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
  23 static 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
  30 static 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
  43 static 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
  53 static 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
  76 static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
  77         .leds           = rsk7203_gpio_leds,
  78         .num_leds       = ARRAY_SIZE(rsk7203_gpio_leds),
  79 };
  80
  81 static struct platform_device led_device = {
  82         .name           = "leds-gpio",
  83         .id             = -1,
  84         .dev            = {
  85                 .platform_data  = &rsk7203_gpio_leds_info,
  86         },
  87 };
  88
  89 static 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
 108 static 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
 114 static struct platform_device keys_device = {
 115         .name           = "gpio-keys-polled",
 116         .dev            = {
 117                 .platform_data  = &rsk7203_gpio_keys_info,
 118         },
 119 };
 120
 121 static struct platform_device *rsk7203_devices[] __initdata = {
 122         &smsc911x_device,
 123         &led_device,
 124         &keys_device,
 125 };
 126
 127 static 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 }
 140 device_initcall(rsk7203_devices_setup);