2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
5 * Author: Fabio Estevam <fabio.estevam@freescale.com>
7 * Copyright (C) 2011 Meprolight, Ltd.
8 * Alex Gershgorin <alexg@meprolight.com>
10 * Modified from i.MX31 3-Stack Development System
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
24 * This machine is known as:
25 * - i.MX35 3-Stack Development System
26 * - i.MX35 Platform Development Kit (i.MX35 PDK)
29 #include <linux/types.h>
30 #include <linux/init.h>
31 #include <linux/platform_device.h>
32 #include <linux/memory.h>
33 #include <linux/gpio.h>
34 #include <linux/usb/otg.h>
36 #include <linux/mtd/physmap.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/time.h>
41 #include <asm/mach/map.h>
42 #include <asm/memblock.h>
44 #include <mach/hardware.h>
45 #include <mach/common.h>
46 #include <mach/iomux-mx35.h>
47 #include <mach/irqs.h>
48 #include <mach/3ds_debugboard.h>
49 #include <video/platform_lcd.h>
51 #include <media/soc_camera.h>
53 #include "devices-imx35.h"
55 #define GPIO_MC9S08DZ60_GPS_ENABLE 0
56 #define GPIO_MC9S08DZ60_HDD_ENABLE 4
57 #define GPIO_MC9S08DZ60_WIFI_ENABLE 5
58 #define GPIO_MC9S08DZ60_LCD_ENABLE 6
59 #define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8
61 static const struct fb_videomode fb_modedb[] = {
64 .name = "Ceramate-CLAA070VC01",
75 .sync = FB_SYNC_OE_ACT_HIGH,
76 .vmode = FB_VMODE_NONINTERLACED,
81 static const struct ipu_platform_data mx3_ipu_data __initconst = {
82 .irq_base = MXC_IPU_IRQ_START,
85 static struct mx3fb_platform_data mx3fb_pdata __initdata = {
86 .name = "Ceramate-CLAA070VC01",
88 .num_modes = ARRAY_SIZE(fb_modedb),
91 static struct i2c_board_info __initdata i2c_devices_3ds[] = {
93 I2C_BOARD_INFO("mc9s08dz60", 0x69),
97 static int lcd_power_gpio = -ENXIO;
99 static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data)
101 return !strcmp(chip->label, data);
104 static void mx35_3ds_lcd_set_power(
105 struct plat_lcd_data *pd, unsigned int power)
107 struct gpio_chip *chip;
109 if (!gpio_is_valid(lcd_power_gpio)) {
110 chip = gpiochip_find(
111 "mc9s08dz60", mc9s08dz60_gpiochip_match);
114 chip->base + GPIO_MC9S08DZ60_LCD_ENABLE;
115 if (gpio_request(lcd_power_gpio, "lcd_power") < 0) {
116 pr_err("error: gpio already requested!\n");
117 lcd_power_gpio = -ENXIO;
120 pr_err("error: didn't find mc9s08dz60 gpio chip\n");
124 if (gpio_is_valid(lcd_power_gpio))
125 gpio_set_value_cansleep(lcd_power_gpio, power);
128 static struct plat_lcd_data mx35_3ds_lcd_data = {
129 .set_power = mx35_3ds_lcd_set_power,
132 static struct platform_device mx35_3ds_lcd = {
133 .name = "platform-lcd",
134 .dev.platform_data = &mx35_3ds_lcd_data,
137 #define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(1, 1))
139 static const struct imxuart_platform_data uart_pdata __initconst = {
140 .flags = IMXUART_HAVE_RTSCTS,
143 static struct physmap_flash_data mx35pdk_flash_data = {
147 static struct resource mx35pdk_flash_resource = {
148 .start = MX35_CS0_BASE_ADDR,
149 .end = MX35_CS0_BASE_ADDR + SZ_64M - 1,
150 .flags = IORESOURCE_MEM,
153 static struct platform_device mx35pdk_flash = {
154 .name = "physmap-flash",
157 .platform_data = &mx35pdk_flash_data,
159 .resource = &mx35pdk_flash_resource,
163 static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
169 static struct platform_device *devices[] __initdata = {
173 static iomux_v3_cfg_t mx35pdk_pads[] = {
175 MX35_PAD_CTS1__UART1_CTS,
176 MX35_PAD_RTS1__UART1_RTS,
177 MX35_PAD_TXD1__UART1_TXD_MUX,
178 MX35_PAD_RXD1__UART1_RXD_MUX,
180 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
181 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
182 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
183 MX35_PAD_FEC_COL__FEC_COL,
184 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
185 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
186 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
187 MX35_PAD_FEC_MDC__FEC_MDC,
188 MX35_PAD_FEC_MDIO__FEC_MDIO,
189 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
190 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
191 MX35_PAD_FEC_CRS__FEC_CRS,
