drivers/pinctrl/spear/pinctrl-spear310.c - maze/linux - Git at Google

 /*
  * Driver for the ST Microelectronics SPEAr310 pinmux
  *
  * Copyright (C) 2012 ST Microelectronics
  * Viresh Kumar <viresh.linux@gmail.com>
  *
  * This file is licensed under the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
  */

 #include <linux/err.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
 #include <linux/platform_device.h>
 #include "pinctrl-spear3xx.h"

 #define DRIVER_NAME "spear310-pinmux"

 /* addresses */
 #define PMX_CONFIG_REG			0x08

 /* emi_cs_0_to_5_pins */
 static const unsigned emi_cs_0_to_5_pins[] = { 45, 46, 47, 48, 49, 50 };
 static struct spear_muxreg emi_cs_0_to_5_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux emi_cs_0_to_5_modemux[] = {
 	{
 		.muxregs = emi_cs_0_to_5_muxreg,
 		.nmuxregs = ARRAY_SIZE(emi_cs_0_to_5_muxreg),
 	},
 };

 static struct spear_pingroup emi_cs_0_to_5_pingroup = {
 	.name = "emi_cs_0_to_5_grp",
 	.pins = emi_cs_0_to_5_pins,
 	.npins = ARRAY_SIZE(emi_cs_0_to_5_pins),
 	.modemuxs = emi_cs_0_to_5_modemux,
 	.nmodemuxs = ARRAY_SIZE(emi_cs_0_to_5_modemux),
 };

 static const char *const emi_cs_0_to_5_grps[] = { "emi_cs_0_to_5_grp" };
 static struct spear_function emi_cs_0_to_5_function = {
 	.name = "emi",
 	.groups = emi_cs_0_to_5_grps,
 	.ngroups = ARRAY_SIZE(emi_cs_0_to_5_grps),
 };

 /* uart1_pins */
 static const unsigned uart1_pins[] = { 0, 1 };
 static struct spear_muxreg uart1_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_FIRDA_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux uart1_modemux[] = {
 	{
 		.muxregs = uart1_muxreg,
 		.nmuxregs = ARRAY_SIZE(uart1_muxreg),
 	},
 };

 static struct spear_pingroup uart1_pingroup = {
 	.name = "uart1_grp",
 	.pins = uart1_pins,
 	.npins = ARRAY_SIZE(uart1_pins),
 	.modemuxs = uart1_modemux,
 	.nmodemuxs = ARRAY_SIZE(uart1_modemux),
 };

 static const char *const uart1_grps[] = { "uart1_grp" };
 static struct spear_function uart1_function = {
 	.name = "uart1",
 	.groups = uart1_grps,
 	.ngroups = ARRAY_SIZE(uart1_grps),
 };

 /* uart2_pins */
 static const unsigned uart2_pins[] = { 43, 44 };
 static struct spear_muxreg uart2_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_TIMER_0_1_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux uart2_modemux[] = {
 	{
 		.muxregs = uart2_muxreg,
 		.nmuxregs = ARRAY_SIZE(uart2_muxreg),
 	},
 };

 static struct spear_pingroup uart2_pingroup = {
 	.name = "uart2_grp",
 	.pins = uart2_pins,
 	.npins = ARRAY_SIZE(uart2_pins),
 	.modemuxs = uart2_modemux,
 	.nmodemuxs = ARRAY_SIZE(uart2_modemux),
 };

 static const char *const uart2_grps[] = { "uart2_grp" };
 static struct spear_function uart2_function = {
 	.name = "uart2",
 	.groups = uart2_grps,
 	.ngroups = ARRAY_SIZE(uart2_grps),
 };

 /* uart3_pins */
 static const unsigned uart3_pins[] = { 37, 38 };
 static struct spear_muxreg uart3_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_UART0_MODEM_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux uart3_modemux[] = {
 	{
 		.muxregs = uart3_muxreg,
 		.nmuxregs = ARRAY_SIZE(uart3_muxreg),
 	},
 };

 static struct spear_pingroup uart3_pingroup = {
 	.name = "uart3_grp",
 	.pins = uart3_pins,
 	.npins = ARRAY_SIZE(uart3_pins),
 	.modemuxs = uart3_modemux,
 	.nmodemuxs = ARRAY_SIZE(uart3_modemux),
 };

 static const char *const uart3_grps[] = { "uart3_grp" };
 static struct spear_function uart3_function = {
 	.name = "uart3",
 	.groups = uart3_grps,
 	.ngroups = ARRAY_SIZE(uart3_grps),
 };

