percpu: Replace smp_read_barrier_depends() with lockless_dereference()
[sfrench/cifs-2.6.git] / arch / arm / mach-shmobile / board-marzen.c
1 /*
2  * marzen board support
3  *
4  * Copyright (C) 2011, 2013  Renesas Solutions Corp.
5  * Copyright (C) 2011  Magnus Damm
6  * Copyright (C) 2013  Cogent Embedded, Inc.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; version 2 of the License.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
20  */
21
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/irq.h>
26 #include <linux/platform_device.h>
27 #include <linux/delay.h>
28 #include <linux/io.h>
29 #include <linux/leds.h>
30 #include <linux/dma-mapping.h>
31 #include <linux/pinctrl/machine.h>
32 #include <linux/platform_data/camera-rcar.h>
33 #include <linux/platform_data/gpio-rcar.h>
34 #include <linux/platform_data/rcar-du.h>
35 #include <linux/platform_data/usb-rcar-phy.h>
36 #include <linux/regulator/fixed.h>
37 #include <linux/regulator/machine.h>
38 #include <linux/smsc911x.h>
39 #include <linux/spi/spi.h>
40 #include <linux/spi/sh_hspi.h>
41 #include <linux/mmc/host.h>
42 #include <linux/mmc/sh_mobile_sdhi.h>
43 #include <linux/mfd/tmio.h>
44
45 #include <media/soc_camera.h>
46 #include <asm/mach-types.h>
47 #include <asm/mach/arch.h>
48 #include <asm/traps.h>
49
50 #include "common.h"
51 #include "irqs.h"
52 #include "r8a7779.h"
53
54 /* Fixed 3.3V regulator to be used by SDHI0 */
55 static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
56         REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
57         REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
58 };
59
60 /* Dummy supplies, where voltage doesn't matter */
61 static struct regulator_consumer_supply dummy_supplies[] = {
62         REGULATOR_SUPPLY("vddvario", "smsc911x"),
63         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
64 };
65
66 /* USB PHY */
67 static struct resource usb_phy_resources[] = {
68         [0] = {
69                 .start          = 0xffe70800,
70                 .end            = 0xffe70900 - 1,
71                 .flags          = IORESOURCE_MEM,
72         },
73 };
74
75 static struct rcar_phy_platform_data usb_phy_platform_data;
76
77 static struct platform_device usb_phy = {
78         .name           = "rcar_usb_phy",
79         .id             = -1,
80         .dev  = {
81                 .platform_data = &usb_phy_platform_data,
82         },
83         .resource       = usb_phy_resources,
84         .num_resources  = ARRAY_SIZE(usb_phy_resources),
85 };
86
87 /* SMSC LAN89218 */
88 static struct resource smsc911x_resources[] = {
89         [0] = {
90                 .start          = 0x18000000, /* ExCS0 */
91                 .end            = 0x180000ff, /* A1->A7 */
92                 .flags          = IORESOURCE_MEM,
93         },
94         [1] = {
95                 .start          = irq_pin(1), /* IRQ 1 */
96                 .flags          = IORESOURCE_IRQ,
97         },
98 };
99
100 static struct smsc911x_platform_config smsc911x_platdata = {
101         .flags          = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
102         .phy_interface  = PHY_INTERFACE_MODE_MII,
103         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
104         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
105 };
106
107 static struct platform_device eth_device = {
108         .name           = "smsc911x",
109         .id             = -1,
110         .dev  = {
111                 .platform_data = &smsc911x_platdata,
112         },
113         .resource       = smsc911x_resources,
114         .num_resources  = ARRAY_SIZE(smsc911x_resources),
115 };
116
117 static struct resource sdhi0_resources[] = {
118         [0] = {
119                 .name   = "sdhi0",
120                 .start  = 0xffe4c000,
121                 .end    = 0xffe4c0ff,
122                 .flags  = IORESOURCE_MEM,
123         },
124         [1] = {
125                 .start  = gic_iid(0x88),
126                 .flags  = IORESOURCE_IRQ,
127         },
128 };
129
130 static struct sh_mobile_sdhi_info sdhi0_platform_data = {
131         .dma_slave_tx = HPBDMA_SLAVE_SDHI0_TX,
132         .dma_slave_rx = HPBDMA_SLAVE_SDHI0_RX,
133         .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
134         .tmio_caps = MMC_CAP_SD_HIGHSPEED,
135 };
136
137 static struct platform_device sdhi0_device = {
138         .name = "sh_mobile_sdhi",
139         .num_resources = ARRAY_SIZE(sdhi0_resources),
140         .resource = sdhi0_resources,
141         .id = 0,
142         .dev = {
143                 .platform_data = &sdhi0_platform_data,
144         }
145 };
146
147 /* Thermal */
148 static struct resource thermal_resources[] = {
149         [0] = {
150                 .start          = 0xFFC48000,
151                 .end            = 0xFFC48038 - 1,
152                 .flags          = IORESOURCE_MEM,
153         },
154 };
155
156 static struct platform_device thermal_device = {
157         .name           = "rcar_thermal",
158         .resource       = thermal_resources,
159         .num_resources  = ARRAY_SIZE(thermal_resources),
160 };
161
162 /* HSPI */
163 static struct resource hspi_resources[] = {
164         [0] = {
165                 .start          = 0xFFFC7000,
166                 .end            = 0xFFFC7018 - 1,
167                 .flags          = IORESOURCE_MEM,
168         },
169 };
170
171 static struct platform_device hspi_device = {
172         .name   = "sh-hspi",
173         .id     = 0,
174         .resource       = hspi_resources,
175         .num_resources  = ARRAY_SIZE(hspi_resources),
176 };
177
178 /*
179  * DU
180  *
181  * The panel only specifies the [hv]display and [hv]total values. The position
182  * and width of the sync pulses don't matter, they're copied from VESA timings.
