linux/arch/arm/mach-mmp/brownstone.c
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   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *  linux/arch/arm/mach-mmp/brownstone.c
   4 *
   5 *  Support for the Marvell Brownstone Development Platform.
   6 *
   7 *  Copyright (C) 2009-2010 Marvell International Ltd.
   8 */
   9
  10#include <linux/init.h>
  11#include <linux/kernel.h>
  12#include <linux/platform_device.h>
  13#include <linux/io.h>
  14#include <linux/gpio-pxa.h>
  15#include <linux/gpio/machine.h>
  16#include <linux/regulator/machine.h>
  17#include <linux/regulator/max8649.h>
  18#include <linux/regulator/fixed.h>
  19#include <linux/mfd/max8925.h>
  20
  21#include <asm/mach-types.h>
  22#include <asm/mach/arch.h>
  23#include "addr-map.h"
  24#include "mfp-mmp2.h"
  25#include "mmp2.h"
  26#include "irqs.h"
  27
  28#include "common.h"
  29
  30#define BROWNSTONE_NR_IRQS      (MMP_NR_IRQS + 40)
  31
  32#define GPIO_5V_ENABLE          (89)
  33
  34static unsigned long brownstone_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        /* MMC0 */
  73        GPIO131_MMC1_DAT3 | MFP_PULL_HIGH,
  74        GPIO132_MMC1_DAT2 | MFP_PULL_HIGH,
  75        GPIO133_MMC1_DAT1 | MFP_PULL_HIGH,
  76        GPIO134_MMC1_DAT0 | MFP_PULL_HIGH,
  77        GPIO136_MMC1_CMD | MFP_PULL_HIGH,
  78        GPIO139_MMC1_CLK,
  79        GPIO140_MMC1_CD | MFP_PULL_LOW,
  80        GPIO141_MMC1_WP | MFP_PULL_LOW,
  81
  82        /* MMC1 */
  83        GPIO37_MMC2_DAT3 | MFP_PULL_HIGH,
  84        GPIO38_MMC2_DAT2 | MFP_PULL_HIGH,
  85        GPIO39_MMC2_DAT1 | MFP_PULL_HIGH,
  86        GPIO40_MMC2_DAT0 | MFP_PULL_HIGH,
  87        GPIO41_MMC2_CMD | MFP_PULL_HIGH,
  88        GPIO42_MMC2_CLK,
  89
  90        /* MMC2 */
  91        GPIO165_MMC3_DAT7 | MFP_PULL_HIGH,
  92        GPIO162_MMC3_DAT6 | MFP_PULL_HIGH,
  93        GPIO166_MMC3_DAT5 | MFP_PULL_HIGH,
  94        GPIO163_MMC3_DAT4 | MFP_PULL_HIGH,
  95        GPIO167_MMC3_DAT3 | MFP_PULL_HIGH,
  96        GPIO164_MMC3_DAT2 | MFP_PULL_HIGH,
  97        GPIO168_MMC3_DAT1 | MFP_PULL_HIGH,
  98        GPIO111_MMC3_DAT0 | MFP_PULL_HIGH,
  99        GPIO112_MMC3_CMD | MFP_PULL_HIGH,
 100        GPIO151_MMC3_CLK,
 101
 102        /* 5V regulator */
 103        GPIO89_GPIO,
 104};
 105
 106static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
 107        .irq_base       = MMP_GPIO_TO_IRQ(0),
 108};
 109
 110static struct regulator_consumer_supply max8649_supply[] = {
 111        REGULATOR_SUPPLY("vcc_core", NULL),
 112};
 113
 114static struct regulator_init_data max8649_init_data = {
 115        .constraints    = {
 116                .name           = "vcc_core range",
 117                .min_uV         = 1150000,
 118                .max_uV         = 1280000,
 119                .always_on      = 1,
 120                .boot_on        = 1,
 121                .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 122        },
 123        .num_consumer_supplies  = 1,
 124        .consumer_supplies      = &max8649_supply[0],
 125};
 126
 127static struct max8649_platform_data brownstone_max8649_info = {
 128        .mode           = 2,    /* VID1 = 1, VID0 = 0 */
 129        .extclk         = 0,
 130        .ramp_timing    = MAX8649_RAMP_32MV,
 131        .regulator      = &max8649_init_data,
 132};
 133
 134static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = {
 135        REGULATOR_SUPPLY("v_5vp", NULL),
 136};
 137
 138static struct regulator_init_data brownstone_v_5vp_data = {
 139        .constraints    = {
 140                .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
 141        },
