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ba149f3acd
This patch adds required platform definitions for MAX8998 PMIC driver. Power regulators for LDO and BUCK outputs has been defined as well as a simple gpio-keys button for power key (to enable wakeup functionality with external interrupt). Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> [broonie@opensource.wolfsonmicro.com: For the regulator API usage] Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> [kgene.kim@samsung.com: minor title fix] Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
460 lines
10 KiB
C
460 lines
10 KiB
C
/* linux/arch/arm/mach-s5pv210/mach-goni.c
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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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/kernel.h>
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/serial_core.h>
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#include <linux/fb.h>
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#include <linux/i2c.h>
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#include <linux/i2c-gpio.h>
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#include <linux/mfd/max8998.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/gpio.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <mach/map.h>
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#include <mach/regs-clock.h>
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#include <mach/regs-fb.h>
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#include <plat/gpio-cfg.h>
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#include <plat/regs-serial.h>
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#include <plat/s5pv210.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <plat/fb.h>
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/* Following are default values for UCON, ULCON and UFCON UART registers */
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#define S5PV210_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 S5PV210_ULCON_DEFAULT S3C2410_LCON_CS8
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#define S5PV210_UFCON_DEFAULT S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg goni_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = S5PV210_UCON_DEFAULT,
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.ulcon = S5PV210_ULCON_DEFAULT,
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.ufcon = S5PV210_UFCON_DEFAULT |
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S5PV210_UFCON_TXTRIG256 | S5PV210_UFCON_RXTRIG256,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = S5PV210_UCON_DEFAULT,
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.ulcon = S5PV210_ULCON_DEFAULT,
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.ufcon = S5PV210_UFCON_DEFAULT |
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S5PV210_UFCON_TXTRIG64 | S5PV210_UFCON_RXTRIG64,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = S5PV210_UCON_DEFAULT,
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.ulcon = S5PV210_ULCON_DEFAULT,
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.ufcon = S5PV210_UFCON_DEFAULT |
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S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
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},
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[3] = {
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.hwport = 3,
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.flags = 0,
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.ucon = S5PV210_UCON_DEFAULT,
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.ulcon = S5PV210_ULCON_DEFAULT,
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.ufcon = S5PV210_UFCON_DEFAULT |
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S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
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},
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};
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/* Frame Buffer */
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static struct s3c_fb_pd_win goni_fb_win0 = {
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.win_mode = {
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.pixclock = 1000000000000ULL / ((16+16+2+480)*(28+3+2+800)*55),
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.left_margin = 16,
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.right_margin = 16,
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.upper_margin = 3,
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.lower_margin = 28,
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.hsync_len = 2,
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.vsync_len = 2,
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.xres = 480,
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.yres = 800,
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.refresh = 55,
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},
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.max_bpp = 32,
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.default_bpp = 16,
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};
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static struct s3c_fb_platdata goni_lcd_pdata __initdata = {
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.win[0] = &goni_fb_win0,
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.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB |
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VIDCON0_CLKSEL_LCD,
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.vidcon1 = VIDCON1_INV_VCLK | VIDCON1_INV_VDEN
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| VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
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.setup_gpio = s5pv210_fb_gpio_setup_24bpp,
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};
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/* MAX8998 regulators */
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#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)
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static struct regulator_init_data goni_ldo2_data = {
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.constraints = {
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.name = "VALIVE_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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.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 goni_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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.always_on = 1,
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},
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};
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static struct regulator_init_data goni_ldo4_data = {
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.constraints = {
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.name = "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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},
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};
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static struct regulator_init_data goni_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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},
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};
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static struct regulator_init_data goni_ldo6_data = {
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.constraints = {
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.name = "VCC_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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},
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};
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static struct regulator_init_data goni_ldo7_data = {
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.constraints = {
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.name = "VLCD_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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},
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};
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static struct regulator_init_data goni_ldo8_data = {
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.constraints = {
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.name = "VUSB/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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.always_on = 1,
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},
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};
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static struct regulator_init_data goni_ldo9_data = {
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.constraints = {
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.name = "VCC/VCAM_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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},
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};
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static struct regulator_init_data goni_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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.apply_uV = 1,
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.boot_on = 1,
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},
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};
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static struct regulator_init_data goni_ldo11_data = {
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.constraints = {
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.name = "CAM_IO_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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},
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};
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static struct regulator_init_data goni_ldo12_data = {
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.constraints = {
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.name = "CAM_ISP_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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},
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};
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static struct regulator_init_data goni_ldo13_data = {
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.constraints = {
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.name = "CAM_A_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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},
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};
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static struct regulator_init_data goni_ldo14_data = {
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.constraints = {
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.name = "CAM_CIF_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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},
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};
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static struct regulator_init_data goni_ldo15_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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.always_on = 1,
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},
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};
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static struct regulator_init_data goni_ldo16_data = {
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.constraints = {
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.name = "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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.always_on = 1,
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},
