arch/arm/mach-mmp/jasper.c

   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
 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 MACHINE_END