diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-pcm038.c')
-rw-r--r-- | arch/arm/mach-imx/mach-pcm038.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-pcm038.c b/arch/arm/mach-imx/mach-pcm038.c new file mode 100644 index 000000000000..9212e8f37001 --- /dev/null +++ b/arch/arm/mach-imx/mach-pcm038.c | |||
@@ -0,0 +1,352 @@ | |||
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/mxc_ehci.h> | ||
41 | #include <mach/ulpi.h> | ||
42 | |||
43 | #include "devices-imx27.h" | ||
44 | #include "devices.h" | ||
45 | |||
46 | static int pcm038_pins[] = { | ||
47 | /* UART1 */ | ||
48 | PE12_PF_UART1_TXD, | ||
49 | PE13_PF_UART1_RXD, | ||
50 | PE14_PF_UART1_CTS, | ||
51 | PE15_PF_UART1_RTS, | ||
52 | /* UART2 */ | ||
53 | PE3_PF_UART2_CTS, | ||
54 | PE4_PF_UART2_RTS, | ||
55 | PE6_PF_UART2_TXD, | ||
56 | PE7_PF_UART2_RXD, | ||
57 | /* UART3 */ | ||
58 | PE8_PF_UART3_TXD, | ||
59 | PE9_PF_UART3_RXD, | ||
60 | PE10_PF_UART3_CTS, | ||
61 | PE11_PF_UART3_RTS, | ||
62 | /* FEC */ | ||
63 | PD0_AIN_FEC_TXD0, | ||
64 | PD1_AIN_FEC_TXD1, | ||
65 | PD2_AIN_FEC_TXD2, | ||
66 | PD3_AIN_FEC_TXD3, | ||
67 | PD4_AOUT_FEC_RX_ER, | ||
68 | PD5_AOUT_FEC_RXD1, | ||
69 | PD6_AOUT_FEC_RXD2, | ||
70 | PD7_AOUT_FEC_RXD3, | ||
71 | PD8_AF_FEC_MDIO, | ||
72 | PD9_AIN_FEC_MDC, | ||
73 | PD10_AOUT_FEC_CRS, | ||
74 | PD11_AOUT_FEC_TX_CLK, | ||
75 | PD12_AOUT_FEC_RXD0, | ||
76 | PD13_AOUT_FEC_RX_DV, | ||
77 | PD14_AOUT_FEC_RX_CLK, | ||
78 | PD15_AOUT_FEC_COL, | ||
79 | PD16_AIN_FEC_TX_ER, | ||
80 | PF23_AIN_FEC_TX_EN, | ||
81 | /* I2C2 */ | ||
82 | PC5_PF_I2C2_SDA, | ||
83 | PC6_PF_I2C2_SCL, | ||
84 | /* SPI1 */ | ||
85 | PD25_PF_CSPI1_RDY, | ||
86 | PD29_PF_CSPI1_SCLK, | ||
87 | PD30_PF_CSPI1_MISO, | ||
88 | PD31_PF_CSPI1_MOSI, | ||
89 | /* SSI1 */ | ||
90 | PC20_PF_SSI1_FS, | ||
91 | PC21_PF_SSI1_RXD, | ||
92 | PC22_PF_SSI1_TXD, | ||
93 | PC23_PF_SSI1_CLK, | ||
94 | /* SSI4 */ | ||
95 | PC16_PF_SSI4_FS, | ||
96 | PC17_PF_SSI4_RXD, | ||
97 | PC18_PF_SSI4_TXD, | ||
98 | PC19_PF_SSI4_CLK, | ||
99 | /* USB host */ | ||
100 | PA0_PF_USBH2_CLK, | ||
101 | PA1_PF_USBH2_DIR, | ||
102 | PA2_PF_USBH2_DATA7, | ||
103 | PA3_PF_USBH2_NXT, | ||
104 | PA4_PF_USBH2_STP, | ||
105 | PD19_AF_USBH2_DATA4, | ||
106 | PD20_AF_USBH2_DATA3, | ||
107 | PD21_AF_USBH2_DATA6, | ||
108 | PD22_AF_USBH2_DATA0, | ||
109 | PD23_AF_USBH2_DATA2, | ||
110 | PD24_AF_USBH2_DATA1, | ||
111 | PD26_AF_USBH2_DATA5, | ||
112 | }; | ||
113 | |||
114 | /* | ||
115 | * Phytec's PCM038 comes with 2MiB battery buffered SRAM, | ||
116 | * 16 bit width | ||
117 | */ | ||
118 | |||
119 | static struct platdata_mtd_ram pcm038_sram_data = { | ||
120 | .bankwidth = 2, | ||
121 | }; | ||
122 | |||
123 | static struct resource pcm038_sram_resource = { | ||
124 | .start = MX27_CS1_BASE_ADDR, | ||
125 | .end = MX27_CS1_BASE_ADDR + 512 * 1024 - 1, | ||
126 | .flags = IORESOURCE_MEM, | ||
127 | }; | ||
128 | |||
129 | static struct platform_device pcm038_sram_mtd_device = { | ||
130 | .name = "mtd-ram", | ||
131 | .id = 0, | ||
132 | .dev = { | ||
133 | .platform_data = &pcm038_sram_data, | ||
134 | }, | ||
135 | .num_resources = 1, | ||
136 | .resource = &pcm038_sram_resource, | ||
137 | }; | ||
138 | |||
139 | /* | ||
140 | * Phytec's phyCORE-i.MX27 comes with 32MiB flash, | ||
141 | * 16 bit width | ||
142 | */ | ||
143 | static struct physmap_flash_data pcm038_flash_data = { | ||
144 | .width = 2, | ||
145 | }; | ||
146 | |||
147 | static struct resource pcm038_flash_resource = { | ||
