2 * linux/arch/arm/mach-mmp/brownstone.c
4 * Support for the Marvell Brownstone Development Platform.
6 * Copyright (C) 2009-2010 Marvell International Ltd.
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.
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/platform_device.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>
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>
32 #define BROWNSTONE_NR_IRQS (IRQ_BOARD_START + 40)
34 #define GPIO_5V_ENABLE (89)
36 static unsigned long brownstone_pin_config[] __initdata = {
72 PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
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,
81 GPIO140_MMC1_CD | MFP_PULL_LOW,
82 GPIO141_MMC1_WP | MFP_PULL_LOW,
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,
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,
108 static struct regulator_consumer_supply max8649_supply[] = {
109 REGULATOR_SUPPLY("vcc_core", NULL),
112 static struct regulator_init_data max8649_init_data = {
114 .name = "vcc_core range",
119 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
121 .num_consumer_supplies = 1,
122 .consumer_supplies = &max8649_supply[0],
125 static struct max8649_platform_data brownstone_max8649_info = {
126 .mode = 2, /* VID1 = 1, VID0 = 0 */
128 .ramp_timing = MAX8649_RAMP_32MV,
129 .regulator = &max8649_init_data,
132 static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = {
133 REGULATOR_SUPPLY("v_5vp", NULL),
136 static struct regulator_init_data brownstone_v_5vp_data = {
138 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
140 .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies),
141 .consumer_supplies = brownstone_v_5vp_supplies,
144 static struct fixed_voltage_config brownstone_v_5vp = {
145 .supply_name = "v_5vp",
146 .microvolts = 5000000,
147 .gpio = GPIO_5V_ENABLE,
149 .enabled_at_boot = 1,
150 .init_data = &brownstone_v_5vp_data,
153 static struct platform_device brownstone_v_5vp_device = {
154 .name = "reg-fixed-voltage",
157 .platform_data = &brownstone_v_5vp,
161 static struct max8925_platform_data brownstone_max8925_info = {
162 .irq_base = IRQ_BOARD_START,
165 static struct i2c_board_info brownstone_twsi1_info[] = {
169 .platform_data = &brownstone_max8649_info,
174 .irq = IRQ_MMP2_PMIC,
175 .platform_data = &brownstone_max8925_info,
179 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
180 .clk_delay_cycles = 0x1f,
183 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
184 .clk_delay_cycles = 0x1f,
185 .flags = PXA_FLAG_CARD_PERMANENT
186 | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
190 static void __init brownstone_init(void)
192 mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
194 /* on-chip devices */
197 mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
198 mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
199 mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
201 /* enable 5v regulator */
202 platform_device_register(&brownstone_v_5vp_device);
205 MACHINE_START(BROWNSTONE, "Brownstone Development Platform")
206 /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */
207 .map_io = mmp_map_io,
208 .nr_irqs = BROWNSTONE_NR_IRQS,
209 .init_irq = mmp2_init_irq,
210 .timer = &mmp2_timer,
211 .init_machine = brownstone_init,