Merge branches 'for-3.18/always-poll-quirk', 'for-3.18/logitech', 'for-3.18/picolcd...
[sfrench/cifs-2.6.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/platform_data/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 #include <linux/gpio.h>
31
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/time.h>
35
36 #include "board-pcm038.h"
37 #include "common.h"
38 #include "devices-imx27.h"
39 #include "ehci.h"
40 #include "hardware.h"
41 #include "iomux-mx27.h"
42 #include "ulpi.h"
43
44 static const int pcm038_pins[] __initconst = {
45         /* UART1 */
46         PE12_PF_UART1_TXD,
47         PE13_PF_UART1_RXD,
48         PE14_PF_UART1_CTS,
49         PE15_PF_UART1_RTS,
50         /* UART2 */
51         PE3_PF_UART2_CTS,
52         PE4_PF_UART2_RTS,
53         PE6_PF_UART2_TXD,
54         PE7_PF_UART2_RXD,
55         /* UART3 */
56         PE8_PF_UART3_TXD,
57         PE9_PF_UART3_RXD,
58         PE10_PF_UART3_CTS,
59         PE11_PF_UART3_RTS,
60         /* FEC */
61         PD0_AIN_FEC_TXD0,
62         PD1_AIN_FEC_TXD1,
63         PD2_AIN_FEC_TXD2,
64         PD3_AIN_FEC_TXD3,
65         PD4_AOUT_FEC_RX_ER,
66         PD5_AOUT_FEC_RXD1,
67         PD6_AOUT_FEC_RXD2,
68         PD7_AOUT_FEC_RXD3,
69         PD8_AF_FEC_MDIO,
70         PD9_AIN_FEC_MDC,
71         PD10_AOUT_FEC_CRS,
72         PD11_AOUT_FEC_TX_CLK,
73         PD12_AOUT_FEC_RXD0,
74         PD13_AOUT_FEC_RX_DV,
75         PD14_AOUT_FEC_RX_CLK,
76         PD15_AOUT_FEC_COL,
77         PD16_AIN_FEC_TX_ER,
78         PF23_AIN_FEC_TX_EN,
79         /* I2C2 */
80         PC5_PF_I2C2_SDA,
81         PC6_PF_I2C2_SCL,
82         /* SPI1 */
83         PD25_PF_CSPI1_RDY,
84         PD29_PF_CSPI1_SCLK,
85         PD30_PF_CSPI1_MISO,
86         PD31_PF_CSPI1_MOSI,
87         /* SSI1 */
88         PC20_PF_SSI1_FS,
89         PC21_PF_SSI1_RXD,
90         PC22_PF_SSI1_TXD,
91         PC23_PF_SSI1_CLK,
92         /* SSI4 */
93         PC16_PF_SSI4_FS,
94         PC17_PF_SSI4_RXD,
95         PC18_PF_SSI4_TXD,
96         PC19_PF_SSI4_CLK,
97         /* USB host */
98         PA0_PF_USBH2_CLK,
99         PA1_PF_USBH2_DIR,
100         PA2_PF_USBH2_DATA7,
101         PA3_PF_USBH2_NXT,
102         PA4_PF_USBH2_STP,
103         PD19_AF_USBH2_DATA4,
104         PD20_AF_USBH2_DATA3,
105         PD21_AF_USBH2_DATA6,
106         PD22_AF_USBH2_DATA0,
107         PD23_AF_USBH2_DATA2,
108         PD24_AF_USBH2_DATA1,
109         PD26_AF_USBH2_DATA5,
110 };
111
112 /*
113  * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
114  * 16 bit width
115  */
116
117 static struct platdata_mtd_ram pcm038_sram_data = {
118         .bankwidth = 2,
119 };
120
121 static struct resource pcm038_sram_resource = {
122         .start = MX27_CS1_BASE_ADDR,
123         .end   = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
124         .flags = IORESOURCE_MEM,
125 };
126
127 static struct platform_device pcm038_sram_mtd_device = {
128         .name = "mtd-ram",
129         .id = 0,
130         .dev = {
131                 .platform_data = &pcm038_sram_data,
132         },
133         .num_resources = 1,
134         .resource = &pcm038_sram_resource,
135 };
136
137 /*
138  * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
139  * 16 bit width
140  */
141 static struct physmap_flash_data pcm038_flash_data = {
142         .width = 2,
143 };
144
145 static struct resource pcm038_flash_resource = {
146         .start = 0xc0000000,
147         .end   = 0xc1ffffff,
148         .flags = IORESOURCE_MEM,
149 };
150
151 static struct platform_device pcm038_nor_mtd_device = {
152         .name = "physmap-flash",
153         .id = 0,
154         .dev = {
155                 .platform_data = &pcm038_flash_data,
156         },
157         .num_resources = 1,
158         .resource = &pcm038_flash_resource,
159 };
160
161 static const struct imxuart_platform_data uart_pdata __initconst = {
162         .flags = IMXUART_HAVE_RTSCTS,
163 };
164
165 static const struct mxc_nand_platform_data
166 pcm038_nand_board_info __initconst = {
167         .width = 1,
168         .hw_ecc = 1,
169 };
170
171 static struct platform_device *platform_devices[] __initdata = {
172         &pcm038_nor_mtd_device,
173         &pcm038_sram_mtd_device,
174 };
175
176 /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
177  * setup other stuffs to access the sram. */
178 static void __init pcm038_init_sram(void)
179 {
180         __raw_writel(0x0000d843, MX27_IO_ADDRESS(MX27_WEIM_CSCRxU(1)));
181         __raw_writel(0x22252521, MX27_IO_ADDRESS(MX27_WEIM_CSCRxL(1)));
182         __raw_writel(0x22220a00, MX27_IO_ADDRESS(MX27_WEIM_CSCRxA(1)));
183 }
184
185 static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = {
186         .bitrate = 100000,
187 };
188
189 static struct at24_platform_data board_eeprom = {
190         .byte_len = 4096,
191         .page_size = 32,
192         .flags = AT24_FLAG_ADDR16,
193 };
194
195 static struct i2c_board_info pcm038_i2c_devices[] = {
196         {
197                 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
198                 .platform_data = &board_eeprom,
