ARM: delete struct sys_timer
[linux-3.10.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 #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 "hardware.h"
40 #include "iomux-mx27.h"
41 #include "ulpi.h"
42
43 static const int pcm038_pins[] __initconst = {
44         /* UART1 */
45         PE12_PF_UART1_TXD,
46         PE13_PF_UART1_RXD,
47         PE14_PF_UART1_CTS,
48         PE15_PF_UART1_RTS,
49         /* UART2 */
50         PE3_PF_UART2_CTS,
51         PE4_PF_UART2_RTS,
52         PE6_PF_UART2_TXD,
53         PE7_PF_UART2_RXD,
54         /* UART3 */
55         PE8_PF_UART3_TXD,
56         PE9_PF_UART3_RXD,
57         PE10_PF_UART3_CTS,
58         PE11_PF_UART3_RTS,
59         /* FEC */
60         PD0_AIN_FEC_TXD0,
61         PD1_AIN_FEC_TXD1,
62         PD2_AIN_FEC_TXD2,
63         PD3_AIN_FEC_TXD3,
64         PD4_AOUT_FEC_RX_ER,
65         PD5_AOUT_FEC_RXD1,
66         PD6_AOUT_FEC_RXD2,
67         PD7_AOUT_FEC_RXD3,
68         PD8_AF_FEC_MDIO,
69         PD9_AIN_FEC_MDC,
70         PD10_AOUT_FEC_CRS,
71         PD11_AOUT_FEC_TX_CLK,
72         PD12_AOUT_FEC_RXD0,
73         PD13_AOUT_FEC_RX_DV,
74         PD14_AOUT_FEC_RX_CLK,
75         PD15_AOUT_FEC_COL,
76         PD16_AIN_FEC_TX_ER,
77         PF23_AIN_FEC_TX_EN,
78         /* I2C2 */
79         PC5_PF_I2C2_SDA,
80         PC6_PF_I2C2_SCL,
81         /* SPI1 */
82         PD25_PF_CSPI1_RDY,
83         PD29_PF_CSPI1_SCLK,
84         PD30_PF_CSPI1_MISO,
85         PD31_PF_CSPI1_MOSI,
86         /* SSI1 */
87         PC20_PF_SSI1_FS,
88         PC21_PF_SSI1_RXD,
89         PC22_PF_SSI1_TXD,
90         PC23_PF_SSI1_CLK,
91         /* SSI4 */
92         PC16_PF_SSI4_FS,
93         PC17_PF_SSI4_RXD,
94         PC18_PF_SSI4_TXD,
95         PC19_PF_SSI4_CLK,
96         /* USB host */
97         PA0_PF_USBH2_CLK,
98         PA1_PF_USBH2_DIR,
99         PA2_PF_USBH2_DATA7,
100         PA3_PF_USBH2_NXT,
101         PA4_PF_USBH2_STP,
102         PD19_AF_USBH2_DATA4,
103         PD20_AF_USBH2_DATA3,
104         PD21_AF_USBH2_DATA6,
105         PD22_AF_USBH2_DATA0,
106         PD23_AF_USBH2_DATA2,
107         PD24_AF_USBH2_DATA1,
108         PD26_AF_USBH2_DATA5,
109 };
110
111 /*
112  * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
113  * 16 bit width
114  */
115
116 static struct platdata_mtd_ram pcm038_sram_data = {
117         .bankwidth = 2,
118 };
119
120 static struct resource pcm038_sram_resource = {
121         .start = MX27_CS1_BASE_ADDR,
122         .end   = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
123         .flags = IORESOURCE_MEM,
124 };
125
126 static struct platform_device pcm038_sram_mtd_device = {
127         .name = "mtd-ram",
128         .id = 0,
129         .dev = {
130                 .platform_data = &pcm038_sram_data,
131         },
132         .num_resources = 1,
133         .resource = &pcm038_sram_resource,
134 };
135
136 /*
137  * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
138  * 16 bit width
139  */
140 static struct physmap_flash_data pcm038_flash_data = {
141         .width = 2,
142 };
143
144 static struct resource pcm038_flash_resource = {
145         .start = 0xc0000000,
146         .end   = 0xc1ffffff,
147         .flags = IORESOURCE_MEM,
148 };
149
150 static struct platform_device pcm038_nor_mtd_device = {
151         .name = "physmap-flash",
152         .id = 0,
153         .dev = {
154                 .platform_data = &pcm038_flash_data,
155         },
156         .num_resources = 1,
157         .resource = &pcm038_flash_resource,
158 };
159
160 static const struct imxuart_platform_data uart_pdata __initconst = {
161         .flags = IMXUART_HAVE_RTSCTS,
162 };
163
164 static const struct mxc_nand_platform_data
165 pcm038_nand_board_info __initconst = {
166         .width = 1,
167         .hw_ecc = 1,
168 };
169
170 static struct platform_device *platform_devices[] __initdata = {
171         &pcm038_nor_mtd_device,
172         &pcm038_sram_mtd_device,
173 };
174
175 /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
