Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 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> |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 17 | #include <linux/regulator/machine.h> |
| 18 | #include <linux/regulator/max8649.h> |
Mark F. Brown | e97d0fa | 2010-12-13 22:56:59 -0500 | [diff] [blame] | 19 | #include <linux/regulator/fixed.h> |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 20 | #include <linux/mfd/max8925.h> |
| 21 | |
| 22 | #include <asm/mach-types.h> |
| 23 | #include <asm/mach/arch.h> |
| 24 | #include <mach/addr-map.h> |
| 25 | #include <mach/mfp-mmp2.h> |
| 26 | #include <mach/mmp2.h> |
| 27 | #include <mach/irqs.h> |
| 28 | |
| 29 | #include "common.h" |
| 30 | |
| 31 | #define BROWNSTONE_NR_IRQS (IRQ_BOARD_START + 40) |
| 32 | |
Mark F. Brown | e97d0fa | 2010-12-13 22:56:59 -0500 | [diff] [blame] | 33 | #define GPIO_5V_ENABLE (89) |
| 34 | |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 35 | static unsigned long brownstone_pin_config[] __initdata = { |
| 36 | /* UART1 */ |
| 37 | GPIO29_UART1_RXD, |
| 38 | GPIO30_UART1_TXD, |
| 39 | |
| 40 | /* UART3 */ |
| 41 | GPIO51_UART3_RXD, |
| 42 | GPIO52_UART3_TXD, |
| 43 | |
| 44 | /* DFI */ |
| 45 | GPIO168_DFI_D0, |
| 46 | GPIO167_DFI_D1, |
| 47 | GPIO166_DFI_D2, |
| 48 | GPIO165_DFI_D3, |
| 49 | GPIO107_DFI_D4, |
| 50 | GPIO106_DFI_D5, |
| 51 | GPIO105_DFI_D6, |
| 52 | GPIO104_DFI_D7, |
| 53 | GPIO111_DFI_D8, |
| 54 | GPIO164_DFI_D9, |
| 55 | GPIO163_DFI_D10, |
| 56 | GPIO162_DFI_D11, |
| 57 | GPIO161_DFI_D12, |
| 58 | GPIO110_DFI_D13, |
| 59 | GPIO109_DFI_D14, |
| 60 | GPIO108_DFI_D15, |
| 61 | GPIO143_ND_nCS0, |
| 62 | GPIO144_ND_nCS1, |
| 63 | GPIO147_ND_nWE, |
| 64 | GPIO148_ND_nRE, |
| 65 | GPIO150_ND_ALE, |
| 66 | GPIO149_ND_CLE, |
| 67 | GPIO112_ND_RDY0, |
| 68 | GPIO160_ND_RDY1, |
| 69 | |
| 70 | /* PMIC */ |
| 71 | PMIC_PMIC_INT | MFP_LPM_EDGE_FALL, |
| 72 | |
| 73 | /* MMC0 */ |
| 74 | GPIO131_MMC1_DAT3 | MFP_PULL_HIGH, |
| 75 | GPIO132_MMC1_DAT2 | MFP_PULL_HIGH, |
| 76 | GPIO133_MMC1_DAT1 | MFP_PULL_HIGH, |
| 77 | GPIO134_MMC1_DAT0 | MFP_PULL_HIGH, |
| 78 | GPIO136_MMC1_CMD | MFP_PULL_HIGH, |
| 79 | GPIO139_MMC1_CLK, |
| 80 | GPIO140_MMC1_CD | MFP_PULL_LOW, |
| 81 | GPIO141_MMC1_WP | MFP_PULL_LOW, |
| 82 | |
| 83 | /* MMC1 */ |
| 84 | GPIO37_MMC2_DAT3 | MFP_PULL_HIGH, |
| 85 | GPIO38_MMC2_DAT2 | MFP_PULL_HIGH, |
| 86 | GPIO39_MMC2_DAT1 | MFP_PULL_HIGH, |
| 87 | GPIO40_MMC2_DAT0 | MFP_PULL_HIGH, |
| 88 | GPIO41_MMC2_CMD | MFP_PULL_HIGH, |
| 89 | GPIO42_MMC2_CLK, |
| 90 | |
| 91 | /* MMC2 */ |
| 92 | GPIO165_MMC3_DAT7 | MFP_PULL_HIGH, |
| 93 | GPIO162_MMC3_DAT6 | MFP_PULL_HIGH, |
| 94 | GPIO166_MMC3_DAT5 | MFP_PULL_HIGH, |
| 95 | GPIO163_MMC3_DAT4 | MFP_PULL_HIGH, |
| 96 | GPIO167_MMC3_DAT3 | MFP_PULL_HIGH, |
| 97 | GPIO164_MMC3_DAT2 | MFP_PULL_HIGH, |
| 98 | GPIO168_MMC3_DAT1 | MFP_PULL_HIGH, |
| 99 | GPIO111_MMC3_DAT0 | MFP_PULL_HIGH, |
| 100 | GPIO112_MMC3_CMD | MFP_PULL_HIGH, |
| 101 | GPIO151_MMC3_CLK, |
Mark F. Brown | e97d0fa | 2010-12-13 22:56:59 -0500 | [diff] [blame] | 102 | |
| 103 | /* 5V regulator */ |
| 104 | GPIO89_GPIO, |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 105 | }; |
| 106 | |
| 107 | static struct regulator_consumer_supply max8649_supply[] = { |
| 108 | REGULATOR_SUPPLY("vcc_core", NULL), |
| 109 | }; |
| 110 | |
| 111 | static struct regulator_init_data max8649_init_data = { |
| 112 | .constraints = { |
| 113 | .name = "vcc_core range", |
| 114 | .min_uV = 1150000, |
| 115 | .max_uV = 1280000, |
| 116 | .always_on = 1, |
| 117 | .boot_on = 1, |
| 118 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, |
| 119 | }, |
| 120 | .num_consumer_supplies = 1, |
| 121 | .consumer_supplies = &max8649_supply[0], |
| 122 | }; |
| 123 | |
| 124 | static struct max8649_platform_data brownstone_max8649_info = { |
| 125 | .mode = 2, /* VID1 = 1, VID0 = 0 */ |
| 126 | .extclk = 0, |
| 127 | .ramp_timing = MAX8649_RAMP_32MV, |
| 128 | .regulator = &max8649_init_data, |
| 129 | }; |
| 130 | |