199         }, {
200                 I2C_BOARD_INFO("pcf8563", 0x51),
201         }, {
202                 I2C_BOARD_INFO("lm75", 0x4a),
203         }
204 };
205
206 static int pcm038_spi_cs[] = {GPIO_PORTD + 28};
207
208 static const struct spi_imx_master pcm038_spi0_data __initconst = {
209         .chipselect = pcm038_spi_cs,
210         .num_chipselect = ARRAY_SIZE(pcm038_spi_cs),
211 };
212
213 static struct regulator_consumer_supply sdhc1_consumers[] = {
214         {
215                 .dev_name = "imx21-mmc.1",
216                 .supply = "sdhc_vcc",
217         },
218 };
219
220 static struct regulator_init_data sdhc1_data = {
221         .constraints = {
222                 .min_uV = 3000000,
223                 .max_uV = 3400000,
224                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
225                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
226                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
227                         REGULATOR_MODE_FAST,
228                 .always_on = 0,
229                 .boot_on = 0,
230         },
231         .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers),
232         .consumer_supplies = sdhc1_consumers,
233 };
234
235 static struct regulator_consumer_supply cam_consumers[] = {
236         {
237                 .dev_name = NULL,
238                 .supply = "imx_cam_vcc",
239         },
240 };
241
242 static struct regulator_init_data cam_data = {
243         .constraints = {
244                 .min_uV = 3000000,
245                 .max_uV = 3400000,
246                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
247                         REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
248                 .valid_modes_mask = REGULATOR_MODE_NORMAL |
249                         REGULATOR_MODE_FAST,
250                 .always_on = 0,
251                 .boot_on = 0,
252         },
253         .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
254         .consumer_supplies = cam_consumers,
255 };
256
257 static struct mc13xxx_regulator_init_data pcm038_regulators[] = {
258         {
259                 .id = MC13783_REG_VCAM,
260                 .init_data = &cam_data,
261         }, {
262                 .id = MC13783_REG_VMMC1,
263                 .init_data = &sdhc1_data,
264         },
265 };
266
267 static struct mc13xxx_platform_data pcm038_pmic = {
268         .regulators = {
269                 .regulators = pcm038_regulators,
270                 .num_regulators = ARRAY_SIZE(pcm038_regulators),
271         },
272         .flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
273 };
274
275 static struct spi_board_info pcm038_spi_board_info[] __initdata = {
276         {
277                 .modalias = "mc13783",
278                 /* irq number is run-time assigned */
279                 .max_speed_hz = 300000,
280                 .bus_num = 0,
281                 .chip_select = 0,
282                 .platform_data = &pcm038_pmic,
283                 .mode = SPI_CS_HIGH,
284         }
285 };
286
287 static int pcm038_usbh2_init(struct platform_device *pdev)
288 {
289         return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
290                         MXC_EHCI_INTERFACE_DIFF_UNI);
291 }
292
293 static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
294         .init   = pcm038_usbh2_init,
295         .portsc = MXC_EHCI_MODE_ULPI,
296 };
297
298 static void __init pcm038_init(void)
299 {
300         imx27_soc_init();
301
302         mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
303                         "PCM038");
304
305         pcm038_init_sram();
306
307         imx27_add_imx_uart0(&uart_pdata);
308         imx27_add_imx_uart1(&uart_pdata);
309         imx27_add_imx_uart2(&uart_pdata);
310
311         mxc_gpio_mode(PE16_AF_OWIRE);
312         imx27_add_mxc_nand(&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         imx27_add_imx_i2c(1, &pcm038_i2c1_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         imx27_add_spi_imx0(&pcm038_spi0_data);
329         pcm038_spi_board_info[0].irq = gpio_to_irq(IMX_GPIO_NR(2, 23));
330         spi_register_board_info(pcm038_spi_board_info,
331                                 ARRAY_SIZE(pcm038_spi_board_info));
332
333         imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
334
335         imx27_add_fec(NULL);
336         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
337         imx27_add_imx2_wdt();
338         imx27_add_mxc_w1();
339
340 #ifdef CONFIG_MACH_PCM970_BASEBOARD
341         pcm970_baseboard_init();
342 #endif
343 }
344
345 static void __init pcm038_timer_init(void)
346 {
347         mx27_clocks_init(26000000);
348 }
349
350 MACHINE_START(PCM038, "phyCORE-i.MX27")
351         .atag_offset = 0x100,
352         .map_io = mx27_map_io,
353         .init_early = imx27_init_early,
354         .init_irq = mx27_init_irq,
355         .init_time      = pcm038_timer_init,
356         .init_machine = pcm038_init,
357         .restart        = mxc_restart,
358 MACHINE_END