4d838ec03b
This patch adds basic definitions for MAX8952 & LP3974 (MAX8998 compatible) PMICs for UniversalC210 board. Power consumers for the device drivers will be added later. These two PMICs occupy I2C5 bus. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
651 lines
15 KiB
C
651 lines
15 KiB
C
/* linux/arch/arm/mach-exynos4/mach-universal_c210.c
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*
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* Copyright (c) 2010 Samsung Electronics Co., 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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* published by the Free Software Foundation.
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*/
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#include <linux/platform_device.h>
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#include <linux/serial_core.h>
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#include <linux/input.h>
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#include <linux/i2c.h>
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#include <linux/gpio_keys.h>
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#include <linux/gpio.h>
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#include <linux/mfd/max8998.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/max8952.h>
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#include <linux/mmc/host.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <plat/regs-serial.h>
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#include <plat/exynos4.h>
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#include <plat/cpu.h>
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#include <plat/devs.h>
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#include <plat/iic.h>
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#include <plat/sdhci.h>
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#include <mach/map.h>
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/* Following are default values for UCON, ULCON and UFCON UART registers */
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#define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
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S3C2410_UCON_RXILEVEL | \
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S3C2410_UCON_TXIRQMODE | \
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S3C2410_UCON_RXIRQMODE | \
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S3C2410_UCON_RXFIFO_TOI | \
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S3C2443_UCON_RXERR_IRQEN)
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#define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8
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#define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
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S5PV210_UFCON_TXTRIG256 | \
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S5PV210_UFCON_RXTRIG256)
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static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[1] = {
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.hwport = 1,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[2] = {
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.hwport = 2,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[3] = {
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.hwport = 3,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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};
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static struct regulator_consumer_supply max8952_consumer =
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REGULATOR_SUPPLY("vddarm", NULL);
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static struct max8952_platform_data universal_max8952_pdata __initdata = {
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.gpio_vid0 = EXYNOS4_GPX0(3),
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.gpio_vid1 = EXYNOS4_GPX0(4),
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.gpio_en = -1, /* Not controllable, set "Always High" */
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.default_mode = 0, /* vid0 = 0, vid1 = 0 */
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.dvs_mode = { 48, 32, 28, 18 }, /* 1.25, 1.20, 1.05, 0.95V */
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.sync_freq = 0, /* default: fastest */
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.ramp_speed = 0, /* default: fastest */
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.reg_data = {
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.constraints = {
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.name = "VARM_1.2V",
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.min_uV = 770000,
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.max_uV = 1400000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
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.always_on = 1,
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.boot_on = 1,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &max8952_consumer,
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},
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};
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static struct regulator_consumer_supply lp3974_buck1_consumer =
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REGULATOR_SUPPLY("vddint", NULL);
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static struct regulator_consumer_supply lp3974_buck2_consumer =
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REGULATOR_SUPPLY("vddg3d", NULL);
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static struct regulator_init_data lp3974_buck1_data = {
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.constraints = {
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.name = "VINT_1.1V",
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.min_uV = 750000,
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.max_uV = 1500000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
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REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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.state_mem = {
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.disabled = 1,
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},
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &lp3974_buck1_consumer,
