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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 
marzen_add_du_device(void)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 
marzen_init(void)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
410