/* * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved. * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix * * Author: Fabio Estevam <fabio.estevam@freescale.com> * * Copyright (C) 2011 Meprolight, Ltd. * Alex Gershgorin <alexg@meprolight.com> * * Modified from i.MX31 3-Stack Development System * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ /* * This machine is known as: * - i.MX35 3-Stack Development System * - i.MX35 Platform Development Kit (i.MX35 PDK) */ #include <linux/types.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/memory.h> #include <linux/gpio.h> #include <linux/usb/otg.h> #include <linux/mtd/physmap.h> #include <linux/mfd/mc13892.h> #include <linux/regulator/machine.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/mach/map.h> #include <asm/memblock.h> #include <video/platform_lcd.h> #include <media/soc_camera.h> #include "3ds_debugboard.h" #include "common.h" #include "devices-imx35.h" #include "ehci.h" #include "hardware.h" #include "iomux-mx35.h" #define GPIO_MC9S08DZ60_GPS_ENABLE 0 #define GPIO_MC9S08DZ60_HDD_ENABLE 4 #define GPIO_MC9S08DZ60_WIFI_ENABLE 5 #define GPIO_MC9S08DZ60_LCD_ENABLE 6 #define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8 static const struct fb_videomode fb_modedb[] = { { /* 800x480 @ 55 Hz */ .name = "Ceramate-CLAA070VC01", .refresh = 55, .xres = 800, .yres = 480, .pixclock = 40000, .left_margin = 40, .right_margin = 40, .upper_margin = 5, .lower_margin = 5, .hsync_len = 20, .vsync_len = 10, .sync = FB_SYNC_OE_ACT_HIGH, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }, }; static struct mx3fb_platform_data mx3fb_pdata __initdata = { .name = "Ceramate-CLAA070VC01", .mode = fb_modedb, .num_modes = ARRAY_SIZE(fb_modedb), }; static struct i2c_board_info __initdata i2c_devices_3ds[] = { { I2C_BOARD_INFO("mc9s08dz60", 0x69), }, }; static int lcd_power_gpio = -ENXIO; static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data) { return !strcmp(chip->label, data); } static void mx35_3ds_lcd_set_power( struct plat_lcd_data *pd, unsigned int power) { struct gpio_chip *chip; if (!gpio_is_valid(lcd_power_gpio)) { chip = gpiochip_find( "mc9s08dz60", mc9s08dz60_gpiochip_match); if (chip) { lcd_power_gpio = chip->base + GPIO_MC9S08DZ60_LCD_ENABLE; if (gpio_request(lcd_power_gpio, "lcd_power") < 0) { pr_err("error: gpio already requested!\n"); lcd_power_gpio = -ENXIO; } } else { pr_err("error: didn't find mc9s08dz60 gpio chip\n"); } } if (gpio_is_valid(lcd_power_gpio)) gpio_set_value_cansleep(lcd_power_gpio, power); } static struct plat_lcd_data mx35_3ds_lcd_data = { .set_power = mx35_3ds_lcd_set_power, }; static struct platform_device mx35_3ds_lcd = { .name = "platform-lcd", .dev.platform_data = &mx35_3ds_lcd_data, }; static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; static struct physmap_flash_data mx35pdk_flash_data = { .width = 2, }; static struct resource mx35pdk_flash_resource = { .start = MX35_CS0_BASE_ADDR, .end = MX35_CS0_BASE_ADDR + SZ_64M - 1, .flags = IORESOURCE_MEM, }; static struct platform_device mx35pdk_flash = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &mx35pdk_flash_data, }, .resource = &mx35pdk_flash_resource, .num_resources = 1, }; static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = { .width = 1, .hw_ecc = 1, .flash_bbt = 1, }; static struct platform_device *devices[] __initdata = { &mx35pdk_flash, }; static const iomux_v3_cfg_t mx35pdk_pads[] __initconst = { /* UART1 */ MX35_PAD_CTS1__UART1_CTS, MX35_PAD_RTS1__UART1_RTS, MX35_PAD_TXD1__UART1_TXD_MUX, MX35_PAD_RXD1__UART1_RXD_MUX, /* FEC */ MX35_PAD_FEC_TX_CLK__FEC_TX_CLK, MX35_PAD_FEC_RX_CLK__FEC_RX_CLK, MX35_PAD_FEC_RX_DV__FEC_RX_DV, MX35_PAD_FEC_COL__FEC_COL, MX35_PAD_FEC_RDATA0__FEC_RDATA_0, MX35_PAD_FEC_TDATA0__FEC_TDATA_0, MX35_PAD_FEC_TX_EN__FEC_TX_EN, MX35_PAD_FEC_MDC__FEC_MDC, MX35_PAD_FEC_MDIO__FEC_MDIO, MX35_PAD_FEC_TX_ERR__FEC_TX_ERR, MX35_PAD_FEC_RX_ERR__FEC_RX_ERR, MX35_PAD_FEC_CRS__FEC_CRS, MX35_PAD_FEC_RDATA1__FEC_RDATA_1, MX35_PAD_FEC_TDATA1__FEC_TDATA_1, MX35_PAD_FEC_RDATA2__FEC_RDATA_2, MX35_PAD_FEC_TDATA2__FEC_TDATA_2, MX35_PAD_FEC_RDATA3__FEC_RDATA_3, MX35_PAD_FEC_TDATA3__FEC_TDATA_3, /* USBOTG */ MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR, MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC, /* USBH1 */ MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR, MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC, /* SDCARD */ MX35_PAD_SD1_CMD__ESDHC1_CMD, MX35_PAD_SD1_CLK__ESDHC1_CLK, MX35_PAD_SD1_DATA0__ESDHC1_DAT0, MX35_PAD_SD1_DATA1__ESDHC1_DAT1, MX35_PAD_SD1_DATA2__ESDHC1_DAT2, MX35_PAD_SD1_DATA3__ESDHC1_DAT3, /* I2C1 */ MX35_PAD_I2C1_CLK__I2C1_SCL, MX35_PAD_I2C1_DAT__I2C1_SDA, /* Display */ MX35_PAD_LD0__IPU_DISPB_DAT_0, MX35_PAD_LD1__IPU_DISPB_DAT_1, MX35_PAD_LD2__IPU_DISPB_DAT_2, MX35_PAD_LD3__IPU_DISPB_DAT_3, MX35_PAD_LD4__IPU_DISPB_DAT_4, MX35_PAD_LD5__IPU_DISPB_DAT_5, MX35_PAD_LD6__IPU_DISPB_DAT_6, MX35_PAD_LD7__IPU_DISPB_DAT_7, MX35_PAD_LD8__IPU_DISPB_DAT_8, MX35_PAD_LD9__IPU_DISPB_DAT_9, MX35_PAD_LD10__IPU_DISPB_DAT_10, MX35_PAD_LD11__IPU_DISPB_DAT_11, MX35_PAD_LD12__IPU_DISPB_DAT_12, MX35_PAD_LD13__IPU_DISPB_DAT_13, MX35_PAD_LD14__IPU_DISPB_DAT_14, MX35_PAD_LD15__IPU_DISPB_DAT_15, MX35_PAD_LD16__IPU_DISPB_DAT_16, MX35_PAD_LD17__IPU_DISPB_DAT_17, MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC, MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK, MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY, MX35_PAD_CONTRAST__IPU_DISPB_CONTR, MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC, MX35_PAD_D3_REV__IPU_DISPB_D3_REV, MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS, /* CSI */ MX35_PAD_TX1__IPU_CSI_D_6, MX35_PAD_TX0__IPU_CSI_D_7, MX35_PAD_CSI_D8__IPU_CSI_D_8, MX35_PAD_CSI_D9__IPU_CSI_D_9, MX35_PAD_CSI_D10__IPU_CSI_D_10, MX35_PAD_CSI_D11__IPU_CSI_D_11, MX35_PAD_CSI_D12__IPU_CSI_D_12, MX35_PAD_CSI_D13__IPU_CSI_D_13, MX35_PAD_CSI_D14__IPU_CSI_D_14, MX35_PAD_CSI_D15__IPU_CSI_D_15, MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC, MX35_PAD_CSI_MCLK__IPU_CSI_MCLK, MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK, MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC, /*PMIC IRQ*/ MX35_PAD_GPIO2_0__GPIO2_0, }; /* * Camera support */ static phys_addr_t mx3_camera_base __initdata; #define MX35_3DS_CAMERA_BUF_SIZE SZ_8M static const struct mx3_camera_pdata mx35_3ds_camera_pdata __initconst = { .flags = MX3_CAMERA_DATAWIDTH_8, .mclk_10khz = 2000, }; static int __init imx35_3ds_init_camera(void) { int dma, ret = -ENOMEM; struct platform_device *pdev = imx35_alloc_mx3_camera(&mx35_3ds_camera_pdata); if (IS_ERR(pdev)) return PTR_ERR(pdev); if (!mx3_camera_base) goto err; dma = dma_declare_coherent_memory(&pdev->dev, mx3_camera_base, mx3_camera_base, MX35_3DS_CAMERA_BUF_SIZE, DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); if (!