mirror of https://gitee.com/openkylin/linux.git
752 lines
19 KiB
C
752 lines
19 KiB
C
/*
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* Copyright (c) 2003-2005 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* http://www.handhelds.org/projects/h1940.html
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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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*/
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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/memblock.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.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.h>
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#include <linux/input.h>
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#include <linux/gpio_keys.h>
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#include <linux/pwm_backlight.h>
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#include <linux/i2c.h>
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#include <linux/leds.h>
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#include <linux/pda_power.h>
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#include <linux/s3c_adc_battery.h>
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#include <linux/delay.h>
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#include <video/platform_lcd.h>
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#include <linux/mmc/host.h>
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#include <linux/export.h>
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#include <asm/irq.h>
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#include <asm/mach-types.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/mach/irq.h>
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#include <linux/platform_data/i2c-s3c2410.h>
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#include <linux/platform_data/mmc-s3cmci.h>
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#include <linux/platform_data/touchscreen-s3c2410.h>
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#include <linux/platform_data/usb-s3c2410_udc.h>
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#include <sound/uda1380.h>
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#include <mach/fb.h>
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#include <mach/hardware.h>
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#include <mach/regs-clock.h>
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#include <mach/regs-gpio.h>
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#include <mach/regs-lcd.h>
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#include <mach/gpio-samsung.h>
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#include <plat/cpu.h>
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#include <plat/devs.h>
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#include <plat/gpio-cfg.h>
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#include <plat/pm.h>
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#include <plat/samsung-time.h>
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#include "common.h"
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#include "h1940.h"
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#define H1940_LATCH ((void __force __iomem *)0xF8000000)
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#define H1940_PA_LATCH S3C2410_CS2
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#define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END))
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#define S3C24XX_PLL_MDIV_SHIFT (12)
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#define S3C24XX_PLL_PDIV_SHIFT (4)
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#define S3C24XX_PLL_SDIV_SHIFT (0)
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static struct map_desc h1940_iodesc[] __initdata = {
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[0] = {
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.virtual = (unsigned long)H1940_LATCH,
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.pfn = __phys_to_pfn(H1940_PA_LATCH),
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.length = SZ_16K,
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.type = MT_DEVICE
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},
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};
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#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = 0x3c5,
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.ulcon = 0x03,
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.ufcon = 0x51,
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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 = 0x245,
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.ulcon = 0x03,
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.ufcon = 0x00,
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},
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/* IR port */
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[2] = {
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.hwport = 2,
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.flags = 0,
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.uart_flags = UPF_CONS_FLOW,
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.ucon = 0x3c5,
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.ulcon = 0x43,
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.ufcon = 0x51,
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}
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};
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/* Board control latch control */
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static unsigned int latch_state;
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static void h1940_latch_control(unsigned int clear, unsigned int set)
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{
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unsigned long flags;
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local_irq_save(flags);
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latch_state &= ~clear;
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latch_state |= set;
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__raw_writel(latch_state, H1940_LATCH);
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local_irq_restore(flags);