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};
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static struct regulator_init_data lp3974_buck2_data = {
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.constraints = {
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.name = "VG3D_1.1V",
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.min_uV = 750000,
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.max_uV = 1500000,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
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REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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.state_mem = {
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.disabled = 1,
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},
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &lp3974_buck2_consumer,
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};
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static struct regulator_init_data lp3974_buck3_data = {
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.constraints = {
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.name = "VCC_1.8V",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = 1,
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.always_on = 1,
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.state_mem = {
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.enabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_buck4_data = {
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.constraints = {
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.name = "VMEM_1.2V",
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.min_uV = 1200000,
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.max_uV = 1200000,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.apply_uV = 1,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo2_data = {
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.constraints = {
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.name = "VALIVE_1.2V",
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.min_uV = 1200000,
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.max_uV = 1200000,
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.apply_uV = 1,
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.always_on = 1,
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.state_mem = {
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.enabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo3_data = {
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.constraints = {
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.name = "VUSB+MIPI_1.1V",
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.min_uV = 1100000,
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.max_uV = 1100000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo4_data = {
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.constraints = {
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.name = "VADC_3.3V",
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.min_uV = 3300000,
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.max_uV = 3300000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo5_data = {
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.constraints = {
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.name = "VTF_2.8V",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo6_data = {
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.constraints = {
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.name = "LDO6",
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.min_uV = 2000000,
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.max_uV = 2000000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo7_data = {
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.constraints = {
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.name = "VLCD+VMIPI_1.8V",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo8_data = {
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.constraints = {
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.name = "VUSB+VDAC_3.3V",
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.min_uV = 3300000,
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.max_uV = 3300000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo9_data = {
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.constraints = {
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.name = "VCC_2.8V",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = 1,
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.always_on = 1,
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.state_mem = {
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.enabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo10_data = {
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.constraints = {
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.name = "VPLL_1.1V",
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.min_uV = 1100000,
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.max_uV = 1100000,
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.boot_on = 1,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo11_data = {
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.constraints = {
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.name = "CAM_AF_3.3V",
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.min_uV = 3300000,
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.max_uV = 3300000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo12_data = {
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.constraints = {
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.name = "PS_2.8V",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo13_data = {
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.constraints = {
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.name = "VHIC_1.2V",
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.min_uV = 1200000,
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.max_uV = 1200000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo14_data = {
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.constraints = {
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.name = "CAM_I_HOST_1.8V",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo15_data = {
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.constraints = {
