1/* 2 * linux/arch/arm/mach-mmp/brownstone.c 3 * 4 * Support for the Marvell Brownstone Development Platform. 5 * 6 * Copyright (C) 2009-2010 Marvell International Ltd. 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * publishhed by the Free Software Foundation. 11 */ 12 13#include <linux/init.h> 14#include <linux/kernel.h> 15#include <linux/platform_device.h> 16#include <linux/io.h> 17#include <linux/gpio-pxa.h> 18#include <linux/regulator/machine.h> 19#include <linux/regulator/max8649.h> 20#include <linux/regulator/fixed.h> 21#include <linux/mfd/max8925.h> 22 23#include <asm/mach-types.h> 24#include <asm/mach/arch.h> 25#include <mach/addr-map.h> 26#include <mach/mfp-mmp2.h> 27#include <mach/mmp2.h> 28#include <mach/irqs.h> 29 30#include "common.h" 31 32#define BROWNSTONE_NR_IRQS (MMP_NR_IRQS + 40) 33 34#define GPIO_5V_ENABLE (89) 35 36static unsigned long brownstone_pin_config[] __initdata = { 37 /* UART1 */ 38 GPIO29_UART1_RXD, 39 GPIO30_UART1_TXD, 40 41 /* UART3 */ 42 GPIO51_UART3_RXD, 43 GPIO52_UART3_TXD, 44 45 /* DFI */ 46 GPIO168_DFI_D0, 47 GPIO167_DFI_D1, 48 GPIO166_DFI_D2, 49 GPIO165_DFI_D3, 50 GPIO107_DFI_D4, 51 GPIO106_DFI_D5, 52 GPIO105_DFI_D6, 53 GPIO104_DFI_D7, 54 GPIO111_DFI_D8, 55 GPIO164_DFI_D9, 56 GPIO163_DFI_D10, 57 GPIO162_DFI_D11, 58 GPIO161_DFI_D12, 59 GPIO110_DFI_D13, 60 GPIO109_DFI_D14, 61 GPIO108_DFI_D15, 62 GPIO143_ND_nCS0, 63 GPIO144_ND_nCS1, 64 GPIO147_ND_nWE, 65 GPIO148_ND_nRE, 66 GPIO150_ND_ALE, 67 GPIO149_ND_CLE, 68 GPIO112_ND_RDY0, 69 GPIO160_ND_RDY1, 70 71 /* PMIC */ 72 PMIC_PMIC_INT | MFP_LPM_EDGE_FALL, 73 74 /* MMC0 */ 75 GPIO131_MMC1_DAT3 | MFP_PULL_HIGH, 76 GPIO132_MMC1_DAT2 | MFP_PULL_HIGH, 77 GPIO133_MMC1_DAT1 | MFP_PULL_HIGH, 78 GPIO134_MMC1_DAT0 | MFP_PULL_HIGH, 79 GPIO136_MMC1_CMD | MFP_PULL_HIGH, 80 GPIO139_MMC1_CLK, 81 GPIO140_MMC1_CD | MFP_PULL_LOW, 82 GPIO141_MMC1_WP | MFP_PULL_LOW, 83 84 /* MMC1 */ 85 GPIO37_MMC2_DAT3 | MFP_PULL_HIGH, 86 GPIO38_MMC2_DAT2 | MFP_PULL_HIGH, 87 GPIO39_MMC2_DAT1 | MFP_PULL_HIGH, 88 GPIO40_MMC2_DAT0 | MFP_PULL_HIGH, 89 GPIO41_MMC2_CMD | MFP_PULL_HIGH, 90 GPIO42_MMC2_CLK, 91 92 /* MMC2 */ 93 GPIO165_MMC3_DAT7 | MFP_PULL_HIGH, 94 GPIO162_MMC3_DAT6 | MFP_PULL_HIGH, 95 GPIO166_MMC3_DAT5 | MFP_PULL_HIGH, 96 GPIO163_MMC3_DAT4 | MFP_PULL_HIGH, 97 GPIO167_MMC3_DAT3 | MFP_PULL_HIGH, 98 GPIO164_MMC3_DAT2 | MFP_PULL_HIGH, 99 GPIO168_MMC3_DAT1 | MFP_PULL_HIGH, 100 GPIO111_MMC3_DAT0 | MFP_PULL_HIGH, 101 GPIO112_MMC3_CMD | MFP_PULL_HIGH, 102 GPIO151_MMC3_CLK, 103 104 /* 5V regulator */ 105 GPIO89_GPIO, 106}; 107 108static struct pxa_gpio_platform_data mmp2_gpio_pdata = { 109 .irq_base = MMP_GPIO_TO_IRQ(0), 110}; 111 112static struct regulator_consumer_supply max8649_supply[] = { 113 REGULATOR_SUPPLY("vcc_core", NULL), 114}; 115 116static struct regulator_init_data max8649_init_data = { 117 .constraints = { 118 .name = "vcc_core range", 119 .min_uV = 1150000, 120 .max_uV = 1280000, 121 .always_on = 1, 122 .boot_on = 1, 123 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, 124 }, 125 .num_consumer_supplies = 1, 126 .consumer_supplies = &max8649_supply[0], 127}; 128 129static struct max8649_platform_data brownstone_max8649_info = { 130 .mode = 2, /* VID1 = 1, VID0 = 0 */ 131 .extclk = 0, 132 .ramp_timing = MAX8649_RAMP_32MV, 133 .regulator = &max8649_init_data, 134}; 135 136static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = { 137 REGULATOR_SUPPLY("v_5vp", NULL), 138}; 139 140static struct regulator_init_data brownstone_v_5vp_data = { 141 .constraints = { 142 .valid_ops_mask = REGULATOR_CHANGE_STATUS, 143 }, 144 .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies), 145 .consumer_supplies = brownstone_v_5vp_supplies, 146}; 147 148static struct fixed_voltage_config brownstone_v_5vp = { 149 .supply_name = "v_5vp", 150 .microvolts = 5000000, 151 .gpio = GPIO_5V_ENABLE, 152 .enable_high = 1, 153 .enabled_at_boot = 1, 154 .init_data = &brownstone_v_5vp_data, 155}; 156 157static struct platform_device brownstone_v_5vp_device = { 158 .name = "reg-fixed-voltage", 159 .id = 1, 160 .dev = { 161 .platform_data = &brownstone_v_5vp, 162 }, 163}; 164 165static struct max8925_platform_data brownstone_max8925_info = { 166 .irq_base = MMP_NR_IRQS, 167}; 168 169static struct i2c_board_info brownstone_twsi1_info[] = { 170 [0] = { 171 .type = "max8649", 172 .addr = 0x60, 173 .platform_data = &brownstone_max8649_info, 174 }, 175 [1] = { 176 .type = "max8925", 177 .addr = 0x3c, 178 .irq = IRQ_MMP2_PMIC, 179 .platform_data = &brownstone_max8925_info, 180 }, 181}; 182 183static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = { 184 .clk_delay_cycles = 0x1f, 185}; 186 187static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = { 188 .clk_delay_cycles = 0x1f, 189 .flags = PXA_FLAG_CARD_PERMANENT 190 | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT, 191}; 192 193static struct sram_platdata mmp2_asram_platdata = { 194 .pool_name = "asram", 195 .granularity = SRAM_GRANULARITY, 196}; 197 198static struct sram_platdata mmp2_isram_platdata = { 199 .pool_name = "isram", 200 .granularity = SRAM_GRANULARITY, 201}; 202 203static void __init brownstone_init(void) 204{ 205 mfp_config(ARRAY_AND_SIZE(brownstone_pin_config)); 206 207 /* on-chip devices */ 208 mmp2_add_uart(1); 209 mmp2_add_uart(3); 210 platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata, 211 sizeof(struct pxa_gpio_platform_data)); 212 platform_device_register(&mmp2_device_gpio); 213 mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info)); 214 mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */ 215 mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */ 216 mmp2_add_asram(&mmp2_asram_platdata); 217 mmp2_add_isram(&mmp2_isram_platdata); 218 219 /* enable 5v regulator */ 220 platform_device_register(&brownstone_v_5vp_device); 221} 222 223MACHINE_START(BROWNSTONE, "Brownstone Development Platform") 224 /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */ 225 .map_io = mmp_map_io, 226 .nr_irqs = BROWNSTONE_NR_IRQS, 227 .init_irq = mmp2_init_irq, 228 .init_time = mmp2_timer_init, 229 .init_machine = brownstone_init, 230 .restart = mmp_restart, 231MACHINE_END 232