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/*
* linux/arch/mips/jz4740/board-516.c
*
* JZ4740 n516 board setup routines.
*
* Copyright (c) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mmc/jz4740_mmc.h>
#include <linux/mtd/jz4740_nand.h>
#include <linux/leds.h>
#include <linux/power_supply.h>
#include <linux/power/gpio-charger.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <asm/mach-jz4740/board-n516.h>
#include <asm/mach-jz4740/platform.h>
#include "clock.h"
static long n516_panic_blink(long time)
{
gpio_set_value(GPIO_LED_ENABLE, 1);
mdelay(200);
gpio_set_value(GPIO_LED_ENABLE, 0);
mdelay(200);
return 400;
}
static void __init board_gpio_setup(void)
{
/* jz_gpio_enable_pullup(JZ_GPIO_PORTD(23));
jz_gpio_enable_pullup(JZ_GPIO_PORTD(24));*/
}
static struct i2c_gpio_platform_data n516_i2c_pdata = {
.sda_pin = JZ_GPIO_PORTD(23),
.scl_pin = JZ_GPIO_PORTD(24),
.udelay = 2,
.timeout = 3 * HZ,
};
static struct platform_device n516_i2c_device = {
.name = "i2c-gpio",
.id = -1,
.dev = {
.platform_data = &n516_i2c_pdata,
},
};
static const struct i2c_board_info n516_i2c_board_info[] = {
{
.type = "LPC524",
.addr = 0x54,
},
{
.type = "lm75a",
.addr = 0x48,
}
};
static struct jz4740_mmc_platform_data n516_mmc_pdata = {
.gpio_card_detect = GPIO_SD_CD_N,
.card_detect_active_low = 1,
.gpio_read_only = -1,
.gpio_power = GPIO_SD_VCC_EN_N,
.power_active_low = 1,
};
static struct gpio_led n516_leds[] = {
{
.name = "n516:blue:power",
.gpio = GPIO_LED_ENABLE,
.default_state = LEDS_GPIO_DEFSTATE_ON,
.default_trigger = "nand-disk",
}
};
static struct gpio_led_platform_data n516_leds_pdata = {
.leds = n516_leds,
.num_leds = ARRAY_SIZE(n516_leds),
};
static struct platform_device n516_leds_device = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &n516_leds_pdata,
},
};
static struct mtd_partition n516_partitions[] = {
{ .name = "NAND BOOT partition",
.offset = 0 * 0x100000,
.size = 4 * 0x100000,
},
{ .name = "NAND KERNEL partition",
.offset = 4 * 0x100000,
.size = 4 * 0x100000,
},
{ .name = "NAND ROOTFS partition",
.offset = 8 * 0x100000,
.size = 504 * 0x100000,
},
};
static struct nand_ecclayout n516_ecclayout = {
.eccbytes = 36,
.eccpos = {
6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40, 41,
},
.oobfree = {
{.offset = 2,
.length = 4},
{.offset = 42,
.length = 22}}
};
static struct jz_nand_platform_data n516_nand_pdata = {
.ecc_layout = &n516_ecclayout,
.partitions = n516_partitions,
.num_partitions = ARRAY_SIZE(n516_partitions),
.busy_gpio = 94,
};
static char *n516_batteries[] = {
"n516_battery",
};
static struct gpio_charger_platform_data n516_charger_pdata = {
.name = "usb",
.type = POWER_SUPPLY_TYPE_USB,
.gpio = GPIO_USB_DETECT,
.gpio_active_low = 1,
.batteries = n516_batteries,
.num_batteries = ARRAY_SIZE(n516_batteries),
};
static struct platform_device n516_charger_device = {
.name = "gpio-charger",
.dev = {
.platform_data = &n516_charger_pdata,
},
};
static struct platform_device *n516_devices[] __initdata = {
&jz4740_nand_device,
&n516_leds_device,
&jz4740_mmc_device,
&jz4740_i2s_device,
&jz4740_codec_device,
&jz4740_rtc_device,
&jz4740_usb_gdt_device,
&n516_i2c_device,
&n516_charger_device,
};
struct jz4740_clock_board_data jz4740_clock_bdata = {
.ext_rate = 12000000,
.rtc_rate = 32768,
};
extern int jz_gpiolib_init(void);
static int n516_setup_platform(void)
{
if (jz_gpiolib_init())
panic("Failed to initalize jz gpio\n");
jz4740_clock_init();
board_gpio_setup();
panic_blink = n516_panic_blink;
i2c_register_board_info(0, n516_i2c_board_info, ARRAY_SIZE(n516_i2c_board_info));
jz4740_mmc_device.dev.platform_data = &n516_mmc_pdata;
jz4740_nand_device.dev.platform_data = &n516_nand_pdata;
return platform_add_devices(n516_devices, ARRAY_SIZE(n516_devices));
}
arch_initcall(n516_setup_platform);
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