
  	GRP_MUX("gpt2", GPT, pins_gpt2),
  	GRP_MUX("gpt3", GPT, pins_gpt3),
  	GRP_MUX("clkout0", CGU, pins_clkout0),
  	GRP_MUX("clkout1", CGU, pins_clkout1),
  	GRP_MUX("clkout2", CGU, pins_clkout2),
  	GRP_MUX("clkout3", CGU, pins_clkout3),
  	GRP_MUX("gnt1", PCI, pins_pci_gnt1),
  	GRP_MUX("gnt2", PCI, pins_pci_gnt2),
  	GRP_MUX("gnt3", PCI, pins_pci_gnt3),
  	GRP_MUX("req1", PCI, pins_pci_req1),
  	GRP_MUX("req2", PCI, pins_pci_req2),
  	GRP_MUX("req3", PCI, pins_pci_req3),
  /* xrx only */
  	GRP_MUX("nand rdy", EBU, pins_nand_rdy),
  	GRP_MUX("nand rd", EBU, pins_nand_rd),
  	GRP_MUX("exin3", EXIN, pins_exin3),
  	GRP_MUX("exin4", EXIN, pins_exin4),
  	GRP_MUX("exin5", EXIN, pins_exin5),
  	GRP_MUX("gnt4", PCI, pins_pci_gnt4),
  	GRP_MUX("req4", PCI, pins_pci_gnt4),
  	GRP_MUX("mdio", MDIO, pins_mdio),
  	GRP_MUX("gphy0 led0", GPHY, pins_gphy0_led0),
  	GRP_MUX("gphy0 led1", GPHY, pins_gphy0_led1),
  	GRP_MUX("gphy0 led2", GPHY, pins_gphy0_led2),
  	GRP_MUX("gphy1 led0", GPHY, pins_gphy1_led0),
  	GRP_MUX("gphy1 led1", GPHY, pins_gphy1_led1),
  	GRP_MUX("gphy1 led2", GPHY, pins_gphy1_led2),
  };
  
  static const char * const xway_pci_grps[] = {"gnt1", "gnt2",
  						"gnt3", "req1",
  						"req2", "req3"};
  static const char * const xway_spi_grps[] = {"spi", "spi_cs1",
  						"spi_cs2", "spi_cs3",
  						"spi_cs4", "spi_cs5",
  						"spi_cs6"};
  static const char * const xway_cgu_grps[] = {"clkout0", "clkout1",
  						"clkout2", "clkout3"};
  static const char * const xway_ebu_grps[] = {"ebu a23", "ebu a24",
  						"ebu a25", "ebu cs1",
  						"ebu wait", "ebu clk",
  						"nand ale", "nand cs1",
  						"nand cle"};
  static const char * const xway_exin_grps[] = {"exin0", "exin1", "exin2"};
  static const char * const xway_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
  static const char * const xway_asc_grps[] = {"asc0", "asc0 cts rts"};
  static const char * const xway_jtag_grps[] = {"jtag"};
  static const char * const xway_stp_grps[] = {"stp"};
  static const char * const xway_nmi_grps[] = {"nmi"};
  
  /* ar9/vr9/gr9 */
  static const char * const xrx_mdio_grps[] = {"mdio"};
  static const char * const xrx_gphy_grps[] = {"gphy0 led0", "gphy0 led1",
  						"gphy0 led2", "gphy1 led0",
  						"gphy1 led1", "gphy1 led2"};
  static const char * const xrx_ebu_grps[] = {"ebu a23", "ebu a24",
  						"ebu a25", "ebu cs1",
  						"ebu wait", "ebu clk",
  						"nand ale", "nand cs1",
  						"nand cle", "nand rdy",
  						"nand rd"};
  static const char * const xrx_exin_grps[] = {"exin0", "exin1", "exin2",
  						"exin3", "exin4", "exin5"};
  static const char * const xrx_pci_grps[] = {"gnt1", "gnt2",
  						"gnt3", "gnt4",
  						"req1", "req2",
  						"req3", "req4"};
  
  static const struct ltq_pmx_func xrx_funcs[] = {
  	{"spi",		ARRAY_AND_SIZE(xway_spi_grps)},
  	{"asc",		ARRAY_AND_SIZE(xway_asc_grps)},
  	{"cgu",		ARRAY_AND_SIZE(xway_cgu_grps)},
  	{"jtag",	ARRAY_AND_SIZE(xway_jtag_grps)},
  	{"exin",	ARRAY_AND_SIZE(xrx_exin_grps)},
  	{"stp",		ARRAY_AND_SIZE(xway_stp_grps)},
  	{"gpt",		ARRAY_AND_SIZE(xway_gpt_grps)},
  	{"nmi",		ARRAY_AND_SIZE(xway_nmi_grps)},
  	{"pci",		ARRAY_AND_SIZE(xrx_pci_grps)},
  	{"ebu",		ARRAY_AND_SIZE(xrx_ebu_grps)},
  	{"mdio",	ARRAY_AND_SIZE(xrx_mdio_grps)},
  	{"gphy",	ARRAY_AND_SIZE(xrx_gphy_grps)},
  };
  
  /* ---------  ase related code --------- */
  #define ASE_MAX_PIN		32
  
  static const struct ltq_mfp_pin ase_mfp[] = {
  	/*       pin    f0	f1	f2	f3   */
  	MFP_XWAY(GPIO0, GPIO,	EXIN,	MII,	TDM),
  	MFP_XWAY(GPIO1, GPIO,	STP,	DFE,	EBU),
  	MFP_XWAY(GPIO2, GPIO,	STP,	DFE,	EPHY),
  	MFP_XWAY(GPIO3, GPIO,	STP,	EPHY,	EBU),
  	MFP_XWAY(GPIO4, GPIO,	GPT,	EPHY,	MII),
  	MFP_XWAY(GPIO5, GPIO,	MII,	ASC,	GPT),
  	MFP_XWAY(GPIO6, GPIO,	MII,	ASC,	EXIN),
  	MFP_XWAY(GPIO7, GPIO,	SPI,	MII,	JTAG),
  	MFP_XWAY(GPIO8, GPIO,	SPI,	MII,	JTAG),
  	MFP_XWAY(GPIO9, GPIO,	SPI,	MII,	JTAG),
  	MFP_XWAY(GPIO10, GPIO,	SPI,	MII,	JTAG),
  	MFP_XWAY(GPIO11, GPIO,	EBU,	CGU,	JTAG),
  	MFP_XWAY(GPIO12, GPIO,	EBU,	MII,	SDIO),
  	MFP_XWAY(GPIO13, GPIO,	EBU,	MII,	CGU),
  	MFP_XWAY(GPIO14, GPIO,	EBU,	SPI,	CGU),
  	MFP_XWAY(GPIO15, GPIO,	EBU,	SPI,	SDIO),
  	MFP_XWAY(GPIO16, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO17, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO18, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO19, GPIO,	EBU,	MII,	SDIO),
  	MFP_XWAY(GPIO20, GPIO,	EBU,	MII,	SDIO),
  	MFP_XWAY(GPIO21, GPIO,	EBU,	MII,	EBU2),
  	MFP_XWAY(GPIO22, GPIO,	EBU,	MII,	CGU),
  	MFP_XWAY(GPIO23, GPIO,	EBU,	MII,	CGU),
  	MFP_XWAY(GPIO24, GPIO,	EBU,	EBU2,	MDIO),
  	MFP_XWAY(GPIO25, GPIO,	EBU,	MII,	GPT),
  	MFP_XWAY(GPIO26, GPIO,	EBU,	MII,	SDIO),
  	MFP_XWAY(GPIO27, GPIO,	EBU,	NONE,	MDIO),
  	MFP_XWAY(GPIO28, GPIO,	MII,	EBU,	SDIO),
  	MFP_XWAY(GPIO29, GPIO,	EBU,	MII,	EXIN),
  	MFP_XWAY(GPIO30, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO31, GPIO,	NONE,	NONE,	NONE),
  };
  
  static const unsigned ase_exin_pin_map[] = {GPIO6, GPIO29, GPIO0};
  
  static const unsigned ase_pins_exin0[] = {GPIO6};
  static const unsigned ase_pins_exin1[] = {GPIO29};
  static const unsigned ase_pins_exin2[] = {GPIO0};
  
  static const unsigned ase_pins_jtag[] = {GPIO7, GPIO8, GPIO9, GPIO10, GPIO11};
  static const unsigned ase_pins_asc[] = {GPIO5, GPIO6};
  static const unsigned ase_pins_stp[] = {GPIO1, GPIO2, GPIO3};
  static const unsigned ase_pins_mdio[] = {GPIO24, GPIO27};
  static const unsigned ase_pins_ephy_led0[] = {GPIO2};
  static const unsigned ase_pins_ephy_led1[] = {GPIO3};
  static const unsigned ase_pins_ephy_led2[] = {GPIO4};
  static const unsigned ase_pins_dfe_led0[] = {GPIO1};
  static const unsigned ase_pins_dfe_led1[] = {GPIO2};
  
  static const unsigned ase_pins_spi[] = {GPIO8, GPIO9, GPIO10}; /* DEPRECATED */
  static const unsigned ase_pins_spi_di[] = {GPIO8};
  static const unsigned ase_pins_spi_do[] = {GPIO9};
  static const unsigned ase_pins_spi_clk[] = {GPIO10};
  static const unsigned ase_pins_spi_cs1[] = {GPIO7};
  static const unsigned ase_pins_spi_cs2[] = {GPIO15};
  static const unsigned ase_pins_spi_cs3[] = {GPIO14};
  
  static const unsigned ase_pins_gpt1[] = {GPIO5};
  static const unsigned ase_pins_gpt2[] = {GPIO4};
  static const unsigned ase_pins_gpt3[] = {GPIO25};
  
  static const unsigned ase_pins_clkout0[] = {GPIO23};
  static const unsigned ase_pins_clkout1[] = {GPIO22};
  static const unsigned ase_pins_clkout2[] = {GPIO14};
  
  static const struct ltq_pin_group ase_grps[] = {
  	GRP_MUX("exin0", EXIN, ase_pins_exin0),
  	GRP_MUX("exin1", EXIN, ase_pins_exin1),
  	GRP_MUX("exin2", EXIN, ase_pins_exin2),
  	GRP_MUX("jtag", JTAG, ase_pins_jtag),
  	GRP_MUX("spi", SPI, ase_pins_spi), /* DEPRECATED */
  	GRP_MUX("spi_di", SPI, ase_pins_spi_di),
  	GRP_MUX("spi_do", SPI, ase_pins_spi_do),
  	GRP_MUX("spi_clk", SPI, ase_pins_spi_clk),
  	GRP_MUX("spi_cs1", SPI, ase_pins_spi_cs1),
  	GRP_MUX("spi_cs2", SPI, ase_pins_spi_cs2),
  	GRP_MUX("spi_cs3", SPI, ase_pins_spi_cs3),
  	GRP_MUX("asc", ASC, ase_pins_asc),
  	GRP_MUX("stp", STP, ase_pins_stp),
  	GRP_MUX("gpt1", GPT, ase_pins_gpt1),
  	GRP_MUX("gpt2", GPT, ase_pins_gpt2),
  	GRP_MUX("gpt3", GPT, ase_pins_gpt3),
  	GRP_MUX("clkout0", CGU, ase_pins_clkout0),
  	GRP_MUX("clkout1", CGU, ase_pins_clkout1),
  	GRP_MUX("clkout2", CGU, ase_pins_clkout2),
  	GRP_MUX("mdio", MDIO, ase_pins_mdio),
  	GRP_MUX("dfe led0", DFE, ase_pins_dfe_led0),
  	GRP_MUX("dfe led1", DFE, ase_pins_dfe_led1),
  	GRP_MUX("ephy led0", EPHY, ase_pins_ephy_led0),
  	GRP_MUX("ephy led1", EPHY, ase_pins_ephy_led1),
  	GRP_MUX("ephy led2", EPHY, ase_pins_ephy_led2),
  };
  
