223 lines
5.2 KiB
C
223 lines
5.2 KiB
C
/*
|
|
* linux/arch/arm/mach-mmp/brownstone.c
|
|
*
|
|
* Support for the Marvell Brownstone Development Platform.
|
|
*
|
|
* Copyright (C) 2009-2010 Marvell International Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* publishhed by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/regulator/machine.h>
|
|
#include <linux/regulator/max8649.h>
|
|
#include <linux/regulator/fixed.h>
|
|
#include <linux/mfd/max8925.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <mach/addr-map.h>
|
|
#include <mach/mfp-mmp2.h>
|
|
#include <mach/mmp2.h>
|
|
#include <mach/irqs.h>
|
|
|
|
#include "common.h"
|
|
|
|
#define BROWNSTONE_NR_IRQS (IRQ_BOARD_START + 40)
|
|
|
|
#define GPIO_5V_ENABLE (89)
|
|
|
|
static unsigned long brownstone_pin_config[] __initdata = {
|
|
/* UART1 */
|
|
GPIO29_UART1_RXD,
|
|
GPIO30_UART1_TXD,
|
|
|
|
/* UART3 */
|
|
GPIO51_UART3_RXD,
|
|
GPIO52_UART3_TXD,
|
|
|
|
/* DFI */
|
|
GPIO168_DFI_D0,
|
|
GPIO167_DFI_D1,
|
|
GPIO166_DFI_D2,
|
|
GPIO165_DFI_D3,
|
|
GPIO107_DFI_D4,
|
|
GPIO106_DFI_D5,
|
|
GPIO105_DFI_D6,
|
|
GPIO104_DFI_D7,
|
|
GPIO111_DFI_D8,
|
|
GPIO164_DFI_D9,
|
|
GPIO163_DFI_D10,
|
|
GPIO162_DFI_D11,
|
|
GPIO161_DFI_D12,
|
|
GPIO110_DFI_D13,
|
|
GPIO109_DFI_D14,
|
|
GPIO108_DFI_D15,
|
|
GPIO143_ND_nCS0,
|
|
GPIO144_ND_nCS1,
|
|
GPIO147_ND_nWE,
|
|
GPIO148_ND_nRE,
|
|
GPIO150_ND_ALE,
|
|
GPIO149_ND_CLE,
|
|
GPIO112_ND_RDY0,
|
|
GPIO160_ND_RDY1,
|
|
|
|
/* PMIC */
|
|
PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
|
|
|
|
/* MMC0 */
|
|
GPIO131_MMC1_DAT3 | MFP_PULL_HIGH,
|
|
GPIO132_MMC1_DAT2 | MFP_PULL_HIGH,
|
|
GPIO133_MMC1_DAT1 | MFP_PULL_HIGH,
|
|
GPIO134_MMC1_DAT0 | MFP_PULL_HIGH,
|
|
GPIO136_MMC1_CMD | MFP_PULL_HIGH,
|
|
GPIO139_MMC1_CLK,
|
|
GPIO140_MMC1_CD | MFP_PULL_LOW,
|
|
GPIO141_MMC1_WP | MFP_PULL_LOW,
|
|
|
|
/* MMC1 */
|
|
GPIO37_MMC2_DAT3 | MFP_PULL_HIGH,
|
|
GPIO38_MMC2_DAT2 | MFP_PULL_HIGH,
|
|
GPIO39_MMC2_DAT1 | MFP_PULL_HIGH,
|
|
GPIO40_MMC2_DAT0 | MFP_PULL_HIGH,
|
|
GPIO41_MMC2_CMD | MFP_PULL_HIGH,
|
|
GPIO42_MMC2_CLK,
|
|
|
|
/* MMC2 */
|
|
GPIO165_MMC3_DAT7 | MFP_PULL_HIGH,
|
|
GPIO162_MMC3_DAT6 | MFP_PULL_HIGH,
|
|
GPIO166_MMC3_DAT5 | MFP_PULL_HIGH,
|
|
GPIO163_MMC3_DAT4 | MFP_PULL_HIGH,
|
|
GPIO167_MMC3_DAT3 | MFP_PULL_HIGH,
|
|
GPIO164_MMC3_DAT2 | MFP_PULL_HIGH,
|
|
GPIO168_MMC3_DAT1 | MFP_PULL_HIGH,
|
|
GPIO111_MMC3_DAT0 | MFP_PULL_HIGH,
|
|
GPIO112_MMC3_CMD | MFP_PULL_HIGH,
|
|
GPIO151_MMC3_CLK,
|
|
|
|
/* 5V regulator */
|
|
GPIO89_GPIO,
|
|
};
|
|
|
|
static struct regulator_consumer_supply max8649_supply[] = {
|
|
REGULATOR_SUPPLY("vcc_core", NULL),
|
|
};
|
|
|
|
static struct regulator_init_data max8649_init_data = {
|
|
.constraints = {
|
|
.name = "vcc_core range",
|
|
.min_uV = 1150000,
|
|
.max_uV = 1280000,
|
|
.always_on = 1,
|
|
.boot_on = 1,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
