1 /*
2 * linux/arch/arm/mach-mmp/jasper.c
3 *
4 * Support for the Marvell Jasper 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/regulator/machine.h>
18 #include <linux/regulator/max8649.h>
19 #include <linux/mfd/max8925.h>
20 #include <linux/interrupt.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
28 #include "common.h"
29
30 #define JASPER_NR_IRQS (IRQ_BOARD_START + 48)
31
32 static unsigned long jasper_pin_config[] __initdata = {
33 /* UART1 */
34 GPIO29_UART1_RXD,
35 GPIO30_UART1_TXD,
36
37 /* UART3 */
38 GPIO51_UART3_RXD,
39 GPIO52_UART3_TXD,
40
41 /* DFI */
42 GPIO168_DFI_D0,
43 GPIO167_DFI_D1,
44 GPIO166_DFI_D2,
45 GPIO165_DFI_D3,
46 GPIO107_DFI_D4,
47 GPIO106_DFI_D5,
48 GPIO105_DFI_D6,
49 GPIO104_DFI_D7,
50 GPIO111_DFI_D8,
51 GPIO164_DFI_D9,
52 GPIO163_DFI_D10,
53 GPIO162_DFI_D11,
54 GPIO161_DFI_D12,
55 GPIO110_DFI_D13,
56 GPIO109_DFI_D14,
57 GPIO108_DFI_D15,
58 GPIO143_ND_nCS0,
59 GPIO144_ND_nCS1,
60 GPIO147_ND_nWE,
61 GPIO148_ND_nRE,
62 GPIO150_ND_ALE,
63 GPIO149_ND_CLE,
64 GPIO112_ND_RDY0,
65 GPIO160_ND_RDY1,
66
67 /* PMIC */
68 PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
69
70 /* MMC1 */
71 GPIO131_MMC1_DAT3,
72 GPIO132_MMC1_DAT2,
73 GPIO133_MMC1_DAT1,
74 GPIO134_MMC1_DAT0,
75 GPIO136_MMC1_CMD,
76 GPIO139_MMC1_CLK,
77 GPIO140_MMC1_CD,
78 GPIO141_MMC1_WP,
79
80 /* MMC2 */
81 GPIO37_MMC2_DAT3,
82 GPIO38_MMC2_DAT2,
83 GPIO39_MMC2_DAT1,
84 GPIO40_MMC2_DAT0,
85 GPIO41_MMC2_CMD,
86 GPIO42_MMC2_CLK,
87
88 /* MMC3 */
89 GPIO165_MMC3_DAT7,
90 GPIO162_MMC3_DAT6,
91 GPIO166_MMC3_DAT5,
92 GPIO163_MMC3_DAT4,
93 GPIO167_MMC3_DAT3,
94 GPIO164_MMC3_DAT2,
95 GPIO168_MMC3_DAT1,
96 GPIO111_MMC3_DAT0,
97 GPIO112_MMC3_CMD,
98 GPIO151_MMC3_CLK,
99 };
100
101 static struct regulator_consumer_supply max8649_supply[] = {
102 REGULATOR_SUPPLY("vcc_core", NULL),
103 };
104
105 static struct regulator_init_data max8649_init_data = {
106 .constraints = {
107 .name = "vcc_core range",
108 .min_uV = 1150000,
109 .max_uV = 1280000,
110 .always_on = 1,
111 .boot_on = 1,
112 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
113 },
114 .num_consumer_supplies = 1,
115 .consumer_supplies = &max8649_supply[0],
116 };
117
118 static struct max8649_platform_data jasper_max8649_info = {
119 .mode = 2, /* VID1 = 1, VID0 = 0 */
120 .extclk = 0,
121 .ramp_timing = MAX8649_RAMP_32MV,
122 .regulator = &max8649_init_data,
123 };
124
125 static struct max8925_backlight_pdata jasper_backlight_data = {
126 .dual_string = 0,
127 };
128
129 static struct max8925_power_pdata jasper_power_data = {
130 .batt_detect = 0, /* can't detect battery by ID pin */
131 .topoff_threshold = MAX8925_TOPOFF_THR_10PER,
132 .fast_charge = MAX8925_FCHG_1000MA,
133 };
134
135 static struct max8925_platform_data jasper_max8925_info = {
136 .backlight = &jasper_backlight_data,
137 .power = &jasper_power_data,
138 .irq_base = IRQ_BOARD_START,
139 };
140
141 static struct i2c_board_info jasper_twsi1_info[] = {
142 [0] = {
143 .type = "max8649",
144 .addr = 0x60,
145 .platform_data = &jasper_max8649_info,
146 },
147 [1] = {
148 .type = "max8925",
149 .addr = 0x3c,
150 .irq = IRQ_MMP2_PMIC,
151 .platform_data = &jasper_max8925_info,
152 },
153 };
154
155 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
156 .clk_delay_cycles = 0x1f,
157 };
158
jasper_init(void)159 static void __init jasper_init(void)
160 {
161 mfp_config(ARRAY_AND_SIZE(jasper_pin_config));
162
163 /* on-chip devices */
164 mmp2_add_uart(1);
165 mmp2_add_uart(3);
166 mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(jasper_twsi1_info));
167 mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
168
169 regulator_has_full_constraints();
170 }
171
172 MACHINE_START(MARVELL_JASPER, "Jasper Development Platform")
173 .map_io = mmp_map_io,
174 .nr_irqs = JASPER_NR_IRQS,
175 .init_irq = mmp2_init_irq,
176 .timer = &mmp2_timer,
177 .init_machine = jasper_init,
178 .restart = mmp_restart,
179 MACHINE_END
180