ARM: shmobile: lager: support GPIO switches
[deliverable/linux.git] / arch / arm / mach-shmobile / board-marzen.c
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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>
48b1e3e8 28#include <linux/leds.h>
f411fade 29#include <linux/dma-mapping.h>
4a655ecd 30#include <linux/pinctrl/machine.h>
5fcf4a3c 31#include <linux/platform_data/gpio-rcar.h>
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32#include <linux/regulator/fixed.h>
33#include <linux/regulator/machine.h>
db5eb994 34#include <linux/smsc911x.h>
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35#include <linux/spi/spi.h>
36#include <linux/spi/sh_hspi.h>
44e9ac45 37#include <linux/mmc/host.h>
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38#include <linux/mmc/sh_mobile_sdhi.h>
39#include <linux/mfd/tmio.h>
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40#include <linux/usb/otg.h>
41#include <linux/usb/ehci_pdriver.h>
ac7c4ea0 42#include <linux/usb/ohci_pdriver.h>
94e1f7fb 43#include <linux/pm_runtime.h>
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44#include <mach/hardware.h>
45#include <mach/r8a7779.h>
46#include <mach/common.h>
250a2723 47#include <mach/irqs.h>
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48#include <asm/mach-types.h>
49#include <asm/mach/arch.h>
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50#include <asm/traps.h>
51
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52/* Fixed 3.3V regulator to be used by SDHI0 */
53static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
54 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
55 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
56};
57
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58/* Dummy supplies, where voltage doesn't matter */
59static struct regulator_consumer_supply dummy_supplies[] = {
60 REGULATOR_SUPPLY("vddvario", "smsc911x"),
61 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
62};
63
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64/* SMSC LAN89218 */
65static struct resource smsc911x_resources[] = {
66 [0] = {
67 .start = 0x18000000, /* ExCS0 */
68 .end = 0x180000ff, /* A1->A7 */
69 .flags = IORESOURCE_MEM,
70 },
71 [1] = {
0b6794ef 72 .start = gic_iid(0x3c), /* IRQ 1 */
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73 .flags = IORESOURCE_IRQ,
74 },
75};
76
77static struct smsc911x_platform_config smsc911x_platdata = {
78 .flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
79 .phy_interface = PHY_INTERFACE_MODE_MII,
80 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
81 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
82};
83
84static struct platform_device eth_device = {
85 .name = "smsc911x",
497dcf6f 86 .id = -1,
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87 .dev = {
88 .platform_data = &smsc911x_platdata,
89 },
90 .resource = smsc911x_resources,
91 .num_resources = ARRAY_SIZE(smsc911x_resources),
92};
93
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94static struct resource sdhi0_resources[] = {
95 [0] = {
96 .name = "sdhi0",
97 .start = 0xffe4c000,
98 .end = 0xffe4c0ff,
99 .flags = IORESOURCE_MEM,
100 },
101 [1] = {
0b6794ef 102 .start = gic_iid(0x88),
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103 .flags = IORESOURCE_IRQ,
104 },
105};
106
107static struct sh_mobile_sdhi_info sdhi0_platform_data = {
108 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
109 .tmio_caps = MMC_CAP_SD_HIGHSPEED,
110};
111
112static struct platform_device sdhi0_device = {
113 .name = "sh_mobile_sdhi",
114 .num_resources = ARRAY_SIZE(sdhi0_resources),
115 .resource = sdhi0_resources,
116 .id = 0,
117 .dev = {
118 .platform_data = &sdhi0_platform_data,
119 }
120};
121
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122/* Thermal */
123static struct resource thermal_resources[] = {
124 [0] = {
125 .start = 0xFFC48000,
126 .end = 0xFFC48038 - 1,
127 .flags = IORESOURCE_MEM,
128 },
129};
130
131static struct platform_device thermal_device = {
132 .name = "rcar_thermal",
133 .resource = thermal_resources,
134 .num_resources = ARRAY_SIZE(thermal_resources),
135};
136
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137/* HSPI */
138static struct resource hspi_resources[] = {
139 [0] = {
140 .start = 0xFFFC7000,
141 .end = 0xFFFC7018 - 1,
142 .flags = IORESOURCE_MEM,
143 },
144};
145
