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 "irqs.h"
24 #include <asm/mach-types.h>
25 #include <asm/mach/arch.h>
26 #include "addr-map.h"
27 #include "mfp-mmp2.h"
28 #include "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