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7e5e9f54 JB |
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 | ||
a4e9a65a SH |
20 | #include <linux/i2c.h> |
21 | #include <linux/i2c/at24.h> | |
bff0b53b SH |
22 | #include <linux/io.h> |
23 | #include <linux/mtd/plat-ram.h> | |
24 | #include <linux/mtd/physmap.h> | |
25 | #include <linux/platform_device.h> | |
61533841 SH |
26 | #include <linux/regulator/machine.h> |
27 | #include <linux/mfd/mc13783.h> | |
28 | #include <linux/spi/spi.h> | |
29 | #include <linux/irq.h> | |
a4e9a65a | 30 | |
7e5e9f54 | 31 | #include <asm/mach-types.h> |
bff0b53b SH |
32 | #include <asm/mach/arch.h> |
33 | #include <asm/mach/time.h> | |
34 | ||
35 | #include <mach/board-pcm038.h> | |
a09e64fb RK |
36 | #include <mach/common.h> |
37 | #include <mach/hardware.h> | |
a4e9a65a | 38 | #include <mach/i2c.h> |
bff0b53b | 39 | #include <mach/iomux.h> |
a09e64fb | 40 | #include <mach/imx-uart.h> |
01f71a37 | 41 | #include <mach/mxc_nand.h> |
61533841 | 42 | #include <mach/spi.h> |
7e5e9f54 | 43 | |
7e90534a SH |
44 | #include "devices.h" |
45 | ||
f231ea44 SH |
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, | |
f231ea44 SH |
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 | }; | |
100 | ||
3620c0dc SH |
101 | /* |
102 | * Phytec's PCM038 comes with 2MiB battery buffered SRAM, | |
103 | * 16 bit width | |
104 | */ | |
105 | ||
106 | static struct platdata_mtd_ram pcm038_sram_data = { | |
107 | .bankwidth = 2, | |
108 | }; | |
109 | ||
110 | static struct resource pcm038_sram_resource = { | |
111 | .start = CS1_BASE_ADDR, | |
112 | .end = CS1_BASE_ADDR + 512 * 1024 - 1, | |
113 | .flags = IORESOURCE_MEM, | |
114 | }; | |
115 | ||
116 | static struct platform_device pcm038_sram_mtd_device = { | |
117 | .name = "mtd-ram", | |
118 | .id = 0, | |
119 | .dev = { | |
120 | .platform_data = &pcm038_sram_data, | |
121 | }, | |
122 | .num_resources = 1, | |
123 | .resource = &pcm038_sram_resource, | |
124 | }; | |
125 | ||
7e5e9f54 JB |
126 | /* |
127 | * Phytec's phyCORE-i.MX27 comes with 32MiB flash, | |
128 | * 16 bit width | |
129 | */ | |
130 | static struct physmap_flash_data pcm038_flash_data = { | |
131 | .width = 2, | |
132 | }; | |
133 | ||
134 | static struct resource pcm038_flash_resource = { | |
135 | .start = 0xc0000000, | |
136 | .end = 0xc1ffffff, | |
137 | .flags = IORESOURCE_MEM, | |
138 | }; | |
139 | ||
140 | static struct platform_device pcm038_nor_mtd_device = { | |
141 | .name = "physmap-flash", | |
142 | .id = 0, | |
143 | .dev = { | |
144 | .platform_data = &pcm038_flash_data, | |
145 | }, | |
146 | .num_resources = 1, | |
147 | .resource = &pcm038_flash_resource, | |
148 | }; | |
149 | ||
7e5e9f54 JB |
150 | static struct imxuart_platform_data uart_pdata[] = { |
151 | { | |
7e5e9f54 JB |
152 | .flags = IMXUART_HAVE_RTSCTS, |
153 | }, { | |
7e5e9f54 JB |
154 | .flags = IMXUART_HAVE_RTSCTS, |
155 | }, { | |
7e5e9f54 JB |
156 | .flags = IMXUART_HAVE_RTSCTS, |
157 | }, | |
158 | }; | |
159 | ||
01f71a37 SH |
160 | static struct mxc_nand_platform_data pcm038_nand_board_info = { |
161 | .width = 1, | |
162 | .hw_ecc = 1, | |
163 | }; | |