183  */
184 static struct rcar_du_encoder_data du_encoders[] = {
185         {
186                 .type = RCAR_DU_ENCODER_VGA,
187                 .output = RCAR_DU_OUTPUT_DPAD0,
188         }, {
189                 .type = RCAR_DU_ENCODER_LVDS,
190                 .output = RCAR_DU_OUTPUT_DPAD1,
191                 .connector.lvds.panel = {
192                         .width_mm = 210,
193                         .height_mm = 158,
194                         .mode = {
195                                 .pixelclock = 65000000,
196                                 .hactive = 1024,
197                                 .hfront_porch = 20,
198                                 .hback_porch = 160,
199                                 .hsync_len = 136,
200                                 .vactive = 768,
201                                 .vfront_porch = 3,
202                                 .vback_porch = 29,
203                                 .vsync_len = 6,
204                         },
205                 },
206         },
207 };
208
209 static const struct rcar_du_platform_data du_pdata __initconst = {
210         .encoders = du_encoders,
211         .num_encoders = ARRAY_SIZE(du_encoders),
212 };
213
214 static const struct resource du_resources[] __initconst = {
215         DEFINE_RES_MEM(0xfff80000, 0x40000),
216         DEFINE_RES_IRQ(gic_iid(0x3f)),
217 };
218
219 static void __init marzen_add_du_device(void)
220 {
221         struct platform_device_info info = {
222                 .name = "rcar-du-r8a7779",
223                 .id = -1,
224                 .res = du_resources,
225                 .num_res = ARRAY_SIZE(du_resources),
226                 .data = &du_pdata,
227                 .size_data = sizeof(du_pdata),
228                 .dma_mask = DMA_BIT_MASK(32),
229         };
230
231         platform_device_register_full(&info);
232 }
233
234 /* LEDS */
235 static struct gpio_led marzen_leds[] = {
236         {
237                 .name           = "led2",
238                 .gpio           = RCAR_GP_PIN(4, 29),
239                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
240         }, {
241                 .name           = "led3",
242                 .gpio           = RCAR_GP_PIN(4, 30),
243                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
244         }, {
245                 .name           = "led4",
246                 .gpio           = RCAR_GP_PIN(4, 31),
247                 .default_state  = LEDS_GPIO_DEFSTATE_ON,
248         },
249 };
250
251 static struct gpio_led_platform_data marzen_leds_pdata = {
252         .leds           = marzen_leds,
253         .num_leds       = ARRAY_SIZE(marzen_leds),
254 };
255
256 static struct platform_device leds_device = {
257         .name   = "leds-gpio",
258         .id     = 0,
259         .dev    = {
260                 .platform_data  = &marzen_leds_pdata,
261         },
262 };
263
264 /* VIN */
265 static struct rcar_vin_platform_data vin_platform_data __initdata = {
266         .flags  = RCAR_VIN_BT656,
267 };
268
269 #define MARZEN_VIN(idx)                                         \
270 static struct resource vin##idx##_resources[] __initdata = {    \
271         DEFINE_RES_MEM(0xffc50000 + 0x1000 * (idx), 0x1000),    \
272         DEFINE_RES_IRQ(gic_iid(0x5f + (idx))),                  \
273 };                                                              \
274                                                                 \
275 static struct platform_device_info vin##idx##_info __initdata = { \
276         .name           = "r8a7779-vin",                        \
277         .id             = idx,                                  \
278         .res            = vin##idx##_resources,                 \
279         .num_res        = ARRAY_SIZE(vin##idx##_resources),     \
280         .dma_mask       = DMA_BIT_MASK(32),                     \
281         .data           = &vin_platform_data,                   \
282         .size_data      = sizeof(vin_platform_data),            \
283 }
284 MARZEN_VIN(1);
285 MARZEN_VIN(3);
286
287 #define MARZEN_CAMERA(idx)                                      \
288 static struct i2c_board_info camera##idx##_info = {             \
289         I2C_BOARD_INFO("adv7180", 0x20 + (idx)),                \
290 };                                                              \
291                                                                 \
292 static struct soc_camera_link iclink##idx##_adv7180 = {         \
293         .bus_id         = 1 + 2 * (idx),                        \
294         .i2c_adapter_id = 0,                                    \
295         .board_info     = &camera##idx##_info,                  \
296 };                                                              \
297                                                                 \
298 static struct platform_device camera##idx##_device = {          \
299         .name   = "soc-camera-pdrv",                            \
300         .id     = idx,                                          \