Mark F. Brown | e97d0fa | 2010-12-13 22:56:59 -0500 | [diff] [blame] | 131 | static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = { |
| 132 | REGULATOR_SUPPLY("v_5vp", NULL), |
| 133 | }; |
| 134 | |
| 135 | static struct regulator_init_data brownstone_v_5vp_data = { |
| 136 | .constraints = { |
| 137 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
| 138 | }, |
| 139 | .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies), |
| 140 | .consumer_supplies = brownstone_v_5vp_supplies, |
| 141 | }; |
| 142 | |
| 143 | static struct fixed_voltage_config brownstone_v_5vp = { |
| 144 | .supply_name = "v_5vp", |
| 145 | .microvolts = 5000000, |
| 146 | .gpio = GPIO_5V_ENABLE, |
| 147 | .enable_high = 1, |
| 148 | .enabled_at_boot = 1, |
| 149 | .init_data = &brownstone_v_5vp_data, |
| 150 | }; |
| 151 | |
| 152 | static struct platform_device brownstone_v_5vp_device = { |
| 153 | .name = "reg-fixed-voltage", |
| 154 | .id = 1, |
| 155 | .dev = { |
| 156 | .platform_data = &brownstone_v_5vp, |
| 157 | }, |
| 158 | }; |
| 159 | |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 160 | static struct max8925_platform_data brownstone_max8925_info = { |
| 161 | .irq_base = IRQ_BOARD_START, |
| 162 | }; |
| 163 | |
| 164 | static struct i2c_board_info brownstone_twsi1_info[] = { |
| 165 | [0] = { |
| 166 | .type = "max8649", |
| 167 | .addr = 0x60, |
| 168 | .platform_data = &brownstone_max8649_info, |
| 169 | }, |
| 170 | [1] = { |
| 171 | .type = "max8925", |
| 172 | .addr = 0x3c, |
| 173 | .irq = IRQ_MMP2_PMIC, |
| 174 | .platform_data = &brownstone_max8925_info, |
| 175 | }, |
| 176 | }; |
| 177 | |
| 178 | static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = { |
Zhangfei Gao | 6f984f3 | 2011-06-08 17:41:59 +0800 | [diff] [blame] | 179 | .clk_delay_cycles = 0x1f, |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 180 | }; |
| 181 | |
Zhangfei Gao | 6f984f3 | 2011-06-08 17:41:59 +0800 | [diff] [blame] | 182 | static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = { |
| 183 | .clk_delay_cycles = 0x1f, |
| 184 | .flags = PXA_FLAG_CARD_PERMANENT |
| 185 | | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT, |
| 186 | }; |
| 187 | |
Leo Yan | 101bf4c | 2011-08-15 11:09:53 +0800 | [diff] [blame] | 188 | static struct sram_platdata mmp2_asram_platdata = { |
| 189 | .pool_name = "asram", |
| 190 | .granularity = SRAM_GRANULARITY, |
| 191 | }; |
Zhangfei Gao | 6f984f3 | 2011-06-08 17:41:59 +0800 | [diff] [blame] | 192 | |
Leo Yan | bca7ab3 | 2011-08-15 11:09:54 +0800 | [diff] [blame] | 193 | static struct sram_platdata mmp2_isram_platdata = { |
| 194 | .pool_name = "isram", |
| 195 | .granularity = SRAM_GRANULARITY, |
| 196 | }; |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 197 | |
| 198 | static void __init brownstone_init(void) |
| 199 | { |
| 200 | mfp_config(ARRAY_AND_SIZE(brownstone_pin_config)); |
| 201 | |
| 202 | /* on-chip devices */ |
| 203 | mmp2_add_uart(1); |
| 204 | mmp2_add_uart(3); |
| 205 | mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info)); |
| 206 | mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */ |
Zhangfei Gao | 6f984f3 | 2011-06-08 17:41:59 +0800 | [diff] [blame] | 207 | mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */ |
Leo Yan | 101bf4c | 2011-08-15 11:09:53 +0800 | [diff] [blame] | 208 | mmp2_add_asram(&mmp2_asram_platdata); |
Leo Yan | bca7ab3 | 2011-08-15 11:09:54 +0800 | [diff] [blame] | 209 | mmp2_add_isram(&mmp2_isram_platdata); |
Mark F. Brown | e97d0fa | 2010-12-13 22:56:59 -0500 | [diff] [blame] | 210 | |
| 211 | /* enable 5v regulator */ |
| 212 | platform_device_register(&brownstone_v_5vp_device); |
Haojian Zhuang | 13dee96 | 2010-11-25 11:33:13 +0800 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | MACHINE_START(BROWNSTONE, "Brownstone Development Platform") |
| 216 | /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */ |
| 217 | .map_io = mmp_map_io, |
| 218 | .nr_irqs = BROWNSTONE_NR_IRQS, |
| 219 | .init_irq = mmp2_init_irq, |
| 220 | .timer = &mmp2_timer, |
| 221 | .init_machine = brownstone_init, |
| 222 | MACHINE_END |