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diff --git a/arch/arm/mach-mx2/mach-pcm038.c b/arch/arm/mach-mx2/mach-pcm038.c
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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/i2c.h>
39#include <mach/iomux-mx27.h>
40#include <mach/imx-uart.h>
41#include <mach/mxc_nand.h>
42#include <mach/spi.h>
43#include <mach/mxc_ehci.h>
44#include <mach/ulpi.h>
45
46#include "devices.h"
47
48static int pcm038_pins[] = {
49 /* UART1 */
50 PE12_PF_UART1_TXD,
51 PE13_PF_UART1_RXD,
52 PE14_PF_UART1_CTS,
53 PE15_PF_UART1_RTS,
54 /* UART2 */
55 PE3_PF_UART2_CTS,
56 PE4_PF_UART2_RTS,
57 PE6_PF_UART2_TXD,
58 PE7_PF_UART2_RXD,
59 /* UART3 */
60 PE8_PF_UART3_TXD,
61 PE9_PF_UART3_RXD,
62 PE10_PF_UART3_CTS,
63 PE11_PF_UART3_RTS,
64 /* FEC */
65 PD0_AIN_FEC_TXD0,
66 PD1_AIN_FEC_TXD1,
67 PD2_AIN_FEC_TXD2,
68 PD3_AIN_FEC_TXD3,
69 PD4_AOUT_FEC_RX_ER,
70 PD5_AOUT_FEC_RXD1,
71 PD6_AOUT_FEC_RXD2,
72 PD7_AOUT_FEC_RXD3,
73 PD8_AF_FEC_MDIO,
74 PD9_AIN_FEC_MDC,
75 PD10_AOUT_FEC_CRS,
76 PD11_AOUT_FEC_TX_CLK,
77 PD12_AOUT_FEC_RXD0,
78 PD13_AOUT_FEC_RX_DV,
79 PD14_AOUT_FEC_RX_CLK,
80 PD15_AOUT_FEC_COL,
81 PD16_AIN_FEC_TX_ER,
82 PF23_AIN_FEC_TX_EN,
83 /* I2C2 */
84 PC5_PF_I2C2_SDA,
85 PC6_PF_I2C2_SCL,
86 /* SPI1 */
87 PD25_PF_CSPI1_RDY,
88 PD29_PF_CSPI1_SCLK,
89 PD30_PF_CSPI1_MISO,
90 PD31_PF_CSPI1_MOSI,
91 /* SSI1 */
92 PC20_PF_SSI1_FS,
93 PC21_PF_SSI1_RXD,
94 PC22_PF_SSI1_TXD,
95 PC23_PF_SSI1_CLK,
96 /* SSI4 */
97 PC16_PF_SSI4_FS,
98 PC17_PF_SSI4_RXD,
99 PC18_PF_SSI4_TXD,
100 PC19_PF_SSI4_CLK,
101 /* USB host */
102 PA0_PF_USBH2_CLK,
103 PA1_PF_USBH2_DIR,
104 PA2_PF_USBH2_DATA7,
105 PA3_PF_USBH2_NXT,
106 PA4_PF_USBH2_STP,
107 PD19_AF_USBH2_DATA4,
108 PD20_AF_USBH2_DATA3,
109 PD21_AF_USBH2_DATA6,
110 PD22_AF_USBH2_DATA0,
111 PD23_AF_USBH2_DATA2,
112 PD24_AF_USBH2_DATA1,
113 PD26_AF_USBH2_DATA5,
114};
115
116/*
117 * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
118 * 16 bit width
119 */
120
121static struct platdata_mtd_ram pcm038_sram_data = {
122 .bankwidth = 2,
123};
124
125static struct resource pcm038_sram_resource = {
126 .start = MX27_CS1_BASE_ADDR,
127 .end = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
128 .flags = IORESOURCE_MEM,
129};
130
131static struct platform_device pcm038_sram_mtd_device = {
132 .name = "mtd-ram",
133 .id = 0,
134 .dev = {
135 .platform_data = &pcm038_sram_data,
136 },
137 .num_resources = 1,
138 .resource = &pcm038_sram_resource,
139};
140
141/*
142 * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
143 * 16 bit width
144 */
145static struct physmap_flash_data pcm038_flash_data = {
146 .width = 2,
147};
148
149static struct resource pcm038_flash_resource = {
150 .start = 0xc0000000,
151 .end = 0xc1ffffff,
152 .flags = IORESOURCE_MEM,
153};
154
155static struct platform_device pcm038_nor_mtd_device = {
156 .name = "physmap-flash",
157 .id = 0,
158 .dev = {
159 .platform_data = &pcm038_flash_data,
160 },
161 .num_resources = 1,
162 .resource = &pcm038_flash_resource,
163};
164
165static struct imxuart_platform_data uart_pdata[] = {
166 {
167 .flags = IMXUART_HAVE_RTSCTS,
168 }, {
169 .flags = IMXUART_HAVE_RTSCTS,
170 }, {
171 .flags = IMXUART_HAVE_RTSCTS,
172 },
173};
174
175static struct mxc_nand_platform_data pcm038_nand_board_info = {
176 .width = 1,
177 .hw_ecc = 1,
178};
179
180static struct platform_device *platform_devices[] __initdata = {
181 &pcm038_nor_mtd_device,
182 &mxc_w1_master_device,
183 &mxc_fec_device,
184 &pcm038_sram_mtd_device,
185};
186
187/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
188 * setup other stuffs to access the sram. */
189static void __init pcm038_init_sram(void)
190{
191 mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00);
192}
193
194static struct imxi2c_platform_data pcm038_i2c_1_data = {
195 .bitrate = 100000,
196};
197
198static struct at24_platform_data board_eeprom = {
199 .byte_len = 4096,
200 .page_size = 32,
201 .flags = AT24_FLAG_ADDR16,
202};
203
204static struct i2c_board_info pcm038_i2c_devices[] = {
205 {
206 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
207 .platform_data = &board_eeprom,
208 }, {