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.name = "CAM_S_DIG+FM33_CORE_1.2V",
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.min_uV = 1200000,
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.max_uV = 1200000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo16_data = {
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.constraints = {
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.name = "CAM_S_ANA_2.8V",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_ldo17_data = {
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.constraints = {
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.name = "VCC_3.0V_LCD",
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.min_uV = 3000000,
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.max_uV = 3000000,
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.apply_uV = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.boot_on = 1,
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_32khz_ap_data = {
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.constraints = {
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.name = "32KHz AP",
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.always_on = 1,
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.state_mem = {
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.enabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_32khz_cp_data = {
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.constraints = {
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.name = "32KHz CP",
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_vichg_data = {
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.constraints = {
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.name = "VICHG",
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.state_mem = {
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.disabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_esafeout1_data = {
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.constraints = {
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.name = "SAFEOUT1",
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.enabled = 1,
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},
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},
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};
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static struct regulator_init_data lp3974_esafeout2_data = {
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.constraints = {
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.name = "SAFEOUT2",
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.boot_on = 1,
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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.state_mem = {
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.enabled = 1,
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},
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},
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};
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static struct max8998_regulator_data lp3974_regulators[] = {
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{ MAX8998_LDO2, &lp3974_ldo2_data },
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{ MAX8998_LDO3, &lp3974_ldo3_data },
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{ MAX8998_LDO4, &lp3974_ldo4_data },
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{ MAX8998_LDO5, &lp3974_ldo5_data },
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{ MAX8998_LDO6, &lp3974_ldo6_data },
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{ MAX8998_LDO7, &lp3974_ldo7_data },
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{ MAX8998_LDO8, &lp3974_ldo8_data },
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{ MAX8998_LDO9, &lp3974_ldo9_data },
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{ MAX8998_LDO10, &lp3974_ldo10_data },
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{ MAX8998_LDO11, &lp3974_ldo11_data },
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{ MAX8998_LDO12, &lp3974_ldo12_data },
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{ MAX8998_LDO13, &lp3974_ldo13_data },
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{ MAX8998_LDO14, &lp3974_ldo14_data },
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{ MAX8998_LDO15, &lp3974_ldo15_data },
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{ MAX8998_LDO16, &lp3974_ldo16_data },
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{ MAX8998_LDO17, &lp3974_ldo17_data },
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{ MAX8998_BUCK1, &lp3974_buck1_data },
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{ MAX8998_BUCK2, &lp3974_buck2_data },
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{ MAX8998_BUCK3, &lp3974_buck3_data },
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{ MAX8998_BUCK4, &lp3974_buck4_data },
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{ MAX8998_EN32KHZ_AP, &lp3974_32khz_ap_data },
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{ MAX8998_EN32KHZ_CP, &lp3974_32khz_cp_data },
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{ MAX8998_ENVICHG, &lp3974_vichg_data },
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{ MAX8998_ESAFEOUT1, &lp3974_esafeout1_data },
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{ MAX8998_ESAFEOUT2, &lp3974_esafeout2_data },
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};
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static struct max8998_platform_data universal_lp3974_pdata = {
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.num_regulators = ARRAY_SIZE(lp3974_regulators),
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.regulators = lp3974_regulators,
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.buck1_voltage1 = 1100000, /* INT */
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.buck1_voltage2 = 1000000,
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.buck1_voltage3 = 1100000,
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.buck1_voltage4 = 1000000,
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.buck1_set1 = EXYNOS4_GPX0(5),
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.buck1_set2 = EXYNOS4_GPX0(6),
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.buck2_voltage1 = 1200000, /* G3D */
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.buck2_voltage2 = 1100000,
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.buck1_default_idx = 0,
