279 lines
6.7 KiB
C
279 lines
6.7 KiB
C
/* linux/arch/arm/mach-s5p64x0/mach-smdk6440.c
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*
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* Copyright (c) 2009-2010 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/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/i2c.h>
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#include <linux/serial_core.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/module.h>
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#include <linux/clk.h>
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#include <linux/gpio.h>
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#include <linux/pwm_backlight.h>
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#include <linux/fb.h>
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#include <linux/mmc/host.h>
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#include <video/platform_lcd.h>
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#include <video/samsung_fimd.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/irq.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.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-gpio.h>
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#include <plat/regs-serial.h>
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#include <plat/gpio-cfg.h>
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#include <plat/clock.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <linux/platform_data/i2c-s3c2410.h>
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#include <plat/pll.h>
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#include <plat/adc.h>
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#include <linux/platform_data/touchscreen-s3c2410.h>
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#include <plat/samsung-time.h>
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#include <plat/backlight.h>
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#include <plat/fb.h>
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#include <plat/sdhci.h>
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#include "common.h"
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#include "i2c.h"
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#define SMDK6440_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 SMDK6440_ULCON_DEFAULT S3C2410_LCON_CS8
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#define SMDK6440_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
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S3C2440_UFCON_TXTRIG16 | \
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S3C2410_UFCON_RXTRIG8)
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static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = SMDK6440_UCON_DEFAULT,
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.ulcon = SMDK6440_ULCON_DEFAULT,
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.ufcon = SMDK6440_UFCON_DEFAULT,
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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 = SMDK6440_UCON_DEFAULT,
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.ulcon = SMDK6440_ULCON_DEFAULT,
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.ufcon = SMDK6440_UFCON_DEFAULT,
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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 = SMDK6440_UCON_DEFAULT,
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.ulcon = SMDK6440_ULCON_DEFAULT,
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.ufcon = SMDK6440_UFCON_DEFAULT,
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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 = SMDK6440_UCON_DEFAULT,
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.ulcon = SMDK6440_ULCON_DEFAULT,
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.ufcon = SMDK6440_UFCON_DEFAULT,
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},
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};
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/* Frame Buffer */
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static struct s3c_fb_pd_win smdk6440_fb_win0 = {
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.max_bpp = 32,
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.default_bpp = 24,
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.xres = 800,
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.yres = 480,
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};
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static struct fb_videomode smdk6440_lcd_timing = {
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.left_margin = 8,
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.right_margin = 13,
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.upper_margin = 7,
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.lower_margin = 5,
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.hsync_len = 3,
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.vsync_len = 1,
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.xres = 800,
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.yres = 480,
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};
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static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
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.win[0] = &smdk6440_fb_win0,
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.vtiming = &smdk6440_lcd_timing,
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.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
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.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
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.setup_gpio = s5p64x0_fb_gpio_setup_24bpp,
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};
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/* LCD power controller */
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static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
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unsigned int power)
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{
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int err;
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if (power) {
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err = gpio_request(S5P6440_GPN(5), "GPN");
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if (err) {
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printk(KERN_ERR "failed to request GPN for lcd reset\n");
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return;
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}
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gpio_direction_output(S5P6440_GPN(5), 1);
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gpio_set_value(S5P6440_GPN(5), 0);
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gpio_set_value(S5P6440_GPN(5), 1);
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gpio_free(S5P6440_GPN(5));
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}
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}
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static struct plat_lcd_data smdk6440_lcd_power_data = {
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.set_power = smdk6440_lte480_reset_power,
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};
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static struct platform_device smdk6440_lcd_lte480wv = {
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.name = "platform-lcd",
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.dev.parent = &s3c_device_fb.dev,
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.dev.platform_data = &smdk6440_lcd_power_data,
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};
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static struct platform_device *smdk6440_devices[] __initdata = {
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&s3c_device_adc,
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&s3c_device_rtc,
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&s3c_device_i2c0,
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&s3c_device_i2c1,
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&s3c_device_ts,
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&s3c_device_wdt,
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&s5p6440_device_iis,
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&s3c_device_fb,
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&smdk6440_lcd_lte480wv,
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&s3c_device_hsmmc0,
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&s3c_device_hsmmc1,
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&s3c_device_hsmmc2,
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};
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static struct s3c_sdhci_platdata smdk6440_hsmmc0_pdata __initdata = {
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.cd_type = S3C_SDHCI_CD_NONE,
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};
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static struct s3c_sdhci_platdata smdk6440_hsmmc1_pdata __initdata = {
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.cd_type = S3C_SDHCI_CD_INTERNAL,
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#if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
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.max_width = 8,
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.host_caps = MMC_CAP_8_BIT_DATA,
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#endif
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};
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static struct s3c_sdhci_platdata smdk6440_hsmmc2_pdata __initdata = {
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.cd_type = S3C_SDHCI_CD_NONE,
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};
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static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
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.flags = 0,
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.slave_addr = 0x10,
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.frequency = 100*1000,
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.sda_delay = 100,
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.cfg_gpio = s5p6440_i2c0_cfg_gpio,
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};
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static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
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.flags = 0,
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.bus_num = 1,
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.slave_addr = 0x10,
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.frequency = 100*1000,
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.sda_delay = 100,
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.cfg_gpio = s5p6440_i2c1_cfg_gpio,
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};
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static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
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{ I2C_BOARD_INFO("24c08", 0x50), },
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{ I2C_BOARD_INFO("wm8580", 0x1b), },
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};
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static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
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/* To be populated */
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};
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/* LCD Backlight data */
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static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
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.no = S5P6440_GPF(15),
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.func = S3C_GPIO_SFN(2),
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};
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static struct platform_pwm_backlight_data smdk6440_bl_data = {
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.pwm_id = 1,
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};
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static void __init smdk6440_map_io(void)
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{
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s5p64x0_init_io(NULL, 0);
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s3c24xx_init_clocks(12000000);
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s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
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samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
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}
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static void s5p6440_set_lcd_interface(void)
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{
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unsigned int cfg;
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/* select TFT LCD type (RGB I/F) */
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cfg = __raw_readl(S5P64X0_SPCON0);
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cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
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cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
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__raw_writel(cfg, S5P64X0_SPCON0);
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}
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static void __init smdk6440_machine_init(void)
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{
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s3c24xx_ts_set_platdata(NULL);
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s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
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s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
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i2c_register_board_info(0, smdk6440_i2c_devs0,
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ARRAY_SIZE(smdk6440_i2c_devs0));
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i2c_register_board_info(1, smdk6440_i2c_devs1,
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ARRAY_SIZE(smdk6440_i2c_devs1));
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samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
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s5p6440_set_lcd_interface();
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s3c_fb_set_platdata(&smdk6440_lcd_pdata);
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s3c_sdhci0_set_platdata(&smdk6440_hsmmc0_pdata);
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s3c_sdhci1_set_platdata(&smdk6440_hsmmc1_pdata);
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s3c_sdhci2_set_platdata(&smdk6440_hsmmc2_pdata);
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platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
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}
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MACHINE_START(SMDK6440, "SMDK6440")
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/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
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.atag_offset = 0x100,
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.init_irq = s5p6440_init_irq,
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.map_io = smdk6440_map_io,
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.init_machine = smdk6440_machine_init,
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.init_time = samsung_timer_init,
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.restart = s5p64x0_restart,
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MACHINE_END
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