Merge branch 'for-linus-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-3.10.git] / arch / mips / jz4740 / platform.c
1 /*
2  *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
3  *  JZ4740 platform devices
4  *
5  *  This program is free software; you can redistribute it and/or modify it
6  *  under  the terms of the GNU General  Public License as published by the
7  *  Free Software Foundation;  either version 2 of the License, or (at your
8  *  option) any later version.
9  *
10  *  You should have received a copy of the GNU General Public License along
11  *  with this program; if not, write to the Free Software Foundation, Inc.,
12  *  675 Mass Ave, Cambridge, MA 02139, USA.
13  *
14  */
15
16 #include <linux/device.h>
17 #include <linux/init.h>
18 #include <linux/kernel.h>
19 #include <linux/platform_device.h>
20 #include <linux/resource.h>
21
22 #include <linux/dma-mapping.h>
23
24 #include <asm/mach-jz4740/platform.h>
25 #include <asm/mach-jz4740/base.h>
26 #include <asm/mach-jz4740/irq.h>
27
28 #include <linux/serial_core.h>
29 #include <linux/serial_8250.h>
30
31 #include "serial.h"
32 #include "clock.h"
33
34 /* OHCI controller */
35 static struct resource jz4740_usb_ohci_resources[] = {
36         {
37                 .start  = JZ4740_UHC_BASE_ADDR,
38                 .end    = JZ4740_UHC_BASE_ADDR + 0x1000 - 1,
39                 .flags  = IORESOURCE_MEM,
40         },
41         {
42                 .start  = JZ4740_IRQ_UHC,
43                 .end    = JZ4740_IRQ_UHC,
44                 .flags  = IORESOURCE_IRQ,
45         },
46 };
47
48 struct platform_device jz4740_usb_ohci_device = {
49         .name           = "jz4740-ohci",
50         .id             = -1,
51         .dev = {
52                 .dma_mask = &jz4740_usb_ohci_device.dev.coherent_dma_mask,
53                 .coherent_dma_mask = DMA_BIT_MASK(32),
54         },
55         .num_resources  = ARRAY_SIZE(jz4740_usb_ohci_resources),
56         .resource       = jz4740_usb_ohci_resources,
57 };
58
59 /* UDC (USB gadget controller) */
60 static struct resource jz4740_usb_gdt_resources[] = {
61         {
62                 .start  = JZ4740_UDC_BASE_ADDR,
63                 .end    = JZ4740_UDC_BASE_ADDR + 0x1000 - 1,
64                 .flags  = IORESOURCE_MEM,
65         },
66         {
67                 .start  = JZ4740_IRQ_UDC,
68                 .end    = JZ4740_IRQ_UDC,
69                 .flags  = IORESOURCE_IRQ,
70         },
71 };
72
73 struct platform_device jz4740_udc_device = {
74         .name           = "jz-udc",
75         .id             = -1,
76         .dev = {
77                 .dma_mask = &jz4740_udc_device.dev.coherent_dma_mask,
78                 .coherent_dma_mask = DMA_BIT_MASK(32),
79         },
80         .num_resources  = ARRAY_SIZE(jz4740_usb_gdt_resources),
81         .resource       = jz4740_usb_gdt_resources,
82 };
83
84 /* MMC/SD controller */
85 static struct resource jz4740_mmc_resources[] = {
86         {
87                 .start  = JZ4740_MSC_BASE_ADDR,
88                 .end    = JZ4740_MSC_BASE_ADDR + 0x1000 - 1,
89                 .flags  = IORESOURCE_MEM,
90         },
91         {
92                 .start  = JZ4740_IRQ_MSC,
93                 .end    = JZ4740_IRQ_MSC,
94                 .flags  = IORESOURCE_IRQ,
95         }
96 };
97
98 struct platform_device jz4740_mmc_device = {
99         .name           = "jz4740-mmc",
100         .id             = 0,
101         .dev = {
102                 .dma_mask = &jz4740_mmc_device.dev.coherent_dma_mask,
103                 .coherent_dma_mask = DMA_BIT_MASK(32),
104         },
105         .num_resources  = ARRAY_SIZE(jz4740_mmc_resources),