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}
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static inline int h1940_gpiolib_to_latch(int offset)
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{
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return 1 << (offset + 16);
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}
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static void h1940_gpiolib_latch_set(struct gpio_chip *chip,
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unsigned offset, int value)
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{
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int latch_bit = h1940_gpiolib_to_latch(offset);
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h1940_latch_control(value ? 0 : latch_bit,
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value ? latch_bit : 0);
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}
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static int h1940_gpiolib_latch_output(struct gpio_chip *chip,
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unsigned offset, int value)
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{
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h1940_gpiolib_latch_set(chip, offset, value);
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return 0;
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}
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static int h1940_gpiolib_latch_get(struct gpio_chip *chip,
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unsigned offset)
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{
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return (latch_state >> (offset + 16)) & 1;
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}
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static struct gpio_chip h1940_latch_gpiochip = {
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.base = H1940_LATCH_GPIO(0),
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.owner = THIS_MODULE,
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.label = "H1940_LATCH",
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.ngpio = 16,
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.direction_output = h1940_gpiolib_latch_output,
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.set = h1940_gpiolib_latch_set,
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.get = h1940_gpiolib_latch_get,
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};
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static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = {
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.vbus_pin = S3C2410_GPG(5),
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.vbus_pin_inverted = 1,
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.pullup_pin = H1940_LATCH_USB_DP,
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};
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static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
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.delay = 10000,
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.presc = 49,
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.oversampling_shift = 2,
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.cfg_gpio = s3c24xx_ts_cfg_gpio,
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};
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/**
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* Set lcd on or off
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**/
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static struct s3c2410fb_display h1940_lcd __initdata = {
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.lcdcon5= S3C2410_LCDCON5_FRM565 | \
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S3C2410_LCDCON5_INVVLINE | \
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S3C2410_LCDCON5_HWSWP,
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.type = S3C2410_LCDCON1_TFT,
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.width = 240,
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.height = 320,
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.pixclock = 260000,
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.xres = 240,
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.yres = 320,
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.bpp = 16,
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.left_margin = 8,
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.right_margin = 20,
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.hsync_len = 4,
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.upper_margin = 8,
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.lower_margin = 7,
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.vsync_len = 1,
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};
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static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
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.displays = &h1940_lcd,
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.num_displays = 1,
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.default_display = 0,
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.lpcsel = 0x02,
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.gpccon = 0xaa940659,
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.gpccon_mask = 0xffffc0f0,
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.gpcup = 0x0000ffff,
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.gpcup_mask = 0xffffffff,
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.gpdcon = 0xaa84aaa0,
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.gpdcon_mask = 0xffffffff,
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.gpdup = 0x0000faff,
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.gpdup_mask = 0xffffffff,
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};
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static int power_supply_init(struct device *dev)
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{
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return gpio_request(S3C2410_GPF(2), "cable plugged");
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}
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static int h1940_is_ac_online(void)
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{
