release/src-rt-6.x.4708/linux/linux-2.6.36/arch/sh/boards/mach-rsk/devices-rsk7203.c

   1 /*
   2  * Renesas Technology Europe RSK+ 7203 Support.
   3  *
   4  * Copyright (C) 2008 Paul Mundt
   5  *
   6  * This file is subject to the terms and conditions of the GNU General Public
   7  * License.  See the file "COPYING" in the main directory of this archive
   8  * for more details.
   9  */
  10 #include <linux/init.h>
  11 #include <linux/types.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/smsc911x.h>
  15 #include <linux/gpio.h>
  16 #include <linux/leds.h>
  17 #include <asm/machvec.h>
  18 #include <asm/io.h>
  19 #include <cpu/sh7203.h>
  20
  21 static struct smsc911x_platform_config smsc911x_config = {
  22         .phy_interface  = PHY_INTERFACE_MODE_MII,
  23         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  24         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  25         .flags          = SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
  26 };
  27
  28 static struct resource smsc911x_resources[] = {
  29         [0] = {
  30                 .start          = 0x24000000,
  31                 .end            = 0x240000ff,
  32                 .flags          = IORESOURCE_MEM,
  33         },
  34         [1] = {
  35                 .start          = 64,
  36                 .end            = 64,
  37                 .flags          = IORESOURCE_IRQ,
  38         },
  39 };
  40
  41 static struct platform_device smsc911x_device = {
  42         .name           = "smsc911x",
  43         .id             = -1,
  44         .num_resources  = ARRAY_SIZE(smsc911x_resources),
  45         .resource       = smsc911x_resources,
  46         .dev            = {
  47                 .platform_data = &smsc911x_config,
  48         },
  49 };
  50
  51 static struct gpio_led rsk7203_gpio_leds[] = {
  52         {
  53                 .name                   = "green",
  54                 .gpio                   = GPIO_PE10,
  55                 .active_low             = 1,
  56         }, {
  57                 .name                   = "orange",
  58                 .default_trigger        = "nand-disk",
  59                 .gpio                   = GPIO_PE12,
  60                 .active_low             = 1,
  61         }, {
  62                 .name                   = "red:timer",
  63                 .default_trigger        = "timer",
  64                 .gpio                   = GPIO_PC14,
  65                 .active_low             = 1,
  66         }, {
  67                 .name                   = "red:heartbeat",
  68                 .default_trigger        = "heartbeat",
  69                 .gpio                   = GPIO_PE11,
  70                 .active_low             = 1,
  71         },
  72 };
  73
  74 static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
  75         .leds           = rsk7203_gpio_leds,
  76         .num_leds       = ARRAY_SIZE(rsk7203_gpio_leds),
  77 };
  78
  79 static struct platform_device led_device = {
  80         .name           = "leds-gpio",
  81         .id             = -1,
  82         .dev            = {
  83                 .platform_data  = &rsk7203_gpio_leds_info,
  84         },
  85 };
  86
  87 static struct platform_device *rsk7203_devices[] __initdata = {
  88         &smsc911x_device,
  89         &led_device,
  90 };
  91
  92 static int __init rsk7203_devices_setup(void)
  93 {
  94         /* Select pins for SCIF0 */
  95         gpio_request(GPIO_FN_TXD0, NULL);
  96         gpio_request(GPIO_FN_RXD0, NULL);
  97
  98         /* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
  99         __raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
 100         gpio_request(GPIO_FN_IRQ0_PB, NULL);
 101
 102         return platform_add_devices(rsk7203_devices,
 103                                     ARRAY_SIZE(rsk7203_devices));
 104 }
 105 device_initcall(rsk7203_devices_setup);