148 | .start = 0xc0000000, | ||
149 | .end = 0xc1ffffff, | ||
150 | .flags = IORESOURCE_MEM, | ||
151 | }; | ||
152 | |||
153 | static struct platform_device pcm038_nor_mtd_device = { | ||
154 | .name = "physmap-flash", | ||
155 | .id = 0, | ||
156 | .dev = { | ||
157 | .platform_data = &pcm038_flash_data, | ||
158 | }, | ||
159 | .num_resources = 1, | ||
160 | .resource = &pcm038_flash_resource, | ||
161 | }; | ||
162 | |||
163 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
164 | .flags = IMXUART_HAVE_RTSCTS, | ||
165 | }; | ||
166 | |||
167 | static const struct mxc_nand_platform_data | ||
168 | pcm038_nand_board_info __initconst = { | ||
169 | .width = 1, | ||
170 | .hw_ecc = 1, | ||
171 | }; | ||
172 | |||
173 | static struct platform_device *platform_devices[] __initdata = { | ||
174 | &pcm038_nor_mtd_device, | ||
175 | &mxc_w1_master_device, | ||
176 | &mxc_fec_device, | ||
177 | &pcm038_sram_mtd_device, | ||
178 | &mxc_wdt, | ||
179 | }; | ||
180 | |||
181 | /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and | ||
182 | * setup other stuffs to access the sram. */ | ||
183 | static void __init pcm038_init_sram(void) | ||
184 | { | ||
185 | mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00); | ||
186 | } | ||
187 | |||
188 | static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = { | ||
189 | .bitrate = 100000, | ||
190 | }; | ||
191 | |||
192 | static struct at24_platform_data board_eeprom = { | ||
193 | .byte_len = 4096, | ||
194 | .page_size = 32, | ||
195 | .flags = AT24_FLAG_ADDR16, | ||
196 | }; | ||
197 | |||
198 | static struct i2c_board_info pcm038_i2c_devices[] = { | ||
199 | { | ||
200 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ | ||
201 | .platform_data = &board_eeprom, | ||
202 | }, { | ||
203 | I2C_BOARD_INFO("pcf8563", 0x51), | ||
204 | }, { | ||
205 | I2C_BOARD_INFO("lm75", 0x4a), | ||
206 | } | ||
207 | }; | ||
208 | |||
209 | static int pcm038_spi_cs[] = {GPIO_PORTD + 28}; | ||
210 | |||
211 | static const struct spi_imx_master pcm038_spi0_data __initconst = { | ||
212 | .chipselect = pcm038_spi_cs, | ||
213 | .num_chipselect = ARRAY_SIZE(pcm038_spi_cs), | ||
214 | }; | ||
215 | |||
216 | static struct regulator_consumer_supply sdhc1_consumers[] = { | ||
217 | { | ||
218 | .dev = &mxc_sdhc_device1.dev, | ||
219 | .supply = "sdhc_vcc", | ||
220 | }, | ||
221 | }; | ||
222 | |||
223 | static struct regulator_init_data sdhc1_data = { | ||
224 | .constraints = { | ||
225 | .min_uV = 3000000, | ||
226 | .max_uV = 3400000, | ||
227 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
228 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
229 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
230 | REGULATOR_MODE_FAST, | ||
231 | .always_on = 0, | ||
232 | .boot_on = 0, | ||
233 | }, | ||
234 | .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers), | ||
235 | .consumer_supplies = sdhc1_consumers, | ||
236 | }; | ||
237 | |||
238 | static struct regulator_consumer_supply cam_consumers[] = { | ||
239 | { | ||
240 | .dev = NULL, | ||
241 | .supply = "imx_cam_vcc", | ||
242 | }, | ||
243 | }; | ||
244 | |||
245 | static struct regulator_init_data cam_data = { | ||
246 | .constraints = { | ||
247 | .min_uV = 3000000, | ||
248 | .max_uV = 3400000, | ||
249 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
250 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
251 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