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return !gpio_get_value(S3C2410_GPF(2));
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}
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static void power_supply_exit(struct device *dev)
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{
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gpio_free(S3C2410_GPF(2));
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}
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static char *h1940_supplicants[] = {
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"main-battery",
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"backup-battery",
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};
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static struct pda_power_pdata power_supply_info = {
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.init = power_supply_init,
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.is_ac_online = h1940_is_ac_online,
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.exit = power_supply_exit,
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.supplied_to = h1940_supplicants,
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.num_supplicants = ARRAY_SIZE(h1940_supplicants),
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};
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static struct resource power_supply_resources[] = {
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[0] = DEFINE_RES_NAMED(IRQ_EINT2, 1, "ac", IORESOURCE_IRQ \
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| IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE),
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};
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static struct platform_device power_supply = {
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.name = "pda-power",
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.id = -1,
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.dev = {
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.platform_data =
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&power_supply_info,
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},
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.resource = power_supply_resources,
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.num_resources = ARRAY_SIZE(power_supply_resources),
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};
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static const struct s3c_adc_bat_thresh bat_lut_noac[] = {
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{ .volt = 4070, .cur = 162, .level = 100},
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{ .volt = 4040, .cur = 165, .level = 95},
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{ .volt = 4016, .cur = 164, .level = 90},
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{ .volt = 3996, .cur = 166, .level = 85},
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{ .volt = 3971, .cur = 168, .level = 80},
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{ .volt = 3951, .cur = 168, .level = 75},
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{ .volt = 3931, .cur = 170, .level = 70},
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{ .volt = 3903, .cur = 172, .level = 65},
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{ .volt = 3886, .cur = 172, .level = 60},
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{ .volt = 3858, .cur = 176, .level = 55},
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{ .volt = 3842, .cur = 176, .level = 50},
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{ .volt = 3818, .cur = 176, .level = 45},
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{ .volt = 3789, .cur = 180, .level = 40},
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{ .volt = 3769, .cur = 180, .level = 35},
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{ .volt = 3749, .cur = 184, .level = 30},
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{ .volt = 3732, .cur = 184, .level = 25},
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{ .volt = 3716, .cur = 184, .level = 20},
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{ .volt = 3708, .cur = 184, .level = 15},
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{ .volt = 3716, .cur = 96, .level = 10},
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{ .volt = 3700, .cur = 96, .level = 5},
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{ .volt = 3684, .cur = 96, .level = 0},
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};
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static const struct s3c_adc_bat_thresh bat_lut_acin[] = {
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{ .volt = 4130, .cur = 0, .level = 100},
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{ .volt = 3982, .cur = 0, .level = 50},
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{ .volt = 3854, .cur = 0, .level = 10},
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{ .volt = 3841, .cur = 0, .level = 0},
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};
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static int h1940_bat_init(void)
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{
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int ret;
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ret = gpio_request(H1940_LATCH_SM803_ENABLE, "h1940-charger-enable");
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if (ret)
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return ret;
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gpio_direction_output(H1940_LATCH_SM803_ENABLE, 0);
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return 0;
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}
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static void h1940_bat_exit(void)
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{
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gpio_free(H1940_LATCH_SM803_ENABLE);
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}
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static void h1940_enable_charger(void)
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{
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gpio_set_value(H1940_LATCH_SM803_ENABLE, 1);
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}
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static void h1940_disable_charger(void)
