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
  72 static struct regulator_consumer_supply max8649_supply[] = {
  73         REGULATOR_SUPPLY("vcc_core", NULL),
  74 };
  75
  76 static struct regulator_init_data max8649_init_data = {
  77         .constraints    = {
  78                 .name           = "vcc_core range",
  79                 .min_uV         = 1150000,
  80                 .max_uV         = 1280000,
  81                 .always_on      = 1,
  82                 .boot_on        = 1,
  83                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
  84         },
  85         .num_consumer_supplies  = 1,
  86         .consumer_supplies      = &max8649_supply[0],
  87 };
  88
  89 static struct max8649_platform_data jasper_max8649_info = {
  90         .mode           = 2,    /* VID1 = 1, VID0 = 0 */
  91         .extclk         = 0,
  92         .ramp_timing    = MAX8649_RAMP_32MV,
  93         .regulator      = &max8649_init_data,
  94 };
  95
  96 static struct max8925_backlight_pdata jasper_backlight_data = {
  97         .dual_string    = 0,
  98 };
  99
 100 static struct max8925_power_pdata jasper_power_data = {
 101         .batt_detect            = 0,    /* can't detect battery by ID pin */
 102         .topoff_threshold       = MAX8925_TOPOFF_THR_10PER,
 103         .fast_charge            = MAX8925_FCHG_1000MA,
 104 };
 105
 106 static struct max8925_platform_data jasper_max8925_info = {
 107         .backlight              = &jasper_backlight_data,
 108         .power                  = &jasper_power_data,
 109         .irq_base               = IRQ_BOARD_START,
 110 };
 111
 112 static struct i2c_board_info jasper_twsi1_info[] = {
 113         [0] = {
 114                 .type           = "max8649",
 115                 .addr           = 0x60,
 116                 .platform_data  = &jasper_max8649_info,
 117         },
 118         [1] = {
 119                 .type           = "max8925",
 120                 .addr           = 0x3c,
 121                 .irq            = IRQ_MMP2_PMIC,
 122                 .platform_data  = &jasper_max8925_info,
 123         },
 124 };
 125
 126 static void __init jasper_init(void)
 127 {
 128         mfp_config(ARRAY_AND_SIZE(jasper_pin_config));
 129
 130         /* on-chip devices */
 131         mmp2_add_uart(1);
 132         mmp2_add_uart(3);
 133         mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(jasper_twsi1_info));
 134
 135         regulator_has_full_constraints();
 136 }
 137
 138 MACHINE_START(MARVELL_JASPER, "Jasper Development Platform")
 139         .map_io         = mmp_map_io,
 140         .nr_irqs        = JASPER_NR_IRQS,
 141         .init_irq       = mmp2_init_irq,
 142         .timer          = &mmp2_timer,
 143         .init_machine   = jasper_init,
 144 MACHINE_END