  static const char * const ase_exin_grps[] = {"exin0", "exin1", "exin2"};
  static const char * const ase_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
  static const char * const ase_cgu_grps[] = {"clkout0", "clkout1",
  						"clkout2"};
  static const char * const ase_mdio_grps[] = {"mdio"};
  static const char * const ase_dfe_grps[] = {"dfe led0", "dfe led1"};
  static const char * const ase_ephy_grps[] = {"ephy led0", "ephy led1",
  						"ephy led2"};
  static const char * const ase_asc_grps[] = {"asc"};
  static const char * const ase_jtag_grps[] = {"jtag"};
  static const char * const ase_stp_grps[] = {"stp"};
  static const char * const ase_spi_grps[] = {"spi",  /* DEPRECATED */
  						"spi_di", "spi_do",
  						"spi_clk", "spi_cs1",
  						"spi_cs2", "spi_cs3"};
  
  static const struct ltq_pmx_func ase_funcs[] = {
  	{"spi",		ARRAY_AND_SIZE(ase_spi_grps)},
  	{"asc",		ARRAY_AND_SIZE(ase_asc_grps)},
  	{"cgu",		ARRAY_AND_SIZE(ase_cgu_grps)},
  	{"jtag",	ARRAY_AND_SIZE(ase_jtag_grps)},
  	{"exin",	ARRAY_AND_SIZE(ase_exin_grps)},
  	{"stp",		ARRAY_AND_SIZE(ase_stp_grps)},
  	{"gpt",		ARRAY_AND_SIZE(ase_gpt_grps)},
  	{"mdio",	ARRAY_AND_SIZE(ase_mdio_grps)},
  	{"ephy",	ARRAY_AND_SIZE(ase_ephy_grps)},
  	{"dfe",		ARRAY_AND_SIZE(ase_dfe_grps)},
  };
  
  /* ---------  danube related code --------- */
  #define DANUBE_MAX_PIN		32
  
  static const struct ltq_mfp_pin danube_mfp[] = {
  	/*       pin    f0	f1	f2	f3   */
  	MFP_XWAY(GPIO0, GPIO,	EXIN,	SDIO,	TDM),
  	MFP_XWAY(GPIO1, GPIO,	EXIN,	CBUS,	MII),
  	MFP_XWAY(GPIO2, GPIO,	CGU,	EXIN,	MII),
  	MFP_XWAY(GPIO3, GPIO,	CGU,	SDIO,	PCI),
  	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	ASC),
  	MFP_XWAY(GPIO5, GPIO,	STP,	MII,	DFE),
  	MFP_XWAY(GPIO6, GPIO,	STP,	GPT,	ASC),
  	MFP_XWAY(GPIO7, GPIO,	CGU,	CBUS,	MII),
  	MFP_XWAY(GPIO8, GPIO,	CGU,	NMI,	MII),
  	MFP_XWAY(GPIO9, GPIO,	ASC,	SPI,	MII),
  	MFP_XWAY(GPIO10, GPIO,	ASC,	SPI,	MII),
  	MFP_XWAY(GPIO11, GPIO,	ASC,	CBUS,	SPI),
  	MFP_XWAY(GPIO12, GPIO,	ASC,	CBUS,	MCD),
  	MFP_XWAY(GPIO13, GPIO,	EBU,	SPI,	MII),
  	MFP_XWAY(GPIO14, GPIO,	CGU,	CBUS,	MII),
  	MFP_XWAY(GPIO15, GPIO,	SPI,	SDIO,	JTAG),
  	MFP_XWAY(GPIO16, GPIO,	SPI,	SDIO,	JTAG),
  	MFP_XWAY(GPIO17, GPIO,	SPI,	SDIO,	JTAG),
  	MFP_XWAY(GPIO18, GPIO,	SPI,	SDIO,	JTAG),
  	MFP_XWAY(GPIO19, GPIO,	PCI,	SDIO,	MII),
  	MFP_XWAY(GPIO20, GPIO,	JTAG,	SDIO,	MII),
  	MFP_XWAY(GPIO21, GPIO,	PCI,	EBU,	GPT),
  	MFP_XWAY(GPIO22, GPIO,	SPI,	MCD,	MII),
  	MFP_XWAY(GPIO23, GPIO,	EBU,	PCI,	STP),
  	MFP_XWAY(GPIO24, GPIO,	EBU,	TDM,	PCI),
  	MFP_XWAY(GPIO25, GPIO,	TDM,	SDIO,	ASC),
  	MFP_XWAY(GPIO26, GPIO,	EBU,	TDM,	SDIO),
  	MFP_XWAY(GPIO27, GPIO,	TDM,	SDIO,	ASC),
  	MFP_XWAY(GPIO28, GPIO,	GPT,	MII,	SDIO),
  	MFP_XWAY(GPIO29, GPIO,	PCI,	CBUS,	MII),
  	MFP_XWAY(GPIO30, GPIO,	PCI,	CBUS,	MII),
  	MFP_XWAY(GPIO31, GPIO,	EBU,	PCI,	MII),
  };
  
  static const unsigned danube_exin_pin_map[] = {GPIO0, GPIO1, GPIO2};
  
  static const unsigned danube_pins_exin0[] = {GPIO0};
  static const unsigned danube_pins_exin1[] = {GPIO1};
  static const unsigned danube_pins_exin2[] = {GPIO2};
  
  static const unsigned danube_pins_jtag[] = {GPIO15, GPIO16, GPIO17, GPIO18, GPIO20};
  static const unsigned danube_pins_asc0[] = {GPIO11, GPIO12};
  static const unsigned danube_pins_asc0_cts_rts[] = {GPIO9, GPIO10};
  static const unsigned danube_pins_stp[] = {GPIO4, GPIO5, GPIO6};
  static const unsigned danube_pins_nmi[] = {GPIO8};
  
  static const unsigned danube_pins_dfe_led0[] = {GPIO4};
  static const unsigned danube_pins_dfe_led1[] = {GPIO5};
  
  static const unsigned danube_pins_ebu_a24[] = {GPIO13};
  static const unsigned danube_pins_ebu_clk[] = {GPIO21};
  static const unsigned danube_pins_ebu_cs1[] = {GPIO23};
  static const unsigned danube_pins_ebu_a23[] = {GPIO24};
  static const unsigned danube_pins_ebu_wait[] = {GPIO26};
  static const unsigned danube_pins_ebu_a25[] = {GPIO31};
  
  static const unsigned danube_pins_nand_ale[] = {GPIO13};
  static const unsigned danube_pins_nand_cs1[] = {GPIO23};
  static const unsigned danube_pins_nand_cle[] = {GPIO24};
  
  static const unsigned danube_pins_spi[] = {GPIO16, GPIO17, GPIO18}; /* DEPRECATED */
  static const unsigned danube_pins_spi_di[] = {GPIO16};
  static const unsigned danube_pins_spi_do[] = {GPIO17};
  static const unsigned danube_pins_spi_clk[] = {GPIO18};
  static const unsigned danube_pins_spi_cs1[] = {GPIO15};
  static const unsigned danube_pins_spi_cs2[] = {GPIO21};
  static const unsigned danube_pins_spi_cs3[] = {GPIO13};
  static const unsigned danube_pins_spi_cs4[] = {GPIO10};
  static const unsigned danube_pins_spi_cs5[] = {GPIO9};
  static const unsigned danube_pins_spi_cs6[] = {GPIO11};
  
  static const unsigned danube_pins_gpt1[] = {GPIO28};
  static const unsigned danube_pins_gpt2[] = {GPIO21};
  static const unsigned danube_pins_gpt3[] = {GPIO6};
  
  static const unsigned danube_pins_clkout0[] = {GPIO8};
  static const unsigned danube_pins_clkout1[] = {GPIO7};
  static const unsigned danube_pins_clkout2[] = {GPIO3};
  static const unsigned danube_pins_clkout3[] = {GPIO2};
  
  static const unsigned danube_pins_pci_gnt1[] = {GPIO30};
  static const unsigned danube_pins_pci_gnt2[] = {GPIO23};
  static const unsigned danube_pins_pci_gnt3[] = {GPIO19};
  static const unsigned danube_pins_pci_req1[] = {GPIO29};
  static const unsigned danube_pins_pci_req2[] = {GPIO31};
  static const unsigned danube_pins_pci_req3[] = {GPIO3};
  
  static const struct ltq_pin_group danube_grps[] = {
  	GRP_MUX("exin0", EXIN, danube_pins_exin0),
  	GRP_MUX("exin1", EXIN, danube_pins_exin1),
  	GRP_MUX("exin2", EXIN, danube_pins_exin2),
  	GRP_MUX("jtag", JTAG, danube_pins_jtag),
  	GRP_MUX("ebu a23", EBU, danube_pins_ebu_a23),
  	GRP_MUX("ebu a24", EBU, danube_pins_ebu_a24),
  	GRP_MUX("ebu a25", EBU, danube_pins_ebu_a25),
  	GRP_MUX("ebu clk", EBU, danube_pins_ebu_clk),
  	GRP_MUX("ebu cs1", EBU, danube_pins_ebu_cs1),
  	GRP_MUX("ebu wait", EBU, danube_pins_ebu_wait),
  	GRP_MUX("nand ale", EBU, danube_pins_nand_ale),
  	GRP_MUX("nand cs1", EBU, danube_pins_nand_cs1),
  	GRP_MUX("nand cle", EBU, danube_pins_nand_cle),
  	GRP_MUX("spi", SPI, danube_pins_spi), /* DEPRECATED */
  	GRP_MUX("spi_di", SPI, danube_pins_spi_di),
  	GRP_MUX("spi_do", SPI, danube_pins_spi_do),
  	GRP_MUX("spi_clk", SPI, danube_pins_spi_clk),
  	GRP_MUX("spi_cs1", SPI, danube_pins_spi_cs1),
  	GRP_MUX("spi_cs2", SPI, danube_pins_spi_cs2),
  	GRP_MUX("spi_cs3", SPI, danube_pins_spi_cs3),
  	GRP_MUX("spi_cs4", SPI, danube_pins_spi_cs4),
  	GRP_MUX("spi_cs5", SPI, danube_pins_spi_cs5),
  	GRP_MUX("spi_cs6", SPI, danube_pins_spi_cs6),
  	GRP_MUX("asc0", ASC, danube_pins_asc0),
  	GRP_MUX("asc0 cts rts", ASC, danube_pins_asc0_cts_rts),
  	GRP_MUX("stp", STP, danube_pins_stp),
  	GRP_MUX("nmi", NMI, danube_pins_nmi),
  	GRP_MUX("gpt1", GPT, danube_pins_gpt1),
  	GRP_MUX("gpt2", GPT, danube_pins_gpt2),
  	GRP_MUX("gpt3", GPT, danube_pins_gpt3),
  	GRP_MUX("clkout0", CGU, danube_pins_clkout0),
  	GRP_MUX("clkout1", CGU, danube_pins_clkout1),
  	GRP_MUX("clkout2", CGU, danube_pins_clkout2),
  	GRP_MUX("clkout3", CGU, danube_pins_clkout3),
  	GRP_MUX("gnt1", PCI, danube_pins_pci_gnt1),
  	GRP_MUX("gnt2", PCI, danube_pins_pci_gnt2),
  	GRP_MUX("gnt3", PCI, danube_pins_pci_gnt3),
  	GRP_MUX("req1", PCI, danube_pins_pci_req1),
  	GRP_MUX("req2", PCI, danube_pins_pci_req2),
  	GRP_MUX("req3", PCI, danube_pins_pci_req3),
  	GRP_MUX("dfe led0", DFE, danube_pins_dfe_led0),
  	GRP_MUX("dfe led1", DFE, danube_pins_dfe_led1),
  };
  