146static struct platform_device hspi_device = {
147 .name = "sh-hspi",
148 .id = 0,
149 .resource = hspi_resources,
150 .num_resources = ARRAY_SIZE(hspi_resources),
151};
152
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153/* USB PHY */
154static struct resource usb_phy_resources[] = {
155 [0] = {
156 .start = 0xffe70000,
157 .end = 0xffe70900 - 1,
158 .flags = IORESOURCE_MEM,
159 },
160 [1] = {
161 .start = 0xfff70000,
162 .end = 0xfff70900 - 1,
163 .flags = IORESOURCE_MEM,
164 },
165};
166
167static struct platform_device usb_phy_device = {
168 .name = "rcar_usb_phy",
169 .resource = usb_phy_resources,
170 .num_resources = ARRAY_SIZE(usb_phy_resources),
171};
172
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173/* LEDS */
174static struct gpio_led marzen_leds[] = {
175 {
176 .name = "led2",
5fcf4a3c 177 .gpio = RCAR_GP_PIN(4, 29),
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178 .default_state = LEDS_GPIO_DEFSTATE_ON,
179 }, {
180 .name = "led3",
5fcf4a3c 181 .gpio = RCAR_GP_PIN(4, 30),
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182 .default_state = LEDS_GPIO_DEFSTATE_ON,
183 }, {
184 .name = "led4",
5fcf4a3c 185 .gpio = RCAR_GP_PIN(4, 31),
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186 .default_state = LEDS_GPIO_DEFSTATE_ON,
187 },
188};
189
190static struct gpio_led_platform_data marzen_leds_pdata = {
191 .leds = marzen_leds,
192 .num_leds = ARRAY_SIZE(marzen_leds),
193};
194
195static struct platform_device leds_device = {
196 .name = "leds-gpio",
197 .id = 0,
198 .dev = {
199 .platform_data = &marzen_leds_pdata,
200 },
201};
202
f411fade 203static struct platform_device *marzen_devices[] __initdata = {
db5eb994 204 &eth_device,
894cda18 205 &sdhi0_device,
eb8ca943 206 &thermal_device,
b82573e1 207 &hspi_device,
b5ce635d 208 &usb_phy_device,
48b1e3e8 209 &leds_device,
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210};
211
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212/* USB */
213static struct usb_phy *phy;
214static int usb_power_on(struct platform_device *pdev)
215{
216 if (!phy)
217 return -EIO;
218
219 pm_runtime_enable(&pdev->dev);
220 pm_runtime_get_sync(&pdev->dev);
221
222 usb_phy_init(phy);
223
224 return 0;
225}
226
227static void usb_power_off(struct platform_device *pdev)
228{
229 if (!phy)
230 return;
231
232 usb_phy_shutdown(phy);
233
234 pm_runtime_put_sync(&pdev->dev);
235 pm_runtime_disable(&pdev->dev);
236}
237
238static struct usb_ehci_pdata ehcix_pdata = {
239 .power_on = usb_power_on,
240 .power_off = usb_power_off,
241 .power_suspend = usb_power_off,
242};
243
244static struct resource ehci0_resources[] = {
245 [0] = {
246 .start = 0xffe70000,
247 .end = 0xffe70400 - 1,
248 .flags = IORESOURCE_MEM,
249 },
250 [1] = {
0b6794ef 251 .start = gic_iid(0x4c),
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252 .flags = IORESOURCE_IRQ,
253 },
254};
255
256static struct platform_device ehci0_device = {
257 .name = "ehci-platform",
258 .id = 0,
259 .dev = {
260 .dma_mask = &ehci0_device.dev.coherent_dma_mask,
261 .coherent_dma_mask = 0xffffffff,
262 .platform_data = &ehcix_pdata,
263 },
264 .num_resources = ARRAY_SIZE(ehci0_resources),
265 .resource = ehci0_resources,
266};
267
268static struct resource ehci1_resources[] = {
269 [0] = {
270 .start = 0xfff70000,
271 .end = 0xfff70400 - 1,
272 .flags = IORESOURCE_MEM,
273 },
274 [1] = {
0b6794ef 275 .start = gic_iid(0x4d),
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276 .flags = IORESOURCE_IRQ,
277 },
278};
279
280static struct platform_device ehci1_device = {
281 .name = "ehci-platform",
282 .id = 1,
283 .dev = {
284 .dma_mask = &ehci1_device.dev.coherent_dma_mask,
285 .coherent_dma_mask = 0xffffffff,
286 .platform_data = &ehcix_pdata,
287 },
288 .num_resources = ARRAY_SIZE(ehci1_resources),
289 .resource = ehci1_resources,
290};
291
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292static struct usb_ohci_pdata ohcix_pdata = {
293 .power_on = usb_power_on,
294 .power_off = usb_power_off,
295 .power_suspend = usb_power_off,
296};
297
298static struct resource ohci0_resources[] = {
299 [0] = {
300 .start = 0xffe70400,
301 .end = 0xffe70800 - 1,
302 .flags = IORESOURCE_MEM,
303 },
304 [1] = {
0b6794ef 305 .start = gic_iid(0x4c),
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306 .flags = IORESOURCE_IRQ,
307 },
308};
309
310static struct platform_device ohci0_device = {
311 .name = "ohci-platform",