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};
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static struct regulator_init_data goni_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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.always_on = 1,
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},
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};
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/* BUCK */
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static struct regulator_consumer_supply buck1_consumer[] = {
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{ .supply = "vddarm", },
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};
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static struct regulator_consumer_supply buck2_consumer[] = {
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{ .supply = "vddint", },
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};
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static struct regulator_init_data goni_buck1_data = {
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.constraints = {
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.name = "VARM_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_VOLTAGE |
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REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(buck1_consumer),
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.consumer_supplies = buck1_consumer,
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};
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static struct regulator_init_data goni_buck2_data = {
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.constraints = {
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.name = "VINT_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_VOLTAGE |
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REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(buck2_consumer),
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.consumer_supplies = buck2_consumer,
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};
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static struct regulator_init_data goni_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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.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 goni_buck4_data = {
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.constraints = {
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.name = "CAM_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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.always_on = 1,
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},
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};
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static struct max8998_regulator_data goni_regulators[] = {
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{ MAX8998_LDO2, &goni_ldo2_data },
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{ MAX8998_LDO3, &goni_ldo3_data },
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{ MAX8998_LDO4, &goni_ldo4_data },
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{ MAX8998_LDO5, &goni_ldo5_data },
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{ MAX8998_LDO6, &goni_ldo6_data },
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{ MAX8998_LDO7, &goni_ldo7_data },
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{ MAX8998_LDO8, &goni_ldo8_data },
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{ MAX8998_LDO9, &goni_ldo9_data },
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{ MAX8998_LDO10, &goni_ldo10_data },
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{ MAX8998_LDO11, &goni_ldo11_data },
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{ MAX8998_LDO12, &goni_ldo12_data },
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{ MAX8998_LDO13, &goni_ldo13_data },
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{ MAX8998_LDO14, &goni_ldo14_data },
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{ MAX8998_LDO15, &goni_ldo15_data },
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{ MAX8998_LDO16, &goni_ldo16_data },
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{ MAX8998_LDO17, &goni_ldo17_data },
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{ MAX8998_BUCK1, &goni_buck1_data },
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{ MAX8998_BUCK2, &goni_buck2_data },
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{ MAX8998_BUCK3, &goni_buck3_data },
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{ MAX8998_BUCK4, &goni_buck4_data },
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};
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static struct max8998_platform_data goni_max8998_pdata = {
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.num_regulators = ARRAY_SIZE(goni_regulators),
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.regulators = goni_regulators,
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};
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#endif
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/* GPIO I2C PMIC */
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#define AP_I2C_GPIO_PMIC_BUS_4 4
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static struct i2c_gpio_platform_data goni_i2c_gpio_pmic_data = {
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.sda_pin = S5PV210_GPJ4(0), /* XMSMCSN */
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.scl_pin = S5PV210_GPJ4(3), /* XMSMIRQN */
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};
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static struct platform_device goni_i2c_gpio_pmic = {
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.name = "i2c-gpio",
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.id = AP_I2C_GPIO_PMIC_BUS_4,
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.dev = {
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.platform_data = &goni_i2c_gpio_pmic_data,
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},
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};
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static struct i2c_board_info i2c_gpio_pmic_devs[] __initdata = {
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#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)
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{
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/* 0xCC when SRAD = 0 */
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I2C_BOARD_INFO("max8998", 0xCC >> 1),
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.platform_data = &goni_max8998_pdata,
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},
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#endif
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};
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/* PMIC Power button */
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static struct gpio_keys_button goni_gpio_keys_table[] = {
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{
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.code = KEY_POWER,
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.gpio = S5PV210_GPH2(6),
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.desc = "gpio-keys: KEY_POWER",
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.type = EV_KEY,
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.active_low = 1,
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.wakeup = 1,
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.debounce_interval = 1,
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},
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};
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static struct gpio_keys_platform_data goni_gpio_keys_data = {
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.buttons = goni_gpio_keys_table,
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.nbuttons = ARRAY_SIZE(goni_gpio_keys_table),
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};
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static struct platform_device goni_device_gpiokeys = {
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.name = "gpio-keys",
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.dev = {
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.platform_data = &goni_gpio_keys_data,
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},
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};
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static void __init goni_pmic_init(void)
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{
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/* AP_PMIC_IRQ: EINT7 */
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s3c_gpio_cfgpin(S5PV210_GPH0(7), S3C_GPIO_SFN(0xf));
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s3c_gpio_setpull(S5PV210_GPH0(7), S3C_GPIO_PULL_UP);
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/* nPower: EINT22 */
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s3c_gpio_cfgpin(S5PV210_GPH2(6), S3C_GPIO_SFN(0xf));
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s3c_gpio_setpull(S5PV210_GPH2(6), S3C_GPIO_PULL_UP);
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}
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static struct platform_device *goni_devices[] __initdata = {
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&s3c_device_fb,
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&s5pc110_device_onenand,
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&goni_i2c_gpio_pmic,
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&goni_device_gpiokeys,
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};
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static void __init goni_map_io(void)
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{
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s5p_init_io(NULL, 0, S5P_VA_CHIPID);
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s3c24xx_init_clocks(24000000);
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s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
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}
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static void __init goni_machine_init(void)
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{
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/* PMIC */
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goni_pmic_init();
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i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs,
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ARRAY_SIZE(i2c_gpio_pmic_devs));
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/* FB */
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s3c_fb_set_platdata(&goni_lcd_pdata);
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platform_add_devices(goni_devices, ARRAY_SIZE(goni_devices));
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}
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MACHINE_START(GONI, "GONI")
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/* Maintainers: Kyungmin Park <kyungmin.park@samsung.com> */
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.phys_io = S3C_PA_UART & 0xfff00000,
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.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
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.boot_params = S5P_PA_SDRAM + 0x100,
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.init_irq = s5pv210_init_irq,
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.map_io = goni_map_io,
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.init_machine = goni_machine_init,
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.timer = &s3c24xx_timer,
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MACHINE_END
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