  static const char * const danube_pci_grps[] = {"gnt1", "gnt2",
  						"gnt3", "req1",
  						"req2", "req3"};
  static const char * const danube_spi_grps[] = {"spi", /* DEPRECATED */
  						"spi_di", "spi_do",
  						"spi_clk", "spi_cs1",
  						"spi_cs2", "spi_cs3",
  						"spi_cs4", "spi_cs5",
  						"spi_cs6"};
  static const char * const danube_cgu_grps[] = {"clkout0", "clkout1",
  						"clkout2", "clkout3"};
  static const char * const danube_ebu_grps[] = {"ebu a23", "ebu a24",
  						"ebu a25", "ebu cs1",
  						"ebu wait", "ebu clk",
  						"nand ale", "nand cs1",
  						"nand cle"};
  static const char * const danube_dfe_grps[] = {"dfe led0", "dfe led1"};
  static const char * const danube_exin_grps[] = {"exin0", "exin1", "exin2"};
  static const char * const danube_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
  static const char * const danube_asc_grps[] = {"asc0", "asc0 cts rts"};
  static const char * const danube_jtag_grps[] = {"jtag"};
  static const char * const danube_stp_grps[] = {"stp"};
  static const char * const danube_nmi_grps[] = {"nmi"};
  
  static const struct ltq_pmx_func danube_funcs[] = {
  	{"spi",		ARRAY_AND_SIZE(danube_spi_grps)},
  	{"asc",		ARRAY_AND_SIZE(danube_asc_grps)},
  	{"cgu",		ARRAY_AND_SIZE(danube_cgu_grps)},
  	{"jtag",	ARRAY_AND_SIZE(danube_jtag_grps)},
  	{"exin",	ARRAY_AND_SIZE(danube_exin_grps)},
  	{"stp",		ARRAY_AND_SIZE(danube_stp_grps)},
  	{"gpt",		ARRAY_AND_SIZE(danube_gpt_grps)},
  	{"nmi",		ARRAY_AND_SIZE(danube_nmi_grps)},
  	{"pci",		ARRAY_AND_SIZE(danube_pci_grps)},
  	{"ebu",		ARRAY_AND_SIZE(danube_ebu_grps)},
  	{"dfe",		ARRAY_AND_SIZE(danube_dfe_grps)},
  };
  
  /* ---------  xrx100 related code --------- */
  #define XRX100_MAX_PIN		56
  
  static const struct ltq_mfp_pin xrx100_mfp[] = {
  	/*       pin    f0	f1	f2	f3   */
  	MFP_XWAY(GPIO0, GPIO,	EXIN,	SDIO,	TDM),
  	MFP_XWAY(GPIO1, GPIO,	EXIN,	CBUS,	SIN),
  	MFP_XWAY(GPIO2, GPIO,	CGU,	EXIN,	NONE),
  	MFP_XWAY(GPIO3, GPIO,	CGU,	SDIO,	PCI),
  	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	ASC),
  	MFP_XWAY(GPIO5, GPIO,	STP,	NONE,	DFE),
  	MFP_XWAY(GPIO6, GPIO,	STP,	GPT,	ASC),
  	MFP_XWAY(GPIO7, GPIO,	CGU,	CBUS,	NONE),
  	MFP_XWAY(GPIO8, GPIO,	CGU,	NMI,	NONE),
  	MFP_XWAY(GPIO9, GPIO,	ASC,	SPI,	EXIN),
  	MFP_XWAY(GPIO10, GPIO,	ASC,	SPI,	EXIN),
  	MFP_XWAY(GPIO11, GPIO,	ASC,	CBUS,	SPI),
  	MFP_XWAY(GPIO12, GPIO,	ASC,	CBUS,	MCD),
  	MFP_XWAY(GPIO13, GPIO,	EBU,	SPI,	NONE),
  	MFP_XWAY(GPIO14, GPIO,	CGU,	NONE,	NONE),
  	MFP_XWAY(GPIO15, GPIO,	SPI,	SDIO,	MCD),
  	MFP_XWAY(GPIO16, GPIO,	SPI,	SDIO,	NONE),
  	MFP_XWAY(GPIO17, GPIO,	SPI,	SDIO,	NONE),
  	MFP_XWAY(GPIO18, GPIO,	SPI,	SDIO,	NONE),
  	MFP_XWAY(GPIO19, GPIO,	PCI,	SDIO,	CGU),
  	MFP_XWAY(GPIO20, GPIO,	NONE,	SDIO,	EBU),
  	MFP_XWAY(GPIO21, GPIO,	PCI,	EBU,	GPT),
  	MFP_XWAY(GPIO22, GPIO,	SPI,	NONE,	EBU),
  	MFP_XWAY(GPIO23, GPIO,	EBU,	PCI,	STP),
  	MFP_XWAY(GPIO24, GPIO,	EBU,	TDM,	PCI),
  	MFP_XWAY(GPIO25, GPIO,	TDM,	SDIO,	ASC),
  	MFP_XWAY(GPIO26, GPIO,	EBU,	TDM,	SDIO),
  	MFP_XWAY(GPIO27, GPIO,	TDM,	SDIO,	ASC),
  	MFP_XWAY(GPIO28, GPIO,	GPT,	NONE,	SDIO),
  	MFP_XWAY(GPIO29, GPIO,	PCI,	CBUS,	NONE),
  	MFP_XWAY(GPIO30, GPIO,	PCI,	CBUS,	NONE),
  	MFP_XWAY(GPIO31, GPIO,	EBU,	PCI,	NONE),
  	MFP_XWAY(GPIO32, GPIO,	MII,	NONE,	EBU),
  	MFP_XWAY(GPIO33, GPIO,	MII,	NONE,	EBU),
  	MFP_XWAY(GPIO34, GPIO,	SIN,	SSI,	NONE),
  	MFP_XWAY(GPIO35, GPIO,	SIN,	SSI,	NONE),
  	MFP_XWAY(GPIO36, GPIO,	SIN,	SSI,	NONE),
  	MFP_XWAY(GPIO37, GPIO,	PCI,	NONE,	NONE),
  	MFP_XWAY(GPIO38, GPIO,	PCI,	NONE,	NONE),
  	MFP_XWAY(GPIO39, GPIO,	NONE,	EXIN,	NONE),
  	MFP_XWAY(GPIO40, GPIO,	MII,	TDM,	NONE),
  	MFP_XWAY(GPIO41, GPIO,	MII,	TDM,	NONE),
  	MFP_XWAY(GPIO42, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO43, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO44, GPIO,	MII,	SIN,	NONE),
  	MFP_XWAY(GPIO45, GPIO,	MII,	NONE,	SIN),
  	MFP_XWAY(GPIO46, GPIO,	MII,	NONE,	EXIN),
  	MFP_XWAY(GPIO47, GPIO,	MII,	NONE,	SIN),
  	MFP_XWAY(GPIO48, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO49, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO50, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO51, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO52, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO53, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO54, GPIO,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO55, GPIO,	NONE,	NONE,	NONE),
  };
  
  static const unsigned xrx100_exin_pin_map[] = {GPIO0, GPIO1, GPIO2, GPIO39, GPIO10, GPIO9};
  
  static const unsigned xrx100_pins_exin0[] = {GPIO0};
  static const unsigned xrx100_pins_exin1[] = {GPIO1};
  static const unsigned xrx100_pins_exin2[] = {GPIO2};
  static const unsigned xrx100_pins_exin3[] = {GPIO39};
  static const unsigned xrx100_pins_exin4[] = {GPIO10};
  static const unsigned xrx100_pins_exin5[] = {GPIO9};
  
  static const unsigned xrx100_pins_asc0[] = {GPIO11, GPIO12};
  static const unsigned xrx100_pins_asc0_cts_rts[] = {GPIO9, GPIO10};
  static const unsigned xrx100_pins_stp[] = {GPIO4, GPIO5, GPIO6};
  static const unsigned xrx100_pins_nmi[] = {GPIO8};
  static const unsigned xrx100_pins_mdio[] = {GPIO42, GPIO43};
  
  static const unsigned xrx100_pins_dfe_led0[] = {GPIO4};
  static const unsigned xrx100_pins_dfe_led1[] = {GPIO5};
  
  static const unsigned xrx100_pins_ebu_a24[] = {GPIO13};
  static const unsigned xrx100_pins_ebu_clk[] = {GPIO21};
  static const unsigned xrx100_pins_ebu_cs1[] = {GPIO23};
  static const unsigned xrx100_pins_ebu_a23[] = {GPIO24};
  static const unsigned xrx100_pins_ebu_wait[] = {GPIO26};
  static const unsigned xrx100_pins_ebu_a25[] = {GPIO31};
  
  static const unsigned xrx100_pins_nand_ale[] = {GPIO13};
  static const unsigned xrx100_pins_nand_cs1[] = {GPIO23};
  static const unsigned xrx100_pins_nand_cle[] = {GPIO24};
  static const unsigned xrx100_pins_nand_rdy[] = {GPIO48};
  static const unsigned xrx100_pins_nand_rd[] = {GPIO49};
  
  static const unsigned xrx100_pins_spi_di[] = {GPIO16};
  static const unsigned xrx100_pins_spi_do[] = {GPIO17};
  static const unsigned xrx100_pins_spi_clk[] = {GPIO18};
  static const unsigned xrx100_pins_spi_cs1[] = {GPIO15};
  static const unsigned xrx100_pins_spi_cs2[] = {GPIO22};
  static const unsigned xrx100_pins_spi_cs3[] = {GPIO13};
  static const unsigned xrx100_pins_spi_cs4[] = {GPIO10};
  static const unsigned xrx100_pins_spi_cs5[] = {GPIO9};
  static const unsigned xrx100_pins_spi_cs6[] = {GPIO11};
  
  static const unsigned xrx100_pins_gpt1[] = {GPIO28};
  static const unsigned xrx100_pins_gpt2[] = {GPIO21};
  static const unsigned xrx100_pins_gpt3[] = {GPIO6};
  
  static const unsigned xrx100_pins_clkout0[] = {GPIO8};
  static const unsigned xrx100_pins_clkout1[] = {GPIO7};
  static const unsigned xrx100_pins_clkout2[] = {GPIO3};
  static const unsigned xrx100_pins_clkout3[] = {GPIO2};
  
