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Diffstat (limited to 'arch/arm/mach-mmp/brownstone.c')
-rw-r--r-- | arch/arm/mach-mmp/brownstone.c | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c new file mode 100644 index 000000000000..7bb78fd5a2a6 --- /dev/null +++ b/arch/arm/mach-mmp/brownstone.c | |||
@@ -0,0 +1,204 @@ | |||
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.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 (IRQ_BOARD_START + 40) | ||
33 | |||
34 | #define GPIO_5V_ENABLE (89) | ||
35 | |||
36 | static 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 | |||
108 | static struct regulator_consumer_supply max8649_supply[] = { | ||
109 | REGULATOR_SUPPLY("vcc_core", NULL), | ||
110 | }; | ||
111 | |||
112 | static struct regulator_init_data max8649_init_data = { | ||
113 | .constraints = { | ||
114 | .name = "vcc_core range", | ||
115 | .min_uV = 1150000, | ||
116 | .max_uV = 1280000, | ||
117 | .always_on = 1, | ||
118 | .boot_on = 1, | ||
119 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | ||
120 | }, | ||
121 | .num_consumer_supplies = 1, | ||
122 | .consumer_supplies = &max8649_supply[0], | ||
123 | }; | ||
124 | |||
125 | static struct max8649_platform_data brownstone_max8649_info = { | ||
126 | .mode = 2, /* VID1 = 1, VID0 = 0 */ | ||
127 | .extclk = 0, | ||
128 | .ramp_timing = MAX8649_RAMP_32MV, | ||
129 | .regulator = &max8649_init_data, | ||
130 | }; | ||
131 | |||
132 | static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = { | ||
133 | REGULATOR_SUPPLY("v_5vp", NULL), | ||
134 | }; | ||
135 | |||
136 | static struct regulator_init_data brownstone_v_5vp_data = { | ||
137 | .constraints = { | ||
138 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, | ||
139 | }, | ||
140 | .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies), | ||
141 | .consumer_supplies = brownstone_v_5vp_supplies, | ||
142 | }; | ||
143 | |||
144 | static struct fixed_voltage_config brownstone_v_5vp = { | ||
145 | .supply_name = "v_5vp", | ||
146 | .microvolts = 5000000, | ||
147 | .gpio = GPIO_5V_ENABLE, | ||
148 | .enable_high = 1, | ||
149 | .enabled_at_boot = 1, | ||
150 | .init_data = &brownstone_v_5vp_data, | ||
151 | }; | ||
152 | |||
153 | static struct platform_device brownstone_v_5vp_device = { | ||
154 | .name = "reg-fixed-voltage", | ||
155 | .id = 1, | ||
156 | .dev = { | ||
157 | .platform_data = &brownstone_v_5vp, | ||
158 | }, | ||
159 | }; | ||
160 | |||
161 | static struct max8925_platform_data brownstone_max8925_info = { | ||
162 | .irq_base = IRQ_BOARD_START, | ||
163 | }; | ||
164 | |||
165 | static struct i2c_board_info brownstone_twsi1_info[] = { | ||
166 | [0] = { | ||
167 | .type = "max8649", | ||
168 | .addr = 0x60, | ||
169 | .platform_data = &brownstone_max8649_info, | ||
170 | }, | ||
171 | [1] = { | ||
172 | .type = "max8925", | ||
173 | .addr = 0x3c, | ||
174 | .irq = IRQ_MMP2_PMIC, | ||
175 | .platform_data = &brownstone_max8925_info, | ||
176 | }, | ||
177 | }; | ||
178 | |||
179 | static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = { | ||
180 | .max_speed = 25000000, | ||
181 | }; | ||
182 | |||
183 | static void __init brownstone_init(void) | ||
184 | { | ||
185 | mfp_config(ARRAY_AND_SIZE(brownstone_pin_config)); | ||
186 | |||
187 | /* on-chip devices */ | ||
188 | mmp2_add_uart(1); | ||
189 | mmp2_add_uart(3); | ||
190 | mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info)); | ||
191 | mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */ | ||
192 | |||
193 | /* enable 5v regulator */ | ||
194 | platform_device_register(&brownstone_v_5vp_device); | ||
195 | } | ||
196 | |||
197 | MACHINE_START(BROWNSTONE, "Brownstone Development Platform") | ||
198 | /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */ | ||
199 | .map_io = mmp_map_io, | ||
200 | .nr_irqs = BROWNSTONE_NR_IRQS, | ||
201 | .init_irq = mmp2_init_irq, | ||
202 | .timer = &mmp2_timer, | ||
203 | .init_machine = brownstone_init, | ||
204 | MACHINE_END | ||