106         .resource       = jz4740_mmc_resources,
107 };
108
109 /* RTC controller */
110 static struct resource jz4740_rtc_resources[] = {
111         {
112                 .start  = JZ4740_RTC_BASE_ADDR,
113                 .end    = JZ4740_RTC_BASE_ADDR + 0x38 - 1,
114                 .flags  = IORESOURCE_MEM,
115         },
116         {
117                 .start  = JZ4740_IRQ_RTC,
118                 .end    = JZ4740_IRQ_RTC,
119                 .flags  = IORESOURCE_IRQ,
120         },
121 };
122
123 struct platform_device jz4740_rtc_device = {
124         .name           = "jz4740-rtc",
125         .id             = -1,
126         .num_resources  = ARRAY_SIZE(jz4740_rtc_resources),
127         .resource       = jz4740_rtc_resources,
128 };
129
130 /* I2C controller */
131 static struct resource jz4740_i2c_resources[] = {
132         {
133                 .start  = JZ4740_I2C_BASE_ADDR,
134                 .end    = JZ4740_I2C_BASE_ADDR + 0x1000 - 1,
135                 .flags  = IORESOURCE_MEM,
136         },
137         {
138                 .start  = JZ4740_IRQ_I2C,
139                 .end    = JZ4740_IRQ_I2C,
140                 .flags  = IORESOURCE_IRQ,
141         }
142 };
143
144 struct platform_device jz4740_i2c_device = {
145         .name           = "jz4740-i2c",
146         .id             = 0,
147         .num_resources  = ARRAY_SIZE(jz4740_i2c_resources),
148         .resource       = jz4740_i2c_resources,
149 };
150
151 /* NAND controller */
152 static struct resource jz4740_nand_resources[] = {
153         {
154                 .name   = "mmio",
155                 .start  = JZ4740_EMC_BASE_ADDR,
156                 .end    = JZ4740_EMC_BASE_ADDR + 0x1000 - 1,
157                 .flags  = IORESOURCE_MEM,
158         },
159         {
160                 .name   = "bank1",
161                 .start  = 0x18000000,
162                 .end    = 0x180C0000 - 1,
163                 .flags = IORESOURCE_MEM,
164         },
165         {
166                 .name   = "bank2",
167                 .start  = 0x14000000,
168                 .end    = 0x140C0000 - 1,
169                 .flags = IORESOURCE_MEM,
170         },
171         {
172                 .name   = "bank3",
173                 .start  = 0x0C000000,
174                 .end    = 0x0C0C0000 - 1,
175                 .flags = IORESOURCE_MEM,
176         },
177         {
178                 .name   = "bank4",
179                 .start  = 0x08000000,
180                 .end    = 0x080C0000 - 1,
181                 .flags = IORESOURCE_MEM,
182         },
183 };
184
185 struct platform_device jz4740_nand_device = {
186         .name = "jz4740-nand",
187         .num_resources = ARRAY_SIZE(jz4740_nand_resources),
188         .resource = jz4740_nand_resources,
189 };
190
191 /* LCD controller */
192 static struct resource jz4740_framebuffer_resources[] = {
193         {
194                 .start  = JZ4740_LCD_BASE_ADDR,
195                 .end    = JZ4740_LCD_BASE_ADDR + 0x1000 - 1,
196                 .flags  = IORESOURCE_MEM,
197         },
198 };
199
200 struct platform_device jz4740_framebuffer_device = {
201         .name           = "jz4740-fb",
202         .id             = -1,
203         .num_resources  = ARRAY_SIZE(jz4740_framebuffer_resources),
204         .resource       = jz4740_framebuffer_resources,
205         .dev = {
206                 .dma_mask = &jz4740_framebuffer_device.dev.coherent_dma_mask,
207                 .coherent_dma_mask = DMA_BIT_MASK(32),
208         },
209 };
210
211 /* I2S controller */
212 static struct resource jz4740_i2s_resources[] = {
213         {
