1 /*
2 * Freescale STMP37XX/STMP378X platform devices
3 *
4 * Embedded Alley Solutions, Inc <source@embeddedalley.com>
5 *
6 * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
7 * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
8 */
9 
10 /*
11 * The code contained herein is licensed under the GNU General Public
12 * License. You may obtain a copy of the GNU General Public License
13 * Version 2 or later at the following locations:
14 *
15 * http://www.opensource.org/licenses/gpl-license.html
16 * http://www.gnu.org/copyleft/gpl.html
17 */
18 #include <linux/kernel.h>
19 #include <linux/init.h>
20 #include <linux/device.h>
21 #include <linux/platform_device.h>
22 #include <linux/dma-mapping.h>
23 
24 #include <mach/dma.h>
25 #include <mach/platform.h>
26 #include <mach/stmp3xxx.h>
27 #include <mach/regs-lcdif.h>
28 #include <mach/regs-uartapp.h>
29 #include <mach/regs-gpmi.h>
30 #include <mach/regs-usbctrl.h>
31 #include <mach/regs-ssp.h>
32 #include <mach/regs-rtc.h>
33 
34 static u64 common_dmamask = DMA_BIT_MASK(32);
35 
36 static struct resource appuart_resources[] = {
37 	{
38 		.start = IRQ_UARTAPP_INTERNAL,
39 		.end = IRQ_UARTAPP_INTERNAL,
40 		.flags = IORESOURCE_IRQ,
41 	}, {
42 		.start = IRQ_UARTAPP_RX_DMA,
43 		.end = IRQ_UARTAPP_RX_DMA,
44 		.flags = IORESOURCE_IRQ,
45 	}, {
46 		.start = IRQ_UARTAPP_TX_DMA,
47 		.end = IRQ_UARTAPP_TX_DMA,
48 		.flags = IORESOURCE_IRQ,
49 	}, {
50 		.start = REGS_UARTAPP1_PHYS,
51 		.end = REGS_UARTAPP1_PHYS + REGS_UARTAPP_SIZE,
52 		.flags = IORESOURCE_MEM,
53 	}, {
54 		/* Rx DMA channel */
55 		.start = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
56 		.end = STMP3XXX_DMA(6, STMP3XXX_BUS_APBX),
57 		.flags = IORESOURCE_DMA,
58 	}, {
59 		/* Tx DMA channel */
60 		.start = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
61 		.end = STMP3XXX_DMA(7, STMP3XXX_BUS_APBX),
62 		.flags = IORESOURCE_DMA,
63 	},
64 };
65 
66 struct platform_device stmp3xxx_appuart = {
67 	.name = "stmp3xxx-appuart",
68 	.id = 0,
69 	.resource = appuart_resources,
70 	.num_resources = ARRAY_SIZE(appuart_resources),
71 	.dev = {
72 		.dma_mask	= &common_dmamask,
73 		.coherent_dma_mask = DMA_BIT_MASK(32),
74 	},
75 };
76 
77 struct platform_device stmp3xxx_watchdog = {
78       .name   = "stmp3xxx_wdt",
79       .id     = -1,
80 };
81 
82 static struct resource ts_resource[] = {
83 	{
84 		.flags  = IORESOURCE_IRQ,
85 		.start  = IRQ_TOUCH_DETECT,
86 		.end    = IRQ_TOUCH_DETECT,
87 	}, {
88 		.flags  = IORESOURCE_IRQ,
89 		.start  = IRQ_LRADC_CH5,
90 		.end    = IRQ_LRADC_CH5,
91 	},
92 };
93 
94 struct platform_device stmp3xxx_touchscreen = {
95 	.name		= "stmp3xxx_ts",
96 	.id		= -1,
97 	.resource	= ts_resource,
98 	.num_resources	= ARRAY_SIZE(ts_resource),
99 };
100 
101 /*
102 * Keypad device
103 */
104 struct platform_device stmp3xxx_keyboard = {
105 	.name		= "stmp3xxx-keyboard",
106 	.id		= -1,
107 };
108 
109 static struct resource gpmi_resources[] = {
110 	{
111 		.flags = IORESOURCE_MEM,
112 		.start = REGS_GPMI_PHYS,
113 		.end = REGS_GPMI_PHYS + REGS_GPMI_SIZE,
114 	}, {
115 		.flags = IORESOURCE_IRQ,
116 		.start = IRQ_GPMI_DMA,
117 		.end = IRQ_GPMI_DMA,
118 	}, {
119 		.flags = IORESOURCE_DMA,
120 		.start = STMP3XXX_DMA(4, STMP3XXX_BUS_APBH),
121 		.end = STMP3XXX_DMA(8, STMP3XXX_BUS_APBH),
122 	},
123 };
124 
125 struct platform_device stmp3xxx_gpmi = {
126 	.name = "gpmi",
127 	.id = -1,
128 	.dev	= {