164 | ||
7e5e9f54 JB |
165 | static struct platform_device *platform_devices[] __initdata = { |
166 | &pcm038_nor_mtd_device, | |
d40a0992 | 167 | &mxc_w1_master_device, |
879fea1b | 168 | &mxc_fec_device, |
3620c0dc | 169 | &pcm038_sram_mtd_device, |
7e5e9f54 JB |
170 | }; |
171 | ||
3620c0dc SH |
172 | /* On pcm038 there's a sram attached to CS1, we enable the chipselect here and |
173 | * setup other stuffs to access the sram. */ | |
174 | static void __init pcm038_init_sram(void) | |
175 | { | |
176 | __raw_writel(0x0000d843, CSCR_U(1)); | |
177 | __raw_writel(0x22252521, CSCR_L(1)); | |
178 | __raw_writel(0x22220a00, CSCR_A(1)); | |
179 | } | |
180 | ||
a4e9a65a SH |
181 | static struct imxi2c_platform_data pcm038_i2c_1_data = { |
182 | .bitrate = 100000, | |
a4e9a65a SH |
183 | }; |
184 | ||
185 | static struct at24_platform_data board_eeprom = { | |
186 | .byte_len = 4096, | |
187 | .page_size = 32, | |
188 | .flags = AT24_FLAG_ADDR16, | |
189 | }; | |
190 | ||
191 | static struct i2c_board_info pcm038_i2c_devices[] = { | |
cf87a6e2 | 192 | { |
a4e9a65a SH |
193 | I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ |
194 | .platform_data = &board_eeprom, | |
cf87a6e2 SH |
195 | }, { |
196 | I2C_BOARD_INFO("pcf8563", 0x51), | |
197 | }, { | |
a4e9a65a | 198 | I2C_BOARD_INFO("lm75", 0x4a), |
a4e9a65a SH |
199 | } |
200 | }; | |
a4e9a65a | 201 | |
61533841 SH |
202 | static int pcm038_spi_cs[] = {GPIO_PORTD + 28}; |
203 | ||
204 | static struct spi_imx_master pcm038_spi_0_data = { | |
205 | .chipselect = pcm038_spi_cs, | |
206 | .num_chipselect = ARRAY_SIZE(pcm038_spi_cs), | |
207 | }; | |
208 | ||
209 | static struct regulator_consumer_supply sdhc1_consumers[] = { | |
210 | { | |
211 | .dev = &mxc_sdhc_device1.dev, | |
212 | .supply = "sdhc_vcc", | |
213 | }, | |
214 | }; | |
215 | ||
216 | static struct regulator_init_data sdhc1_data = { | |
217 | .constraints = { | |
218 | .min_uV = 3000000, | |
219 | .max_uV = 3400000, | |
220 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | |
221 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | |
222 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | |
223 | REGULATOR_MODE_FAST, | |
224 | .always_on = 0, | |
225 | .boot_on = 0, | |
226 | }, | |
227 | .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers), | |
228 | .consumer_supplies = sdhc1_consumers, | |
229 | }; | |
230 | ||
231 | static struct regulator_consumer_supply cam_consumers[] = { | |
232 | { | |
233 | .dev = NULL, | |
234 | .supply = "imx_cam_vcc", | |
235 | }, | |
236 | }; | |
237 | ||
238 | static struct regulator_init_data cam_data = { | |
239 | .constraints = { | |
240 | .min_uV = 3000000, | |
241 | .max_uV = 3400000, | |
242 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | |
243 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | |
244 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | |
245 | REGULATOR_MODE_FAST, | |
246 | .always_on = 0, | |
247 | .boot_on = 0, | |
248 | }, | |
249 | .num_consumer_supplies = ARRAY_SIZE(cam_consumers), | |
250 | .consumer_supplies = cam_consumers, | |
251 | }; | |
252 | ||
253 | struct mc13783_regulator_init_data pcm038_regulators[] = { | |
