kernel/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/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
 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