301         .dev    = {                                             \
302                 .platform_data  = &iclink##idx##_adv7180,       \
303         },                                                      \
304 };
305
306 MARZEN_CAMERA(0);
307 MARZEN_CAMERA(1);
308
309 static struct platform_device *marzen_devices[] __initdata = {
310         &eth_device,
311         &sdhi0_device,
312         &thermal_device,
313         &hspi_device,
314         &leds_device,
315         &usb_phy,
316         &camera0_device,
317         &camera1_device,
318 };
319
320 static const struct pinctrl_map marzen_pinctrl_map[] = {
321         /* DU (CN10: ARGB0, CN13: LVDS) */
322         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
323                                   "du0_rgb888", "du0"),
324         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
325                                   "du0_sync_1", "du0"),
326         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
327                                   "du0_clk_out_0", "du0"),
328         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
329                                   "du1_rgb666", "du1"),
330         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
331                                   "du1_sync_1", "du1"),
332         PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
333                                   "du1_clk_out", "du1"),
334         /* HSPI0 */
335         PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
336                                   "hspi0", "hspi0"),
337         /* SCIF2 (CN18: DEBUG0) */
338         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
339                                   "scif2_data_c", "scif2"),
340         /* SCIF4 (CN19: DEBUG1) */
341         PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
342                                   "scif4_data", "scif4"),
343         /* SDHI0 */
344         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
345                                   "sdhi0_data4", "sdhi0"),
346         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
347                                   "sdhi0_ctrl", "sdhi0"),
348         PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
349                                   "sdhi0_cd", "sdhi0"),
350         /* SMSC */
351         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
352                                   "intc_irq1_b", "intc"),
353         PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
354                                   "lbsc_ex_cs0", "lbsc"),
355         /* USB0 */
356         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
357                                   "usb0", "usb0"),
358         /* USB1 */
359         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
360                                   "usb1", "usb1"),
361         /* USB2 */
362         PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.1", "pfc-r8a7779",
363                                   "usb2", "usb2"),
364         /* VIN1 */
365         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
366                                   "vin1_clk", "vin1"),
367         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
368                                   "vin1_data8", "vin1"),
369         /* VIN3 */
370         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
371                                   "vin3_clk", "vin3"),
372         PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
373                                   "vin3_data8", "vin3"),
374 };
375
376 static void __init marzen_init(void)
377 {
378         regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
379                                 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
380         regulator_register_fixed(1, dummy_supplies,
381                                 ARRAY_SIZE(dummy_supplies));
382
383         pinctrl_register_mappings(marzen_pinctrl_map,
384                                   ARRAY_SIZE(marzen_pinctrl_map));
385         r8a7779_pinmux_init();
386         r8a7779_init_irq_extpin(1); /* IRQ1 as individual interrupt */
387
388         r8a7779_add_standard_devices();
389         platform_device_register_full(&vin1_info);
390         platform_device_register_full(&vin3_info);
391         platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
392         marzen_add_du_device();
393 }
394
395 static const char *marzen_boards_compat_dt[] __initdata = {
396         "renesas,marzen",
397         NULL,
398 };
399
400 DT_MACHINE_START(MARZEN, "marzen")
401         .smp            = smp_ops(r8a7779_smp_ops),
402         .map_io         = r8a7779_map_io,
403         .init_early     = r8a7779_add_early_devices,
404         .init_irq       = r8a7779_init_irq_dt,
405         .init_machine   = marzen_init,
406         .init_late      = r8a7779_init_late,
407         .dt_compat      = marzen_boards_compat_dt,
408         .init_time      = r8a7779_earlytimer_init,
409 MACHINE_END