192 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
193 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
194 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
195 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
196 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
197 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
199 MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
200 MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
202 MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
203 MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
205 MX35_PAD_SD1_CMD__ESDHC1_CMD,
206 MX35_PAD_SD1_CLK__ESDHC1_CLK,
207 MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
208 MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
209 MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
210 MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
212 MX35_PAD_I2C1_CLK__I2C1_SCL,
213 MX35_PAD_I2C1_DAT__I2C1_SDA,
215 MX35_PAD_LD0__IPU_DISPB_DAT_0,
216 MX35_PAD_LD1__IPU_DISPB_DAT_1,
217 MX35_PAD_LD2__IPU_DISPB_DAT_2,
218 MX35_PAD_LD3__IPU_DISPB_DAT_3,
219 MX35_PAD_LD4__IPU_DISPB_DAT_4,
220 MX35_PAD_LD5__IPU_DISPB_DAT_5,
221 MX35_PAD_LD6__IPU_DISPB_DAT_6,
222 MX35_PAD_LD7__IPU_DISPB_DAT_7,
223 MX35_PAD_LD8__IPU_DISPB_DAT_8,
224 MX35_PAD_LD9__IPU_DISPB_DAT_9,
225 MX35_PAD_LD10__IPU_DISPB_DAT_10,
226 MX35_PAD_LD11__IPU_DISPB_DAT_11,
227 MX35_PAD_LD12__IPU_DISPB_DAT_12,
228 MX35_PAD_LD13__IPU_DISPB_DAT_13,
229 MX35_PAD_LD14__IPU_DISPB_DAT_14,
230 MX35_PAD_LD15__IPU_DISPB_DAT_15,
231 MX35_PAD_LD16__IPU_DISPB_DAT_16,
232 MX35_PAD_LD17__IPU_DISPB_DAT_17,
233 MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
234 MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
235 MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
236 MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
237 MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
238 MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
239 MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
241 MX35_PAD_TX1__IPU_CSI_D_6,
242 MX35_PAD_TX0__IPU_CSI_D_7,
243 MX35_PAD_CSI_D8__IPU_CSI_D_8,
244 MX35_PAD_CSI_D9__IPU_CSI_D_9,
245 MX35_PAD_CSI_D10__IPU_CSI_D_10,
246 MX35_PAD_CSI_D11__IPU_CSI_D_11,
247 MX35_PAD_CSI_D12__IPU_CSI_D_12,
248 MX35_PAD_CSI_D13__IPU_CSI_D_13,
249 MX35_PAD_CSI_D14__IPU_CSI_D_14,
250 MX35_PAD_CSI_D15__IPU_CSI_D_15,
251 MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC,
252 MX35_PAD_CSI_MCLK__IPU_CSI_MCLK,
253 MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK,
254 MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC,
260 static phys_addr_t mx3_camera_base __initdata;
261 #define MX35_3DS_CAMERA_BUF_SIZE SZ_8M
263 static const struct mx3_camera_pdata mx35_3ds_camera_pdata __initconst = {
264 .flags = MX3_CAMERA_DATAWIDTH_8,
268 static int __init imx35_3ds_init_camera(void)
270 int dma, ret = -ENOMEM;
271 struct platform_device *pdev =
272 imx35_alloc_mx3_camera(&mx35_3ds_camera_pdata);
275 return PTR_ERR(pdev);
277 if (!mx3_camera_base)
280 dma = dma_declare_coherent_memory(&pdev->dev,
281 mx3_camera_base, mx3_camera_base,
282 MX35_3DS_CAMERA_BUF_SIZE,
283 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
285 if (!(dma & DMA_MEMORY_MAP))
288 ret = platform_device_add(pdev);
291 platform_device_put(pdev);
296 static const struct ipu_platform_data mx35_3ds_ipu_data __initconst = {
297 .irq_base = MXC_IPU_IRQ_START,
300 static struct i2c_board_info mx35_3ds_i2c_camera = {
301 I2C_BOARD_INFO("ov2640", 0x30),
304 static struct soc_camera_link iclink_ov2640 = {
306 .board_info = &mx35_3ds_i2c_camera,
311 static struct platform_device mx35_3ds_ov2640 = {
312 .name = "soc-camera-pdrv",
315 .platform_data = &iclink_ov2640,
319 static int mx35_3ds_otg_init(struct platform_device *pdev)
321 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
325 static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
326 .operating_mode = FSL_USB2_DR_DEVICE,
327 .phy_mode = FSL_USB2_PHY_UTMI_WIDE,
328 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
330 * ENGCM09152 also requires a hardware change.