  static const unsigned xrx100_pins_pci_gnt1[] = {GPIO30};
  static const unsigned xrx100_pins_pci_gnt2[] = {GPIO23};
  static const unsigned xrx100_pins_pci_gnt3[] = {GPIO19};
  static const unsigned xrx100_pins_pci_gnt4[] = {GPIO38};
  static const unsigned xrx100_pins_pci_req1[] = {GPIO29};
  static const unsigned xrx100_pins_pci_req2[] = {GPIO31};
  static const unsigned xrx100_pins_pci_req3[] = {GPIO3};
  static const unsigned xrx100_pins_pci_req4[] = {GPIO37};
  
  static const struct ltq_pin_group xrx100_grps[] = {
  	GRP_MUX("exin0", EXIN, xrx100_pins_exin0),
  	GRP_MUX("exin1", EXIN, xrx100_pins_exin1),
  	GRP_MUX("exin2", EXIN, xrx100_pins_exin2),
  	GRP_MUX("exin3", EXIN, xrx100_pins_exin3),
  	GRP_MUX("exin4", EXIN, xrx100_pins_exin4),
  	GRP_MUX("exin5", EXIN, xrx100_pins_exin5),
  	GRP_MUX("ebu a23", EBU, xrx100_pins_ebu_a23),
  	GRP_MUX("ebu a24", EBU, xrx100_pins_ebu_a24),
  	GRP_MUX("ebu a25", EBU, xrx100_pins_ebu_a25),
  	GRP_MUX("ebu clk", EBU, xrx100_pins_ebu_clk),
  	GRP_MUX("ebu cs1", EBU, xrx100_pins_ebu_cs1),
  	GRP_MUX("ebu wait", EBU, xrx100_pins_ebu_wait),
  	GRP_MUX("nand ale", EBU, xrx100_pins_nand_ale),
  	GRP_MUX("nand cs1", EBU, xrx100_pins_nand_cs1),
  	GRP_MUX("nand cle", EBU, xrx100_pins_nand_cle),
  	GRP_MUX("nand rdy", EBU, xrx100_pins_nand_rdy),
  	GRP_MUX("nand rd", EBU, xrx100_pins_nand_rd),
  	GRP_MUX("spi_di", SPI, xrx100_pins_spi_di),
  	GRP_MUX("spi_do", SPI, xrx100_pins_spi_do),
  	GRP_MUX("spi_clk", SPI, xrx100_pins_spi_clk),
  	GRP_MUX("spi_cs1", SPI, xrx100_pins_spi_cs1),
  	GRP_MUX("spi_cs2", SPI, xrx100_pins_spi_cs2),
  	GRP_MUX("spi_cs3", SPI, xrx100_pins_spi_cs3),
  	GRP_MUX("spi_cs4", SPI, xrx100_pins_spi_cs4),
  	GRP_MUX("spi_cs5", SPI, xrx100_pins_spi_cs5),
  	GRP_MUX("spi_cs6", SPI, xrx100_pins_spi_cs6),
  	GRP_MUX("asc0", ASC, xrx100_pins_asc0),
  	GRP_MUX("asc0 cts rts", ASC, xrx100_pins_asc0_cts_rts),
  	GRP_MUX("stp", STP, xrx100_pins_stp),
  	GRP_MUX("nmi", NMI, xrx100_pins_nmi),
  	GRP_MUX("gpt1", GPT, xrx100_pins_gpt1),
  	GRP_MUX("gpt2", GPT, xrx100_pins_gpt2),
  	GRP_MUX("gpt3", GPT, xrx100_pins_gpt3),
  	GRP_MUX("clkout0", CGU, xrx100_pins_clkout0),
  	GRP_MUX("clkout1", CGU, xrx100_pins_clkout1),
  	GRP_MUX("clkout2", CGU, xrx100_pins_clkout2),
  	GRP_MUX("clkout3", CGU, xrx100_pins_clkout3),
  	GRP_MUX("gnt1", PCI, xrx100_pins_pci_gnt1),
  	GRP_MUX("gnt2", PCI, xrx100_pins_pci_gnt2),
  	GRP_MUX("gnt3", PCI, xrx100_pins_pci_gnt3),
  	GRP_MUX("gnt4", PCI, xrx100_pins_pci_gnt4),
  	GRP_MUX("req1", PCI, xrx100_pins_pci_req1),
  	GRP_MUX("req2", PCI, xrx100_pins_pci_req2),
  	GRP_MUX("req3", PCI, xrx100_pins_pci_req3),
  	GRP_MUX("req4", PCI, xrx100_pins_pci_req4),
  	GRP_MUX("mdio", MDIO, xrx100_pins_mdio),
  	GRP_MUX("dfe led0", DFE, xrx100_pins_dfe_led0),
  	GRP_MUX("dfe led1", DFE, xrx100_pins_dfe_led1),
  };
  
  static const char * const xrx100_pci_grps[] = {"gnt1", "gnt2",
  						"gnt3", "gnt4",
  						"req1", "req2",
  						"req3", "req4"};
  static const char * const xrx100_spi_grps[] = {"spi_di", "spi_do",
  						"spi_clk", "spi_cs1",
  						"spi_cs2", "spi_cs3",
  						"spi_cs4", "spi_cs5",
  						"spi_cs6"};
  static const char * const xrx100_cgu_grps[] = {"clkout0", "clkout1",
  						"clkout2", "clkout3"};
  static const char * const xrx100_ebu_grps[] = {"ebu a23", "ebu a24",
  						"ebu a25", "ebu cs1",
  						"ebu wait", "ebu clk",
  						"nand ale", "nand cs1",
  						"nand cle", "nand rdy",
  						"nand rd"};
  static const char * const xrx100_exin_grps[] = {"exin0", "exin1", "exin2",
  						"exin3", "exin4", "exin5"};
  static const char * const xrx100_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
  static const char * const xrx100_asc_grps[] = {"asc0", "asc0 cts rts"};
  static const char * const xrx100_stp_grps[] = {"stp"};
  static const char * const xrx100_nmi_grps[] = {"nmi"};
  static const char * const xrx100_mdio_grps[] = {"mdio"};
  static const char * const xrx100_dfe_grps[] = {"dfe led0", "dfe led1"};
  
  static const struct ltq_pmx_func xrx100_funcs[] = {
  	{"spi",		ARRAY_AND_SIZE(xrx100_spi_grps)},
  	{"asc",		ARRAY_AND_SIZE(xrx100_asc_grps)},
  	{"cgu",		ARRAY_AND_SIZE(xrx100_cgu_grps)},
  	{"exin",	ARRAY_AND_SIZE(xrx100_exin_grps)},
  	{"stp",		ARRAY_AND_SIZE(xrx100_stp_grps)},
  	{"gpt",		ARRAY_AND_SIZE(xrx100_gpt_grps)},
  	{"nmi",		ARRAY_AND_SIZE(xrx100_nmi_grps)},
  	{"pci",		ARRAY_AND_SIZE(xrx100_pci_grps)},
  	{"ebu",		ARRAY_AND_SIZE(xrx100_ebu_grps)},
  	{"mdio",	ARRAY_AND_SIZE(xrx100_mdio_grps)},
  	{"dfe",		ARRAY_AND_SIZE(xrx100_dfe_grps)},
  };
  
  /* ---------  xrx200 related code --------- */
  #define XRX200_MAX_PIN		50
  
  static const struct ltq_mfp_pin xrx200_mfp[] = {
  	/*       pin    f0	f1	f2	f3   */
  	MFP_XWAY(GPIO0, GPIO,	EXIN,	SDIO,	TDM),
  	MFP_XWAY(GPIO1, GPIO,	EXIN,	CBUS,	SIN),
  	MFP_XWAY(GPIO2, GPIO,	CGU,	EXIN,	GPHY),
  	MFP_XWAY(GPIO3, GPIO,	CGU,	SDIO,	PCI),
  	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	USIF),
  	MFP_XWAY(GPIO5, GPIO,	STP,	GPHY,	DFE),
  	MFP_XWAY(GPIO6, GPIO,	STP,	GPT,	USIF),
  	MFP_XWAY(GPIO7, GPIO,	CGU,	CBUS,	GPHY),
  	MFP_XWAY(GPIO8, GPIO,	CGU,	NMI,	NONE),
  	MFP_XWAY(GPIO9, GPIO,	USIF,	SPI,	EXIN),
  	MFP_XWAY(GPIO10, GPIO,	USIF,	SPI,	EXIN),
  	MFP_XWAY(GPIO11, GPIO,	USIF,	CBUS,	SPI),
  	MFP_XWAY(GPIO12, GPIO,	USIF,	CBUS,	MCD),
  	MFP_XWAY(GPIO13, GPIO,	EBU,	SPI,	NONE),
  	MFP_XWAY(GPIO14, GPIO,	CGU,	CBUS,	USIF),
  	MFP_XWAY(GPIO15, GPIO,	SPI,	SDIO,	MCD),
  	MFP_XWAY(GPIO16, GPIO,	SPI,	SDIO,	NONE),
  	MFP_XWAY(GPIO17, GPIO,	SPI,	SDIO,	NONE),
  	MFP_XWAY(GPIO18, GPIO,	SPI,	SDIO,	NONE),
  	MFP_XWAY(GPIO19, GPIO,	PCI,	SDIO,	CGU),
  	MFP_XWAY(GPIO20, GPIO,	NONE,	SDIO,	EBU),
  	MFP_XWAY(GPIO21, GPIO,	PCI,	EBU,	GPT),
  	MFP_XWAY(GPIO22, GPIO,	SPI,	CGU,	EBU),
  	MFP_XWAY(GPIO23, GPIO,	EBU,	PCI,	STP),
  	MFP_XWAY(GPIO24, GPIO,	EBU,	TDM,	PCI),
  	MFP_XWAY(GPIO25, GPIO,	TDM,	SDIO,	USIF),
  	MFP_XWAY(GPIO26, GPIO,	EBU,	TDM,	SDIO),
  	MFP_XWAY(GPIO27, GPIO,	TDM,	SDIO,	USIF),
  	MFP_XWAY(GPIO28, GPIO,	GPT,	PCI,	SDIO),
  	MFP_XWAY(GPIO29, GPIO,	PCI,	CBUS,	EXIN),
  	MFP_XWAY(GPIO30, GPIO,	PCI,	CBUS,	NONE),
  	MFP_XWAY(GPIO31, GPIO,	EBU,	PCI,	NONE),
  	MFP_XWAY(GPIO32, GPIO,	MII,	NONE,	EBU),
  	MFP_XWAY(GPIO33, GPIO,	MII,	NONE,	EBU),
  	MFP_XWAY(GPIO34, GPIO,	SIN,	SSI,	NONE),
  	MFP_XWAY(GPIO35, GPIO,	SIN,	SSI,	NONE),
  	MFP_XWAY(GPIO36, GPIO,	SIN,	SSI,	EXIN),
  	MFP_XWAY(GPIO37, GPIO,	USIF,	NONE,	PCI),
  	MFP_XWAY(GPIO38, GPIO,	PCI,	USIF,	NONE),
  	MFP_XWAY(GPIO39, GPIO,	USIF,	EXIN,	NONE),
  	MFP_XWAY(GPIO40, GPIO,	MII,	TDM,	NONE),
  	MFP_XWAY(GPIO41, GPIO,	MII,	TDM,	NONE),
  	MFP_XWAY(GPIO42, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO43, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO44, GPIO,	MII,	SIN,	GPHY),
  	MFP_XWAY(GPIO45, GPIO,	MII,	GPHY,	SIN),
  	MFP_XWAY(GPIO46, GPIO,	MII,	NONE,	EXIN),
  	MFP_XWAY(GPIO47, GPIO,	MII,	GPHY,	SIN),
  	MFP_XWAY(GPIO48, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO49, GPIO,	EBU,	NONE,	NONE),
  };
  