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{
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gpio_set_value(H1940_LATCH_SM803_ENABLE, 0);
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}
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static struct s3c_adc_bat_pdata h1940_bat_cfg = {
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.init = h1940_bat_init,
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.exit = h1940_bat_exit,
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.enable_charger = h1940_enable_charger,
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.disable_charger = h1940_disable_charger,
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.gpio_charge_finished = S3C2410_GPF(3),
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.gpio_inverted = 1,
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.lut_noac = bat_lut_noac,
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.lut_noac_cnt = ARRAY_SIZE(bat_lut_noac),
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.lut_acin = bat_lut_acin,
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.lut_acin_cnt = ARRAY_SIZE(bat_lut_acin),
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.volt_channel = 0,
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.current_channel = 1,
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.volt_mult = 4056,
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.current_mult = 1893,
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.internal_impedance = 200,
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.backup_volt_channel = 3,
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/* TODO Check backup volt multiplier */
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.backup_volt_mult = 4056,
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.backup_volt_min = 0,
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.backup_volt_max = 4149288
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};
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static struct platform_device h1940_battery = {
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.name = "s3c-adc-battery",
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.id = -1,
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.dev = {
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.parent = &s3c_device_adc.dev,
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.platform_data = &h1940_bat_cfg,
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},
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};
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static DEFINE_SPINLOCK(h1940_blink_spin);
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int h1940_led_blink_set(struct gpio_desc *desc, int state,
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unsigned long *delay_on, unsigned long *delay_off)
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{
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int blink_gpio, check_gpio1, check_gpio2;
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int gpio = desc ? desc_to_gpio(desc) : -EINVAL;
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switch (gpio) {
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case H1940_LATCH_LED_GREEN:
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blink_gpio = S3C2410_GPA(7);
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check_gpio1 = S3C2410_GPA(1);
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check_gpio2 = S3C2410_GPA(3);
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break;
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case H1940_LATCH_LED_RED:
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blink_gpio = S3C2410_GPA(1);
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check_gpio1 = S3C2410_GPA(7);
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check_gpio2 = S3C2410_GPA(3);
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break;
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default:
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blink_gpio = S3C2410_GPA(3);
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check_gpio1 = S3C2410_GPA(1);
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check_gpio2 = S3C2410_GPA(7);
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break;
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}
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if (delay_on && delay_off && !*delay_on && !*delay_off)
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*delay_on = *delay_off = 500;
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spin_lock(&h1940_blink_spin);
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switch (state) {
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case GPIO_LED_NO_BLINK_LOW:
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case GPIO_LED_NO_BLINK_HIGH:
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if (!gpio_get_value(check_gpio1) &&
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!gpio_get_value(check_gpio2))
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gpio_set_value(H1940_LATCH_LED_FLASH, 0);
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gpio_set_value(blink_gpio, 0);
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if (gpio_is_valid(gpio))
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gpio_set_value(gpio, state);
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break;
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case GPIO_LED_BLINK:
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if (gpio_is_valid(gpio))
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gpio_set_value(gpio, 0);
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gpio_set_value(H1940_LATCH_LED_FLASH, 1);
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gpio_set_value(blink_gpio, 1);
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break;
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}
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spin_unlock(&h1940_blink_spin);
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return 0;
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}
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EXPORT_SYMBOL(h1940_led_blink_set);
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static struct gpio_led h1940_leds_desc[] = {
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{