|
|
},
|
|
.num_consumer_supplies = 1,
|
|
.consumer_supplies = &max8649_supply[0],
|
|
};
|
|
|
|
static struct max8649_platform_data brownstone_max8649_info = {
|
|
.mode = 2, /* VID1 = 1, VID0 = 0 */
|
|
.extclk = 0,
|
|
.ramp_timing = MAX8649_RAMP_32MV,
|
|
.regulator = &max8649_init_data,
|
|
};
|
|
|
|
static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = {
|
|
REGULATOR_SUPPLY("v_5vp", NULL),
|
|
};
|
|
|
|
static struct regulator_init_data brownstone_v_5vp_data = {
|
|
.constraints = {
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies),
|
|
.consumer_supplies = brownstone_v_5vp_supplies,
|
|
};
|
|
|
|
static struct fixed_voltage_config brownstone_v_5vp = {
|
|
.supply_name = "v_5vp",
|
|
.microvolts = 5000000,
|
|
.gpio = GPIO_5V_ENABLE,
|
|
.enable_high = 1,
|
|
.enabled_at_boot = 1,
|
|
.init_data = &brownstone_v_5vp_data,
|
|
};
|
|
|
|
static struct platform_device brownstone_v_5vp_device = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &brownstone_v_5vp,
|
|
},
|
|
};
|
|
|
|
static struct max8925_platform_data brownstone_max8925_info = {
|
|
.irq_base = IRQ_BOARD_START,
|
|
};
|
|
|
|
static struct i2c_board_info brownstone_twsi1_info[] = {
|
|
[0] = {
|
|
.type = "max8649",
|
|
.addr = 0x60,
|
|
.platform_data = &brownstone_max8649_info,
|
|
},
|
|
[1] = {
|
|
.type = "max8925",
|
|
.addr = 0x3c,
|
|
.irq = IRQ_MMP2_PMIC,
|
|
.platform_data = &brownstone_max8925_info,
|
|
},
|
|
};
|
|
|
|
static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
|
|
.clk_delay_cycles = 0x1f,
|
|
};
|
|
|
|
static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
|
|
.clk_delay_cycles = 0x1f,
|
|
.flags = PXA_FLAG_CARD_PERMANENT
|
|
| PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
|
|
};
|
|
|
|
static struct sram_platdata mmp2_asram_platdata = {
|
|
.pool_name = "asram",
|
|
.granularity = SRAM_GRANULARITY,
|
|
};
|
|
|
|
static struct sram_platdata mmp2_isram_platdata = {
|
|
.pool_name = "isram",
|
|
.granularity = SRAM_GRANULARITY,
|
|
};
|
|
|
|
static void __init brownstone_init(void)
|
|
{
|
|
mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
|
|
|
|
/* on-chip devices */
|
|
mmp2_add_uart(1);
|
|
mmp2_add_uart(3);
|
|
mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
|
|
mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
|
|
mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
|
|
mmp2_add_asram(&mmp2_asram_platdata);
|
|
mmp2_add_isram(&mmp2_isram_platdata);
|
|
|
|
/* enable 5v regulator */
|
|
platform_device_register(&brownstone_v_5vp_device);
|
|
}
|
|
|
|
MACHINE_START(BROWNSTONE, "Brownstone Development Platform")
|
|
/* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */
|
|
.map_io = mmp_map_io,
|
|
.nr_irqs = BROWNSTONE_NR_IRQS,
|
|
.init_irq = mmp2_init_irq,
|
|
.timer = &mmp2_timer,
|
|
.init_machine = brownstone_init,
|
|
MACHINE_END
|