Linux-libre 3.10.48-gnu
[librecmc/linux-libre.git] / arch / arm / mach-shmobile / board-marzen.c
1 /*
2  * marzen board support
3  *
4  * Copyright (C) 2011  Renesas Solutions Corp.
5  * Copyright (C) 2011  Magnus Damm
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; version 2 of the License.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
19  */
20
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/io.h>
28 #include <linux/leds.h>
29 #include <linux/dma-mapping.h>
30 #include <linux/pinctrl/machine.h>
31 #include <linux/regulator/fixed.h>
32 #include <linux/regulator/machine.h>
33 #include <linux/smsc911x.h>
34 #include <linux/spi/spi.h>
35 #include <linux/spi/sh_hspi.h>
36 #include <linux/mmc/host.h>
37 #include <linux/mmc/sh_mobile_sdhi.h>
38 #include <linux/mfd/tmio.h>
39 #include <linux/usb/otg.h>
40 #include <linux/usb/ehci_pdriver.h>
41 #include <linux/usb/ohci_pdriver.h>
42 #include <linux/pm_runtime.h>
43 #include <mach/hardware.h>
44 #include <mach/r8a7779.h>
45 #include <mach/common.h>
46 #include <mach/irqs.h>
47 #include <asm/mach-types.h>
48 #include <asm/mach/arch.h>
49 #include <asm/traps.h>
50
51 /* Fixed 3.3V regulator to be used by SDHI0 */
52 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
53         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
54         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
55 };
56
57 /* Dummy supplies, where voltage doesn't matter */
58 static struct regulator_consumer_supply dummy_supplies[] = {
59         REGULATOR_SUPPLY("vddvario", "smsc911x"),
60         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
61 };
62
63 /* SMSC LAN89218 */
64 static struct resource smsc911x_resources[] = {
65         [0] = {
66                 .start          = 0x18000000, /* ExCS0 */
67                 .end            = 0x180000ff, /* A1->A7 */
68                 .flags          = IORESOURCE_MEM,
69         },
70         [1] = {
71                 .start          = gic_iid(0x3c), /* IRQ 1 */
72                 .flags          = IORESOURCE_IRQ,
73         },
74 };
75
76 static struct smsc911x_platform_config smsc911x_platdata = {
77         .flags          = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
78         .phy_interface  = PHY_INTERFACE_MODE_MII,
79         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
80         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
81 };
82
83 static struct platform_device eth_device = {
84         .name           = "smsc911x",
85         .id             = -1,
86         .dev  = {
87                 .platform_data = &smsc911x_platdata,
88         },
89         .resource       = smsc911x_resources,
90         .num_resources  = ARRAY_SIZE(smsc911x_resources),
91 };
92
93 static struct resource sdhi0_resources[] = {
94         [0] = {
95                 .name   = "sdhi0",
96                 .start  = 0xffe4c000,
97                 .end    = 0xffe4c0ff,
98                 .flags  = IORESOURCE_MEM,
99         },
100         [1] = {
101                 .start  = gic_iid(0x88),
102                 .flags  = IORESOURCE_IRQ,
103         },
104 };
105
106 static struct sh_mobile_sdhi_info sdhi0_platform_data = {
107         .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
108         .tmio_caps = MMC_CAP_SD_HIGHSPEED,
109 };
110
111 static struct platform_device sdhi0_device = {
112         .name = "sh_mobile_sdhi",
113         .num_resources = ARRAY_SIZE(sdhi0_resources),
114         .resource = sdhi0_resources,
115         .id = 0,
116         .dev = {
117                 .platform_data = &sdhi0_platform_data,
118         }
119 };
120
121 /* Thermal */
122 static struct resource thermal_resources[] = {
123         [0] = {
124                 .start          = 0xFFC48000,
125                 .end            = 0xFFC48038 - 1,
126                 .flags          = IORESOURCE_MEM,
127         },
128 };
129
130 static struct platform_device thermal_device = {
131         .name           = "rcar_thermal",
132         .resource       = thermal_resources,
133         .num_resources  = ARRAY_SIZE(thermal_resources),
134 };
135
136 /* HSPI */
137 static struct resource hspi_resources[] = {
138         [0] = {
139                 .start          = 0xFFFC7000,
140                 .end            = 0xFFFC7018 - 1,
141                 .flags          = IORESOURCE_MEM,
142         },
143 };
144
145 static struct platform_device hspi_device = {
146         .name   = "sh-hspi",
147         .id     = 0,
148         .resource       = hspi_resources,
149         .num_resources  = ARRAY_SIZE(hspi_resources),
150 };
151
152 /* USB PHY */
153 static struct resource usb_phy_resources[] = {
154         [0] = {
155                 .start          = 0xffe70000,
