linux/arch/arm/mach-mmp/jasper.c
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   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 "irqs.h"
  24#include <asm/mach-types.h>
  25#include <asm/mach/arch.h>
  26#include "addr-map.h"
  27#include "mfp-mmp2.h"
  28#include "mmp2.h"
  29
  30#include "common.h"
  31
  32#define JASPER_NR_IRQS          (MMP_NR_IRQS + 48)
  33
  34static 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
 103static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
 104        .irq_base       = MMP_GPIO_TO_IRQ(0),
 105};
 106
 107static struct regulator_consumer_supply max8649_supply[] = {
 108        REGULATOR_SUPPLY("vcc_core", NULL),
 109};
 110
 111static 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
 124static 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
 131static struct max8925_backlight_pdata jasper_backlight_data = {
 132        .dual_string    = 0,
 133};
 134
 135static 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
 141static 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
 147static 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
 161static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
 162        .clk_delay_cycles = 0x1f,
 163};
 164
 165static 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
 181MACHINE_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,
 188MACHINE_END
 189