 /* uart4_pins */
 static const unsigned uart4_pins[] = { 39, 40 };
 static struct spear_muxreg uart4_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_UART0_MODEM_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux uart4_modemux[] = {
 	{
 		.muxregs = uart4_muxreg,
 		.nmuxregs = ARRAY_SIZE(uart4_muxreg),
 	},
 };

 static struct spear_pingroup uart4_pingroup = {
 	.name = "uart4_grp",
 	.pins = uart4_pins,
 	.npins = ARRAY_SIZE(uart4_pins),
 	.modemuxs = uart4_modemux,
 	.nmodemuxs = ARRAY_SIZE(uart4_modemux),
 };

 static const char *const uart4_grps[] = { "uart4_grp" };
 static struct spear_function uart4_function = {
 	.name = "uart4",
 	.groups = uart4_grps,
 	.ngroups = ARRAY_SIZE(uart4_grps),
 };

 /* uart5_pins */
 static const unsigned uart5_pins[] = { 41, 42 };
 static struct spear_muxreg uart5_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_UART0_MODEM_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux uart5_modemux[] = {
 	{
 		.muxregs = uart5_muxreg,
 		.nmuxregs = ARRAY_SIZE(uart5_muxreg),
 	},
 };

 static struct spear_pingroup uart5_pingroup = {
 	.name = "uart5_grp",
 	.pins = uart5_pins,
 	.npins = ARRAY_SIZE(uart5_pins),
 	.modemuxs = uart5_modemux,
 	.nmodemuxs = ARRAY_SIZE(uart5_modemux),
 };

 static const char *const uart5_grps[] = { "uart5_grp" };
 static struct spear_function uart5_function = {
 	.name = "uart5",
 	.groups = uart5_grps,
 	.ngroups = ARRAY_SIZE(uart5_grps),
 };

 /* fsmc_pins */
 static const unsigned fsmc_pins[] = { 34, 35, 36 };
 static struct spear_muxreg fsmc_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_SSP_CS_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux fsmc_modemux[] = {
 	{
 		.muxregs = fsmc_muxreg,
 		.nmuxregs = ARRAY_SIZE(fsmc_muxreg),
 	},
 };

 static struct spear_pingroup fsmc_pingroup = {
 	.name = "fsmc_grp",
 	.pins = fsmc_pins,
 	.npins = ARRAY_SIZE(fsmc_pins),
 	.modemuxs = fsmc_modemux,
 	.nmodemuxs = ARRAY_SIZE(fsmc_modemux),
 };

 static const char *const fsmc_grps[] = { "fsmc_grp" };
 static struct spear_function fsmc_function = {
 	.name = "fsmc",
 	.groups = fsmc_grps,
 	.ngroups = ARRAY_SIZE(fsmc_grps),
 };

 /* rs485_0_pins */
 static const unsigned rs485_0_pins[] = { 19, 20, 21, 22, 23 };
 static struct spear_muxreg rs485_0_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_MII_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux rs485_0_modemux[] = {
 	{
 		.muxregs = rs485_0_muxreg,
 		.nmuxregs = ARRAY_SIZE(rs485_0_muxreg),
 	},
 };

 static struct spear_pingroup rs485_0_pingroup = {
 	.name = "rs485_0_grp",
 	.pins = rs485_0_pins,
 	.npins = ARRAY_SIZE(rs485_0_pins),
 	.modemuxs = rs485_0_modemux,
 	.nmodemuxs = ARRAY_SIZE(rs485_0_modemux),
 };

 static const char *const rs485_0_grps[] = { "rs485_0" };
 static struct spear_function rs485_0_function = {
 	.name = "rs485_0",
 	.groups = rs485_0_grps,
 	.ngroups = ARRAY_SIZE(rs485_0_grps),
 };