  static const unsigned xrx200_exin_pin_map[] = {GPIO0, GPIO1, GPIO2, GPIO39, GPIO10, GPIO9};
  
  static const unsigned xrx200_pins_exin0[] = {GPIO0};
  static const unsigned xrx200_pins_exin1[] = {GPIO1};
  static const unsigned xrx200_pins_exin2[] = {GPIO2};
  static const unsigned xrx200_pins_exin3[] = {GPIO39};
  static const unsigned xrx200_pins_exin4[] = {GPIO10};
  static const unsigned xrx200_pins_exin5[] = {GPIO9};
  
  static const unsigned xrx200_pins_usif_uart_rx[] = {GPIO11};
  static const unsigned xrx200_pins_usif_uart_tx[] = {GPIO12};
  static const unsigned xrx200_pins_usif_uart_rts[] = {GPIO9};
  static const unsigned xrx200_pins_usif_uart_cts[] = {GPIO10};
  static const unsigned xrx200_pins_usif_uart_dtr[] = {GPIO4};
  static const unsigned xrx200_pins_usif_uart_dsr[] = {GPIO6};
  static const unsigned xrx200_pins_usif_uart_dcd[] = {GPIO25};
  static const unsigned xrx200_pins_usif_uart_ri[] = {GPIO27};
  
  static const unsigned xrx200_pins_usif_spi_di[] = {GPIO11};
  static const unsigned xrx200_pins_usif_spi_do[] = {GPIO12};
  static const unsigned xrx200_pins_usif_spi_clk[] = {GPIO38};
  static const unsigned xrx200_pins_usif_spi_cs0[] = {GPIO37};
  static const unsigned xrx200_pins_usif_spi_cs1[] = {GPIO39};
  static const unsigned xrx200_pins_usif_spi_cs2[] = {GPIO14};
  
  static const unsigned xrx200_pins_stp[] = {GPIO4, GPIO5, GPIO6};
  static const unsigned xrx200_pins_nmi[] = {GPIO8};
  static const unsigned xrx200_pins_mdio[] = {GPIO42, GPIO43};
  
  static const unsigned xrx200_pins_dfe_led0[] = {GPIO4};
  static const unsigned xrx200_pins_dfe_led1[] = {GPIO5};
  
  static const unsigned xrx200_pins_gphy0_led0[] = {GPIO5};
  static const unsigned xrx200_pins_gphy0_led1[] = {GPIO7};
  static const unsigned xrx200_pins_gphy0_led2[] = {GPIO2};
  static const unsigned xrx200_pins_gphy1_led0[] = {GPIO44};
  static const unsigned xrx200_pins_gphy1_led1[] = {GPIO45};
  static const unsigned xrx200_pins_gphy1_led2[] = {GPIO47};
  
  static const unsigned xrx200_pins_ebu_a24[] = {GPIO13};
  static const unsigned xrx200_pins_ebu_clk[] = {GPIO21};
  static const unsigned xrx200_pins_ebu_cs1[] = {GPIO23};
  static const unsigned xrx200_pins_ebu_a23[] = {GPIO24};
  static const unsigned xrx200_pins_ebu_wait[] = {GPIO26};
  static const unsigned xrx200_pins_ebu_a25[] = {GPIO31};
  
  static const unsigned xrx200_pins_nand_ale[] = {GPIO13};
  static const unsigned xrx200_pins_nand_cs1[] = {GPIO23};
  static const unsigned xrx200_pins_nand_cle[] = {GPIO24};
  static const unsigned xrx200_pins_nand_rdy[] = {GPIO48};
  static const unsigned xrx200_pins_nand_rd[] = {GPIO49};
  
  static const unsigned xrx200_pins_spi_di[] = {GPIO16};
  static const unsigned xrx200_pins_spi_do[] = {GPIO17};
  static const unsigned xrx200_pins_spi_clk[] = {GPIO18};
  static const unsigned xrx200_pins_spi_cs1[] = {GPIO15};
  static const unsigned xrx200_pins_spi_cs2[] = {GPIO22};
  static const unsigned xrx200_pins_spi_cs3[] = {GPIO13};
  static const unsigned xrx200_pins_spi_cs4[] = {GPIO10};
  static const unsigned xrx200_pins_spi_cs5[] = {GPIO9};
  static const unsigned xrx200_pins_spi_cs6[] = {GPIO11};
  
  static const unsigned xrx200_pins_gpt1[] = {GPIO28};
  static const unsigned xrx200_pins_gpt2[] = {GPIO21};
  static const unsigned xrx200_pins_gpt3[] = {GPIO6};
  
  static const unsigned xrx200_pins_clkout0[] = {GPIO8};
  static const unsigned xrx200_pins_clkout1[] = {GPIO7};
  static const unsigned xrx200_pins_clkout2[] = {GPIO3};
  static const unsigned xrx200_pins_clkout3[] = {GPIO2};
  
  static const unsigned xrx200_pins_pci_gnt1[] = {GPIO28};
  static const unsigned xrx200_pins_pci_gnt2[] = {GPIO23};
  static const unsigned xrx200_pins_pci_gnt3[] = {GPIO19};
  static const unsigned xrx200_pins_pci_gnt4[] = {GPIO38};
  static const unsigned xrx200_pins_pci_req1[] = {GPIO29};
  static const unsigned xrx200_pins_pci_req2[] = {GPIO31};
  static const unsigned xrx200_pins_pci_req3[] = {GPIO3};
  static const unsigned xrx200_pins_pci_req4[] = {GPIO37};
  
  static const struct ltq_pin_group xrx200_grps[] = {
  	GRP_MUX("exin0", EXIN, xrx200_pins_exin0),
  	GRP_MUX("exin1", EXIN, xrx200_pins_exin1),
  	GRP_MUX("exin2", EXIN, xrx200_pins_exin2),
  	GRP_MUX("exin3", EXIN, xrx200_pins_exin3),
  	GRP_MUX("exin4", EXIN, xrx200_pins_exin4),
  	GRP_MUX("exin5", EXIN, xrx200_pins_exin5),
  	GRP_MUX("ebu a23", EBU, xrx200_pins_ebu_a23),
  	GRP_MUX("ebu a24", EBU, xrx200_pins_ebu_a24),
  	GRP_MUX("ebu a25", EBU, xrx200_pins_ebu_a25),
  	GRP_MUX("ebu clk", EBU, xrx200_pins_ebu_clk),
  	GRP_MUX("ebu cs1", EBU, xrx200_pins_ebu_cs1),
  	GRP_MUX("ebu wait", EBU, xrx200_pins_ebu_wait),
  	GRP_MUX("nand ale", EBU, xrx200_pins_nand_ale),
  	GRP_MUX("nand cs1", EBU, xrx200_pins_nand_cs1),
  	GRP_MUX("nand cle", EBU, xrx200_pins_nand_cle),
  	GRP_MUX("nand rdy", EBU, xrx200_pins_nand_rdy),
  	GRP_MUX("nand rd", EBU, xrx200_pins_nand_rd),
  	GRP_MUX("spi_di", SPI, xrx200_pins_spi_di),
  	GRP_MUX("spi_do", SPI, xrx200_pins_spi_do),
  	GRP_MUX("spi_clk", SPI, xrx200_pins_spi_clk),
  	GRP_MUX("spi_cs1", SPI, xrx200_pins_spi_cs1),
  	GRP_MUX("spi_cs2", SPI, xrx200_pins_spi_cs2),
  	GRP_MUX("spi_cs3", SPI, xrx200_pins_spi_cs3),
  	GRP_MUX("spi_cs4", SPI, xrx200_pins_spi_cs4),
  	GRP_MUX("spi_cs5", SPI, xrx200_pins_spi_cs5),
  	GRP_MUX("spi_cs6", SPI, xrx200_pins_spi_cs6),
  	GRP_MUX("usif uart_rx", USIF, xrx200_pins_usif_uart_rx),
  	GRP_MUX("usif uart_tx", USIF, xrx200_pins_usif_uart_tx),
  	GRP_MUX("usif uart_rts", USIF, xrx200_pins_usif_uart_rts),
  	GRP_MUX("usif uart_cts", USIF, xrx200_pins_usif_uart_cts),
  	GRP_MUX("usif uart_dtr", USIF, xrx200_pins_usif_uart_dtr),
  	GRP_MUX("usif uart_dsr", USIF, xrx200_pins_usif_uart_dsr),
  	GRP_MUX("usif uart_dcd", USIF, xrx200_pins_usif_uart_dcd),
  	GRP_MUX("usif uart_ri", USIF, xrx200_pins_usif_uart_ri),
  	GRP_MUX("usif spi_di", USIF, xrx200_pins_usif_spi_di),
  	GRP_MUX("usif spi_do", USIF, xrx200_pins_usif_spi_do),
  	GRP_MUX("usif spi_clk", USIF, xrx200_pins_usif_spi_clk),
  	GRP_MUX("usif spi_cs0", USIF, xrx200_pins_usif_spi_cs0),
  	GRP_MUX("usif spi_cs1", USIF, xrx200_pins_usif_spi_cs1),
  	GRP_MUX("usif spi_cs2", USIF, xrx200_pins_usif_spi_cs2),
  	GRP_MUX("stp", STP, xrx200_pins_stp),
  	GRP_MUX("nmi", NMI, xrx200_pins_nmi),
  	GRP_MUX("gpt1", GPT, xrx200_pins_gpt1),
  	GRP_MUX("gpt2", GPT, xrx200_pins_gpt2),
  	GRP_MUX("gpt3", GPT, xrx200_pins_gpt3),
  	GRP_MUX("clkout0", CGU, xrx200_pins_clkout0),
  	GRP_MUX("clkout1", CGU, xrx200_pins_clkout1),
  	GRP_MUX("clkout2", CGU, xrx200_pins_clkout2),
  	GRP_MUX("clkout3", CGU, xrx200_pins_clkout3),
  	GRP_MUX("gnt1", PCI, xrx200_pins_pci_gnt1),
  	GRP_MUX("gnt2", PCI, xrx200_pins_pci_gnt2),
  	GRP_MUX("gnt3", PCI, xrx200_pins_pci_gnt3),
  	GRP_MUX("gnt4", PCI, xrx200_pins_pci_gnt4),
  	GRP_MUX("req1", PCI, xrx200_pins_pci_req1),
  	GRP_MUX("req2", PCI, xrx200_pins_pci_req2),
  	GRP_MUX("req3", PCI, xrx200_pins_pci_req3),
  	GRP_MUX("req4", PCI, xrx200_pins_pci_req4),
  	GRP_MUX("mdio", MDIO, xrx200_pins_mdio),
  	GRP_MUX("dfe led0", DFE, xrx200_pins_dfe_led0),
  	GRP_MUX("dfe led1", DFE, xrx200_pins_dfe_led1),
  	GRP_MUX("gphy0 led0", GPHY, xrx200_pins_gphy0_led0),
  	GRP_MUX("gphy0 led1", GPHY, xrx200_pins_gphy0_led1),
  	GRP_MUX("gphy0 led2", GPHY, xrx200_pins_gphy0_led2),
  	GRP_MUX("gphy1 led0", GPHY, xrx200_pins_gphy1_led0),
  	GRP_MUX("gphy1 led1", GPHY, xrx200_pins_gphy1_led1),
  	GRP_MUX("gphy1 led2", GPHY, xrx200_pins_gphy1_led2),
  };
  
