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
23static 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
30static 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
43static 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
53static 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
76static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
77	.leds		= rsk7203_gpio_leds,
78	.num_leds	= ARRAY_SIZE(rsk7203_gpio_leds),
79};
80
81static struct platform_device led_device = {
82	.name		= "leds-gpio",
83	.id		= -1,
84	.dev		= {
85		.platform_data	= &rsk7203_gpio_leds_info,
86	},
87};
88
89static 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
108static 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
114static struct platform_device keys_device = {
115	.name		= "gpio-keys-polled",
116	.dev		= {
117		.platform_data	= &rsk7203_gpio_keys_info,
118	},
119};
120
121static struct platform_device *rsk7203_devices[] __initdata = {
122	&smsc911x_device,
123	&led_device,
124	&keys_device,
125};
126
127static 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}
140device_initcall(rsk7203_devices_setup);
141