 /* rs485_1_pins */
 static const unsigned rs485_1_pins[] = { 14, 15, 16, 17, 18 };
 static struct spear_muxreg rs485_1_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_MII_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux rs485_1_modemux[] = {
 	{
 		.muxregs = rs485_1_muxreg,
 		.nmuxregs = ARRAY_SIZE(rs485_1_muxreg),
 	},
 };

 static struct spear_pingroup rs485_1_pingroup = {
 	.name = "rs485_1_grp",
 	.pins = rs485_1_pins,
 	.npins = ARRAY_SIZE(rs485_1_pins),
 	.modemuxs = rs485_1_modemux,
 	.nmodemuxs = ARRAY_SIZE(rs485_1_modemux),
 };

 static const char *const rs485_1_grps[] = { "rs485_1" };
 static struct spear_function rs485_1_function = {
 	.name = "rs485_1",
 	.groups = rs485_1_grps,
 	.ngroups = ARRAY_SIZE(rs485_1_grps),
 };

 /* tdm_pins */
 static const unsigned tdm_pins[] = { 10, 11, 12, 13 };
 static struct spear_muxreg tdm_muxreg[] = {
 	{
 		.reg = PMX_CONFIG_REG,
 		.mask = PMX_MII_MASK,
 		.val = 0,
 	},
 };

 static struct spear_modemux tdm_modemux[] = {
 	{
 		.muxregs = tdm_muxreg,
 		.nmuxregs = ARRAY_SIZE(tdm_muxreg),
 	},
 };

 static struct spear_pingroup tdm_pingroup = {
 	.name = "tdm_grp",
 	.pins = tdm_pins,
 	.npins = ARRAY_SIZE(tdm_pins),
 	.modemuxs = tdm_modemux,
 	.nmodemuxs = ARRAY_SIZE(tdm_modemux),
 };

 static const char *const tdm_grps[] = { "tdm_grp" };
 static struct spear_function tdm_function = {
 	.name = "tdm",
 	.groups = tdm_grps,
 	.ngroups = ARRAY_SIZE(tdm_grps),
 };

 /* pingroups */
 static struct spear_pingroup *spear310_pingroups[] = {
 	SPEAR3XX_COMMON_PINGROUPS,
 	&emi_cs_0_to_5_pingroup,
 	&uart1_pingroup,
 	&uart2_pingroup,
 	&uart3_pingroup,
 	&uart4_pingroup,
 	&uart5_pingroup,
 	&fsmc_pingroup,
 	&rs485_0_pingroup,
 	&rs485_1_pingroup,
 	&tdm_pingroup,
 };

 /* functions */
 static struct spear_function *spear310_functions[] = {
 	SPEAR3XX_COMMON_FUNCTIONS,
 	&emi_cs_0_to_5_function,
 	&uart1_function,
 	&uart2_function,
 	&uart3_function,
 	&uart4_function,
 	&uart5_function,
 	&fsmc_function,
 	&rs485_0_function,
 	&rs485_1_function,
 	&tdm_function,
 };

 static struct of_device_id spear310_pinctrl_of_match[] = {
 	{
 		.compatible = "st,spear310-pinmux",
 	},
 	{},
 };

 static int __devinit spear310_pinctrl_probe(struct platform_device *pdev)
 {
 	int ret;

 	spear3xx_machdata.groups = spear310_pingroups;
 	spear3xx_machdata.ngroups = ARRAY_SIZE(spear310_pingroups);
 	spear3xx_machdata.functions = spear310_functions;
 	spear3xx_machdata.nfunctions = ARRAY_SIZE(spear310_functions);

 	pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);

 	spear3xx_machdata.modes_supported = false;

 	ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
 	if (ret)
 		return ret;

 	return 0;
 }

 static int __devexit spear310_pinctrl_remove(struct platform_device *pdev)
 {
 	return spear_pinctrl_remove(pdev);
 }

 static struct platform_driver spear310_pinctrl_driver = {
 	.driver = {
 		.name = DRIVER_NAME,
 		.owner = THIS_MODULE,
 		.of_match_table = spear310_pinctrl_of_match,
 	},
 	.probe = spear310_pinctrl_probe,
 	.remove = spear310_pinctrl_remove,
 };

 static int __init spear310_pinctrl_init(void)
 {
 	return platform_driver_register(&spear310_pinctrl_driver);
 }
 arch_initcall(spear310_pinctrl_init);

 static void __exit spear310_pinctrl_exit(void)
 {
 	platform_driver_unregister(&spear310_pinctrl_driver);
 }
 module_exit(spear310_pinctrl_exit);

 MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
 MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver");
 MODULE_LICENSE("GPL v2");
 MODULE_DEVICE_TABLE(of, SPEAr310_pinctrl_of_match);
	/*
	* Driver for the ST Microelectronics SPEAr310 pinmux
	*
	* Copyright (C) 2012 ST Microelectronics
	* Viresh Kumar <viresh.linux@gmail.com>
	*
	* This file is licensed under the terms of the GNU General Public
	* License version 2. This program is licensed "as is" without any
	* warranty of any kind, whether express or implied.
	*/

	#include <linux/err.h>
	#include <linux/init.h>
	#include <linux/module.h>
	#include <linux/of_device.h>
	#include <linux/platform_device.h>
	#include "pinctrl-spear3xx.h"

	#define DRIVER_NAME "spear310-pinmux"

	/* addresses */
	#define PMX_CONFIG_REG 0x08

	/* emi_cs_0_to_5_pins */
	static const unsigned emi_cs_0_to_5_pins[] = { 45, 46, 47, 48, 49, 50 };
	static struct spear_muxreg emi_cs_0_to_5_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_TIMER_0_1_MASK \| PMX_TIMER_2_3_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux emi_cs_0_to_5_modemux[] = {
	{
	.muxregs = emi_cs_0_to_5_muxreg,
	.nmuxregs = ARRAY_SIZE(emi_cs_0_to_5_muxreg),
	},
	};

	static struct spear_pingroup emi_cs_0_to_5_pingroup = {
	.name = "emi_cs_0_to_5_grp",
	.pins = emi_cs_0_to_5_pins,
	.npins = ARRAY_SIZE(emi_cs_0_to_5_pins),
	.modemuxs = emi_cs_0_to_5_modemux,
	.nmodemuxs = ARRAY_SIZE(emi_cs_0_to_5_modemux),
	};

	static const char *const emi_cs_0_to_5_grps[] = { "emi_cs_0_to_5_grp" };
	static struct spear_function emi_cs_0_to_5_function = {
	.name = "emi",
	.groups = emi_cs_0_to_5_grps,
	.ngroups = ARRAY_SIZE(emi_cs_0_to_5_grps),
	};

	/* uart1_pins */
	static const unsigned uart1_pins[] = { 0, 1 };
	static struct spear_muxreg uart1_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_FIRDA_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux uart1_modemux[] = {
	{
	.muxregs = uart1_muxreg,
	.nmuxregs = ARRAY_SIZE(uart1_muxreg),
	},
	};

	static struct spear_pingroup uart1_pingroup = {
	.name = "uart1_grp",
	.pins = uart1_pins,
	.npins = ARRAY_SIZE(uart1_pins),
	.modemuxs = uart1_modemux,
	.nmodemuxs = ARRAY_SIZE(uart1_modemux),
	};

	static const char *const uart1_grps[] = { "uart1_grp" };
	static struct spear_function uart1_function = {
	.name = "uart1",
	.groups = uart1_grps,
	.ngroups = ARRAY_SIZE(uart1_grps),
	};

	/* uart2_pins */
	static const unsigned uart2_pins[] = { 43, 44 };
	static struct spear_muxreg uart2_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_TIMER_0_1_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux uart2_modemux[] = {
	{
	.muxregs = uart2_muxreg,
	.nmuxregs = ARRAY_SIZE(uart2_muxreg),
	},
	};

	static struct spear_pingroup uart2_pingroup = {
	.name = "uart2_grp",
	.pins = uart2_pins,
	.npins = ARRAY_SIZE(uart2_pins),
	.modemuxs = uart2_modemux,
	.nmodemuxs = ARRAY_SIZE(uart2_modemux),
	};

	static const char *const uart2_grps[] = { "uart2_grp" };
	static struct spear_function uart2_function = {
	.name = "uart2",
	.groups = uart2_grps,
	.ngroups = ARRAY_SIZE(uart2_grps),
	};

	/* uart3_pins */
	static const unsigned uart3_pins[] = { 37, 38 };
	static struct spear_muxreg uart3_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_UART0_MODEM_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux uart3_modemux[] = {
	{
	.muxregs = uart3_muxreg,
	.nmuxregs = ARRAY_SIZE(uart3_muxreg),
	},
	};

	static struct spear_pingroup uart3_pingroup = {
	.name = "uart3_grp",
	.pins = uart3_pins,
	.npins = ARRAY_SIZE(uart3_pins),
	.modemuxs = uart3_modemux,
	.nmodemuxs = ARRAY_SIZE(uart3_modemux),
	};

	static const char *const uart3_grps[] = { "uart3_grp" };
	static struct spear_function uart3_function = {
	.name = "uart3",
	.groups = uart3_grps,
	.ngroups = ARRAY_SIZE(uart3_grps),
	};

