LXR linux/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
  21static 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
  28static 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
  41static 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
  51static 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
  74static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
  75        .leds           = rsk7203_gpio_leds,
  76        .num_leds       = ARRAY_SIZE(rsk7203_gpio_leds),
  77};
  78
  79static struct platform_device led_device = {
  80        .name           = "leds-gpio",
  81        .id             = -1,
  82        .dev            = {
  83                .platform_data  = &rsk7203_gpio_leds_info,
  84        },
  85};
  86
  87static struct platform_device *rsk7203_devices[] __initdata = {
  88        &smsc911x_device,
  89        &led_device,
  90};
  91
  92static 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        ctrl_outl(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}
 105device_initcall(rsk7203_devices_setup);
 106