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ARM: imx: dynamically register mxc-mmc devices
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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
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20#include <linux/i2c.h>
21#include <linux/i2c/at24.h>
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22#include <linux/io.h>
23#include <linux/mtd/plat-ram.h>
24#include <linux/mtd/physmap.h>
25#include <linux/platform_device.h>
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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>
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32#include <asm/mach/arch.h>
33#include <asm/mach/time.h>
34
35#include <mach/board-pcm038.h>
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36#include <mach/common.h>
37#include <mach/hardware.h>
e835d88e 38#include <mach/iomux-mx27.h>
01f71a37 39#include <mach/mxc_nand.h>
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40#include <mach/mxc_ehci.h>
41#include <mach/ulpi.h>
7e5e9f54 42
0e7a29a8 43#include "devices-imx27.h"
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44#include "devices.h"
45
6c80ee51 46static const int pcm038_pins[] __initconst = {
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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,
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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,
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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,
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112};
113
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114/*
115 * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
116 * 16 bit width
117 */
118
119static struct platdata_mtd_ram pcm038_sram_data = {
120 .bankwidth = 2,
121};
122
123static struct resource pcm038_sram_resource = {
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124 .start = MX27_CS1_BASE_ADDR,
125 .end = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
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126 .flags = IORESOURCE_MEM,
127};
128
129static 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
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139/*
140 * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
141 * 16 bit width
142 */
143static struct physmap_flash_data pcm038_flash_data = {
144 .width = 2,
145};
146
147static struct resource pcm038_flash_resource = {
148 .start = 0xc0000000,
149 .end = 0xc1ffffff,
150 .flags = IORESOURCE_MEM,
151};
152
153static 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
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163static const struct imxuart_platform_data uart_pdata __initconst = {
164 .flags = IMXUART_HAVE_RTSCTS,
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165};
166
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167static const struct mxc_nand_platform_data
168pcm038_nand_board_info __initconst = {
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169 .width = 1,
170 .hw_ecc = 1,
171};
172
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173static struct platform_device *platform_devices[] __initdata = {
174 &pcm038_nor_mtd_device,
3620c0dc 175 &pcm038_sram_mtd_device,
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176};
177
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178/* On pcm038 there's a sram attached to CS1, we enable the chipselect here and
179 * setup other stuffs to access the sram. */
180static void __init pcm038_init_sram(void)
181{
a8dfb646 182 mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00);
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183}
184
c6987159 185static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = {
a4e9a65a 186 .bitrate = 100000,
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187};
188
189static struct at24_platform_data board_eeprom = {
190 .byte_len = 4096,
191 .page_size = 32,
192 .flags = AT24_FLAG_ADDR16,
193};
194
195static struct i2c_board_info pcm038_i2c_devices[] = {
cf87a6e2 196 {
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197 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
198 .platform_data = &board_eeprom,
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199 }, {
200 I2C_BOARD_INFO("pcf8563", 0x51),
201 }, {
a4e9a65a 202 I2C_BOARD_INFO("lm75", 0x4a),
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203 }
204};
a4e9a65a 205
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206static int pcm038_spi_cs[] = {GPIO_PORTD + 28};
207
7536cf99 208static const struct spi_imx_master pcm038_spi0_data __initconst = {
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209 .chipselect = pcm038_spi_cs,
210 .num_chipselect = ARRAY_SIZE(pcm038_spi_cs),
211};
212
213static struct regulator_consumer_supply sdhc1_consumers[] = {
214 {
9d3d945a 215 .dev_name = "mxc-mmc.1",
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216 .supply = "sdhc_vcc",
217 },
218};
219
220static 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
235static struct regulator_consumer_supply cam_consumers[] = {
236 {
237 .dev = NULL,
238 .supply = "imx_cam_vcc",
239 },
240};
241
242static 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
7ad211e3 257static struct mc13783_regulator_init_data pcm038_regulators[] = {
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258 {
259 .id = MC13783_REGU_VCAM,
260 .init_data = &cam_data,
261 }, {
262 .id = MC13783_REGU_VMMC1,
263 .init_data = &sdhc1_data,
264 },
265};
266
267static struct mc13783_platform_data pcm038_pmic = {
268 .regulators = pcm038_regulators,
269 .num_regulators = ARRAY_SIZE(pcm038_regulators),
270 .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR |
271 MC13783_USE_TOUCHSCREEN,
272};
273
274static struct spi_board_info pcm038_spi_board_info[] __initdata = {
275 {
276 .modalias = "mc13783",
277 .irq = IRQ_GPIOB(23),
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
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286static struct mxc_usbh_platform_data usbh2_pdata = {
287 .portsc = MXC_EHCI_MODE_ULPI,
288 .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
289};
290
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291static void __init pcm038_init(void)
292{
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293 mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
294 "PCM038");
295
3620c0dc 296 pcm038_init_sram();
7e5e9f54 297
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298 imx27_add_imx_uart0(&uart_pdata);
299 imx27_add_imx_uart1(&uart_pdata);
300 imx27_add_imx_uart2(&uart_pdata);
01f71a37 301
ccfe30a7 302 mxc_gpio_mode(PE16_AF_OWIRE);
0e7a29a8 303 imx27_add_mxc_nand(&pcm038_nand_board_info);
7e5e9f54 304
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305 /* only the i2c master 1 is used on this CPU card */
306 i2c_register_board_info(1, pcm038_i2c_devices,
307 ARRAY_SIZE(pcm038_i2c_devices));
308
77a406da 309 imx27_add_imx_i2c(1, &pcm038_i2c1_data);
a4e9a65a 310
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311 /* PE18 for user-LED D40 */
312 mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
313
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314 mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
315
316 /* MC13783 IRQ */
317 mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN);
318
7536cf99 319 imx27_add_spi_imx0(&pcm038_spi0_data);
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320 spi_register_board_info(pcm038_spi_board_info,
321 ARRAY_SIZE(pcm038_spi_board_info));
322
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323 mxc_register_device(&mxc_usbh2, &usbh2_pdata);
324
6bd96f3c 325 imx27_add_fec(NULL);
7e5e9f54 326 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
e0a1961d 327 imx27_add_imx2_wdt(NULL);
ae71a562 328 imx27_add_mxc_w1(NULL);
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329
330#ifdef CONFIG_MACH_PCM970_BASEBOARD
331 pcm970_baseboard_init();
332#endif
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333}
334
335static void __init pcm038_timer_init(void)
336{
30c730f8 337 mx27_clocks_init(26000000);
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338}
339
058b7a6f 340static struct sys_timer pcm038_timer = {
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341 .init = pcm038_timer_init,
342};
343
344MACHINE_START(PCM038, "phyCORE-i.MX27")
34101237 345 .boot_params = MX27_PHYS_OFFSET + 0x100,
cd4a05f9 346 .map_io = mx27_map_io,
c5aa0ad0 347 .init_irq = mx27_init_irq,
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348 .init_machine = pcm038_init,
349 .timer = &pcm038_timer,
350MACHINE_END