| /* |
| * 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/gpio.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 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); |
| |
| /* 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 |