(dma & DMA_MEMORY_MAP)) goto err; ret = platform_device_add(pdev); if (ret) err: platform_device_put(pdev); return ret; } static struct i2c_board_info mx35_3ds_i2c_camera = { I2C_BOARD_INFO("ov2640", 0x30), }; static struct soc_camera_link iclink_ov2640 = { .bus_id = 0, .board_info = &mx35_3ds_i2c_camera, .i2c_adapter_id = 0, .power = NULL, }; static struct platform_device mx35_3ds_ov2640 = { .name = "soc-camera-pdrv", .id = 0, .dev = { .platform_data = &iclink_ov2640, }, }; static struct regulator_consumer_supply sw1_consumers[] = { { .supply = "cpu_vcc", } }; static struct regulator_consumer_supply vcam_consumers[] = { /* sgtl5000 */ REGULATOR_SUPPLY("VDDA", "0-000a"), }; static struct regulator_consumer_supply vaudio_consumers[] = { REGULATOR_SUPPLY("cmos_vio", "soc-camera-pdrv.0"), }; static struct regulator_init_data sw1_init = { .constraints = { .name = "SW1", .min_uV = 600000, .max_uV = 1375000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .valid_modes_mask = 0, .always_on = 1, .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(sw1_consumers), .consumer_supplies = sw1_consumers, }; static struct regulator_init_data sw2_init = { .constraints = { .name = "SW2", .always_on = 1, .boot_on = 1, } }; static struct regulator_init_data sw3_init = { .constraints = { .name = "SW3", .always_on = 1, .boot_on = 1, } }; static struct regulator_init_data sw4_init = { .constraints = { .name = "SW4", .always_on = 1, .boot_on = 1, } }; static struct regulator_init_data viohi_init = { .constraints = { .name = "VIOHI", .boot_on = 1, } }; static struct regulator_init_data vusb_init = { .constraints = { .name = "VUSB", .boot_on = 1, } }; static struct regulator_init_data vdig_init = { .constraints = { .name = "VDIG", .boot_on = 1, } }; static struct regulator_init_data vpll_init = { .constraints = { .name = "VPLL", .boot_on = 1, } }; static struct regulator_init_data vusb2_init = { .constraints = { .name = "VUSB2", .boot_on = 1, } }; static struct regulator_init_data vvideo_init = { .constraints = { .name = "VVIDEO", .boot_on = 1 } }; static struct regulator_init_data vaudio_init = { .constraints = { .name = "VAUDIO", .min_uV = 2300000, .max_uV = 3000000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, .boot_on = 1 }, .num_consumer_supplies = ARRAY_SIZE(vaudio_consumers), .consumer_supplies = vaudio_consumers, }; static struct regulator_init_data vcam_init = { .constraints = { .name = "VCAM", .min_uV = 2500000, .max_uV = 3000000, .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_MODE, .valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL, .boot_on = 1 }, .num_consumer_supplies = ARRAY_SIZE(vcam_consumers), .consumer_supplies = vcam_consumers, }; static struct regulator_init_data vgen1_init = { .constraints = { .name = "VGEN1", } }; static struct regulator_init_data vgen2_init = { .constraints = { .name = "VGEN2", .boot_on = 1, } }; static struct regulator_init_data vgen3_init = { .constraints = { .name = "VGEN3", } }; static struct mc13xxx_regulator_init_data mx35_3ds_regulators[] = { { .id = MC13892_SW1, .init_data = &sw1_init }, { .id = MC13892_SW2, .init_data = &sw2_init }, { .id = MC13892_SW3, .init_data = &sw3_init }, { .id = MC13892_SW4, .init_data = &sw4_init }, { .id = MC13892_VIOHI, .init_data = &viohi_init }, { .id = MC13892_VPLL, .init_data = &vpll_init }, { .id = MC13892_VDIG, .init_data = &vdig_init }, { .id = MC13892_VUSB2, .init_data = &vusb2_init }, { .id = MC13892_VVIDEO, .init_data = &vvideo_init }, { .id = MC13892_VAUDIO, .init_data = &vaudio_init }, { .id = MC13892_VCAM, .init_data = &vcam_init }, { .id = MC13892_VGEN1, .init_data = &vgen1_init }, { .id = MC13892_VGEN2, .init_data = &vgen2_init }, { .id = MC13892_VGEN3, .init_data = &vgen3_init }, { .id = MC13892_VUSB, .init_data = &vusb_init }, }; static struct mc13xxx_platform_data mx35_3ds_mc13892_data = { .