 142        .num_consumer_supplies  = ARRAY_SIZE(brownstone_v_5vp_supplies),
 143        .consumer_supplies      = brownstone_v_5vp_supplies,
 144};
 145
 146static struct fixed_voltage_config brownstone_v_5vp = {
 147        .supply_name            = "v_5vp",
 148        .microvolts             = 5000000,
 149        .enabled_at_boot        = 1,
 150        .init_data              = &brownstone_v_5vp_data,
 151};
 152
 153static struct platform_device brownstone_v_5vp_device = {
 154        .name           = "reg-fixed-voltage",
 155        .id             = 1,
 156        .dev = {
 157                .platform_data = &brownstone_v_5vp,
 158        },
 159};
 160
 161static struct gpiod_lookup_table brownstone_v_5vp_gpiod_table = {
 162        .dev_id = "reg-fixed-voltage.1", /* .id set to 1 above */
 163        .table = {
 164                GPIO_LOOKUP("gpio-pxa", GPIO_5V_ENABLE,
 165                            NULL, GPIO_ACTIVE_HIGH),
 166                { },
 167        },
 168};
 169
 170static struct max8925_platform_data brownstone_max8925_info = {
 171        .irq_base               = MMP_NR_IRQS,
 172};
 173
 174static struct i2c_board_info brownstone_twsi1_info[] = {
 175        [0] = {
 176                .type           = "max8649",
 177                .addr           = 0x60,
 178                .platform_data  = &brownstone_max8649_info,
 179        },
 180        [1] = {
 181                .type           = "max8925",
 182                .addr           = 0x3c,
 183                .irq            = IRQ_MMP2_PMIC,
 184                .platform_data  = &brownstone_max8925_info,
 185        },
 186};
 187
 188static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
 189        .clk_delay_cycles = 0x1f,
 190};
 191
 192static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
 193        .clk_delay_cycles = 0x1f,
 194        .flags = PXA_FLAG_CARD_PERMANENT
 195                | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
 196};
 197
 198static struct sram_platdata mmp2_asram_platdata = {
 199        .pool_name      = "asram",
 200        .granularity    = SRAM_GRANULARITY,
 201};
 202
 203static struct sram_platdata mmp2_isram_platdata = {
 204        .pool_name      = "isram",
 205        .granularity    = SRAM_GRANULARITY,
 206};
 207
 208static void __init brownstone_init(void)
 209{
 210        mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
 211
 212        /* on-chip devices */
 213        mmp2_add_uart(1);
 214        mmp2_add_uart(3);
 215        platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
 216                                 sizeof(struct pxa_gpio_platform_data));
 217        platform_device_register(&mmp2_device_gpio);
 218        mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
 219        mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
 220        mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
 221        mmp2_add_asram(&mmp2_asram_platdata);
 222        mmp2_add_isram(&mmp2_isram_platdata);
 223
 224        /* enable 5v regulator */
 225        gpiod_add_lookup_table(&brownstone_v_5vp_gpiod_table);
 226        platform_device_register(&brownstone_v_5vp_device);
 227}
 228
 229MACHINE_START(BROWNSTONE, "Brownstone Development Platform")
 230        /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */
 231        .map_io         = mmp_map_io,
 232        .nr_irqs        = BROWNSTONE_NR_IRQS,
 233        .init_irq       = mmp2_init_irq,
 234        .init_time      = mmp2_timer_init,
 235        .init_machine   = brownstone_init,
 236        .restart        = mmp_restart,
 237MACHINE_END
 238