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