[xburst] Add support for the n516

[openwrt/svn-archive/archive.git] / target / linux / xburst / files-2.6.32 / arch / mips / jz4740 / board-n516.c

diff --git a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c
new file mode 100644 (file)
index 0000000..0e146ac
--- /dev/null
+++ b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/board-n516.c
@@ -0,0 +1,201 @@
+/*
+ * 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);