	/* uart4_pins */
	static const unsigned uart4_pins[] = { 39, 40 };
	static struct spear_muxreg uart4_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_UART0_MODEM_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux uart4_modemux[] = {
	{
	.muxregs = uart4_muxreg,
	.nmuxregs = ARRAY_SIZE(uart4_muxreg),
	},
	};

	static struct spear_pingroup uart4_pingroup = {
	.name = "uart4_grp",
	.pins = uart4_pins,
	.npins = ARRAY_SIZE(uart4_pins),
	.modemuxs = uart4_modemux,
	.nmodemuxs = ARRAY_SIZE(uart4_modemux),
	};

	static const char *const uart4_grps[] = { "uart4_grp" };
	static struct spear_function uart4_function = {
	.name = "uart4",
	.groups = uart4_grps,
	.ngroups = ARRAY_SIZE(uart4_grps),
	};

	/* uart5_pins */
	static const unsigned uart5_pins[] = { 41, 42 };
	static struct spear_muxreg uart5_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_UART0_MODEM_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux uart5_modemux[] = {
	{
	.muxregs = uart5_muxreg,
	.nmuxregs = ARRAY_SIZE(uart5_muxreg),
	},
	};

	static struct spear_pingroup uart5_pingroup = {
	.name = "uart5_grp",
	.pins = uart5_pins,
	.npins = ARRAY_SIZE(uart5_pins),
	.modemuxs = uart5_modemux,
	.nmodemuxs = ARRAY_SIZE(uart5_modemux),
	};

	static const char *const uart5_grps[] = { "uart5_grp" };
	static struct spear_function uart5_function = {
	.name = "uart5",
	.groups = uart5_grps,
	.ngroups = ARRAY_SIZE(uart5_grps),
	};

	/* fsmc_pins */
	static const unsigned fsmc_pins[] = { 34, 35, 36 };
	static struct spear_muxreg fsmc_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_SSP_CS_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux fsmc_modemux[] = {
	{
	.muxregs = fsmc_muxreg,
	.nmuxregs = ARRAY_SIZE(fsmc_muxreg),
	},
	};

	static struct spear_pingroup fsmc_pingroup = {
	.name = "fsmc_grp",
	.pins = fsmc_pins,
	.npins = ARRAY_SIZE(fsmc_pins),
	.modemuxs = fsmc_modemux,
	.nmodemuxs = ARRAY_SIZE(fsmc_modemux),
	};

	static const char *const fsmc_grps[] = { "fsmc_grp" };
	static struct spear_function fsmc_function = {
	.name = "fsmc",
	.groups = fsmc_grps,
	.ngroups = ARRAY_SIZE(fsmc_grps),
	};

	/* rs485_0_pins */
	static const unsigned rs485_0_pins[] = { 19, 20, 21, 22, 23 };
	static struct spear_muxreg rs485_0_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_MII_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux rs485_0_modemux[] = {
	{
	.muxregs = rs485_0_muxreg,
	.nmuxregs = ARRAY_SIZE(rs485_0_muxreg),
	},
	};

	static struct spear_pingroup rs485_0_pingroup = {
	.name = "rs485_0_grp",
	.pins = rs485_0_pins,
	.npins = ARRAY_SIZE(rs485_0_pins),
	.modemuxs = rs485_0_modemux,
	.nmodemuxs = ARRAY_SIZE(rs485_0_modemux),
	};

	static const char *const rs485_0_grps[] = { "rs485_0" };
	static struct spear_function rs485_0_function = {
	.name = "rs485_0",
	.groups = rs485_0_grps,
	.ngroups = ARRAY_SIZE(rs485_0_grps),
	};