312 .id = 0,
313 .dev = {
314 .dma_mask = &ohci0_device.dev.coherent_dma_mask,
315 .coherent_dma_mask = 0xffffffff,
316 .platform_data = &ohcix_pdata,
317 },
318 .num_resources = ARRAY_SIZE(ohci0_resources),
319 .resource = ohci0_resources,
320};
321
322static struct resource ohci1_resources[] = {
323 [0] = {
324 .start = 0xfff70400,
325 .end = 0xfff70800 - 1,
326 .flags = IORESOURCE_MEM,
327 },
328 [1] = {
0b6794ef 329 .start = gic_iid(0x4d),
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330 .flags = IORESOURCE_IRQ,
331 },
332};
333
334static struct platform_device ohci1_device = {
335 .name = "ohci-platform",
336 .id = 1,
337 .dev = {
338 .dma_mask = &ohci1_device.dev.coherent_dma_mask,
339 .coherent_dma_mask = 0xffffffff,
340 .platform_data = &ohcix_pdata,
341 },
342 .num_resources = ARRAY_SIZE(ohci1_resources),
343 .resource = ohci1_resources,
344};
345
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346static struct platform_device *marzen_late_devices[] __initdata = {
347 &ehci0_device,
348 &ehci1_device,
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349 &ohci0_device,
350 &ohci1_device,
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351};
352
353void __init marzen_init_late(void)
354{
355 /* get usb phy */
356 phy = usb_get_phy(USB_PHY_TYPE_USB2);
357
358 shmobile_init_late();
359 platform_add_devices(marzen_late_devices,
360 ARRAY_SIZE(marzen_late_devices));
361}
362
4a655ecd 363static const struct pinctrl_map marzen_pinctrl_map[] = {
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364 /* HSPI0 */
365 PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
366 "hspi0", "hspi0"),
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367 /* SCIF2 (CN18: DEBUG0) */
368 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
369 "scif2_data_c", "scif2"),
370 /* SCIF4 (CN19: DEBUG1) */
371 PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
372 "scif4_data", "scif4"),
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373 /* SDHI0 */
374 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
375 "sdhi0_data4", "sdhi0"),
376 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
377 "sdhi0_ctrl", "sdhi0"),
378 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
379 "sdhi0_cd", "sdhi0"),
380 PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
381 "sdhi0_wp", "sdhi0"),
f423df8e 382 /* SMSC */
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383 PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
384 "intc_irq1_b", "intc"),
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385 PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
386 "lbsc_ex_cs0", "lbsc"),
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387 /* USB0 */
388 PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
389 "usb0", "usb0"),
390 /* USB1 */
391 PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
392 "usb1", "usb1"),
393 /* USB2 */
394 PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.1", "pfc-r8a7779",
395 "usb2", "usb2"),
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396};
397
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398static void __init marzen_init(void)
399{
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400 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
401 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
90b85afc 402 regulator_register_fixed(1, dummy_supplies,
894cda18 403 ARRAY_SIZE(dummy_supplies));
b354e227 404
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405 pinctrl_register_mappings(marzen_pinctrl_map,
406 ARRAY_SIZE(marzen_pinctrl_map));
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407 r8a7779_pinmux_init();
408
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409 r8a7779_add_standard_devices();
410 platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
411}
412
f411fade 413MACHINE_START(MARZEN, "marzen")
a62580e5 414 .smp = smp_ops(r8a7779_smp_ops),
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415 .map_io = r8a7779_map_io,
416 .init_early = r8a7779_add_early_devices,
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417 .nr_irqs = NR_IRQS_LEGACY,
418 .init_irq = r8a7779_init_irq,
f411fade 419 .init_machine = marzen_init,
94e1f7fb 420 .init_late = marzen_init_late,
6bb27d73 421 .init_time = r8a7779_earlytimer_init,
f411fade 422MACHINE_END
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