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

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Renesas Technology Europe RSK+ 7203 Support.
   4  *
   5  * Copyright (C) 2008 - 2010  Paul Mundt
   6  */
   7 #include <linux/init.h>
   8 #include <linux/types.h>
   9 #include <linux/platform_device.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/smsc911x.h>
  12 #include <linux/input.h>
  13 #include <linux/gpio.h>
  14 #include <linux/gpio_keys.h>
  15 #include <linux/leds.h>
  16 #include <asm/machvec.h>
  17 #include <asm/io.h>
  18 #include <cpu/sh7203.h>
  19
  20 static struct smsc911x_platform_config smsc911x_config = {
  21         .phy_interface  = PHY_INTERFACE_MODE_MII,
  22         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  23         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  24         .flags          = SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
  25 };
  26
  27 static struct resource smsc911x_resources[] = {
  28         [0] = {
  29                 .start          = 0x24000000,
  30                 .end            = 0x240000ff,
  31                 .flags          = IORESOURCE_MEM,
  32         },
  33         [1] = {
  34                 .start          = 64,
  35                 .end            = 64,
  36                 .flags          = IORESOURCE_IRQ,
  37         },
  38 };
  39
  40 static struct platform_device smsc911x_device = {
  41         .name           = "smsc911x",
  42         .id             = -1,
  43         .num_resources  = ARRAY_SIZE(smsc911x_resources),
  44         .resource       = smsc911x_resources,
  45         .dev            = {
  46                 .platform_data = &smsc911x_config,
  47         },
  48 };
  49
  50 static struct gpio_led rsk7203_gpio_leds[] = {
  51         {
  52                 .name                   = "green",
  53                 .gpio                   = GPIO_PE10,
  54                 .active_low             = 1,
  55         }, {
  56                 .name                   = "orange",
  57                 .default_trigger        = "nand-disk",
  58                 .gpio                   = GPIO_PE12,
  59                 .active_low             = 1,
  60         }, {
  61                 .name                   = "red:timer",
  62                 .default_trigger        = "timer",
  63                 .gpio                   = GPIO_PC14,
  64                 .active_low             = 1,
  65         }, {
  66                 .name                   = "red:heartbeat",
  67                 .default_trigger        = "heartbeat",
  68                 .gpio                   = GPIO_PE11,
  69                 .active_low             = 1,
  70         },
  71 };
  72
  73 static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
  74         .leds           = rsk7203_gpio_leds,
  75         .num_leds       = ARRAY_SIZE(rsk7203_gpio_leds),
  76 };
  77
  78 static struct platform_device led_device = {
  79         .name           = "leds-gpio",
  80         .id             = -1,
  81         .dev            = {
  82                 .platform_data  = &rsk7203_gpio_leds_info,
  83         },
  84 };
  85
  86 static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
  87         {
  88                 .code           = BTN_0,
  89                 .gpio           = GPIO_PB0,
  90                 .active_low     = 1,
  91                 .desc           = "SW1",
  92         }, {
  93                 .code           = BTN_1,
  94                 .gpio           = GPIO_PB1,
  95                 .active_low     = 1,
  96                 .desc           = "SW2",
  97         }, {
  98                 .code           = BTN_2,
  99                 .gpio           = GPIO_PB2,
 100                 .active_low     = 1,
 101                 .desc           = "SW3",
 102         },
 103 };
 104
 105 static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
 106         .buttons        = rsk7203_gpio_keys_table,
 107         .nbuttons       = ARRAY_SIZE(rsk7203_gpio_keys_table),
 108         .poll_interval  = 50, /* default to 50ms */
 109 };
 110
 111 static struct platform_device keys_device = {
 112         .name           = "gpio-keys-polled",
 113         .dev            = {
 114                 .platform_data  = &rsk7203_gpio_keys_info,
 115         },
 116 };
 117
 118 static struct platform_device *rsk7203_devices[] __initdata = {
 119         &smsc911x_device,
 120         &led_device,
 121         &keys_device,
 122 };
 123
 124 static int __init rsk7203_devices_setup(void)
 125 {
 126         /* Select pins for SCIF0 */
 127         gpio_request(GPIO_FN_TXD0, NULL);
 128         gpio_request(GPIO_FN_RXD0, NULL);
 129
 130         /* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
 131         __raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
 132         gpio_request(GPIO_FN_IRQ0_PB, NULL);
 133
 134         return platform_add_devices(rsk7203_devices,
 135                                     ARRAY_SIZE(rsk7203_devices));
 136 }
 137 device_initcall(rsk7203_devices_setup);