129 		.dma_mask	= &common_dmamask,
130 		.coherent_dma_mask = DMA_BIT_MASK(32),
131 	},
132 	.resource = gpmi_resources,
133 	.num_resources = ARRAY_SIZE(gpmi_resources),
134 };
135 
136 static struct resource mmc1_resource[] = {
137 	{
138 		.flags	= IORESOURCE_MEM,
139 		.start	= REGS_SSP1_PHYS,
140 		.end	= REGS_SSP1_PHYS + REGS_SSP_SIZE,
141 	}, {
142 		.flags	= IORESOURCE_DMA,
143 		.start	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
144 		.end	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
145 	}, {
146 		.flags	= IORESOURCE_IRQ,
147 		.start	= IRQ_SSP1_DMA,
148 		.end	= IRQ_SSP1_DMA,
149 	}, {
150 		.flags	= IORESOURCE_IRQ,
151 		.start	= IRQ_SSP_ERROR,
152 		.end	= IRQ_SSP_ERROR,
153 	},
154 };
155 
156 struct platform_device stmp3xxx_mmc = {
157 	.name	= "stmp3xxx-mmc",
158 	.id	= 1,
159 	.dev	= {
160 		.dma_mask	= &common_dmamask,
161 		.coherent_dma_mask = DMA_BIT_MASK(32),
162 	},
163 	.resource = mmc1_resource,
164 	.num_resources = ARRAY_SIZE(mmc1_resource),
165 };
166 
167 static struct resource usb_resources[] = {
168 	{
169 		.start	= REGS_USBCTRL_PHYS,
170 		.end	= REGS_USBCTRL_PHYS + SZ_4K,
171 		.flags	= IORESOURCE_MEM,
172 	}, {
173 		.start	= IRQ_USB_CTRL,
174 		.end	= IRQ_USB_CTRL,
175 		.flags	= IORESOURCE_IRQ,
176 	},
177 };
178 
179 struct platform_device stmp3xxx_udc = {
180 	.name		= "fsl-usb2-udc",
181 	.id		= -1,
182 	.dev		= {
183 		.dma_mask		= &common_dmamask,
184 		.coherent_dma_mask	= DMA_BIT_MASK(32),
185 	},
186 	.resource = usb_resources,
187 	.num_resources = ARRAY_SIZE(usb_resources),
188 };
189 
190 struct platform_device stmp3xxx_ehci = {
191 	.name		= "fsl-ehci",
192 	.id		= -1,
193 	.dev		= {
194 		.dma_mask		= &common_dmamask,
195 		.coherent_dma_mask	= DMA_BIT_MASK(32),
196 	},
197 	.resource	= usb_resources,
198 	.num_resources	= ARRAY_SIZE(usb_resources),
199 };
200 
201 static struct resource rtc_resources[] = {
202 	{
203 		.start	= REGS_RTC_PHYS,
204 		.end	= REGS_RTC_PHYS + REGS_RTC_SIZE,
205 		.flags	= IORESOURCE_MEM,
206 	}, {
207 		.start	= IRQ_RTC_ALARM,
208 		.end	= IRQ_RTC_ALARM,
209 		.flags	= IORESOURCE_IRQ,
210 	}, {
211 		.start	= IRQ_RTC_1MSEC,
212 		.end	= IRQ_RTC_1MSEC,
213 		.flags	= IORESOURCE_IRQ,
214 	},
215 };
216 
217 struct platform_device stmp3xxx_rtc = {
218 	.name		= "stmp3xxx-rtc",
219 	.id		= -1,
220 	.resource	= rtc_resources,
221 	.num_resources	= ARRAY_SIZE(rtc_resources),
222 };
223 
224 static struct resource ssp1_resources[] = {
225 	{
226 		.start	= REGS_SSP1_PHYS,
227 		.end	= REGS_SSP1_PHYS + REGS_SSP_SIZE,
228 		.flags	= IORESOURCE_MEM,
229 	}, {
230 		.start	= IRQ_SSP1_DMA,
231 		.end	= IRQ_SSP1_DMA,
232 		.flags	= IORESOURCE_IRQ,
233 	}, {
234 		.start	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
235 		.end	= STMP3XXX_DMA(1, STMP3XXX_BUS_APBH),
236 		.flags	= IORESOURCE_DMA,
237 	},
238 };
239 
240 static struct resource ssp2_resources[] = {
241 	{
242 		.start	= REGS_SSP2_PHYS,
243 		.end	= REGS_SSP2_PHYS + REGS_SSP_SIZE,
244 		.flags	= IORESOURCE_MEM,
245 	}, {
246 		.start	= IRQ_SSP2_DMA,
247 		.end	= IRQ_SSP2_DMA,
248 		.flags	= IORESOURCE_IRQ,
249 	}, {
250 		.start	= STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
251 		.end	= STMP3XXX_DMA(2, STMP3XXX_BUS_APBH),
252 		.flags	= IORESOURCE_DMA,
253 	},
254 };
255 
256 struct platform_device stmp3xxx_spi1 = {
257 	.name	= "stmp3xxx_ssp",
258 	.id	= 1,
259 	.dev	= {
260 		.dma_mask	= &common_dmamask,