156                 .end            = 0xffe70900 - 1,
157                 .flags          = IORESOURCE_MEM,
158         },
159         [1] = {
160                 .start          = 0xfff70000,
161                 .end            = 0xfff70900 - 1,
162                 .flags          = IORESOURCE_MEM,
163         },
164 };
165
166 static struct platform_device usb_phy_device = {
167         .name           = "rcar_usb_phy",
168         .resource       = usb_phy_resources,
169         .num_resources  = ARRAY_SIZE(usb_phy_resources),
170 };
171
172 /* LEDS */
173 static struct gpio_led marzen_leds[] = {
174         {
175                 .name           = "led2",
176                 .gpio           = 157,
177                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
178         }, {
179                 .name           = "led3",
180                 .gpio           = 158,
181                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
182         }, {
183                 .name           = "led4",
184                 .gpio           = 159,
185                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
186         },
187 };
188
189 static struct gpio_led_platform_data marzen_leds_pdata = {
190         .leds           = marzen_leds,
191         .num_leds       = ARRAY_SIZE(marzen_leds),
192 };
193
194 static struct platform_device leds_device = {
195         .name   = "leds-gpio",
196         .id     = 0,
197         .dev    = {
198                 .platform_data  = &marzen_leds_pdata,
199         },
200 };
201
202 static struct platform_device *marzen_devices[] __initdata = {
203         &eth_device,
204         &sdhi0_device,
205         &thermal_device,
206         &hspi_device,
207         &usb_phy_device,
208         &leds_device,
209 };
210
211 /* USB */
212 static struct usb_phy *phy;
213 static int usb_power_on(struct platform_device *pdev)
214 {
215         if (IS_ERR(phy))
216                 return PTR_ERR(phy);
217
218         pm_runtime_enable(&pdev->dev);
219         pm_runtime_get_sync(&pdev->dev);
220
221         usb_phy_init(phy);
222
223         return 0;
224 }
225
226 static void usb_power_off(struct platform_device *pdev)
227 {
228         if (IS_ERR(phy))
229                 return;
230
231         usb_phy_shutdown(phy);
232
233         pm_runtime_put_sync(&pdev->dev);
234         pm_runtime_disable(&pdev->dev);
235 }
236
237 static struct usb_ehci_pdata ehcix_pdata = {
238         .power_on       = usb_power_on,
239         .power_off      = usb_power_off,
240         .power_suspend  = usb_power_off,
241 };
242
243 static struct resource ehci0_resources[] = {
244         [0] = {
245                 .start  = 0xffe70000,
246                 .end    = 0xffe70400 - 1,
247                 .flags  = IORESOURCE_MEM,
248         },
249         [1] = {
250                 .start  = gic_iid(0x4c),
251                 .flags  = IORESOURCE_IRQ,
252         },
253 };
254
255 static struct platform_device ehci0_device = {
256         .name   = "ehci-platform",
257         .id     = 0,
258         .dev    = {
259                 .dma_mask               = &ehci0_device.dev.coherent_dma_mask,
260                 .coherent_dma_mask      = 0xffffffff,
261                 .platform_data          = &ehcix_pdata,
262         },
263         .num_resources  = ARRAY_SIZE(ehci0_resources),
264         .resource       = ehci0_resources,
265 };
266
267 static struct resource ehci1_resources[] = {
268         [0] = {
269                 .start  = 0xfff70000,
270                 .end    = 0xfff70400 - 1,
271                 .flags  = IORESOURCE_MEM,
272         },
273         [1] = {
274                 .start  = gic_iid(0x4d),
275                 .flags  = IORESOURCE_IRQ,
276         },
277 };
278
279 static struct platform_device ehci1_device = {
280         .name   = "ehci-platform",
281         .id     = 1,
282         .dev    = {
283                 .dma_mask               = &ehci1_device.dev.coherent_dma_mask,
284                 .coherent_dma_mask      = 0xffffffff,
285                 .platform_data          = &ehcix_pdata,
286         },
287         .num_resources  = ARRAY_SIZE(ehci1_resources),
288         .resource       = ehci1_resources,
289 };
290
291 static struct usb_ohci_pdata ohcix_pdata = {
292         .power_on       = usb_power_on,
293         .power_off      = usb_power_off,
294         .power_suspend  = usb_power_off,
295 };
296
297 static struct resource ohci0_resources[] = {
298         [0] = {
299                 .start  = 0xffe70400,
300                 .end    = 0xffe70800 - 1,
301                 .flags  = IORESOURCE_MEM,
302         },
303         [1] = {
304                 .start  = gic_iid(0x4c),
