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
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/interrupt.h>
21#include <linux/irq.h>
22#include <linux/platform_device.h>
23#include <linux/delay.h>
24#include <linux/io.h>
25#include <linux/leds.h>
26#include <linux/dma-mapping.h>
27#include <linux/pinctrl/machine.h>
28#include <linux/platform_data/camera-rcar.h>
29#include <linux/platform_data/gpio-rcar.h>
30#include <linux/platform_data/usb-rcar-phy.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
40#include <media/soc_camera.h>
41#include <asm/mach-types.h>
42#include <asm/mach/arch.h>
43#include <asm/traps.h>
44
45#include "common.h"
46#include "irqs.h"
47#include "r8a7779.h"
48
49/* Fixed 3.3V regulator to be used by SDHI0 */
50static struct regulator_consumer_supply fixed3v3_power_consumers[] = {
51	REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
52	REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
53};
54
55/* Dummy supplies, where voltage doesn't matter */
56static struct regulator_consumer_supply dummy_supplies[] = {
57	REGULATOR_SUPPLY("vddvario", "smsc911x"),
58	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
59};
60
61/* USB PHY */
62static struct resource usb_phy_resources[] = {
63	[0] = {
64		.start		= 0xffe70800,
65		.end		= 0xffe70900 - 1,
66		.flags		= IORESOURCE_MEM,
67	},
68};
69
70static struct rcar_phy_platform_data usb_phy_platform_data;
71
72static struct platform_device usb_phy = {
73	.name		= "rcar_usb_phy",
74	.id		= -1,
75	.dev  = {
76		.platform_data = &usb_phy_platform_data,
77	},
78	.resource	= usb_phy_resources,
79	.num_resources	= ARRAY_SIZE(usb_phy_resources),
80};
81
82/* SMSC LAN89218 */
83static struct resource smsc911x_resources[] = {
84	[0] = {
85		.start		= 0x18000000, /* ExCS0 */
86		.end		= 0x180000ff, /* A1->A7 */
87		.flags		= IORESOURCE_MEM,
88	},
89	[1] = {
90		.start		= irq_pin(1), /* IRQ 1 */
91		.flags		= IORESOURCE_IRQ,
92	},
93};
94
95static struct smsc911x_platform_config smsc911x_platdata = {
96	.flags		= SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
97	.phy_interface	= PHY_INTERFACE_MODE_MII,
98	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
99	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
100};
101
102static struct platform_device eth_device = {
103	.name		= "smsc911x",
104	.id		= -1,
105	.dev  = {
106		.platform_data = &smsc911x_platdata,
107	},
108	.resource	= smsc911x_resources,
109	.num_resources	= ARRAY_SIZE(smsc911x_resources),
110};
111
112static struct resource sdhi0_resources[] = {
113	[0] = {
114		.name	= "sdhi0",
115		.start	= 0xffe4c000,
116		.end	= 0xffe4c0ff,
117		.flags	= IORESOURCE_MEM,
118	},
119	[1] = {
120		.start	= gic_iid(0x88),
121		.flags	= IORESOURCE_IRQ,
122	},
123};
124
125static struct tmio_mmc_data sdhi0_platform_data = {
126	.chan_priv_tx = (void *)HPBDMA_SLAVE_SDHI0_TX,
127	.chan_priv_rx = (void *)HPBDMA_SLAVE_SDHI0_RX,
128	.flags        = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
129	.capabilities = MMC_CAP_SD_HIGHSPEED,
130};
131
132static struct platform_device sdhi0_device = {
133	.name = "sh_mobile_sdhi",
134	.num_resources = ARRAY_SIZE(sdhi0_resources),
135	.resource = sdhi0_resources,
136	.id = 0,
137	.dev = {
138		.platform_data = &sdhi0_platform_data,
139	}
140};
141
142/* Thermal */
143static struct resource thermal_resources[] = {
144	[0] = {
145		.start		= 0xFFC48000,
146		.end		= 0xFFC48038 - 1,
147		.flags		= IORESOURCE_MEM,
148	},
149};
150
151static struct platform_device thermal_device = {
152	.name		= "rcar_thermal",
153	.resource	= thermal_resources,
154	.num_resources	= ARRAY_SIZE(thermal_resources),
155};
156
157/* HSPI */
158static struct resource hspi_resources[] = {
159	[0] = {
160		.start		= 0xFFFC7000,
161		.end		= 0xFFFC7018 - 1,
162		.flags		= IORESOURCE_MEM,
163	},
164};
165
166static struct platform_device hspi_device = {
167	.name	= "sh-hspi",
168	.id	= 0,
169	.resource	= hspi_resources,
170	.num_resources	= ARRAY_SIZE(hspi_resources),
171};
172
173/* LEDS */
174static struct gpio_led marzen_leds[] = {
175	{
176		.name		= "led2",
177		.gpio		= RCAR_GP_PIN(4, 29),
178		.default_state	= LEDS_GPIO_DEFSTATE_ON,
179	}, {
180		.name		= "led3",
181		.gpio		= RCAR_GP_PIN(4, 30),
182		.default_state	= LEDS_GPIO_DEFSTATE_ON,
183	}, {
184		.name		= "led4",
185		.gpio		= RCAR_GP_PIN(4, 31),
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
203/* VIN */
204static struct rcar_vin_platform_data vin_platform_data __initdata = {
205	.flags	= RCAR_VIN_BT656,
206};
207
208#define MARZEN_VIN(idx)						\
209static struct resource vin##idx##_resources[] __initdata = {	\
210	DEFINE_RES_MEM(0xffc50000 + 0x1000 * (idx), 0x1000),	\
211	DEFINE_RES_IRQ(gic_iid(0x5f + (idx))),			\
