/* * 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);