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); 138