212};								\
213								\
214static struct platform_device_info vin##idx##_info __initdata = { \
215	.name		= "r8a7779-vin",			\
216	.id		= idx,					\
217	.res		= vin##idx##_resources,			\
218	.num_res	= ARRAY_SIZE(vin##idx##_resources),	\
219	.dma_mask	= DMA_BIT_MASK(32),			\
220	.data		= &vin_platform_data,			\
221	.size_data	= sizeof(vin_platform_data),		\
222}
223MARZEN_VIN(1);
224MARZEN_VIN(3);
225
226#define MARZEN_CAMERA(idx)					\
227static struct i2c_board_info camera##idx##_info = {		\
228	I2C_BOARD_INFO("adv7180", 0x20 + (idx)),		\
229};								\
230								\
231static struct soc_camera_link iclink##idx##_adv7180 = {		\
232	.bus_id		= 1 + 2 * (idx),			\
233	.i2c_adapter_id	= 0,					\
234	.board_info	= &camera##idx##_info,			\
235};								\
236								\
237static struct platform_device camera##idx##_device = {		\
238	.name	= "soc-camera-pdrv",				\
239	.id	= idx,						\
240	.dev	= {						\
241		.platform_data	= &iclink##idx##_adv7180,	\
242	},							\
243};
244
245MARZEN_CAMERA(0);
246MARZEN_CAMERA(1);
247
248static struct platform_device *marzen_devices[] __initdata = {
249	&eth_device,
250	&sdhi0_device,
251	&thermal_device,
252	&hspi_device,
253	&leds_device,
254	&usb_phy,
255	&camera0_device,
256	&camera1_device,
257};
258
259static const struct pinctrl_map marzen_pinctrl_map[] = {
260	/* DU (CN10: ARGB0, CN13: LVDS) */
261	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
262				  "du0_rgb888", "du0"),
263	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
264				  "du0_sync_1", "du0"),
265	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
266				  "du0_clk_out_0", "du0"),
267	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
268				  "du1_rgb666", "du1"),
269	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
270				  "du1_sync_1", "du1"),
271	PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7779", "pfc-r8a7779",
272				  "du1_clk_out", "du1"),
273	/* HSPI0 */
274	PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7779",
275				  "hspi0", "hspi0"),
276	/* SCIF2 (CN18: DEBUG0) */
277	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.2", "pfc-r8a7779",
278				  "scif2_data_c", "scif2"),
279	/* SCIF4 (CN19: DEBUG1) */
280	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-r8a7779",
281				  "scif4_data", "scif4"),
282	/* SDHI0 */
283	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
284				  "sdhi0_data4", "sdhi0"),
285	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
286				  "sdhi0_ctrl", "sdhi0"),
287	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7779",
288				  "sdhi0_cd", "sdhi0"),
289	/* SMSC */
290	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
291				  "intc_irq1_b", "intc"),
292	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a7779",
293				  "lbsc_ex_cs0", "lbsc"),
294	/* USB0 */
295	PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
296				  "usb0", "usb0"),
297	/* USB1 */
298	PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.0", "pfc-r8a7779",
299				  "usb1", "usb1"),
300	/* USB2 */
301	PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform.1", "pfc-r8a7779",
302				  "usb2", "usb2"),
303	/* VIN1 */
304	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
305				  "vin1_clk", "vin1"),
306	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.1", "pfc-r8a7779",
307				  "vin1_data8", "vin1"),
308	/* VIN3 */
309	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
310				  "vin3_clk", "vin3"),
311	PIN_MAP_MUX_GROUP_DEFAULT("r8a7779-vin.3", "pfc-r8a7779",
312				  "vin3_data8", "vin3"),
313};
314
315static void __init marzen_init(void)
316{
317	regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
318				ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
319	regulator_register_fixed(1, dummy_supplies,
320				ARRAY_SIZE(dummy_supplies));
321
322	pinctrl_register_mappings(marzen_pinctrl_map,
323				  ARRAY_SIZE(marzen_pinctrl_map));
324	r8a7779_pinmux_init();
325	r8a7779_init_irq_extpin(1); /* IRQ1 as individual interrupt */
326
327	r8a7779_add_standard_devices();
328	platform_device_register_full(&vin1_info);
329	platform_device_register_full(&vin3_info);
330	platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));
331}
332
333static const char *marzen_boards_compat_dt[] __initdata = {
334        "renesas,marzen",
335        NULL,
336};
337
338DT_MACHINE_START(MARZEN, "marzen")
339	.smp		= smp_ops(r8a7779_smp_ops),
340	.map_io		= r8a7779_map_io,
341	.init_early	= r8a7779_add_early_devices,
342	.init_irq	= r8a7779_init_irq_dt,
343	.init_machine	= marzen_init,
344	.init_late	= r8a7779_init_late,
345	.dt_compat	= marzen_boards_compat_dt,
346	.init_time	= r8a7779_earlytimer_init,
347MACHINE_END
348