diff options
Diffstat (limited to 'kernel/arch/arm/mach-imx/mach-mx35_3ds.c')
| -rw-r--r-- | kernel/arch/arm/mach-imx/mach-mx35_3ds.c | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-imx/mach-mx35_3ds.c b/kernel/arch/arm/mach-imx/mach-mx35_3ds.c new file mode 100644 index 000000000..7e315f006 --- /dev/null +++ b/kernel/arch/arm/mach-imx/mach-mx35_3ds.c @@ -0,0 +1,623 @@ +/* + * 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 |