209 I2C_BOARD_INFO("pcf8563", 0x51),
210 }, {
211 I2C_BOARD_INFO("lm75", 0x4a),
212 }
213};
214
215static int pcm038_spi_cs[] = {GPIO_PORTD + 28};
216
217static struct spi_imx_master pcm038_spi_0_data = {
218 .chipselect = pcm038_spi_cs,
219 .num_chipselect = ARRAY_SIZE(pcm038_spi_cs),
220};
221
222static struct regulator_consumer_supply sdhc1_consumers[] = {
223 {
224 .dev = &mxc_sdhc_device1.dev,
225 .supply = "sdhc_vcc",
226 },
227};
228
229static struct regulator_init_data sdhc1_data = {
230 .constraints = {
231 .min_uV = 3000000,
232 .max_uV = 3400000,
233 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
234 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
235 .valid_modes_mask = REGULATOR_MODE_NORMAL |
236 REGULATOR_MODE_FAST,
237 .always_on = 0,
238 .boot_on = 0,
239 },
240 .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers),
241 .consumer_supplies = sdhc1_consumers,
242};
243
244static struct regulator_consumer_supply cam_consumers[] = {
245 {
246 .dev = NULL,
247 .supply = "imx_cam_vcc",
248 },
249};
250
251static struct regulator_init_data cam_data = {
252 .constraints = {
253 .min_uV = 3000000,
254 .max_uV = 3400000,
255 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
256 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
257 .valid_modes_mask = REGULATOR_MODE_NORMAL |
258 REGULATOR_MODE_FAST,
259 .always_on = 0,
260 .boot_on = 0,
261 },
262 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
263 .consumer_supplies = cam_consumers,
264};
265
266struct mc13783_regulator_init_data pcm038_regulators[] = {
267 {
268 .id = MC13783_REGU_VCAM,
269 .init_data = &cam_data,
270 }, {
271 .id = MC13783_REGU_VMMC1,
272 .init_data = &sdhc1_data,
273 },
274};
275
276static struct mc13783_platform_data pcm038_pmic = {
277 .regulators = pcm038_regulators,
278 .num_regulators = ARRAY_SIZE(pcm038_regulators),
279 .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR |
280 MC13783_USE_TOUCHSCREEN,
281};
282
283static struct spi_board_info pcm038_spi_board_info[] __initdata = {
284 {
285 .modalias = "mc13783",
286 .irq = IRQ_GPIOB(23),
287 .max_speed_hz = 300000,
288 .bus_num = 0,
289 .chip_select = 0,
290 .platform_data = &pcm038_pmic,
291 .mode = SPI_CS_HIGH,
292 }
293};
294
295static struct mxc_usbh_platform_data usbh2_pdata = {
296 .portsc = MXC_EHCI_MODE_ULPI,
297 .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
298};
299
300static void __init pcm038_init(void)
301{
302 mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
303 "PCM038");
304
305 pcm038_init_sram();
306
307 mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
308 mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
309 mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
310
311 mxc_gpio_mode(PE16_AF_OWIRE);
312 mxc_register_device(&imx27_nand_device, &pcm038_nand_board_info);
313
314 /* only the i2c master 1 is used on this CPU card */
315 i2c_register_board_info(1, pcm038_i2c_devices,
316 ARRAY_SIZE(pcm038_i2c_devices));
317
318 mxc_register_device(&mxc_i2c_device1, &pcm038_i2c_1_data);
319
320 /* PE18 for user-LED D40 */
321 mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
322
323 mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
324
325 /* MC13783 IRQ */
326 mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN);
327
328 mxc_register_device(&mxc_spi_device0, &pcm038_spi_0_data);
329 spi_register_board_info(pcm038_spi_board_info,
330 ARRAY_SIZE(pcm038_spi_board_info));
331
332 mxc_register_device(&mxc_usbh2, &usbh2_pdata);
333
334 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
335
336#ifdef CONFIG_MACH_PCM970_BASEBOARD
337 pcm970_baseboard_init();
338#endif
339}
340
341static void __init pcm038_timer_init(void)
342{
343 mx27_clocks_init(26000000);
344}
345
346static struct sys_timer pcm038_timer = {
347 .init = pcm038_timer_init,
348};
349
350MACHINE_START(PCM038, "phyCORE-i.MX27")
351 .phys_io = MX27_AIPI_BASE_ADDR,
352 .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
353 .boot_params = MX27_PHYS_OFFSET + 0x100,
354 .map_io = mx27_map_io,
355 .init_irq = mx27_init_irq,
356 .init_machine = pcm038_init,
357 .timer = &pcm038_timer,
358MACHINE_END