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN, .regulators = { .num_regulators = ARRAY_SIZE(mx35_3ds_regulators), .regulators = mx35_3ds_regulators, }, }; #define GPIO_PMIC_INT IMX_GPIO_NR(2, 0) static struct i2c_board_info mx35_3ds_i2c_mc13892 = { I2C_BOARD_INFO("mc13892", 0x08), .platform_data = &mx35_3ds_mc13892_data, /* irq number is run-time assigned */ }; static void __init imx35_3ds_init_mc13892(void) { int ret = gpio_request_one(GPIO_PMIC_INT, GPIOF_DIR_IN, "pmic irq"); if (ret) { pr_err("failed to get pmic irq: %d\n", ret); return; } mx35_3ds_i2c_mc13892.irq = gpio_to_irq(GPIO_PMIC_INT); i2c_register_board_info(0, &mx35_3ds_i2c_mc13892, 1); } static int mx35_3ds_otg_init(struct platform_device *pdev) { return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY); } /* OTG config */ static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = { .operating_mode = FSL_USB2_DR_DEVICE, .phy_mode = FSL_USB2_PHY_UTMI_WIDE, .workaround = FLS_USB2_WORKAROUND_ENGCM09152, /* * ENGCM09152 also requires a hardware change. * Please check the MX35 Chip Errata document for details. */ }; static struct mxc_usbh_platform_data otg_pdata __initdata = { .init = mx35_3ds_otg_init, .portsc = MXC_EHCI_MODE_UTMI, }; static int mx35_3ds_usbh_init(struct platform_device *pdev) { return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY); } /* USB HOST config */ static const struct mxc_usbh_platform_data usb_host_pdata __initconst = { .init = mx35_3ds_usbh_init, .portsc = MXC_EHCI_MODE_SERIAL, }; static bool otg_mode_host __initdata; static int __init mx35_3ds_otg_mode(char *options) { if (!strcmp(options, "host")) otg_mode_host = true; else if (!strcmp(options, "device")) otg_mode_host = false; else pr_info("otg_mode neither \"host\" nor \"device\". " "Defaulting to device\n"); return 1; } __setup("otg_mode=", mx35_3ds_otg_mode); static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = { .bitrate = 100000, }; /* * Board specific initialization. */ static void __init mx35_3ds_init(void) { struct platform_device *imx35_fb_pdev; imx35_soc_init(); mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads)); imx35_add_fec(NULL); imx35_add_imx2_wdt(); imx35_add_mxc_rtc(); platform_add_devices(devices, ARRAY_SIZE(devices)); imx35_add_imx_uart0(&uart_pdata); if (otg_mode_host) imx35_add_mxc_ehci_otg(&otg_pdata); imx35_add_mxc_ehci_hs(&usb_host_pdata); if (!otg_mode_host) imx35_add_fsl_usb2_udc(&usb_otg_pdata); imx35_add_mxc_nand(&mx35pdk_nand_board_info); imx35_add_sdhci_esdhc_imx(0, NULL); if (mxc_expio_init(MX35_CS5_BASE_ADDR, IMX_GPIO_NR(1, 1))) pr_warn("Init of the debugboard failed, all " "devices on the debugboard are unusable.\n"); imx35_add_imx_i2c0(&mx35_3ds_i2c0_data); i2c_register_board_info( 0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds)); imx35_add_ipu_core(); platform_device_register(&mx35_3ds_ov2640); imx35_3ds_init_camera(); imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata); mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev; platform_device_register(&mx35_3ds_lcd); imx35_3ds_init_mc13892(); } static void __init mx35pdk_timer_init(void) { mx35_clocks_init(); } static void __init mx35_3ds_reserve(void) { /* reserve MX35_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */ mx3_camera_base = arm_memblock_steal(MX35_3DS_CAMERA_BUF_SIZE, MX35_3DS_CAMERA_BUF_SIZE); } MACHINE_START(MX35_3DS, "Freescale MX35PDK") /* Maintainer: Freescale Semiconductor, Inc */ .atag_offset = 0x100, .map_io = mx35_map_io, .init_early = imx35_init_early, .init_irq = mx35_init_irq, .init_time = mx35pdk_timer_init, .init_machine = mx35_3ds_init, .reserve = mx35_3ds_reserve, .restart = mxc_restart, MACHINE_END