Merge master.kernel.org:/pub/scm/linux/kernel/git/cooloney/blackfin-2.6
[linux-2.6] / arch / blackfin / mach-bf561 / boards / ezkit.c
1 /*
2  * File:         arch/blackfin/mach-bf561/ezkit.c
3  * Based on:
4  * Author:
5  *
6  * Created:
7  * Description:
8  *
9  * Modified:
10  *               Copyright 2004-2006 Analog Devices Inc.
11  *
12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License as published by
16  * the Free Software Foundation; either version 2 of the License, or
17  * (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, see the file COPYING, or write
26  * to the Free Software Foundation, Inc.,
27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
28  */
29
30 #include <linux/device.h>
31 #include <linux/platform_device.h>
32 #include <linux/spi/spi.h>
33 #include <linux/irq.h>
34 #include <linux/interrupt.h>
35 #include <asm/bfin5xx_spi.h>
36
37 /*
38  * Name the Board for the /proc/cpuinfo
39  */
40 char *bfin_board_name = "ADDS-BF561-EZKIT";
41
42 #define ISP1761_BASE       0x2C0F0000
43 #define ISP1761_IRQ        IRQ_PF10
44
45 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
46 static struct resource bfin_isp1761_resources[] = {
47         {
48                 .name   = "isp1761-regs",
49                 .start  = ISP1761_BASE + 0x00000000,
50                 .end    = ISP1761_BASE + 0x000fffff,
51                 .flags  = IORESOURCE_MEM,
52         },
53         {
54                 .start  = ISP1761_IRQ,
55                 .end    = ISP1761_IRQ,
56                 .flags  = IORESOURCE_IRQ,
57         },
58 };
59
60 static struct platform_device bfin_isp1761_device = {
61         .name           = "isp1761",
62         .id             = 0,
63         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
64         .resource       = bfin_isp1761_resources,
65 };
66
67 static struct platform_device *bfin_isp1761_devices[] = {
68         &bfin_isp1761_device,
69 };
70
71 int __init bfin_isp1761_init(void)
72 {
73         unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
74
75         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
76         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
77
78         return platform_add_devices(bfin_isp1761_devices, num_devices);
79 }
80
81 void __exit bfin_isp1761_exit(void)
82 {
83         platform_device_unregister(&bfin_isp1761_device);
84 }
85
86 arch_initcall(bfin_isp1761_init);
87 #endif
88
89 /*
90  *  USB-LAN EzExtender board
91  *  Driver needs to know address, irq and flag pin.
92  */
93 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
94 static struct resource smc91x_resources[] = {
95         {
96                 .name = "smc91x-regs",
97                 .start = 0x2C010300,
98                 .end = 0x2C010300 + 16,
99                 .flags = IORESOURCE_MEM,
100         }, {
101
102                 .start = IRQ_PF9,
103                 .end = IRQ_PF9,
104                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
105         },
106 };
107
108 static struct platform_device smc91x_device = {
109         .name = "smc91x",
110         .id = 0,
111         .num_resources = ARRAY_SIZE(smc91x_resources),
112         .resource = smc91x_resources,
113 };
114 #endif
115
116 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
117 static struct resource bfin_uart_resources[] = {
118         {
119                 .start = 0xFFC00400,
120                 .end = 0xFFC004FF,
121                 .flags = IORESOURCE_MEM,
122         },
123 };
124
125 static struct platform_device bfin_uart_device = {
126         .name = "bfin-uart",
127         .id = 1,
128         .num_resources = ARRAY_SIZE(bfin_uart_resources),
129         .resource = bfin_uart_resources,
130 };
131 #endif
132
133 #ifdef CONFIG_SPI_BFIN
134 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
135         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
136 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
137         .enable_dma = 0,
138         .bits_per_word = 16,
139 };
140 #endif
141 #endif
142
143 /* SPI controller data */
144 static struct bfin5xx_spi_master spi_bfin_master_info = {
145         .num_chipselect = 8,
146         .enable_dma = 1,  /* master has the ability to do dma transfer */
147 };
148
149 static struct platform_device spi_bfin_master_device = {
150         .name = "bfin-spi-master",
151         .id = 1, /* Bus number */
152         .dev = {
153                 .platform_data = &spi_bfin_master_info, /* Passed to driver */
154         },
155 };
156
157 static struct spi_board_info bfin_spi_board_info[] __initdata = {
158 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
159         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
160         {
161                 .modalias = "ad1836-spi",
162                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
163                 .bus_num = 1,
164                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
165                 .controller_data = &ad1836_spi_chip_info,
166         },
167 #endif
168 };
169
170 static struct platform_device *ezkit_devices[] __initdata = {
171 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
172         &smc91x_device,
173 #endif
174 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
175         &spi_bfin_master_device,
176 #endif
177 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
178         &bfin_uart_device,
179 #endif
180 };
181
182 static int __init ezkit_init(void)
183 {
184         int ret;
185
186         printk(KERN_INFO "%s(): registering device resources\n", __func__);
187
188         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
189         if (ret < 0)
190                 return ret;
191
192 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
193         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
194         SSYNC();
195 #endif
196
197         return spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
198 }
199
200 arch_initcall(ezkit_init);