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237 lines
5.6 KiB
237 lines
5.6 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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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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#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/gpio/machine.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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.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 gpiod_lookup_table brownstone_v_5vp_gpiod_table = { |
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.dev_id = "reg-fixed-voltage.1", /* .id set to 1 above */ |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", GPIO_5V_ENABLE, |
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NULL, GPIO_ACTIVE_HIGH), |
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{ }, |
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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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gpiod_add_lookup_table(&brownstone_v_5vp_gpiod_table); |
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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 <[email protected]> */ |
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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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