	/* rs485_1_pins */
	static const unsigned rs485_1_pins[] = { 14, 15, 16, 17, 18 };
	static struct spear_muxreg rs485_1_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_MII_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux rs485_1_modemux[] = {
	{
	.muxregs = rs485_1_muxreg,
	.nmuxregs = ARRAY_SIZE(rs485_1_muxreg),
	},
	};

	static struct spear_pingroup rs485_1_pingroup = {
	.name = "rs485_1_grp",
	.pins = rs485_1_pins,
	.npins = ARRAY_SIZE(rs485_1_pins),
	.modemuxs = rs485_1_modemux,
	.nmodemuxs = ARRAY_SIZE(rs485_1_modemux),
	};

	static const char *const rs485_1_grps[] = { "rs485_1" };
	static struct spear_function rs485_1_function = {
	.name = "rs485_1",
	.groups = rs485_1_grps,
	.ngroups = ARRAY_SIZE(rs485_1_grps),
	};

	/* tdm_pins */
	static const unsigned tdm_pins[] = { 10, 11, 12, 13 };
	static struct spear_muxreg tdm_muxreg[] = {
	{
	.reg = PMX_CONFIG_REG,
	.mask = PMX_MII_MASK,
	.val = 0,
	},
	};

	static struct spear_modemux tdm_modemux[] = {
	{
	.muxregs = tdm_muxreg,
	.nmuxregs = ARRAY_SIZE(tdm_muxreg),
	},
	};

	static struct spear_pingroup tdm_pingroup = {
	.name = "tdm_grp",
	.pins = tdm_pins,
	.npins = ARRAY_SIZE(tdm_pins),
	.modemuxs = tdm_modemux,
	.nmodemuxs = ARRAY_SIZE(tdm_modemux),
	};

	static const char *const tdm_grps[] = { "tdm_grp" };
	static struct spear_function tdm_function = {
	.name = "tdm",
	.groups = tdm_grps,
	.ngroups = ARRAY_SIZE(tdm_grps),
	};

	/* pingroups */
	static struct spear_pingroup *spear310_pingroups[] = {
	SPEAR3XX_COMMON_PINGROUPS,
	&emi_cs_0_to_5_pingroup,
	&uart1_pingroup,
	&uart2_pingroup,
	&uart3_pingroup,
	&uart4_pingroup,
	&uart5_pingroup,
	&fsmc_pingroup,
	&rs485_0_pingroup,
	&rs485_1_pingroup,
	&tdm_pingroup,
	};

	/* functions */
	static struct spear_function *spear310_functions[] = {
	SPEAR3XX_COMMON_FUNCTIONS,
	&emi_cs_0_to_5_function,
	&uart1_function,
	&uart2_function,
	&uart3_function,
	&uart4_function,
	&uart5_function,
	&fsmc_function,
	&rs485_0_function,
	&rs485_1_function,
	&tdm_function,
	};

	static struct of_device_id spear310_pinctrl_of_match[] = {
	{
	.compatible = "st,spear310-pinmux",
	},
	{},
	};

	static int __devinit spear310_pinctrl_probe(struct platform_device *pdev)
	{
	int ret;

	spear3xx_machdata.groups = spear310_pingroups;
	spear3xx_machdata.ngroups = ARRAY_SIZE(spear310_pingroups);
	spear3xx_machdata.functions = spear310_functions;
	spear3xx_machdata.nfunctions = ARRAY_SIZE(spear310_functions);

	pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);

	spear3xx_machdata.modes_supported = false;

	ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
	if (ret)
	return ret;

	return 0;
	}

	static int __devexit spear310_pinctrl_remove(struct platform_device *pdev)
	{
	return spear_pinctrl_remove(pdev);
	}

	static struct platform_driver spear310_pinctrl_driver = {
	.driver = {
	.name = DRIVER_NAME,
	.owner = THIS_MODULE,
	.of_match_table = spear310_pinctrl_of_match,
	},
	.probe = spear310_pinctrl_probe,
	.remove = spear310_pinctrl_remove,
	};

	static int __init spear310_pinctrl_init(void)
	{
	return platform_driver_register(&spear310_pinctrl_driver);
	}
	arch_initcall(spear310_pinctrl_init);

	static void __exit spear310_pinctrl_exit(void)
	{
	platform_driver_unregister(&spear310_pinctrl_driver);
	}
	module_exit(spear310_pinctrl_exit);

	MODULE_AUTHOR("Viresh Kumar <viresh.linux@gmail.com>");
	MODULE_DESCRIPTION("ST Microelectronics SPEAr310 pinctrl driver");
	MODULE_LICENSE("GPL v2");
	MODULE_DEVICE_TABLE(of, SPEAr310_pinctrl_of_match);