1/* 2 * Board support file for Nokia RM-680/696. 3 * 4 * Copyright (C) 2010 Nokia 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11#include <linux/io.h> 12#include <linux/i2c.h> 13#include <linux/gpio.h> 14#include <linux/init.h> 15#include <linux/i2c/twl.h> 16#include <linux/platform_device.h> 17#include <linux/regulator/fixed.h> 18#include <linux/regulator/machine.h> 19#include <linux/regulator/consumer.h> 20 21#include <asm/mach/arch.h> 22#include <asm/mach-types.h> 23 24#include <plat/i2c.h> 25#include <plat/mmc.h> 26#include <plat/usb.h> 27#include <plat/gpmc.h> 28#include "common.h" 29#include <plat/onenand.h> 30 31#include "mux.h" 32#include "hsmmc.h" 33#include "sdram-nokia.h" 34#include "common-board-devices.h" 35 36static struct regulator_consumer_supply rm680_vemmc_consumers[] = { 37 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"), 38}; 39 40/* Fixed regulator for internal eMMC */ 41static struct regulator_init_data rm680_vemmc = { 42 .constraints = { 43 .name = "rm680_vemmc", 44 .valid_modes_mask = REGULATOR_MODE_NORMAL 45 | REGULATOR_MODE_STANDBY, 46 .valid_ops_mask = REGULATOR_CHANGE_STATUS 47 | REGULATOR_CHANGE_MODE, 48 }, 49 .num_consumer_supplies = ARRAY_SIZE(rm680_vemmc_consumers), 50 .consumer_supplies = rm680_vemmc_consumers, 51}; 52 53static struct fixed_voltage_config rm680_vemmc_config = { 54 .supply_name = "VEMMC", 55 .microvolts = 2900000, 56 .gpio = 157, 57 .startup_delay = 150, 58 .enable_high = 1, 59 .init_data = &rm680_vemmc, 60}; 61 62static struct platform_device rm680_vemmc_device = { 63 .name = "reg-fixed-voltage", 64 .dev = { 65 .platform_data = &rm680_vemmc_config, 66 }, 67}; 68 69static struct platform_device *rm680_peripherals_devices[] __initdata = { 70 &rm680_vemmc_device, 71}; 72 73/* TWL */ 74static struct twl4030_gpio_platform_data rm680_gpio_data = { 75 .gpio_base = OMAP_MAX_GPIO_LINES, 76 .irq_base = TWL4030_GPIO_IRQ_BASE, 77 .irq_end = TWL4030_GPIO_IRQ_END, 78 .pullups = BIT(0), 79 .pulldowns = BIT(1) | BIT(2) | BIT(8) | BIT(15), 80}; 81 82static struct twl4030_platform_data rm680_twl_data = { 83 .gpio = &rm680_gpio_data, 84 /* add rest of the children here */ 85}; 86 87static void __init rm680_i2c_init(void) 88{ 89 omap3_pmic_get_config(&rm680_twl_data, TWL_COMMON_PDATA_USB, 0); 90 omap_pmic_init(1, 2900, "twl5031", INT_34XX_SYS_NIRQ, &rm680_twl_data); 91 omap_register_i2c_bus(2, 400, NULL, 0); 92 omap_register_i2c_bus(3, 400, NULL, 0); 93} 94 95#if defined(CONFIG_MTD_ONENAND_OMAP2) || \ 96 defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) 97static struct omap_onenand_platform_data board_onenand_data[] = { 98 { 99 .gpio_irq = 65, 100 .flags = ONENAND_SYNC_READWRITE, 101 } 102}; 103#endif 104 105/* eMMC */ 106static struct omap2_hsmmc_info mmc[] __initdata = { 107 { 108 .name = "internal", 109 .mmc = 2, 110 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_MMC_HIGHSPEED, 111 .gpio_cd = -EINVAL, 112 .gpio_wp = -EINVAL, 113 }, 114 { /* Terminator */ } 115}; 116 117static void __init rm680_peripherals_init(void) 118{ 119 platform_add_devices(rm680_peripherals_devices, 120 ARRAY_SIZE(rm680_peripherals_devices)); 121 rm680_i2c_init(); 122 gpmc_onenand_init(board_onenand_data); 123 omap_hsmmc_init(mmc); 124} 125 126#ifdef CONFIG_OMAP_MUX 127static struct omap_board_mux board_mux[] __initdata = { 128 { .reg_offset = OMAP_MUX_TERMINATOR }, 129}; 130#endif 131 132static void __init rm680_init(void) 133{ 134 struct omap_sdrc_params *sdrc_params; 135 136 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); 137 omap_serial_init(); 138 139 sdrc_params = nokia_get_sdram_timings(); 140 omap_sdrc_init(sdrc_params, sdrc_params); 141 142 usb_musb_init(NULL); 143 rm680_peripherals_init(); 144} 145 146MACHINE_START(NOKIA_RM680, "Nokia RM-680 board") 147 .atag_offset = 0x100, 148 .reserve = omap_reserve, 149 .map_io = omap3_map_io, 150 .init_early = omap3630_init_early, 151 .init_irq = omap3_init_irq, 152 .handle_irq = omap3_intc_handle_irq, 153 .init_machine = rm680_init, 154 .timer = &omap3_timer, 155 .restart = omap_prcm_restart, 156MACHINE_END 157 158MACHINE_START(NOKIA_RM696, "Nokia RM-696 board") 159 .atag_offset = 0x100, 160 .reserve = omap_reserve, 161 .map_io = omap3_map_io, 162 .init_early = omap3630_init_early, 163 .init_irq = omap3_init_irq, 164 .handle_irq = omap3_intc_handle_irq, 165 .init_machine = rm680_init, 166 .timer = &omap3_timer, 167 .restart = omap_prcm_restart, 168MACHINE_END 169