  static const char * const xrx200_pci_grps[] = {"gnt1", "gnt2",
  						"gnt3", "gnt4",
  						"req1", "req2",
  						"req3", "req4"};
  static const char * const xrx200_spi_grps[] = {"spi_di", "spi_do",
  						"spi_clk", "spi_cs1",
  						"spi_cs2", "spi_cs3",
  						"spi_cs4", "spi_cs5",
  						"spi_cs6"};
  static const char * const xrx200_cgu_grps[] = {"clkout0", "clkout1",
  						"clkout2", "clkout3"};
  static const char * const xrx200_ebu_grps[] = {"ebu a23", "ebu a24",
  						"ebu a25", "ebu cs1",
  						"ebu wait", "ebu clk",
  						"nand ale", "nand cs1",
  						"nand cle", "nand rdy",
  						"nand rd"};
  static const char * const xrx200_exin_grps[] = {"exin0", "exin1", "exin2",
  						"exin3", "exin4", "exin5"};
  static const char * const xrx200_gpt_grps[] = {"gpt1", "gpt2", "gpt3"};
  static const char * const xrx200_usif_grps[] = {"usif uart_rx", "usif uart_tx",
  						"usif uart_rts", "usif uart_cts",
  						"usif uart_dtr", "usif uart_dsr",
  						"usif uart_dcd", "usif uart_ri",
  						"usif spi_di", "usif spi_do",
  						"usif spi_clk", "usif spi_cs0",
  						"usif spi_cs1", "usif spi_cs2"};
  static const char * const xrx200_stp_grps[] = {"stp"};
  static const char * const xrx200_nmi_grps[] = {"nmi"};
  static const char * const xrx200_mdio_grps[] = {"mdio"};
  static const char * const xrx200_dfe_grps[] = {"dfe led0", "dfe led1"};
  static const char * const xrx200_gphy_grps[] = {"gphy0 led0", "gphy0 led1",
  						"gphy0 led2", "gphy1 led0",
  						"gphy1 led1", "gphy1 led2"};
  
  static const struct ltq_pmx_func xrx200_funcs[] = {
  	{"spi",		ARRAY_AND_SIZE(xrx200_spi_grps)},
  	{"usif",	ARRAY_AND_SIZE(xrx200_usif_grps)},
  	{"cgu",		ARRAY_AND_SIZE(xrx200_cgu_grps)},
  	{"exin",	ARRAY_AND_SIZE(xrx200_exin_grps)},
  	{"stp",		ARRAY_AND_SIZE(xrx200_stp_grps)},
  	{"gpt",		ARRAY_AND_SIZE(xrx200_gpt_grps)},
  	{"nmi",		ARRAY_AND_SIZE(xrx200_nmi_grps)},
  	{"pci",		ARRAY_AND_SIZE(xrx200_pci_grps)},
  	{"ebu",		ARRAY_AND_SIZE(xrx200_ebu_grps)},
  	{"mdio",	ARRAY_AND_SIZE(xrx200_mdio_grps)},
  	{"dfe",		ARRAY_AND_SIZE(xrx200_dfe_grps)},
  	{"gphy",	ARRAY_AND_SIZE(xrx200_gphy_grps)},
  };
  
  /* ---------  xrx300 related code --------- */
  #define XRX300_MAX_PIN		64
  
  static const struct ltq_mfp_pin xrx300_mfp[] = {
  	/*       pin    f0	f1	f2	f3   */
  	MFP_XWAY(GPIO0, GPIO,	EXIN,	EPHY,	NONE),
  	MFP_XWAY(GPIO1, GPIO,	NONE,	EXIN,	NONE),
  	MFP_XWAY(GPIO2, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO3, GPIO,	CGU,	NONE,	NONE),
  	MFP_XWAY(GPIO4, GPIO,	STP,	DFE,	NONE),
  	MFP_XWAY(GPIO5, GPIO,	STP,	EPHY,	DFE),
  	MFP_XWAY(GPIO6, GPIO,	STP,	NONE,	NONE),
  	MFP_XWAY(GPIO7, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO8, GPIO,	CGU,	GPHY,	EPHY),
  	MFP_XWAY(GPIO9, GPIO,	WIFI,	NONE,	EXIN),
  	MFP_XWAY(GPIO10, GPIO,	USIF,	SPI,	EXIN),
  	MFP_XWAY(GPIO11, GPIO,	USIF,	WIFI,	SPI),
  	MFP_XWAY(GPIO12, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO13, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO14, GPIO,	CGU,	USIF,	EPHY),
  	MFP_XWAY(GPIO15, GPIO,	SPI,	NONE,	MCD),
  	MFP_XWAY(GPIO16, GPIO,	SPI,	EXIN,	NONE),
  	MFP_XWAY(GPIO17, GPIO,	SPI,	NONE,	NONE),
  	MFP_XWAY(GPIO18, GPIO,	SPI,	NONE,	NONE),
  	MFP_XWAY(GPIO19, GPIO,	USIF,	NONE,	EPHY),
  	MFP_XWAY(GPIO20, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO21, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO22, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO23, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO24, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO25, GPIO,	TDM,	NONE,	NONE),
  	MFP_XWAY(GPIO26, GPIO,	TDM,	NONE,	NONE),
  	MFP_XWAY(GPIO27, GPIO,	TDM,	NONE,	NONE),
  	MFP_XWAY(GPIO28, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO29, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO30, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO31, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO32, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO33, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO34, GPIO,	NONE,	SSI,	NONE),
  	MFP_XWAY(GPIO35, GPIO,	NONE,	SSI,	NONE),
  	MFP_XWAY(GPIO36, GPIO,	NONE,	SSI,	NONE),
  	MFP_XWAY(GPIO37, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO38, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO39, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO40, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO41, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO42, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO43, GPIO,	MDIO,	NONE,	NONE),
  	MFP_XWAY(GPIO44, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO45, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO46, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO47, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO48, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO49, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO50, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO51, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO52, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO53, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO54, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO55, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO56, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO57, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO58, GPIO,	EBU,	TDM,	NONE),
  	MFP_XWAY(GPIO59, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO60, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO61, GPIO,	EBU,	NONE,	NONE),
  	MFP_XWAY(GPIO62, NONE,	NONE,	NONE,	NONE),
  	MFP_XWAY(GPIO63, NONE,	NONE,	NONE,	NONE),
  };
  
  static const unsigned xrx300_exin_pin_map[] = {GPIO0, GPIO1, GPIO16, GPIO10, GPIO9};
  
  static const unsigned xrx300_pins_exin0[] = {GPIO0};
  static const unsigned xrx300_pins_exin1[] = {GPIO1};
  static const unsigned xrx300_pins_exin2[] = {GPIO16};
  /* EXIN3 is not available on xrX300 */
  static const unsigned xrx300_pins_exin4[] = {GPIO10};
  static const unsigned xrx300_pins_exin5[] = {GPIO9};
  
  static const unsigned xrx300_pins_usif_uart_rx[] = {GPIO11};
  static const unsigned xrx300_pins_usif_uart_tx[] = {GPIO10};
  
  static const unsigned xrx300_pins_usif_spi_di[] = {GPIO11};
  static const unsigned xrx300_pins_usif_spi_do[] = {GPIO10};
  static const unsigned xrx300_pins_usif_spi_clk[] = {GPIO19};
  static const unsigned xrx300_pins_usif_spi_cs0[] = {GPIO14};
  
  static const unsigned xrx300_pins_stp[] = {GPIO4, GPIO5, GPIO6};
  static const unsigned xrx300_pins_mdio[] = {GPIO42, GPIO43};
  
  static const unsigned xrx300_pins_dfe_led0[] = {GPIO4};
  static const unsigned xrx300_pins_dfe_led1[] = {GPIO5};
  
  static const unsigned xrx300_pins_ephy0_led0[] = {GPIO5};
  static const unsigned xrx300_pins_ephy0_led1[] = {GPIO8};
  static const unsigned xrx300_pins_ephy1_led0[] = {GPIO14};
  static const unsigned xrx300_pins_ephy1_led1[] = {GPIO19};
  
  static const unsigned xrx300_pins_nand_ale[] = {GPIO13};
  static const unsigned xrx300_pins_nand_cs1[] = {GPIO23};
  static const unsigned xrx300_pins_nand_cle[] = {GPIO24};
  static const unsigned xrx300_pins_nand_rdy[] = {GPIO48};
  static const unsigned xrx300_pins_nand_rd[] = {GPIO49};
  static const unsigned xrx300_pins_nand_d1[] = {GPIO50};
  static const unsigned xrx300_pins_nand_d0[] = {GPIO51};
  static const unsigned xrx300_pins_nand_d2[] = {GPIO52};
  static const unsigned xrx300_pins_nand_d7[] = {GPIO53};
  static const unsigned xrx300_pins_nand_d6[] = {GPIO54};
  static const unsigned xrx300_pins_nand_d5[] = {GPIO55};
  static const unsigned xrx300_pins_nand_d4[] = {GPIO56};
  static const unsigned xrx300_pins_nand_d3[] = {GPIO57};
  static const unsigned xrx300_pins_nand_cs0[] = {GPIO58};
  static const unsigned xrx300_pins_nand_wr[] = {GPIO59};
  static const unsigned xrx300_pins_nand_wp[] = {GPIO60};
  static const unsigned xrx300_pins_nand_se[] = {GPIO61};
  
  static const unsigned xrx300_pins_spi_di[] = {GPIO16};
  static const unsigned xrx300_pins_spi_do[] = {GPIO17};
  static const unsigned xrx300_pins_spi_clk[] = {GPIO18};
  static const unsigned xrx300_pins_spi_cs1[] = {GPIO15};
  /* SPI_CS2 is not available on xrX300 */
  /* SPI_CS3 is not available on xrX300 */
  static const unsigned xrx300_pins_spi_cs4[] = {GPIO10};
  /* SPI_CS5 is not available on xrX300 */
  static const unsigned xrx300_pins_spi_cs6[] = {GPIO11};
  
