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); 141