LXR linux/arch/sh/boards/mach-rsk/devices-rsk7203.c

   1/*
   2 * Renesas Technology Europe RSK+ 7203 Support.
   3 *
   4 * Copyright (C) 2008 - 2010  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/input.h>
  16#include <linux/gpio.h>
  17#include <linux/gpio_keys.h>
  18#include <linux/leds.h>
  19#include <asm/machvec.h>
  20#include <asm/io.h>
  21#include <cpu/sh7203.h>
  22
  23static struct smsc911x_platform_config smsc911x_config = {
  24        .phy_interface  = PHY_INTERFACE_MODE_MII,
  25        .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  26        .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  27        .flags          = SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
  28};
  29
  30static struct resource smsc911x_resources[] = {
  31        [0] = {
  32                .start          = 0x24000000,
  33                .end            = 0x240000ff,
  34                .flags          = IORESOURCE_MEM,
  35        },
  36        [1] = {
  37                .start          = 64,
  38                .end            = 64,
  39                .flags          = IORESOURCE_IRQ,
  40        },
  41};
  42
  43static struct platform_device smsc911x_device = {
  44        .name           = "smsc911x",
  45        .id             = -1,
  46        .num_resources  = ARRAY_SIZE(smsc911x_resources),
  47        .resource       = smsc911x_resources,
  48        .dev            = {
  49                .platform_data = &smsc911x_config,
  50        },
  51};
  52
  53static struct gpio_led rsk7203_gpio_leds[] = {
  54        {
  55                .name                   = "green",
  56                .gpio                   = GPIO_PE10,
  57                .active_low             = 1,
  58        }, {
  59                .name                   = "orange",
  60                .default_trigger        = "nand-disk",
  61                .gpio                   = GPIO_PE12,
  62                .active_low             = 1,
  63        }, {
  64                .name                   = "red:timer",
  65                .default_trigger        = "timer",
  66                .gpio                   = GPIO_PC14,
  67                .active_low             = 1,
  68        }, {
  69                .name                   = "red:heartbeat",
  70                .default_trigger        = "heartbeat",
  71                .gpio                   = GPIO_PE11,
  72                .active_low             = 1,
  73        },
  74};
  75
  76static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
  77        .leds           = rsk7203_gpio_leds,
  78        .num_leds       = ARRAY_SIZE(rsk7203_gpio_leds),
  79};
  80
  81static struct platform_device led_device = {
  82        .name           = "leds-gpio",
  83        .id             = -1,
  84        .dev            = {
  85                .platform_data  = &rsk7203_gpio_leds_info,
  86        },
  87};
  88
  89static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
  90        {
  91                .code           = BTN_0,
  92                .gpio           = GPIO_PB0,
  93                .active_low     = 1,
  94                .desc           = "SW1",
  95        }, {
  96                .code           = BTN_1,
  97                .gpio           = GPIO_PB1,
  98                .active_low     = 1,
  99                .desc           = "SW2",
 100        }, {
 101                .code           = BTN_2,
 102                .gpio           = GPIO_PB2,
 103                .active_low     = 1,
 104                .desc           = "SW3",
 105        },
 106};
 107
 108static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
 109        .buttons        = rsk7203_gpio_keys_table,
 110        .nbuttons       = ARRAY_SIZE(rsk7203_gpio_keys_table),
 111        .poll_interval  = 50, /* default to 50ms */
 112};
 113
 114static struct platform_device keys_device = {
 115        .name           = "gpio-keys-polled",
 116        .dev            = {
 117                .platform_data  = &rsk7203_gpio_keys_info,
 118        },
 119};
 120
 121static struct platform_device *rsk7203_devices[] __initdata = {
 122        &smsc911x_device,
 123        &led_device,
 124        &keys_device,
 125};
 126
 127static int __init rsk7203_devices_setup(void)
 128{
 129        /* Select pins for SCIF0 */
 130        gpio_request(GPIO_FN_TXD0, NULL);
 131        gpio_request(GPIO_FN_RXD0, NULL);
 132
 133        /* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
 134        __raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
 135        gpio_request(GPIO_FN_IRQ0_PB, NULL);
 136
 137        return platform_add_devices(rsk7203_devices,
 138                                    ARRAY_SIZE(rsk7203_devices));
 139}
 140device_initcall(rsk7203_devices_setup);
 141