  /* CLKOUT0 is not available on xrX300 */
  /* CLKOUT1 is not available on xrX300 */
  static const unsigned xrx300_pins_clkout2[] = {GPIO3};
  
  static const struct ltq_pin_group xrx300_grps[] = {
  	GRP_MUX("exin0", EXIN, xrx300_pins_exin0),
  	GRP_MUX("exin1", EXIN, xrx300_pins_exin1),
  	GRP_MUX("exin2", EXIN, xrx300_pins_exin2),
  	GRP_MUX("exin4", EXIN, xrx300_pins_exin4),
  	GRP_MUX("exin5", EXIN, xrx300_pins_exin5),
  	GRP_MUX("nand ale", EBU, xrx300_pins_nand_ale),
  	GRP_MUX("nand cs1", EBU, xrx300_pins_nand_cs1),
  	GRP_MUX("nand cle", EBU, xrx300_pins_nand_cle),
  	GRP_MUX("nand rdy", EBU, xrx300_pins_nand_rdy),
  	GRP_MUX("nand rd", EBU, xrx300_pins_nand_rd),
  	GRP_MUX("nand d1", EBU, xrx300_pins_nand_d1),
  	GRP_MUX("nand d0", EBU, xrx300_pins_nand_d0),
  	GRP_MUX("nand d2", EBU, xrx300_pins_nand_d2),
  	GRP_MUX("nand d7", EBU, xrx300_pins_nand_d7),
  	GRP_MUX("nand d6", EBU, xrx300_pins_nand_d6),
  	GRP_MUX("nand d5", EBU, xrx300_pins_nand_d5),
  	GRP_MUX("nand d4", EBU, xrx300_pins_nand_d4),
  	GRP_MUX("nand d3", EBU, xrx300_pins_nand_d3),
  	GRP_MUX("nand cs0", EBU, xrx300_pins_nand_cs0),
  	GRP_MUX("nand wr", EBU, xrx300_pins_nand_wr),
  	GRP_MUX("nand wp", EBU, xrx300_pins_nand_wp),
  	GRP_MUX("nand se", EBU, xrx300_pins_nand_se),
  	GRP_MUX("spi_di", SPI, xrx300_pins_spi_di),
  	GRP_MUX("spi_do", SPI, xrx300_pins_spi_do),
  	GRP_MUX("spi_clk", SPI, xrx300_pins_spi_clk),
  	GRP_MUX("spi_cs1", SPI, xrx300_pins_spi_cs1),
  	GRP_MUX("spi_cs4", SPI, xrx300_pins_spi_cs4),
  	GRP_MUX("spi_cs6", SPI, xrx300_pins_spi_cs6),
  	GRP_MUX("usif uart_rx", USIF, xrx300_pins_usif_uart_rx),
  	GRP_MUX("usif uart_tx", USIF, xrx300_pins_usif_uart_tx),
  	GRP_MUX("usif spi_di", USIF, xrx300_pins_usif_spi_di),
  	GRP_MUX("usif spi_do", USIF, xrx300_pins_usif_spi_do),
  	GRP_MUX("usif spi_clk", USIF, xrx300_pins_usif_spi_clk),
  	GRP_MUX("usif spi_cs0", USIF, xrx300_pins_usif_spi_cs0),
  	GRP_MUX("stp", STP, xrx300_pins_stp),
  	GRP_MUX("clkout2", CGU, xrx300_pins_clkout2),
  	GRP_MUX("mdio", MDIO, xrx300_pins_mdio),
  	GRP_MUX("dfe led0", DFE, xrx300_pins_dfe_led0),
  	GRP_MUX("dfe led1", DFE, xrx300_pins_dfe_led1),
  	GRP_MUX("ephy0 led0", GPHY, xrx300_pins_ephy0_led0),
  	GRP_MUX("ephy0 led1", GPHY, xrx300_pins_ephy0_led1),
  	GRP_MUX("ephy1 led0", GPHY, xrx300_pins_ephy1_led0),
  	GRP_MUX("ephy1 led1", GPHY, xrx300_pins_ephy1_led1),
  };
  
  static const char * const xrx300_spi_grps[] = {"spi_di", "spi_do",
  						"spi_clk", "spi_cs1",
  						"spi_cs4", "spi_cs6"};
  static const char * const xrx300_cgu_grps[] = {"clkout2"};
  static const char * const xrx300_ebu_grps[] = {"nand ale", "nand cs1",
  						"nand cle", "nand rdy",
  						"nand rd", "nand d1",
  						"nand d0", "nand d2",
  						"nand d7", "nand d6",
  						"nand d5", "nand d4",
  						"nand d3", "nand cs0",
  						"nand wr", "nand wp",
  						"nand se"};
  static const char * const xrx300_exin_grps[] = {"exin0", "exin1", "exin2",
  						"exin4", "exin5"};
  static const char * const xrx300_usif_grps[] = {"usif uart_rx", "usif uart_tx",
  						"usif spi_di", "usif spi_do",
  						"usif spi_clk", "usif spi_cs0"};
  static const char * const xrx300_stp_grps[] = {"stp"};
  static const char * const xrx300_mdio_grps[] = {"mdio"};
  static const char * const xrx300_dfe_grps[] = {"dfe led0", "dfe led1"};
  static const char * const xrx300_gphy_grps[] = {"ephy0 led0", "ephy0 led1",
  						"ephy1 led0", "ephy1 led1"};
  
  static const struct ltq_pmx_func xrx300_funcs[] = {
  	{"spi",		ARRAY_AND_SIZE(xrx300_spi_grps)},
  	{"usif",	ARRAY_AND_SIZE(xrx300_usif_grps)},
  	{"cgu",		ARRAY_AND_SIZE(xrx300_cgu_grps)},
  	{"exin",	ARRAY_AND_SIZE(xrx300_exin_grps)},
  	{"stp",		ARRAY_AND_SIZE(xrx300_stp_grps)},
  	{"ebu",		ARRAY_AND_SIZE(xrx300_ebu_grps)},
  	{"mdio",	ARRAY_AND_SIZE(xrx300_mdio_grps)},
  	{"dfe",		ARRAY_AND_SIZE(xrx300_dfe_grps)},
  	{"ephy",	ARRAY_AND_SIZE(xrx300_gphy_grps)},
  };
  
  /* ---------  pinconf related code --------- */
  static int xway_pinconf_get(struct pinctrl_dev *pctldev,
  				unsigned pin,
  				unsigned long *config)
  {
  	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
  	enum ltq_pinconf_param param = LTQ_PINCONF_UNPACK_PARAM(*config);
  	int port = PORT(pin);
  	u32 reg;
  
  	switch (param) {
  	case LTQ_PINCONF_PARAM_OPEN_DRAIN:
  		if (port == PORT3)
  			reg = GPIO3_OD;
  		else
  			reg = GPIO_OD(pin);
  		*config = LTQ_PINCONF_PACK(param,
  			!gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
  		break;
  
  	case LTQ_PINCONF_PARAM_PULL:
  		if (port == PORT3)
  			reg = GPIO3_PUDEN;
  		else
  			reg = GPIO_PUDEN(pin);
  		if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin))) {
  			*config = LTQ_PINCONF_PACK(param, 0);
  			break;
  		}
  
  		if (port == PORT3)
  			reg = GPIO3_PUDSEL;
  		else
  			reg = GPIO_PUDSEL(pin);
  		if (!gpio_getbit(info->membase[0], reg, PORT_PIN(pin)))
  			*config = LTQ_PINCONF_PACK(param, 2);
  		else
  			*config = LTQ_PINCONF_PACK(param, 1);
  		break;
  
  	case LTQ_PINCONF_PARAM_OUTPUT:
  		reg = GPIO_DIR(pin);
  		*config = LTQ_PINCONF_PACK(param,
  			gpio_getbit(info->membase[0], reg, PORT_PIN(pin)));
  		break;
  	default:
  		dev_err(pctldev->dev, "Invalid config param %04x\n", param);
  		return -ENOTSUPP;
  	}
  	return 0;
  }
  
  static int xway_pinconf_set(struct pinctrl_dev *pctldev,
  				unsigned pin,
  				unsigned long *configs,
  				unsigned num_configs)
  {
  	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
  	enum ltq_pinconf_param param;
  	int arg;
  	int port = PORT(pin);
  	u32 reg;
  	int i;
  
  	for (i = 0; i < num_configs; i++) {
  		param = LTQ_PINCONF_UNPACK_PARAM(configs[i]);
  		arg = LTQ_PINCONF_UNPACK_ARG(configs[i]);
  
  		switch (param) {
  		case LTQ_PINCONF_PARAM_OPEN_DRAIN:
  			if (port == PORT3)
  				reg = GPIO3_OD;
  			else
  				reg = GPIO_OD(pin);
  			if (arg == 0)
  				gpio_setbit(info->membase[0],
  					reg,
  					PORT_PIN(pin));
  			else
  				gpio_clearbit(info->membase[0],
  					reg,
  					PORT_PIN(pin));
  			break;
  
  		case LTQ_PINCONF_PARAM_PULL:
  			if (port == PORT3)
  				reg = GPIO3_PUDEN;
  			else
  				reg = GPIO_PUDEN(pin);
  			if (arg == 0) {
  				gpio_clearbit(info->membase[0],
  					reg,
  					PORT_PIN(pin));
  				break;
  			}
  			gpio_setbit(info->membase[0], reg, PORT_PIN(pin));
  
  			if (port == PORT3)
  				reg = GPIO3_PUDSEL;
  			else
  				reg = GPIO_PUDSEL(pin);
  			if (arg == 1)
  				gpio_clearbit(info->membase[0],
  					reg,
  					PORT_PIN(pin));
  			else if (arg == 2)
  				gpio_setbit(info->membase[0],
  					reg,
  					PORT_PIN(pin));
  			else
  				dev_err(pctldev->dev,
  					"Invalid pull value %d\n", arg);
  			break;
  
  		case LTQ_PINCONF_PARAM_OUTPUT:
  			reg = GPIO_DIR(pin);
  			if (arg == 0)
  				gpio_clearbit(info->membase[0],
  					reg,
  					PORT_PIN(pin));
  			else
  				gpio_setbit(info->membase[0],
  					reg,
  					PORT_PIN(pin));
  			break;
  
  		default:
  			dev_err(pctldev->dev,
  				"Invalid config param %04x\n", param);
  			return -ENOTSUPP;
  		}
  	} /* for each config */
  
  	return 0;
  }
  
  int xway_pinconf_group_set(struct pinctrl_dev *pctldev,
  			unsigned selector,
  			unsigned long *configs,
  			unsigned num_configs)
  {
  	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctldev);
  	int i, ret = 0;
  
  	for (i = 0; i < info->grps[selector].npins && !ret; i++)
  		ret = xway_pinconf_set(pctldev,
  				info->grps[selector].pins[i],
  				configs,
  				num_configs);
  
  	return ret;
  }
  
  static const struct pinconf_ops xway_pinconf_ops = {
  	.pin_config_get	= xway_pinconf_get,
  	.pin_config_set	= xway_pinconf_set,
  	.pin_config_group_set = xway_pinconf_group_set,
  };
  
  static struct pinctrl_desc xway_pctrl_desc = {
  	.owner		= THIS_MODULE,
  	.confops	= &xway_pinconf_ops,
  };
  
  static inline int xway_mux_apply(struct pinctrl_dev *pctrldev,
  				int pin, int mux)
  {
  	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
  	int port = PORT(pin);
  	u32 alt1_reg = GPIO_ALT1(pin);
  
  	if (port == PORT3)
  		alt1_reg = GPIO3_ALT1;
  
  	if (mux & MUX_ALT0)
  		gpio_setbit(info->membase[0], GPIO_ALT0(pin), PORT_PIN(pin));
  	else
  		gpio_clearbit(info->membase[0], GPIO_ALT0(pin), PORT_PIN(pin));
  
  	if (mux & MUX_ALT1)
  		gpio_setbit(info->membase[0], alt1_reg, PORT_PIN(pin));
  	else
  		gpio_clearbit(info->membase[0], alt1_reg, PORT_PIN(pin));
  
  	return 0;
  }
  
  static const struct ltq_cfg_param xway_cfg_params[] = {
  	{"lantiq,pull",		LTQ_PINCONF_PARAM_PULL},
  	{"lantiq,open-drain",	LTQ_PINCONF_PARAM_OPEN_DRAIN},
  	{"lantiq,output",	LTQ_PINCONF_PARAM_OUTPUT},
  };
  
  static struct ltq_pinmux_info xway_info = {
  	.desc		= &xway_pctrl_desc,
  	.apply_mux	= xway_mux_apply,
  	.params		= xway_cfg_params,
  	.num_params	= ARRAY_SIZE(xway_cfg_params),
  };
  