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.name = "Green",
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.default_trigger = "main-battery-full",
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.gpio = H1940_LATCH_LED_GREEN,
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.retain_state_suspended = 1,
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},
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{
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.name = "Red",
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.default_trigger
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= "main-battery-charging-blink-full-solid",
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.gpio = H1940_LATCH_LED_RED,
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.retain_state_suspended = 1,
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},
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};
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static struct gpio_led_platform_data h1940_leds_pdata = {
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.num_leds = ARRAY_SIZE(h1940_leds_desc),
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.leds = h1940_leds_desc,
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.gpio_blink_set = h1940_led_blink_set,
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};
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static struct platform_device h1940_device_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &h1940_leds_pdata,
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},
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};
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static struct platform_device h1940_device_bluetooth = {
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.name = "h1940-bt",
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.id = -1,
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};
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static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd)
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{
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switch (power_mode) {
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case MMC_POWER_OFF:
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gpio_set_value(H1940_LATCH_SD_POWER, 0);
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break;
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case MMC_POWER_UP:
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case MMC_POWER_ON:
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gpio_set_value(H1940_LATCH_SD_POWER, 1);
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break;
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default:
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break;
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}
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}
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static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
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.gpio_detect = S3C2410_GPF(5),
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.gpio_wprotect = S3C2410_GPH(8),
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.set_power = h1940_set_mmc_power,
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.ocr_avail = MMC_VDD_32_33,
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};
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static int h1940_backlight_init(struct device *dev)
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{
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gpio_request(S3C2410_GPB(0), "Backlight");
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gpio_direction_output(S3C2410_GPB(0), 0);
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s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
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s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
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gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
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return 0;
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}
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static int h1940_backlight_notify(struct device *dev, int brightness)
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{
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if (!brightness) {
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gpio_direction_output(S3C2410_GPB(0), 1);
|
|
gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
|
|
} else {
|
|
gpio_direction_output(S3C2410_GPB(0), 0);
|
|
s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE);
|
|
s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0);
|
|
gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1);
|
|
}
|
|
return brightness;
|
|
}
|
|
|
|
static void h1940_backlight_exit(struct device *dev)
|
|
{
|
|
gpio_direction_output(S3C2410_GPB(0), 1);
|
|
gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
|
|
}
|
|
|
|
|
|
static struct platform_pwm_backlight_data backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = 100,
|
|
.dft_brightness = 50,
|
|
/* tcnt = 0x31 */
|
|
.pwm_period_ns = 36296,
|
|
.enable_gpio = -1,
|
|
.init = h1940_backlight_init,
|
|
.notify = h1940_backlight_notify,
|
|
.exit = h1940_backlight_exit,
|
|
};
|
|
|
|
static struct platform_device h1940_backlight = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &samsung_device_pwm.dev,
|
|
.platform_data = &backlight_data,
|
|
},
|
|
.id = -1,
|
|
};
|
|
|
|
static void h1940_lcd_power_set(struct plat_lcd_data *pd,
|
|
unsigned int power)
|
|
{
|
|
int value, retries = 100;
|
|
|
|
if (!power) {
|
|
gpio_set_value(S3C2410_GPC(0), 0);
|
|
/* wait for 3ac */
|
|
do {
|
|
value = gpio_get_value(S3C2410_GPC(6));
|
|
} while (value && retries--);
|
|
|
|
gpio_set_value(H1940_LATCH_LCD_P2, 0);
|
|
gpio_set_value(H1940_LATCH_LCD_P3, 0);
|
|
gpio_set_value(H1940_LATCH_LCD_P4, 0);
|
|
|
|
gpio_direction_output(S3C2410_GPC(1), 0);
|
|
gpio_direction_output(S3C2410_GPC(4), 0);
|
|
|
|
gpio_set_value(H1940_LATCH_LCD_P1, 0);
|
|
gpio_set_value(H1940_LATCH_LCD_P0, 0);
|
|
|
|
gpio_set_value(S3C2410_GPC(5), 0);
|
|
|
|
} else {
|
|
gpio_set_value(H1940_LATCH_LCD_P0, 1);
|
|
gpio_set_value(H1940_LATCH_LCD_P1, 1);
|
|
|
|
gpio_direction_input(S3C2410_GPC(1));