305                 .flags  = IORESOURCE_IRQ,
306         },
307 };
308
309 static struct platform_device ohci0_device = {
310         .name   = "ohci-platform",
311         .id     = 0,
312         .dev    = {
313                 .dma_mask               = &ohci0_device.dev.coherent_dma_mask,
314                 .coherent_dma_mask      = 0xffffffff,
315                 .platform_data          = &ohcix_pdata,
316         },
317         .num_resources  = ARRAY_SIZE(ohci0_resources),
318         .resource       = ohci0_resources,
319 };
320
321 static struct resource ohci1_resources[] = {
322         [0] = {
323                 .start  = 0xfff70400,
324                 .end    = 0xfff70800 - 1,
325                 .flags  = IORESOURCE_MEM,
326         },
327         [1] = {
328                 .start  = gic_iid(0x4d),
329                 .flags  = IORESOURCE_IRQ,
330         },
331 };
332
333 static struct platform_device ohci1_device = {
334         .name   = "ohci-platform",
335         .id     = 1,
336         .dev    = {
337                 .dma_mask               = &ohci1_device.dev.coherent_dma_mask,
338                 .coherent_dma_mask      = 0xffffffff,
339                 .platform_data          = &ohcix_pdata,
340         },
341         .num_resources  = ARRAY_SIZE(ohci1_resources),
342         .resource       = ohci1_resources,
343 };
344
345 static struct platform_device *marzen_late_devices[] __initdata = {
346         &ehci0_device,
347         &ehci1_device,
348         &ohci0_device,
349         &ohci1_device,
350 };
351
352 void __init marzen_init_late(void)
353 {
354         /* get usb phy */
355         phy = usb_get_phy(USB_PHY_TYPE_USB2);
356
357         shmobile_init_late();
358         platform_add_devices(marzen_late_devices,
359                              ARRAY_SIZE(marzen_late_devices));
360 }
361
362 static const struct pinctrl_map marzen_pinctrl_map[] = {
363         /* HSPI0 */
364         PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
365                                   "hspi0", "hspi0"),
366         /* SCIF2 (CN18: DEBUG0) */
367         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
368                                   "scif2_data_c", "scif2"),
369         /* SCIF4 (CN19: DEBUG1) */
370         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
371                                   "scif4_data", "scif4"),
372         /* SDHI0 */
373         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
374                                   "sdhi0_data4", "sdhi0"),
375         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
376                                   "sdhi0_ctrl", "sdhi0"),
377         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
378                                   "sdhi0_cd", "sdhi0"),
379         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
380                                   "sdhi0_wp", "sdhi0"),
381         /* SMSC */
382         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
383                                   "intc_irq1_b", "intc"),
384         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
385                                   "lbsc_ex_cs0", "lbsc"),
386         /* USB0 */
387         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
388                                   "usb0", "usb0"),
389         /* USB1 */
390         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
391                                   "usb1", "usb1"),
392         /* USB2 */
393         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.1", "pfc-r8a7779",
394                                   "usb2", "usb2"),
395 };
396
397 static void __init marzen_init(void)
398 {
399         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
400                                 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
401         regulator_register_fixed(1, dummy_supplies,
402                                 ARRAY_SIZE(dummy_supplies));
403
404         pinctrl_register_mappings(marzen_pinctrl_map,
405                                   ARRAY_SIZE(marzen_pinctrl_map));
406         r8a7779_pinmux_init();
407
408         r8a7779_add_standard_devices();
409         platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
410 }
411
412 MACHINE_START(MARZEN, "marzen")
413         .smp            = smp_ops(r8a7779_smp_ops),
414         .map_io         = r8a7779_map_io,
415         .init_early     = r8a7779_add_early_devices,
416         .nr_irqs        = NR_IRQS_LEGACY,
417         .init_irq       = r8a7779_init_irq,
418         .init_machine   = marzen_init,
419         .init_late      = marzen_init_late,
420         .init_time      = r8a7779_earlytimer_init,
421 MACHINE_END