331 * Please check the MX35 Chip Errata document for details.
335 static struct mxc_usbh_platform_data otg_pdata __initdata = {
336 .init = mx35_3ds_otg_init,
337 .portsc = MXC_EHCI_MODE_UTMI,
340 static int mx35_3ds_usbh_init(struct platform_device *pdev)
342 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
343 MXC_EHCI_INTERNAL_PHY);
346 /* USB HOST config */
347 static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
348 .init = mx35_3ds_usbh_init,
349 .portsc = MXC_EHCI_MODE_SERIAL,
352 static int otg_mode_host;
354 static int __init mx35_3ds_otg_mode(char *options)
356 if (!strcmp(options, "host"))
358 else if (!strcmp(options, "device"))
361 pr_info("otg_mode neither \"host\" nor \"device\". "
362 "Defaulting to device\n");
365 __setup("otg_mode=", mx35_3ds_otg_mode);
367 static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
372 * Board specific initialization.
374 static void __init mx35_3ds_init(void)
376 struct platform_device *imx35_fb_pdev;
380 mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
383 imx35_add_imx2_wdt(NULL);
384 platform_add_devices(devices, ARRAY_SIZE(devices));
386 imx35_add_imx_uart0(&uart_pdata);
389 imx35_add_mxc_ehci_otg(&otg_pdata);
391 imx35_add_mxc_ehci_hs(&usb_host_pdata);
394 imx35_add_fsl_usb2_udc(&usb_otg_pdata);
396 imx35_add_mxc_nand(&mx35pdk_nand_board_info);
397 imx35_add_sdhci_esdhc_imx(0, NULL);
399 if (mxc_expio_init(MX35_CS5_BASE_ADDR, EXPIO_PARENT_INT))
400 pr_warn("Init of the debugboard failed, all "
401 "devices on the debugboard are unusable.\n");
402 imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
404 i2c_register_board_info(
405 0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds));
407 imx35_add_ipu_core(&mx35_3ds_ipu_data);
408 platform_device_register(&mx35_3ds_ov2640);
409 imx35_3ds_init_camera();
411 imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata);
412 mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev;
413 platform_device_register(&mx35_3ds_lcd);
416 static void __init mx35pdk_timer_init(void)
421 struct sys_timer mx35pdk_timer = {
422 .init = mx35pdk_timer_init,
425 static void __init mx35_3ds_reserve(void)
427 /* reserve MX35_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
428 mx3_camera_base = arm_memblock_steal(MX35_3DS_CAMERA_BUF_SIZE,
429 MX35_3DS_CAMERA_BUF_SIZE);
432 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
433 /* Maintainer: Freescale Semiconductor, Inc */
434 .atag_offset = 0x100,
435 .map_io = mx35_map_io,
436 .init_early = imx35_init_early,
437 .init_irq = mx35_init_irq,
438 .handle_irq = imx35_handle_irq,
439 .timer = &mx35pdk_timer,
440 .init_machine = mx35_3ds_init,
441 .reserve = mx35_3ds_reserve,
442 .restart = mxc_restart,