254 | { | |
255 | .id = MC13783_REGU_VCAM, | |
256 | .init_data = &cam_data, | |
257 | }, { | |
258 | .id = MC13783_REGU_VMMC1, | |
259 | .init_data = &sdhc1_data, | |
260 | }, | |
261 | }; | |
262 | ||
263 | static struct mc13783_platform_data pcm038_pmic = { | |
264 | .regulators = pcm038_regulators, | |
265 | .num_regulators = ARRAY_SIZE(pcm038_regulators), | |
266 | .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR | | |
267 | MC13783_USE_TOUCHSCREEN, | |
268 | }; | |
269 | ||
270 | static struct spi_board_info pcm038_spi_board_info[] __initdata = { | |
271 | { | |
272 | .modalias = "mc13783", | |
273 | .irq = IRQ_GPIOB(23), | |
274 | .max_speed_hz = 300000, | |
275 | .bus_num = 0, | |
276 | .chip_select = 0, | |
277 | .platform_data = &pcm038_pmic, | |
278 | .mode = SPI_CS_HIGH, | |
279 | } | |
280 | }; | |
281 | ||
7e5e9f54 JB |
282 | static void __init pcm038_init(void) |
283 | { | |
f231ea44 SH |
284 | mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), |
285 | "PCM038"); | |
286 | ||
3620c0dc | 287 | pcm038_init_sram(); |
7e5e9f54 | 288 | |
7e90534a SH |
289 | mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); |
290 | mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); | |
291 | mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); | |
01f71a37 | 292 | |
ccfe30a7 | 293 | mxc_gpio_mode(PE16_AF_OWIRE); |
01f71a37 | 294 | mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info); |
7e5e9f54 | 295 | |
a4e9a65a SH |
296 | /* only the i2c master 1 is used on this CPU card */ |
297 | i2c_register_board_info(1, pcm038_i2c_devices, | |
298 | ARRAY_SIZE(pcm038_i2c_devices)); | |
299 | ||
300 | mxc_register_device(&mxc_i2c_device1, &pcm038_i2c_1_data); | |
a4e9a65a | 301 | |
0160651a LF |
302 | /* PE18 for user-LED D40 */ |
303 | mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT); | |
304 | ||
61533841 SH |
305 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); |
306 | ||
307 | /* MC13783 IRQ */ | |
308 | mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN); | |
309 | ||
310 | mxc_register_device(&mxc_spi_device0, &pcm038_spi_0_data); | |
311 | spi_register_board_info(pcm038_spi_board_info, | |
312 | ARRAY_SIZE(pcm038_spi_board_info)); | |
313 | ||
7e5e9f54 | 314 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
ff6552e4 JB |
315 | |
316 | #ifdef CONFIG_MACH_PCM970_BASEBOARD | |
317 | pcm970_baseboard_init(); | |
318 | #endif | |
7e5e9f54 JB |
319 | } |
320 | ||
321 | static void __init pcm038_timer_init(void) | |
322 | { | |
30c730f8 | 323 | mx27_clocks_init(26000000); |
7e5e9f54 JB |
324 | } |
325 | ||
058b7a6f | 326 | static struct sys_timer pcm038_timer = { |
7e5e9f54 JB |
327 | .init = pcm038_timer_init, |
328 | }; | |
329 | ||
330 | MACHINE_START(PCM038, "phyCORE-i.MX27") | |
331 | .phys_io = AIPI_BASE_ADDR, | |
332 | .io_pg_offst = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
333 | .boot_params = PHYS_OFFSET + 0x100, | |
cd4a05f9 | 334 | .map_io = mx27_map_io, |
c5aa0ad0 | 335 | .init_irq = mx27_init_irq, |
7e5e9f54 JB |
336 | .init_machine = pcm038_init, |
337 | .timer = &pcm038_timer, | |
338 | MACHINE_END |