214                 .start  = JZ4740_AIC_BASE_ADDR,
215                 .end    = JZ4740_AIC_BASE_ADDR + 0x38 - 1,
216                 .flags  = IORESOURCE_MEM,
217         },
218 };
219
220 struct platform_device jz4740_i2s_device = {
221         .name           = "jz4740-i2s",
222         .id             = -1,
223         .num_resources  = ARRAY_SIZE(jz4740_i2s_resources),
224         .resource       = jz4740_i2s_resources,
225 };
226
227 /* PCM */
228 struct platform_device jz4740_pcm_device = {
229         .name           = "jz4740-pcm-audio",
230         .id             = -1,
231 };
232
233 /* Codec */
234 static struct resource jz4740_codec_resources[] = {
235         {
236                 .start  = JZ4740_AIC_BASE_ADDR + 0x80,
237                 .end    = JZ4740_AIC_BASE_ADDR + 0x88 - 1,
238                 .flags  = IORESOURCE_MEM,
239         },
240 };
241
242 struct platform_device jz4740_codec_device = {
243         .name           = "jz4740-codec",
244         .id             = -1,
245         .num_resources  = ARRAY_SIZE(jz4740_codec_resources),
246         .resource       = jz4740_codec_resources,
247 };
248
249 /* ADC controller */
250 static struct resource jz4740_adc_resources[] = {
251         {
252                 .start  = JZ4740_SADC_BASE_ADDR,
253                 .end    = JZ4740_SADC_BASE_ADDR + 0x30,
254                 .flags  = IORESOURCE_MEM,
255         },
256         {
257                 .start  = JZ4740_IRQ_SADC,
258                 .end    = JZ4740_IRQ_SADC,
259                 .flags  = IORESOURCE_IRQ,
260         },
261         {
262                 .start  = JZ4740_IRQ_ADC_BASE,
263                 .end    = JZ4740_IRQ_ADC_BASE,
264                 .flags  = IORESOURCE_IRQ,
265         },
266 };
267
268 struct platform_device jz4740_adc_device = {
269         .name           = "jz4740-adc",
270         .id             = -1,
271         .num_resources  = ARRAY_SIZE(jz4740_adc_resources),
272         .resource       = jz4740_adc_resources,
273 };
274
275 /* Serial */
276 #define JZ4740_UART_DATA(_id) \
277         { \
278                 .flags = UPF_SKIP_TEST | UPF_IOREMAP | UPF_FIXED_TYPE, \
279                 .iotype = UPIO_MEM, \
280                 .regshift = 2, \
281                 .serial_out = jz4740_serial_out, \
282                 .type = PORT_16550, \
283                 .mapbase = JZ4740_UART ## _id ## _BASE_ADDR, \
284                 .irq = JZ4740_IRQ_UART ## _id, \
285         }
286
287 static struct plat_serial8250_port jz4740_uart_data[] = {
288         JZ4740_UART_DATA(0),
289         JZ4740_UART_DATA(1),
290         {},
291 };
292
293 static struct platform_device jz4740_uart_device = {
294         .name = "serial8250",
295         .id = 0,
296         .dev = {
297                 .platform_data = jz4740_uart_data,
298         },
299 };
300
301 void jz4740_serial_device_register(void)
302 {
303         struct plat_serial8250_port *p;
304
305         for (p = jz4740_uart_data; p->flags != 0; ++p)
306                 p->uartclk = jz4740_clock_bdata.ext_rate;
307
308         platform_device_register(&jz4740_uart_device);
309 }
310
311 /* Watchdog */
312 static struct resource jz4740_wdt_resources[] = {
313         {
314                 .start = JZ4740_WDT_BASE_ADDR,
315                 .end   = JZ4740_WDT_BASE_ADDR + 0x10 - 1,
316                 .flags = IORESOURCE_MEM,
317         },
318 };
319
320 struct platform_device jz4740_wdt_device = {
321         .name          = "jz4740-wdt",
322         .id            = -1,
323         .num_resources = ARRAY_SIZE(jz4740_wdt_resources),
324         .resource      = jz4740_wdt_resources,
325 };