  /* ---------  gpio_chip related code --------- */
  static void xway_gpio_set(struct gpio_chip *chip, unsigned int pin, int val)
  {
  	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
  
  	if (val)
  		gpio_setbit(info->membase[0], GPIO_OUT(pin), PORT_PIN(pin));
  	else
  		gpio_clearbit(info->membase[0], GPIO_OUT(pin), PORT_PIN(pin));
  }
  
  static int xway_gpio_get(struct gpio_chip *chip, unsigned int pin)
  {
  	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
  
  	return !!gpio_getbit(info->membase[0], GPIO_IN(pin), PORT_PIN(pin));
  }
  
  static int xway_gpio_dir_in(struct gpio_chip *chip, unsigned int pin)
  {
  	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
  
  	gpio_clearbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
  
  	return 0;
  }
  
  static int xway_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, int val)
  {
  	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
  
  	if (PORT(pin) == PORT3)
  		gpio_setbit(info->membase[0], GPIO3_OD, PORT_PIN(pin));
  	else
  		gpio_setbit(info->membase[0], GPIO_OD(pin), PORT_PIN(pin));
  	gpio_setbit(info->membase[0], GPIO_DIR(pin), PORT_PIN(pin));
  	xway_gpio_set(chip, pin, val);
  
  	return 0;
  }
  
  /*
   * gpiolib gpiod_to_irq callback function.
   * Returns the mapped IRQ (external interrupt) number for a given GPIO pin.
   */
  static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
  {
  	struct ltq_pinmux_info *info = dev_get_drvdata(chip->parent);
  	int i;
  
  	for (i = 0; i < info->num_exin; i++)
  		if (info->exin[i] == offset)
  			return ltq_eiu_get_irq(i);
  
  	return -1;
  }
  
  static struct gpio_chip xway_chip = {
  	.label = "gpio-xway",
  	.direction_input = xway_gpio_dir_in,
  	.direction_output = xway_gpio_dir_out,
  	.get = xway_gpio_get,
  	.set = xway_gpio_set,
  	.request = gpiochip_generic_request,
  	.free = gpiochip_generic_free,
  	.to_irq = xway_gpio_to_irq,
  	.base = -1,
  };
  
  
  /* --------- register the pinctrl layer --------- */
  struct pinctrl_xway_soc {
  	int pin_count;
  	const struct ltq_mfp_pin *mfp;
  	const struct ltq_pin_group *grps;
  	unsigned int num_grps;
  	const struct ltq_pmx_func *funcs;
  	unsigned int num_funcs;
  	const unsigned *exin;
  	unsigned int num_exin;
  };
  
  /* xway xr9 series (DEPRECATED: Use XWAY xRX100/xRX200 Family) */
  static struct pinctrl_xway_soc xr9_pinctrl = {
  	.pin_count = XR9_MAX_PIN,
  	.mfp = xway_mfp,
  	.grps = xway_grps,
  	.num_grps = ARRAY_SIZE(xway_grps),
  	.funcs = xrx_funcs,
  	.num_funcs = ARRAY_SIZE(xrx_funcs),
  	.exin = xway_exin_pin_map,
  	.num_exin = 6
  };
  
  /* XWAY AMAZON Family */
  static struct pinctrl_xway_soc ase_pinctrl = {
  	.pin_count = ASE_MAX_PIN,
  	.mfp = ase_mfp,
  	.grps = ase_grps,
  	.num_grps = ARRAY_SIZE(ase_grps),
  	.funcs = ase_funcs,
  	.num_funcs = ARRAY_SIZE(ase_funcs),
  	.exin = ase_exin_pin_map,
  	.num_exin = 3
  };
  
  /* XWAY DANUBE Family */
  static struct pinctrl_xway_soc danube_pinctrl = {
  	.pin_count = DANUBE_MAX_PIN,
  	.mfp = danube_mfp,
  	.grps = danube_grps,
  	.num_grps = ARRAY_SIZE(danube_grps),
  	.funcs = danube_funcs,
  	.num_funcs = ARRAY_SIZE(danube_funcs),
  	.exin = danube_exin_pin_map,
  	.num_exin = 3
  };
  
  /* XWAY xRX100 Family */
  static struct pinctrl_xway_soc xrx100_pinctrl = {
  	.pin_count = XRX100_MAX_PIN,
  	.mfp = xrx100_mfp,
  	.grps = xrx100_grps,
  	.num_grps = ARRAY_SIZE(xrx100_grps),
  	.funcs = xrx100_funcs,
  	.num_funcs = ARRAY_SIZE(xrx100_funcs),
  	.exin = xrx100_exin_pin_map,
  	.num_exin = 6
  };
  
  /* XWAY xRX200 Family */
  static struct pinctrl_xway_soc xrx200_pinctrl = {
  	.pin_count = XRX200_MAX_PIN,
  	.mfp = xrx200_mfp,
  	.grps = xrx200_grps,
  	.num_grps = ARRAY_SIZE(xrx200_grps),
  	.funcs = xrx200_funcs,
  	.num_funcs = ARRAY_SIZE(xrx200_funcs),
  	.exin = xrx200_exin_pin_map,
  	.num_exin = 6
  };
  
  /* XWAY xRX300 Family */
  static struct pinctrl_xway_soc xrx300_pinctrl = {
  	.pin_count = XRX300_MAX_PIN,
  	.mfp = xrx300_mfp,
  	.grps = xrx300_grps,
  	.num_grps = ARRAY_SIZE(xrx300_grps),
  	.funcs = xrx300_funcs,
  	.num_funcs = ARRAY_SIZE(xrx300_funcs),
  	.exin = xrx300_exin_pin_map,
  	.num_exin = 5
  };
  
  static struct pinctrl_gpio_range xway_gpio_range = {
  	.name	= "XWAY GPIO",
  	.gc	= &xway_chip,
  };
  
  static const struct of_device_id xway_match[] = {
  	{ .compatible = "lantiq,pinctrl-xway", .data = &danube_pinctrl}, /*DEPRECATED*/
  	{ .compatible = "lantiq,pinctrl-xr9", .data = &xr9_pinctrl}, /*DEPRECATED*/
  	{ .compatible = "lantiq,pinctrl-ase", .data = &ase_pinctrl}, /*DEPRECATED*/
  	{ .compatible = "lantiq,ase-pinctrl", .data = &ase_pinctrl},
  	{ .compatible = "lantiq,danube-pinctrl", .data = &danube_pinctrl},
  	{ .compatible = "lantiq,xrx100-pinctrl", .data = &xrx100_pinctrl},
  	{ .compatible = "lantiq,xrx200-pinctrl", .data = &xrx200_pinctrl},
  	{ .compatible = "lantiq,xrx300-pinctrl", .data = &xrx300_pinctrl},
  	{},
  };
  MODULE_DEVICE_TABLE(of, xway_match);
  
  static int pinmux_xway_probe(struct platform_device *pdev)
  {
  	const struct of_device_id *match;
  	const struct pinctrl_xway_soc *xway_soc;
  	struct resource *res;
  	int ret, i;
  
  	/* get and remap our register range */
  	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
  	xway_info.membase[0] = devm_ioremap_resource(&pdev->dev, res);
  	if (IS_ERR(xway_info.membase[0]))
  		return PTR_ERR(xway_info.membase[0]);
  
  	match = of_match_device(xway_match, &pdev->dev);
  	if (match)
  		xway_soc = (const struct pinctrl_xway_soc *) match->data;
  	else
  		xway_soc = &danube_pinctrl;
  
  	/* find out how many pads we have */
  	xway_chip.ngpio = xway_soc->pin_count;
  
  	/* load our pad descriptors */
  	xway_info.pads = devm_kcalloc(&pdev->dev,
  			xway_chip.ngpio, sizeof(struct pinctrl_pin_desc),
  			GFP_KERNEL);
  	if (!xway_info.pads)
  		return -ENOMEM;
  
  	for (i = 0; i < xway_chip.ngpio; i++) {
  		char *name = devm_kasprintf(&pdev->dev, GFP_KERNEL, "io%d", i);
  
  		if (!name)
  			return -ENOMEM;
  
  		xway_info.pads[i].number = GPIO0 + i;
  		xway_info.pads[i].name = name;
  	}
  	xway_pctrl_desc.pins = xway_info.pads;
  
  	/* setup the data needed by pinctrl */
  	xway_pctrl_desc.name	= dev_name(&pdev->dev);
  	xway_pctrl_desc.npins	= xway_chip.ngpio;
  
  	xway_info.num_pads	= xway_chip.ngpio;
  	xway_info.num_mfp	= xway_chip.ngpio;
  	xway_info.mfp		= xway_soc->mfp;
  	xway_info.grps		= xway_soc->grps;
  	xway_info.num_grps	= xway_soc->num_grps;
  	xway_info.funcs		= xway_soc->funcs;
  	xway_info.num_funcs	= xway_soc->num_funcs;
  	xway_info.exin		= xway_soc->exin;
  	xway_info.num_exin	= xway_soc->num_exin;
  
  	/* register with the generic lantiq layer */
  	ret = ltq_pinctrl_register(pdev, &xway_info);
  	if (ret) {
  		dev_err(&pdev->dev, "Failed to register pinctrl driver\n");
  		return ret;
  	}
  
  	/* register the gpio chip */
  	xway_chip.parent = &pdev->dev;
  	xway_chip.owner = THIS_MODULE;
  	xway_chip.of_node = pdev->dev.of_node;
  	ret = devm_gpiochip_add_data(&pdev->dev, &xway_chip, NULL);
  	if (ret) {
  		dev_err(&pdev->dev, "Failed to register gpio chip\n");
  		return ret;
  	}
  
  	/*
  	 * For DeviceTree-supported systems, the gpio core checks the
  	 * pinctrl's device node for the "gpio-ranges" property.
  	 * If it is present, it takes care of adding the pin ranges
  	 * for the driver. In this case the driver can skip ahead.
  	 *
  	 * In order to remain compatible with older, existing DeviceTree
  	 * files which don't set the "gpio-ranges" property or systems that
  	 * utilize ACPI the driver has to call gpiochip_add_pin_range().
  	 */
  	if (!of_property_read_bool(pdev->dev.of_node, "gpio-ranges")) {
  		/* finish with registering the gpio range in pinctrl */
  		xway_gpio_range.npins = xway_chip.ngpio;
  		xway_gpio_range.base = xway_chip.base;
  		pinctrl_add_gpio_range(xway_info.pctrl, &xway_gpio_range);
  	}
  
  	dev_info(&pdev->dev, "Init done\n");
  	return 0;
  }
  
  static struct platform_driver pinmux_xway_driver = {
  	.probe	= pinmux_xway_probe,
  	.driver = {
  		.name	= "pinctrl-xway",
  		.of_match_table = xway_match,
  	},
  };
  
  static int __init pinmux_xway_init(void)
  {
  	return platform_driver_register(&pinmux_xway_driver);
  }
  
  core_initcall_sync(pinmux_xway_init);
  