252 | REGULATOR_MODE_FAST, | ||
253 | .always_on = 0, | ||
254 | .boot_on = 0, | ||
255 | }, | ||
256 | .num_consumer_supplies = ARRAY_SIZE(cam_consumers), | ||
257 | .consumer_supplies = cam_consumers, | ||
258 | }; | ||
259 | |||
260 | struct mc13783_regulator_init_data pcm038_regulators[] = { | ||
261 | { | ||
262 | .id = MC13783_REGU_VCAM, | ||
263 | .init_data = &cam_data, | ||
264 | }, { | ||
265 | .id = MC13783_REGU_VMMC1, | ||
266 | .init_data = &sdhc1_data, | ||
267 | }, | ||
268 | }; | ||
269 | |||
270 | static struct mc13783_platform_data pcm038_pmic = { | ||
271 | .regulators = pcm038_regulators, | ||
272 | .num_regulators = ARRAY_SIZE(pcm038_regulators), | ||
273 | .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR | | ||
274 | MC13783_USE_TOUCHSCREEN, | ||
275 | }; | ||
276 | |||
277 | static struct spi_board_info pcm038_spi_board_info[] __initdata = { | ||
278 | { | ||
279 | .modalias = "mc13783", | ||
280 | .irq = IRQ_GPIOB(23), | ||
281 | .max_speed_hz = 300000, | ||
282 | .bus_num = 0, | ||
283 | .chip_select = 0, | ||
284 | .platform_data = &pcm038_pmic, | ||
285 | .mode = SPI_CS_HIGH, | ||
286 | } | ||
287 | }; | ||
288 | |||
289 | static struct mxc_usbh_platform_data usbh2_pdata = { | ||
290 | .portsc = MXC_EHCI_MODE_ULPI, | ||
291 | .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, | ||
292 | }; | ||
293 | |||
294 | static void __init pcm038_init(void) | ||
295 | { | ||
296 | mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), | ||
297 | "PCM038"); | ||
298 | |||
299 | pcm038_init_sram(); | ||
300 | |||
301 | imx27_add_imx_uart0(&uart_pdata); | ||
302 | imx27_add_imx_uart1(&uart_pdata); | ||
303 | imx27_add_imx_uart2(&uart_pdata); | ||
304 | |||
305 | mxc_gpio_mode(PE16_AF_OWIRE); | ||
306 | imx27_add_mxc_nand(&pcm038_nand_board_info); | ||
307 | |||
308 | /* only the i2c master 1 is used on this CPU card */ | ||
309 | i2c_register_board_info(1, pcm038_i2c_devices, | ||
310 | ARRAY_SIZE(pcm038_i2c_devices)); | ||
311 | |||
312 | imx27_add_i2c_imx1(&pcm038_i2c1_data); | ||
313 | |||
314 | /* PE18 for user-LED D40 */ | ||
315 | mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT); | ||
316 | |||
317 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); | ||
318 | |||
319 | /* MC13783 IRQ */ | ||
320 | mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN); | ||
321 | |||
322 | imx27_add_spi_imx0(&pcm038_spi0_data); | ||
323 | spi_register_board_info(pcm038_spi_board_info, | ||
324 | ARRAY_SIZE(pcm038_spi_board_info)); | ||
325 | |||
326 | mxc_register_device(&mxc_usbh2, &usbh2_pdata); | ||
327 | |||
328 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
329 | |||
330 | #ifdef CONFIG_MACH_PCM970_BASEBOARD | ||
331 | pcm970_baseboard_init(); | ||
332 | #endif | ||
333 | } | ||
334 | |||
335 | static void __init pcm038_timer_init(void) | ||
336 | { | ||
337 | mx27_clocks_init(26000000); | ||
338 | } | ||
339 | |||
340 | static struct sys_timer pcm038_timer = { | ||
341 | .init = pcm038_timer_init, | ||
342 | }; | ||
343 | |||
344 | MACHINE_START(PCM038, "phyCORE-i.MX27") | ||
345 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
346 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
347 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
348 | .map_io = mx27_map_io, | ||
349 | .init_irq = mx27_init_irq, | ||
350 | .init_machine = pcm038_init, | ||
351 | .timer = &pcm038_timer, | ||
352 | MACHINE_END | ||