176  * setup other stuffs to access the sram. */
177 static void __init pcm038_init_sram(void)
178 {
179         __raw_writel(0x0000d843, MX27_IO_ADDRESS(MX27_WEIM_CSCRxU(1)));
180         __raw_writel(0x22252521, MX27_IO_ADDRESS(MX27_WEIM_CSCRxL(1)));
181         __raw_writel(0x22220a00, MX27_IO_ADDRESS(MX27_WEIM_CSCRxA(1)));
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 = "imx21-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_name = 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 mc13xxx_regulator_init_data pcm038_regulators[] = {
257         {
258                 .id = MC13783_REG_VCAM,
259                 .init_data = &cam_data,
260         }, {
261                 .id = MC13783_REG_VMMC1,
262                 .init_data = &sdhc1_data,
263         },
264 };
265
266 static struct mc13xxx_platform_data pcm038_pmic = {
267         .regulators = {
268                 .regulators = pcm038_regulators,
269                 .num_regulators = ARRAY_SIZE(pcm038_regulators),
270         },
271         .flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
272 };
273
274 static struct spi_board_info pcm038_spi_board_info[] __initdata = {
275         {
276                 .modalias = "mc13783",
277                 /* irq number is run-time assigned */
278                 .max_speed_hz = 300000,
279                 .bus_num = 0,
280                 .chip_select = 0,
281                 .platform_data = &pcm038_pmic,
282                 .mode = SPI_CS_HIGH,
283         }
284 };
285
286 static int pcm038_usbh2_init(struct platform_device *pdev)
287 {
288         return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
289                         MXC_EHCI_INTERFACE_DIFF_UNI);
290 }
291
292 static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
293         .init   = pcm038_usbh2_init,
294         .portsc = MXC_EHCI_MODE_ULPI,
295 };
296
297 static void __init pcm038_init(void)
298 {
299         imx27_soc_init();
300
301         mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
302                         "PCM038");
303
304         pcm038_init_sram();
305
306         imx27_add_imx_uart0(&uart_pdata);
307         imx27_add_imx_uart1(&uart_pdata);
308         imx27_add_imx_uart2(&uart_pdata);
309
310         mxc_gpio_mode(PE16_AF_OWIRE);
311         imx27_add_mxc_nand(&pcm038_nand_board_info);
312
313         /* only the i2c master 1 is used on this CPU card */
314         i2c_register_board_info(1, pcm038_i2c_devices,
315                                 ARRAY_SIZE(pcm038_i2c_devices));
316
317         imx27_add_imx_i2c(1, &pcm038_i2c1_data);
318
319         /* PE18 for user-LED D40 */
320         mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
321
322         mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
323
324         /* MC13783 IRQ */
325         mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN);
326
327         imx27_add_spi_imx0(&pcm038_spi0_data);
328         pcm038_spi_board_info[0].irq = gpio_to_irq(IMX_GPIO_NR(2, 23));
329         spi_register_board_info(pcm038_spi_board_info,
330                                 ARRAY_SIZE(pcm038_spi_board_info));
331
332         imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
333
334         imx27_add_fec(NULL);
335         platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
336         imx27_add_imx2_wdt();
337         imx27_add_mxc_w1();
338
339 #ifdef CONFIG_MACH_PCM970_BASEBOARD
340         pcm970_baseboard_init();
341 #endif
342 }
343
344 static void __init pcm038_timer_init(void)
345 {
346         mx27_clocks_init(26000000);
347 }
348
349 MACHINE_START(PCM038, "phyCORE-i.MX27")
350         .atag_offset = 0x100,
351         .map_io = mx27_map_io,
352         .init_early = imx27_init_early,
353         .init_irq = mx27_init_irq,
354         .handle_irq = imx27_handle_irq,
355         .init_time      = pcm038_timer_init,
356         .init_machine = pcm038_init,
357         .restart        = mxc_restart,
358 MACHINE_END