LXR linux/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 <mach/irqs.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
  29#include "common.h"
  30
  31#define JASPER_NR_IRQS          (MMP_NR_IRQS + 48)
  32
  33static 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
 102static struct regulator_consumer_supply max8649_supply[] = {
 103        REGULATOR_SUPPLY("vcc_core", NULL),
 104};
 105
 106static 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
 119static 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
 126static struct max8925_backlight_pdata jasper_backlight_data = {
 127        .dual_string    = 0,
 128};
 129
 130static 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
 136static struct max8925_platform_data jasper_max8925_info = {
 137        .backlight              = &jasper_backlight_data,
 138        .power                  = &jasper_power_data,
 139        .irq_base               = MMP_NR_IRQS,
 140};
 141
 142static 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
 156static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
 157        .clk_delay_cycles = 0x1f,
 158};
 159
 160static 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
 173MACHINE_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        .restart        = mmp_restart,
 180MACHINE_END
 181