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
rsk7203_devices_setup(void)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