261 		.coherent_dma_mask = DMA_BIT_MASK(32),
262 	},
263 	.resource = ssp1_resources,
264 	.num_resources = ARRAY_SIZE(ssp1_resources),
265 };
266 
267 struct platform_device stmp3xxx_spi2 = {
268 	.name	= "stmp3xxx_ssp",
269 	.id	= 2,
270 	.dev	= {
271 		.dma_mask	= &common_dmamask,
272 		.coherent_dma_mask = DMA_BIT_MASK(32),
273 	},
274 	.resource = ssp2_resources,
275 	.num_resources = ARRAY_SIZE(ssp2_resources),
276 };
277 
278 static struct resource fb_resource[] = {
279 	{
280 		.flags	= IORESOURCE_IRQ,
281 		.start	= IRQ_LCDIF_DMA,
282 		.end	= IRQ_LCDIF_DMA,
283 	}, {
284 		.flags	= IORESOURCE_IRQ,
285 		.start	= IRQ_LCDIF_ERROR,
286 		.end	= IRQ_LCDIF_ERROR,
287 	}, {
288 		.flags	= IORESOURCE_MEM,
289 		.start	= REGS_LCDIF_PHYS,
290 		.end	= REGS_LCDIF_PHYS + REGS_LCDIF_SIZE,
291 	},
292 };
293 
294 struct platform_device stmp3xxx_framebuffer = {
295 	.name		= "stmp3xxx-fb",
296 	.id		= -1,
297 	.dev		= {
298 		.dma_mask		= &common_dmamask,
299 		.coherent_dma_mask	= DMA_BIT_MASK(32),
300 	},
301 	.num_resources	= ARRAY_SIZE(fb_resource),
302 	.resource	= fb_resource,
303 };
304 
305 #define CMDLINE_DEVICE_CHOOSE(name, dev1, dev2)			\
306 	static char *cmdline_device_##name;			\
307 	static int cmdline_device_##name##_setup(char *dev)	\
308 	{							\
309 		cmdline_device_##name = dev + 1;		\
310 		return 0;					\
311 	}							\
312 	__setup(#name, cmdline_device_##name##_setup);		\
313 	int stmp3xxx_##name##_device_register(void)		\
314 	{							\
315 		struct platform_device *d = NULL;		\
316 		if (!cmdline_device_##name ||			\
317 			!strcmp(cmdline_device_##name, #dev1))	\
318 				d = &stmp3xxx_##dev1;		\
319 		else if (!strcmp(cmdline_device_##name, #dev2))	\
320 				d = &stmp3xxx_##dev2;		\
321 		else						\
322 			printk(KERN_ERR"Unknown %s assignment '%s'.\n",	\
323 				#name, cmdline_device_##name);	\
324 		return d ? platform_device_register(d) : -ENOENT;	\
325 	}
326 
327 CMDLINE_DEVICE_CHOOSE(ssp1, mmc, spi1)
328 CMDLINE_DEVICE_CHOOSE(ssp2, gpmi, spi2)
329 
330 struct platform_device stmp3xxx_backlight = {
331 	.name		= "stmp3xxx-bl",
332 	.id		= -1,
333 };
334 
335 struct platform_device stmp3xxx_rotdec = {
336 	.name	= "stmp3xxx-rotdec",
337 	.id	= -1,
338 };
339 
340 struct platform_device stmp3xxx_persistent = {
341 	.name			= "stmp3xxx-persistent",
342 	.id			= -1,
343 };
344 
345 struct platform_device stmp3xxx_dcp_bootstream = {
346 	.name			= "stmp3xxx-dcpboot",
347 	.id			= -1,
348 	.dev	= {
349 		.dma_mask	= &common_dmamask,
350 		.coherent_dma_mask = DMA_BIT_MASK(32),
351 	},
352 };
353 
354 static struct resource dcp_resources[] = {
355 	{
356 		.start = IRQ_DCP_VMI,
357 		.end = IRQ_DCP_VMI,
358 		.flags = IORESOURCE_IRQ,
359 	}, {
360 		.start = IRQ_DCP,
361 		.end = IRQ_DCP,
362 		.flags = IORESOURCE_IRQ,
363 	},
364 };
365 
366 struct platform_device stmp3xxx_dcp = {
367 	.name			= "stmp3xxx-dcp",
368 	.id			= -1,
369 	.resource		= dcp_resources,
370 	.num_resources		= ARRAY_SIZE(dcp_resources),
371 	.dev	= {
372 		.dma_mask	= &common_dmamask,
373 		.coherent_dma_mask = DMA_BIT_MASK(32),
374 	},
375 };
376 
377 static struct resource battery_resource[] = {
378 	{
379 		.flags  = IORESOURCE_IRQ,
380 		.start  = IRQ_VDD5V,
381 		.end    = IRQ_VDD5V,
382 	},
383 };
384 
385 struct platform_device stmp3xxx_battery = {
386 	.name   = "stmp3xxx-battery",
387 	.resource = battery_resource,
388 	.num_resources = ARRAY_SIZE(battery_resource),
389 };
390