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.buck2_set3 = EXYNOS4_GPE2(0),
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.buck2_default_idx = 0,
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.wakeup = true,
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};
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/* GPIO I2C 5 (PMIC) */
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static struct i2c_board_info i2c5_devs[] __initdata = {
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{
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I2C_BOARD_INFO("max8952", 0xC0 >> 1),
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.platform_data = &universal_max8952_pdata,
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}, {
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I2C_BOARD_INFO("lp3974", 0xCC >> 1),
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.platform_data = &universal_lp3974_pdata,
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},
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};
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/* GPIO KEYS */
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static struct gpio_keys_button universal_gpio_keys_tables[] = {
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{
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.code = KEY_VOLUMEUP,
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.gpio = EXYNOS4_GPX2(0), /* XEINT16 */
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.desc = "gpio-keys: KEY_VOLUMEUP",
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.type = EV_KEY,
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.active_low = 1,
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.debounce_interval = 1,
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}, {
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.code = KEY_VOLUMEDOWN,
|
|
.gpio = EXYNOS4_GPX2(1), /* XEINT17 */
|
|
.desc = "gpio-keys: KEY_VOLUMEDOWN",
|
|
.type = EV_KEY,
|
|
.active_low = 1,
|
|
.debounce_interval = 1,
|
|
}, {
|
|
.code = KEY_CONFIG,
|
|
.gpio = EXYNOS4_GPX2(2), /* XEINT18 */
|
|
.desc = "gpio-keys: KEY_CONFIG",
|
|
.type = EV_KEY,
|
|
.active_low = 1,
|
|
.debounce_interval = 1,
|
|
}, {
|
|
.code = KEY_CAMERA,
|
|
.gpio = EXYNOS4_GPX2(3), /* XEINT19 */
|
|
.desc = "gpio-keys: KEY_CAMERA",
|
|
.type = EV_KEY,
|
|
.active_low = 1,
|
|
.debounce_interval = 1,
|
|
}, {
|
|
.code = KEY_OK,
|
|
.gpio = EXYNOS4_GPX3(5), /* XEINT29 */
|
|
.desc = "gpio-keys: KEY_OK",
|
|
.type = EV_KEY,
|
|
.active_low = 1,
|
|
.debounce_interval = 1,
|
|
},
|
|
};
|
|
|
|
static struct gpio_keys_platform_data universal_gpio_keys_data = {
|
|
.buttons = universal_gpio_keys_tables,
|
|
.nbuttons = ARRAY_SIZE(universal_gpio_keys_tables),
|
|
};
|
|
|
|
static struct platform_device universal_gpio_keys = {
|
|
.name = "gpio-keys",
|
|
.dev = {
|
|
.platform_data = &universal_gpio_keys_data,
|
|
},
|
|
};
|
|
|
|
/* eMMC */
|
|
static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
|
|
.max_width = 8,
|
|
.host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
|
|
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
|
|
MMC_CAP_DISABLE),
|
|
.cd_type = S3C_SDHCI_CD_PERMANENT,
|
|
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
|
|
};
|
|
|
|
static struct regulator_consumer_supply mmc0_supplies[] = {
|
|
REGULATOR_SUPPLY("vmmc", "s3c-sdhci.0"),
|
|
};
|
|
|
|
static struct regulator_init_data mmc0_fixed_voltage_init_data = {
|
|
.constraints = {
|
|
.name = "VMEM_VDD_2.8V",
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(mmc0_supplies),
|
|
.consumer_supplies = mmc0_supplies,
|
|
};
|
|
|
|
static struct fixed_voltage_config mmc0_fixed_voltage_config = {
|
|
.supply_name = "MASSMEMORY_EN",
|
|
.microvolts = 2800000,
|
|
.gpio = EXYNOS4_GPE1(3),
|
|
.enable_high = true,
|
|
.init_data = &mmc0_fixed_voltage_init_data,
|
|
};
|
|
|
|
static struct platform_device mmc0_fixed_voltage = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &mmc0_fixed_voltage_config,
|
|
},
|
|
};
|
|
|
|
/* SD */
|
|
static struct s3c_sdhci_platdata universal_hsmmc2_data __initdata = {
|
|
.max_width = 4,
|
|
.host_caps = MMC_CAP_4_BIT_DATA |
|
|
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
|
|
MMC_CAP_DISABLE,
|
|
.ext_cd_gpio = EXYNOS4_GPX3(4), /* XEINT_28 */
|
|
.ext_cd_gpio_invert = 1,
|
|
.cd_type = S3C_SDHCI_CD_GPIO,
|
|
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
|
|
};
|
|
|
|
/* WiFi */
|
|
static struct s3c_sdhci_platdata universal_hsmmc3_data __initdata = {
|
|
.max_width = 4,
|
|
.host_caps = MMC_CAP_4_BIT_DATA |
|
|
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
|
|
MMC_CAP_DISABLE,
|
|
.cd_type = S3C_SDHCI_CD_EXTERNAL,
|
|
};
|
|
|
|
static void __init universal_sdhci_init(void)
|
|
{
|
|
s3c_sdhci0_set_platdata(&universal_hsmmc0_data);
|
|
s3c_sdhci2_set_platdata(&universal_hsmmc2_data);
|
|
s3c_sdhci3_set_platdata(&universal_hsmmc3_data);
|
|
}
|
|
|
|
/* I2C0 */
|
|
static struct i2c_board_info i2c0_devs[] __initdata = {
|
|
/* Camera, To be updated */
|
|
};
|
|
|
|
/* I2C1 */
|
|
static struct i2c_board_info i2c1_devs[] __initdata = {
|
|
/* Gyro, To be updated */
|
|
};
|
|
|
|
static struct platform_device *universal_devices[] __initdata = {
|
|
/* Samsung Platform Devices */
|
|
&mmc0_fixed_voltage,
|
|
&s3c_device_hsmmc0,
|
|
&s3c_device_hsmmc2,
|
|
&s3c_device_hsmmc3,
|
|
&s3c_device_i2c5,
|
|
|
|
/* Universal Devices */
|
|
&universal_gpio_keys,
|
|
&s5p_device_onenand,
|
|
};
|
|
|
|
static void __init universal_map_io(void)
|
|
{
|
|
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
|
|
s3c24xx_init_clocks(24000000);
|
|
s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
|
|
}
|
|
|
|
static void __init universal_machine_init(void)
|
|
{
|
|
universal_sdhci_init();
|
|
|
|
i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
|
|
i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
|
|
|
|
s3c_i2c5_set_platdata(NULL);
|
|
i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs));
|
|
|
|
/* Last */
|
|
platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
|
|
}
|
|
|
|
MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
|
|
/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
|
|
.boot_params = S5P_PA_SDRAM + 0x100,
|
|
.init_irq = exynos4_init_irq,
|
|
.map_io = universal_map_io,
|
|
.init_machine = universal_machine_init,
|
|
.timer = &exynos4_timer,
|
|
MACHINE_END
|