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/gpio-pxa.h>
16 #include <linux/platform_device.h>
17 #include <linux/io.h>
18 #include <linux/regulator/machine.h>
19 #include <linux/regulator/max8649.h>
20 #include <linux/mfd/max8925.h>
21 #include <linux/interrupt.h>
22
23 #include <mach/irqs.h>
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include <mach/addr-map.h>
27 #include <mach/mfp-mmp2.h>
28 #include <mach/mmp2.h>
29
30 #include "common.h"
31
32 #define JASPER_NR_IRQS (MMP_NR_IRQS + 48)
33
34 static unsigned long jasper_pin_config[] __initdata = {
35 /* UART1 */
36 GPIO29_UART1_RXD,
37 GPIO30_UART1_TXD,
38
39 /* UART3 */
40 GPIO51_UART3_RXD,
41 GPIO52_UART3_TXD,
42
43 /* DFI */
44 GPIO168_DFI_D0,
45 GPIO167_DFI_D1,
46 GPIO166_DFI_D2,
47 GPIO165_DFI_D3,
48 GPIO107_DFI_D4,
49 GPIO106_DFI_D5,
50 GPIO105_DFI_D6,
51 GPIO104_DFI_D7,
52 GPIO111_DFI_D8,
53 GPIO164_DFI_D9,
54 GPIO163_DFI_D10,
55 GPIO162_DFI_D11,
56 GPIO161_DFI_D12,
57 GPIO110_DFI_D13,
58 GPIO109_DFI_D14,
59 GPIO108_DFI_D15,
60 GPIO143_ND_nCS0,
61 GPIO144_ND_nCS1,
62 GPIO147_ND_nWE,
63 GPIO148_ND_nRE,
64 GPIO150_ND_ALE,
65 GPIO149_ND_CLE,
66 GPIO112_ND_RDY0,
67 GPIO160_ND_RDY1,
68
69 /* PMIC */
70 PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
71
72 /* MMC1 */
73 GPIO131_MMC1_DAT3,
74 GPIO132_MMC1_DAT2,
75 GPIO133_MMC1_DAT1,
76 GPIO134_MMC1_DAT0,
77 GPIO136_MMC1_CMD,
78 GPIO139_MMC1_CLK,
79 GPIO140_MMC1_CD,
80 GPIO141_MMC1_WP,
81
82 /* MMC2 */
83 GPIO37_MMC2_DAT3,
84 GPIO38_MMC2_DAT2,
85 GPIO39_MMC2_DAT1,
86 GPIO40_MMC2_DAT0,
87 GPIO41_MMC2_CMD,
88 GPIO42_MMC2_CLK,
89
90 /* MMC3 */
91 GPIO165_MMC3_DAT7,
92 GPIO162_MMC3_DAT6,
93 GPIO166_MMC3_DAT5,
94 GPIO163_MMC3_DAT4,
95 GPIO167_MMC3_DAT3,
96 GPIO164_MMC3_DAT2,
97 GPIO168_MMC3_DAT1,
98 GPIO111_MMC3_DAT0,
99 GPIO112_MMC3_CMD,
100 GPIO151_MMC3_CLK,
101 };
102
103 static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
104 .irq_base = MMP_GPIO_TO_IRQ(0),
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 jasper_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
131 static struct max8925_backlight_pdata jasper_backlight_data = {
132 .dual_string = 0,
133 };
134
135 static struct max8925_power_pdata jasper_power_data = {
136 .batt_detect = 0, /* can't detect battery by ID pin */
137 .topoff_threshold = MAX8925_TOPOFF_THR_10PER,
138 .fast_charge = MAX8925_FCHG_1000MA,
139 };
140
141 static struct max8925_platform_data jasper_max8925_info = {
142 .backlight = &jasper_backlight_data,
143 .power = &jasper_power_data,
144 .irq_base = MMP_NR_IRQS,
145 };
146
147 static struct i2c_board_info jasper_twsi1_info[] = {
148 [0] = {
149 .type = "max8649",
150 .addr = 0x60,
151 .platform_data = &jasper_max8649_info,
152 },
153 [1] = {
154 .type = "max8925",
155 .addr = 0x3c,
156 .irq = IRQ_MMP2_PMIC,
157 .platform_data = &jasper_max8925_info,
158 },
159 };
160
161 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
162 .clk_delay_cycles = 0x1f,
163 };
164
jasper_init(void)165 static void __init jasper_init(void)
166 {
167 mfp_config(ARRAY_AND_SIZE(jasper_pin_config));
168
169 /* on-chip devices */
170 mmp2_add_uart(1);
171 mmp2_add_uart(3);
172 mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(jasper_twsi1_info));
173 platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
174 sizeof(struct pxa_gpio_platform_data));
175 platform_device_register(&mmp2_device_gpio);
176 mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
177
178 regulator_has_full_constraints();
179 }
180
181 MACHINE_START(MARVELL_JASPER, "Jasper Development Platform")
182 .map_io = mmp_map_io,
183 .nr_irqs = JASPER_NR_IRQS,
184 .init_irq = mmp2_init_irq,
185 .init_time = mmp2_timer_init,
186 .init_machine = jasper_init,
187 .restart = mmp_restart,
188 MACHINE_END
189