232 lines
5.5 KiB
C
232 lines
5.5 KiB
C
/*
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* linux/arch/arm/mach-mmp/brownstone.c
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*
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* Support for the Marvell Brownstone Development Platform.
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*
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* Copyright (C) 2009-2010 Marvell International Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* publishhed by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/gpio-pxa.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/max8649.h>
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#include <linux/regulator/fixed.h>
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#include <linux/mfd/max8925.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include "addr-map.h"
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#include "mfp-mmp2.h"
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#include "mmp2.h"
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#include "irqs.h"
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#include "common.h"
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#define BROWNSTONE_NR_IRQS (MMP_NR_IRQS + 40)
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#define GPIO_5V_ENABLE (89)
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static unsigned long brownstone_pin_config[] __initdata = {
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/* UART1 */
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GPIO29_UART1_RXD,
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GPIO30_UART1_TXD,
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/* UART3 */
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GPIO51_UART3_RXD,
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GPIO52_UART3_TXD,
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/* DFI */
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GPIO168_DFI_D0,
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GPIO167_DFI_D1,
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GPIO166_DFI_D2,
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GPIO165_DFI_D3,
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GPIO107_DFI_D4,
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GPIO106_DFI_D5,
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GPIO105_DFI_D6,
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GPIO104_DFI_D7,
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GPIO111_DFI_D8,
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GPIO164_DFI_D9,
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GPIO163_DFI_D10,
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GPIO162_DFI_D11,
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GPIO161_DFI_D12,
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GPIO110_DFI_D13,
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GPIO109_DFI_D14,
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GPIO108_DFI_D15,
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GPIO143_ND_nCS0,
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GPIO144_ND_nCS1,
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GPIO147_ND_nWE,
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GPIO148_ND_nRE,
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GPIO150_ND_ALE,
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GPIO149_ND_CLE,
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GPIO112_ND_RDY0,
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GPIO160_ND_RDY1,
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/* PMIC */
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PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
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/* MMC0 */
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GPIO131_MMC1_DAT3 | MFP_PULL_HIGH,
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GPIO132_MMC1_DAT2 | MFP_PULL_HIGH,
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GPIO133_MMC1_DAT1 | MFP_PULL_HIGH,
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GPIO134_MMC1_DAT0 | MFP_PULL_HIGH,
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GPIO136_MMC1_CMD | MFP_PULL_HIGH,
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GPIO139_MMC1_CLK,
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GPIO140_MMC1_CD | MFP_PULL_LOW,
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GPIO141_MMC1_WP | MFP_PULL_LOW,
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/* MMC1 */
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GPIO37_MMC2_DAT3 | MFP_PULL_HIGH,
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GPIO38_MMC2_DAT2 | MFP_PULL_HIGH,
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GPIO39_MMC2_DAT1 | MFP_PULL_HIGH,
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GPIO40_MMC2_DAT0 | MFP_PULL_HIGH,
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GPIO41_MMC2_CMD | MFP_PULL_HIGH,
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GPIO42_MMC2_CLK,
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/* MMC2 */
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GPIO165_MMC3_DAT7 | MFP_PULL_HIGH,
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GPIO162_MMC3_DAT6 | MFP_PULL_HIGH,
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GPIO166_MMC3_DAT5 | MFP_PULL_HIGH,
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GPIO163_MMC3_DAT4 | MFP_PULL_HIGH,
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GPIO167_MMC3_DAT3 | MFP_PULL_HIGH,
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GPIO164_MMC3_DAT2 | MFP_PULL_HIGH,
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GPIO168_MMC3_DAT1 | MFP_PULL_HIGH,
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GPIO111_MMC3_DAT0 | MFP_PULL_HIGH,
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GPIO112_MMC3_CMD | MFP_PULL_HIGH,
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GPIO151_MMC3_CLK,
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/* 5V regulator */
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GPIO89_GPIO,
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};
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static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
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.irq_base = MMP_GPIO_TO_IRQ(0),
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};
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static struct regulator_consumer_supply max8649_supply[] = {
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REGULATOR_SUPPLY("vcc_core", NULL),
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};
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static struct regulator_init_data max8649_init_data = {
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.constraints = {
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.name = "vcc_core range",
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.min_uV = 1150000,
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.max_uV = 1280000,
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.always_on = 1,
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.boot_on = 1,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &max8649_supply[0],
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};
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static struct max8649_platform_data brownstone_max8649_info = {
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.mode = 2, /* VID1 = 1, VID0 = 0 */
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.extclk = 0,
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.ramp_timing = MAX8649_RAMP_32MV,
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.regulator = &max8649_init_data,
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};
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static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = {
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REGULATOR_SUPPLY("v_5vp", NULL),
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};
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static struct regulator_init_data brownstone_v_5vp_data = {
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.constraints = {
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies),
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.consumer_supplies = brownstone_v_5vp_supplies,
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};
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static struct fixed_voltage_config brownstone_v_5vp = {
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.supply_name = "v_5vp",
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.microvolts = 5000000,
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.gpio = GPIO_5V_ENABLE,
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.enable_high = 1,
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.enabled_at_boot = 1,
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.init_data = &brownstone_v_5vp_data,
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};
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static struct platform_device brownstone_v_5vp_device = {
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.name = "reg-fixed-voltage",
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.id = 1,
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.dev = {
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.platform_data = &brownstone_v_5vp,
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},
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};
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static struct max8925_platform_data brownstone_max8925_info = {
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.irq_base = MMP_NR_IRQS,
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};
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static struct i2c_board_info brownstone_twsi1_info[] = {
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[0] = {
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.type = "max8649",
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.addr = 0x60,
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.platform_data = &brownstone_max8649_info,
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},
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[1] = {
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.type = "max8925",
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.addr = 0x3c,
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.irq = IRQ_MMP2_PMIC,
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.platform_data = &brownstone_max8925_info,
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},
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};
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static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
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.clk_delay_cycles = 0x1f,
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};
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static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
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.clk_delay_cycles = 0x1f,
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.flags = PXA_FLAG_CARD_PERMANENT
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| PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
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};
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static struct sram_platdata mmp2_asram_platdata = {
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.pool_name = "asram",
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.granularity = SRAM_GRANULARITY,
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};
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static struct sram_platdata mmp2_isram_platdata = {
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.pool_name = "isram",
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.granularity = SRAM_GRANULARITY,
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};
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static void __init brownstone_init(void)
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{
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mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
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/* on-chip devices */
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mmp2_add_uart(1);
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mmp2_add_uart(3);
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platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
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sizeof(struct pxa_gpio_platform_data));
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platform_device_register(&mmp2_device_gpio);
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mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
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mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
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mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
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mmp2_add_asram(&mmp2_asram_platdata);
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mmp2_add_isram(&mmp2_isram_platdata);
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/* enable 5v regulator */
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platform_device_register(&brownstone_v_5vp_device);
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}
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MACHINE_START(BROWNSTONE, "Brownstone Development Platform")
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/* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */
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.map_io = mmp_map_io,
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.nr_irqs = BROWNSTONE_NR_IRQS,
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.init_irq = mmp2_init_irq,
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.init_time = mmp2_timer_init,
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.init_machine = brownstone_init,
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.restart = mmp_restart,
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MACHINE_END
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