ARM: imx: dynamically allocate mxc-ehci devices
[pandora-kernel.git] / arch / arm / mach-imx / mach-pcm038.c
1 /*
2  * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
3  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
17  * MA 02110-1301, USA.
18  */
19
20 #include <linux/i2c.h>
21 #include <linux/i2c/at24.h>
22 #include <linux/io.h>
23 #include <linux/mtd/plat-ram.h>
24 #include <linux/mtd/physmap.h>
25 #include <linux/platform_device.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/mfd/mc13783.h>
28 #include <linux/spi/spi.h>
29 #include <linux/irq.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/time.h>
34
35 #include <mach/board-pcm038.h>
36 #include <mach/common.h>
37 #include <mach/hardware.h>
38 #include <mach/iomux-mx27.h>
39 #include <mach/mxc_nand.h>
40 #include <mach/ulpi.h>
41
42 #include "devices-imx27.h"
43 #include "devices.h"
44
45 static const int pcm038_pins[] __initconst = {
46         /* UART1 */
47         PE12_PF_UART1_TXD,
48         PE13_PF_UART1_RXD,
49         PE14_PF_UART1_CTS,
50         PE15_PF_UART1_RTS,
51         /* UART2 */
52         PE3_PF_UART2_CTS,
53         PE4_PF_UART2_RTS,
54         PE6_PF_UART2_TXD,
55         PE7_PF_UART2_RXD,
56         /* UART3 */
57         PE8_PF_UART3_TXD,
58         PE9_PF_UART3_RXD,
59         PE10_PF_UART3_CTS,
60         PE11_PF_UART3_RTS,
61         /* FEC */
62         PD0_AIN_FEC_TXD0,
63         PD1_AIN_FEC_TXD1,
64         PD2_AIN_FEC_TXD2,
65         PD3_AIN_FEC_TXD3,
66         PD4_AOUT_FEC_RX_ER,
67         PD5_AOUT_FEC_RXD1,
68         PD6_AOUT_FEC_RXD2,
69         PD7_AOUT_FEC_RXD3,
70         PD8_AF_FEC_MDIO,
71         PD9_AIN_FEC_MDC,
72         PD10_AOUT_FEC_CRS,
73         PD11_AOUT_FEC_TX_CLK,
74         PD12_AOUT_FEC_RXD0,
75         PD13_AOUT_FEC_RX_DV,
76         PD14_AOUT_FEC_RX_CLK,
77         PD15_AOUT_FEC_COL,
78         PD16_AIN_FEC_TX_ER,
79         PF23_AIN_FEC_TX_EN,
80         /* I2C2 */
81         PC5_PF_I2C2_SDA,
82         PC6_PF_I2C2_SCL,
83         /* SPI1 */
84         PD25_PF_CSPI1_RDY,
85         PD29_PF_CSPI1_SCLK,
86         PD30_PF_CSPI1_MISO,
87         PD31_PF_CSPI1_MOSI,
88         /* SSI1 */
89         PC20_PF_SSI1_FS,
90         PC21_PF_SSI1_RXD,
91         PC22_PF_SSI1_TXD,
92         PC23_PF_SSI1_CLK,
93         /* SSI4 */
94         PC16_PF_SSI4_FS,
95         PC17_PF_SSI4_RXD,
96         PC18_PF_SSI4_TXD,
97         PC19_PF_SSI4_CLK,
98         /* USB host */
99         PA0_PF_USBH2_CLK,
100         PA1_PF_USBH2_DIR,
101         PA2_PF_USBH2_DATA7,
102         PA3_PF_USBH2_NXT,
103         PA4_PF_USBH2_STP,
104         PD19_AF_USBH2_DATA4,
105         PD20_AF_USBH2_DATA3,
106         PD21_AF_USBH2_DATA6,
107         PD22_AF_USBH2_DATA0,
108         PD23_AF_USBH2_DATA2,
109         PD24_AF_USBH2_DATA1,
110         PD26_AF_USBH2_DATA5,
111 };
112
113 /*
114  * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
115  * 16 bit width
116  */
117
118 static struct platdata_mtd_ram pcm038_sram_data = {
119         .bankwidth = 2,
120 };
121
122 static struct resource pcm038_sram_resource = {
123         .start = MX27_CS1_BASE_ADDR,
124         .end   = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
125         .flags = IORESOURCE_MEM,
126 };
127
128 static struct platform_device pcm038_sram_mtd_device = {
129         .name = "mtd-ram",
130         .id = 0,
131         .dev = {
132                 .platform_data = &pcm038_sram_data,
133         },
134         .num_resources = 1,
135         .resource = &pcm038_sram_resource,
136 };
137
138 /*
139  * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
140  * 16 bit width
141  */
142 static struct physmap_flash_data pcm038_flash_data = {
143         .width = 2,
144 };
145
146 static struct resource pcm038_flash_resource = {
147         .start = 0xc0000000,
148         .end   = 0xc1ffffff,
149         .flags = IORESOURCE_MEM,
150 };
151
152 static struct platform_device pcm038_nor_mtd_device = {
153         .name = "physmap-flash",
154         .id = 0,
155         .dev = {
156                 .platform_data = &pcm038_flash_data,
157         },
158         .num_resources = 1,
159         .resource = &pcm038_flash_resource,
160 };
161
162 static const struct imxuart_platform_data uart_pdata __initconst = {
163         .flags = IMXUART_HAVE_RTSCTS,
164 };
165
166 static const struct mxc_nand_platform_data
167 pcm038_nand_board_info __initconst = {
168         .width = 1,
169         .hw_ecc = 1,
170 };
171
172 static struct platform_device *platform_devices[] __initdata = {
173         &pcm038_nor_mtd_device,
174         &pcm038_sram_mtd_device,
175 };
176
177 /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
178  * setup other stuffs to access the sram. */
179 static void __init pcm038_init_sram(void)
180 {
181         mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00);
182 }
183
184 static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = {
185         .bitrate = 100000,
186 };
187
188 static struct at24_platform_data board_eeprom = {
189         .byte_len = 4096,
190         .page_size = 32,
191         .flags = AT24_FLAG_ADDR16,
192 };
193
194 static struct i2c_board_info pcm038_i2c_devices[] = {
195         {
196                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
