2 * Copyright 2007 Robert Schwebel <r.schwebel@pengutronix.de>, Pengutronix
3 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
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.
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,
20 #include <linux/i2c.h>
21 #include <linux/i2c/at24.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>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/time.h>
36 #include <mach/board-pcm038.h>
37 #include <mach/common.h>
38 #include <mach/hardware.h>
39 #include <mach/iomux-mx27.h>
40 #include <mach/ulpi.h>
42 #include "devices-imx27.h"
44 static const int pcm038_pins[] __initconst = {
113 * Phytec's PCM038 comes with 2MiB battery buffered SRAM,
117 static struct platdata_mtd_ram pcm038_sram_data = {
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,
127 static struct platform_device pcm038_sram_mtd_device = {
131 .platform_data = &pcm038_sram_data,
134 .resource = &pcm038_sram_resource,
138 * Phytec's phyCORE-i.MX27 comes with 32MiB flash,
141 static struct physmap_flash_data pcm038_flash_data = {
145 static struct resource pcm038_flash_resource = {
148 .flags = IORESOURCE_MEM,
151 static struct platform_device pcm038_nor_mtd_device = {
152 .name = "physmap-flash",
155 .platform_data = &pcm038_flash_data,
158 .resource = &pcm038_flash_resource,
161 static const struct imxuart_platform_data uart_pdata __initconst = {
162 .flags = IMXUART_HAVE_RTSCTS,
165 static const struct mxc_nand_platform_data
166 pcm038_nand_board_info __initconst = {
171 static struct platform_device *platform_devices[] __initdata = {
172 &pcm038_nor_mtd_device,
173 &pcm038_sram_mtd_device,
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)
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)));
185 static const struct imxi2c_platform_data pcm038_i2c1_data __initconst = {
189 static struct at24_platform_data board_eeprom = {
192 .flags = AT24_FLAG_ADDR16,
195 static struct i2c_board_info pcm038_i2c_devices[] = {
197 I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */
198 .platform_data = &board_eeprom,
200 I2C_BOARD_INFO("pcf8563", 0x51),
202 I2C_BOARD_INFO("lm75", 0x4a),
206 static int pcm038_spi_cs[] = {GPIO_PORTD + 28};
208 static const struct spi_imx_master pcm038_spi0_data __initconst = {
209 .chipselect = pcm038_spi_cs,
210 .num_chipselect = ARRAY_SIZE(pcm038_spi_cs),
213 static struct regulator_consumer_supply sdhc1_consumers[] = {
215 .dev_name = "mxc-mmc.1",
216 .supply = "sdhc_vcc",
220 static struct regulator_init_data sdhc1_data = {
224 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
225 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
226 .valid_modes_mask = REGULATOR_MODE_NORMAL |
231 .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers),
232 .consumer_supplies = sdhc1_consumers,
235 static struct regulator_consumer_supply cam_consumers[] = {
238 .supply = "imx_cam_vcc",
242 static struct regulator_init_data cam_data = {
246 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
247 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
248 .valid_modes_mask = REGULATOR_MODE_NORMAL |
253 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
254 .consumer_supplies = cam_consumers,
257 static struct mc13xxx_regulator_init_data pcm038_regulators[] = {
259 .id = MC13783_REG_VCAM,
260 .init_data = &cam_data,
262 .id = MC13783_REG_VMMC1,
263 .init_data = &sdhc1_data,
267 static struct mc13xxx_platform_data pcm038_pmic = {
269 .regulators = pcm038_regulators,
270 .num_regulators = ARRAY_SIZE(pcm038_regulators),
272 .flags = MC13XXX_USE_ADC | MC13XXX_USE_TOUCHSCREEN,
275 static struct spi_board_info pcm038_spi_board_info[] __initdata = {
277 .modalias = "mc13783",
278 /* irq number is run-time assigned */
279 .max_speed_hz = 300000,
282 .platform_data = &pcm038_pmic,
287 static int pcm038_usbh2_init(struct platform_device *pdev)
289 return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
290 MXC_EHCI_INTERFACE_DIFF_UNI);
293 static const struct mxc_usbh_platform_data usbh2_pdata __initconst = {
294 .init = pcm038_usbh2_init,
295 .portsc = MXC_EHCI_MODE_ULPI,
298 static void __init pcm038_init(void)
302 mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
307 imx27_add_imx_uart0(&uart_pdata);
308 imx27_add_imx_uart1(&uart_pdata);
309 imx27_add_imx_uart2(&uart_pdata);
311 mxc_gpio_mode(PE16_AF_OWIRE);
312 imx27_add_mxc_nand(&pcm038_nand_board_info);
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));
318 imx27_add_imx_i2c(1, &pcm038_i2c1_data);
320 /* PE18 for user-LED D40 */
321 mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT);
323 mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT);
326 mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN);
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));
333 imx27_add_mxc_ehci_hs(2, &usbh2_pdata);
336 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
337 imx27_add_imx2_wdt();
340 #ifdef CONFIG_MACH_PCM970_BASEBOARD
341 pcm970_baseboard_init();
345 static void __init pcm038_timer_init(void)
347 mx27_clocks_init(26000000);
350 static struct sys_timer pcm038_timer = {
351 .init = pcm038_timer_init,
354 MACHINE_START(PCM038, "phyCORE-i.MX27")
355 .atag_offset = 0x100,
356 .map_io = mx27_map_io,
357 .init_early = imx27_init_early,
358 .init_irq = mx27_init_irq,
359 .handle_irq = imx27_handle_irq,
360 .timer = &pcm038_timer,
361 .init_machine = pcm038_init,
362 .restart = mxc_restart,