|
|
gpio_direction_input(S3C2410_GPC(4));
|
|
mdelay(10);
|
|
s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2));
|
|
s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2));
|
|
|
|
gpio_set_value(S3C2410_GPC(5), 1);
|
|
gpio_set_value(S3C2410_GPC(0), 1);
|
|
|
|
gpio_set_value(H1940_LATCH_LCD_P3, 1);
|
|
gpio_set_value(H1940_LATCH_LCD_P2, 1);
|
|
gpio_set_value(H1940_LATCH_LCD_P4, 1);
|
|
}
|
|
}
|
|
|
|
static struct plat_lcd_data h1940_lcd_power_data = {
|
|
.set_power = h1940_lcd_power_set,
|
|
};
|
|
|
|
static struct platform_device h1940_lcd_powerdev = {
|
|
.name = "platform-lcd",
|
|
.dev.parent = &s3c_device_lcd.dev,
|
|
.dev.platform_data = &h1940_lcd_power_data,
|
|
};
|
|
|
|
static struct uda1380_platform_data uda1380_info = {
|
|
.gpio_power = H1940_LATCH_UDA_POWER,
|
|
.gpio_reset = S3C2410_GPA(12),
|
|
.dac_clk = UDA1380_DAC_CLK_SYSCLK,
|
|
};
|
|
|
|
static struct i2c_board_info h1940_i2c_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("uda1380", 0x1a),
|
|
.platform_data = &uda1380_info,
|
|
},
|
|
};
|
|
|
|
#define DECLARE_BUTTON(p, k, n, w) \
|
|
{ \
|
|
.gpio = p, \
|
|
.code = k, \
|
|
.desc = n, \
|
|
.wakeup = w, \
|
|
.active_low = 1, \
|
|
}
|
|
|
|
static struct gpio_keys_button h1940_buttons[] = {
|
|
DECLARE_BUTTON(S3C2410_GPF(0), KEY_POWER, "Power", 1),
|
|
DECLARE_BUTTON(S3C2410_GPF(6), KEY_ENTER, "Select", 1),
|
|
DECLARE_BUTTON(S3C2410_GPF(7), KEY_RECORD, "Record", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(0), KEY_F11, "Calendar", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(2), KEY_F12, "Contacts", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(3), KEY_MAIL, "Mail", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(6), KEY_LEFT, "Left_arrow", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(7), KEY_HOMEPAGE, "Home", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(8), KEY_RIGHT, "Right_arrow", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(9), KEY_UP, "Up_arrow", 0),
|
|
DECLARE_BUTTON(S3C2410_GPG(10), KEY_DOWN, "Down_arrow", 0),
|
|
};
|
|
|
|
static struct gpio_keys_platform_data h1940_buttons_data = {
|
|
.buttons = h1940_buttons,
|
|
.nbuttons = ARRAY_SIZE(h1940_buttons),
|
|
};
|
|
|
|
static struct platform_device h1940_dev_buttons = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &h1940_buttons_data,
|
|
}
|
|
};
|
|
|
|
static struct platform_device *h1940_devices[] __initdata = {
|
|
&h1940_dev_buttons,
|
|
&s3c_device_ohci,
|
|
&s3c_device_lcd,
|
|
&s3c_device_wdt,
|
|
&s3c_device_i2c0,
|
|
&s3c_device_iis,
|
|
&s3c_device_usbgadget,
|
|
&h1940_device_leds,
|
|
&h1940_device_bluetooth,
|
|
&s3c_device_sdi,
|
|
&s3c_device_rtc,
|
|
&samsung_device_pwm,
|
|
&h1940_backlight,
|
|
&h1940_lcd_powerdev,
|
|
&s3c_device_adc,
|
|
&s3c_device_ts,
|
|
&power_supply,
|
|
&h1940_battery,
|
|
};
|
|
|
|
static void __init h1940_map_io(void)
|
|
{
|
|
s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
|
|
s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs));
|
|
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
|
|
|
|
/* setup PM */
|
|
|
|
#ifdef CONFIG_PM_H1940
|
|
memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024);
|
|
#endif
|
|
s3c_pm_init();
|
|
|
|
/* Add latch gpio chip, set latch initial value */
|
|
h1940_latch_control(0, 0);
|
|
WARN_ON(gpiochip_add(&h1940_latch_gpiochip));
|
|
}
|
|
|
|
static void __init h1940_init_time(void)
|
|
{
|
|
s3c2410_init_clocks(12000000);
|
|
samsung_timer_init();
|
|
}
|
|
|
|
/* H1940 and RX3715 need to reserve this for suspend */
|
|
static void __init h1940_reserve(void)
|
|
{
|
|
memblock_reserve(0x30003000, 0x1000);
|
|
memblock_reserve(0x30081000, 0x1000);
|
|
}
|
|
|
|
static void __init h1940_init(void)
|
|
{
|
|
u32 tmp;
|
|
|
|
s3c24xx_fb_set_platdata(&h1940_fb_info);
|
|
s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
|
|
s3c24xx_udc_set_platdata(&h1940_udc_cfg);
|
|
s3c24xx_ts_set_platdata(&h1940_ts_cfg);
|
|
s3c_i2c0_set_platdata(NULL);
|
|
|
|
/* Turn off suspend on both USB ports, and switch the
|
|
* selectable USB port to USB device mode. */
|
|
|
|
s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
|
|
S3C2410_MISCCR_USBSUSPND0 |
|
|
S3C2410_MISCCR_USBSUSPND1, 0x0);
|
|
|
|
tmp = (0x78 << S3C24XX_PLL_MDIV_SHIFT)
|
|
| (0x02 << S3C24XX_PLL_PDIV_SHIFT)
|
|
| (0x03 << S3C24XX_PLL_SDIV_SHIFT);
|
|
writel(tmp, S3C2410_UPLLCON);
|
|
|
|
gpio_request(S3C2410_GPC(0), "LCD power");
|
|
gpio_request(S3C2410_GPC(1), "LCD power");
|
|
gpio_request(S3C2410_GPC(4), "LCD power");
|
|
gpio_request(S3C2410_GPC(5), "LCD power");
|
|
gpio_request(S3C2410_GPC(6), "LCD power");
|
|
gpio_request(H1940_LATCH_LCD_P0, "LCD power");
|
|
gpio_request(H1940_LATCH_LCD_P1, "LCD power");
|
|
gpio_request(H1940_LATCH_LCD_P2, "LCD power");
|
|
gpio_request(H1940_LATCH_LCD_P3, "LCD power");
|
|
gpio_request(H1940_LATCH_LCD_P4, "LCD power");
|
|
gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power");
|
|
gpio_direction_output(S3C2410_GPC(0), 0);
|
|
gpio_direction_output(S3C2410_GPC(1), 0);
|
|
gpio_direction_output(S3C2410_GPC(4), 0);
|
|
gpio_direction_output(S3C2410_GPC(5), 0);
|
|
gpio_direction_input(S3C2410_GPC(6));
|
|
gpio_direction_output(H1940_LATCH_LCD_P0, 0);
|
|
gpio_direction_output(H1940_LATCH_LCD_P1, 0);
|
|
gpio_direction_output(H1940_LATCH_LCD_P2, 0);
|
|
gpio_direction_output(H1940_LATCH_LCD_P3, 0);
|
|
gpio_direction_output(H1940_LATCH_LCD_P4, 0);
|
|
gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0);
|
|
|
|
gpio_request(H1940_LATCH_SD_POWER, "SD power");
|
|
gpio_direction_output(H1940_LATCH_SD_POWER, 0);
|
|
|
|
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
|
|
|
|
gpio_request(S3C2410_GPA(1), "Red LED blink");
|
|
gpio_request(S3C2410_GPA(3), "Blue LED blink");
|
|
gpio_request(S3C2410_GPA(7), "Green LED blink");
|
|
gpio_request(H1940_LATCH_LED_FLASH, "LED blink");
|
|
gpio_direction_output(S3C2410_GPA(1), 0);
|
|
gpio_direction_output(S3C2410_GPA(3), 0);
|
|
gpio_direction_output(S3C2410_GPA(7), 0);
|
|
gpio_direction_output(H1940_LATCH_LED_FLASH, 0);
|
|
|
|
i2c_register_board_info(0, h1940_i2c_devices,
|
|
ARRAY_SIZE(h1940_i2c_devices));
|
|
}
|
|
|
|
MACHINE_START(H1940, "IPAQ-H1940")
|
|
/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
|
|
.atag_offset = 0x100,
|
|
.map_io = h1940_map_io,
|
|
.reserve = h1940_reserve,
|
|
.init_irq = s3c2410_init_irq,
|
|
.init_machine = h1940_init,
|
|
.init_time = h1940_init_time,
|
|
MACHINE_END
|