197                 .platform_data = &board_eeprom,
198         }, {
199                 I2C_BOARD_INFO("pcf8563", 0x51),
200         }, {
201                 I2C_BOARD_INFO("lm75", 0x4a),
202         }
203 };
204
205 static int pcm038_spi_cs[] = {GPIO_PORTD + 28};
206
207 static const struct spi_imx_master pcm038_spi0_data __initconst = {
208         .chipselect = pcm038_spi_cs,
209         .num_chipselect = ARRAY_SIZE(pcm038_spi_cs),
210 };
211
212 static struct regulator_consumer_supply sdhc1_consumers[] = {
213         {
214                 .dev_name = "mxc-mmc.1",
215                 .supply = "sdhc_vcc",
216         },
217 };
218
219 static struct regulator_init_data sdhc1_data = {
220         .constraints = {
221                 .min_uV = 3000000,
222                 .max_uV = 3400000,
223                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
224                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
225                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
226                         REGULATOR_MODE_FAST,
227                 .always_on = 0,
228                 .boot_on = 0,
229         },
230         .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers),
231         .consumer_supplies = sdhc1_consumers,
232 };
233
234 static struct regulator_consumer_supply cam_consumers[] = {
235         {
236                 .dev    = NULL,
237                 .supply = "imx_cam_vcc",
238         },
239 };
240
241 static struct regulator_init_data cam_data = {
242         .constraints = {
243                 .min_uV = 3000000,
244                 .max_uV = 3400000,
245                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
246                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
247                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
248                         REGULATOR_MODE_FAST,
249                 .always_on = 0,
250                 .boot_on = 0,
251         },
252         .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
253         .consumer_supplies = cam_consumers,
254 };
255
256 static struct mc13783_regulator_init_data pcm038_regulators[] = {
257         {
258                 .id = MC13783_REGU_VCAM,
259                 .init_data = &cam_data,
260         }, {
261                 .id = MC13783_REGU_VMMC1,
262                 .init_data = &sdhc1_data,
263         },
264 };
265
266 static struct mc13783_platform_data pcm038_pmic = {
267         .regulators = pcm038_regulators,
268         .num_regulators = ARRAY_SIZE(pcm038_regulators),
269         .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR |
270                  MC13783_USE_TOUCHSCREEN,
271 };
272
273 static struct spi_board_info pcm038_spi_board_info[] __initdata = {
274         {
275                 .modalias = "mc13783",
276                 .irq = IRQ_GPIOB(23),
277                 .max_speed_hz = 300000,
278                 .bus_num = 0,
279                 .chip_select = 0,
280                 .platform_data = &pcm038_pmic,
281                 .mode = SPI_CS_HIGH,
282         }
283 };
284
285 static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
286         .portsc = MXC_EHCI_MODE_ULPI,
287         .flags  = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
288 };
289
290 static void __init pcm038_init(void)
291 {
292         mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
293                         "PCM038");
294
295         pcm038_init_sram();
296
297         imx27_add_imx_uart0(&uart_pdata);
298         imx27_add_imx_uart1(&uart_pdata);
299         imx27_add_imx_uart2(&uart_pdata);
300
301         mxc_gpio_mode(PE16_AF_OWIRE);
302         imx27_add_mxc_nand(&pcm038_nand_board_info);
303
304         /* only the i2c master 1 is used on this CPU card */
305         i2c_register_board_info(1, pcm038_i2c_devices,
306                                 ARRAY_SIZE(pcm038_i2c_devices));
307
308         imx27_add_imx_i2c(1, &pcm038_i2c1_data);
309
310         /* PE18 for user-LED D40 */
311         mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
312
313         mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
314
315         /* MC13783 IRQ */
316         mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN);
317
318         imx27_add_spi_imx0(&pcm038_spi0_data);
319         spi_register_board_info(pcm038_spi_board_info,
320                                 ARRAY_SIZE(pcm038_spi_board_info));
321
322         imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
323
324         imx27_add_fec(NULL);
325         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
326         imx27_add_imx2_wdt(NULL);
327         imx27_add_mxc_w1(NULL);
328
329 #ifdef CONFIG_MACH_PCM970_BASEBOARD
330         pcm970_baseboard_init();
331 #endif
332 }
333
334 static void __init pcm038_timer_init(void)
335 {
336         mx27_clocks_init(26000000);
337 }
338
339 static struct sys_timer pcm038_timer = {
340         .init = pcm038_timer_init,
341 };
342
343 MACHINE_START(PCM038, "phyCORE-i.MX27")
344         .boot_params    = MX27_PHYS_OFFSET + 0x100,
345         .map_io         = mx27_map_io,
346         .init_irq       = mx27_init_irq,
347         .init_machine   = pcm038_init,
348         .timer          = &pcm038_timer,
349 MACHINE_END