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