diff options
Diffstat (limited to 'arch/arm/mach-mx3/mach-mx31_3ds.c')
| -rw-r--r-- | arch/arm/mach-mx3/mach-mx31_3ds.c | 466 |
1 files changed, 424 insertions, 42 deletions
diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c index 0d65db885be..034be624d35 100644 --- a/arch/arm/mach-mx3/mach-mx31_3ds.c +++ b/arch/arm/mach-mx3/mach-mx31_3ds.c @@ -21,9 +21,13 @@ #include <linux/platform_device.h> #include <linux/mfd/mc13783.h> #include <linux/spi/spi.h> +#include <linux/spi/l4f00242t03.h> #include <linux/regulator/machine.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> +#include <linux/memblock.h> + +#include <media/soc_camera.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -35,6 +39,10 @@ #include <mach/iomux-mx3.h> #include <mach/3ds_debugboard.h> #include <mach/ulpi.h> +#include <mach/mmc.h> +#include <mach/ipu.h> +#include <mach/mx3fb.h> +#include <mach/mx3_camera.h> #include "devices-imx31.h" #include "devices.h" @@ -42,10 +50,6 @@ /* CPLD IRQ line for external uart, external ethernet etc */ #define EXPIO_PARENT_INT IOMUX_TO_IRQ(MX31_PIN_GPIO1_1) -/* - * This file contains the board-specific initialization routines. - */ - static int mx31_3ds_pins[] = { /* UART1 */ MX31_PIN_CTS1__CTS1, @@ -53,6 +57,12 @@ static int mx31_3ds_pins[] = { MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), + /*SPI0*/ + MX31_PIN_CSPI1_SCLK__SCLK, + MX31_PIN_CSPI1_MOSI__MOSI, + MX31_PIN_CSPI1_MISO__MISO, + MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI1_SS2__SS2, /* CS for LCD */ /* SPI 1 */ MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_MOSI__MOSI, @@ -100,6 +110,252 @@ static int mx31_3ds_pins[] = { IOMUX_MODE(MX31_PIN_PC_RW_B, IOMUX_CONFIG_ALT1), /* USB Host2 reset */ IOMUX_MODE(MX31_PIN_USB_BYP, IOMUX_CONFIG_GPIO), + /* I2C1 */ + MX31_PIN_I2C_CLK__I2C1_SCL, + MX31_PIN_I2C_DAT__I2C1_SDA, + /* SDHC1 */ + MX31_PIN_SD1_DATA3__SD1_DATA3, + MX31_PIN_SD1_DATA2__SD1_DATA2, + MX31_PIN_SD1_DATA1__SD1_DATA1, + MX31_PIN_SD1_DATA0__SD1_DATA0, + MX31_PIN_SD1_CLK__SD1_CLK, + MX31_PIN_SD1_CMD__SD1_CMD, + MX31_PIN_GPIO3_1__GPIO3_1, /* Card detect */ + MX31_PIN_GPIO3_0__GPIO3_0, /* OE */ + /* Framebuffer */ + MX31_PIN_LD0__LD0, + MX31_PIN_LD1__LD1, + MX31_PIN_LD2__LD2, + MX31_PIN_LD3__LD3, + MX31_PIN_LD4__LD4, + MX31_PIN_LD5__LD5, + MX31_PIN_LD6__LD6, + MX31_PIN_LD7__LD7, + MX31_PIN_LD8__LD8, + MX31_PIN_LD9__LD9, + MX31_PIN_LD10__LD10, + MX31_PIN_LD11__LD11, + MX31_PIN_LD12__LD12, + MX31_PIN_LD13__LD13, + MX31_PIN_LD14__LD14, + MX31_PIN_LD15__LD15, + MX31_PIN_LD16__LD16, + MX31_PIN_LD17__LD17, + MX31_PIN_VSYNC3__VSYNC3, + MX31_PIN_HSYNC__HSYNC, + MX31_PIN_FPSHIFT__FPSHIFT, + MX31_PIN_CONTRAST__CONTRAST, + /* CSI */ + MX31_PIN_CSI_D6__CSI_D6, + MX31_PIN_CSI_D7__CSI_D7, + MX31_PIN_CSI_D8__CSI_D8, + MX31_PIN_CSI_D9__CSI_D9, + MX31_PIN_CSI_D10__CSI_D10, + MX31_PIN_CSI_D11__CSI_D11, + MX31_PIN_CSI_D12__CSI_D12, + MX31_PIN_CSI_D13__CSI_D13, + MX31_PIN_CSI_D14__CSI_D14, + MX31_PIN_CSI_D15__CSI_D15, + MX31_PIN_CSI_HSYNC__CSI_HSYNC, + MX31_PIN_CSI_MCLK__CSI_MCLK, + MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, + MX31_PIN_CSI_VSYNC__CSI_VSYNC, + MX31_PIN_CSI_D5__GPIO3_5, /* CMOS PWDN */ + IOMUX_MODE(MX31_PIN_RI_DTE1, IOMUX_CONFIG_GPIO), /* CMOS reset */ +}; + +/* + * Camera support + */ +static phys_addr_t mx3_camera_base __initdata; +#define MX31_3DS_CAMERA_BUF_SIZE SZ_8M + +#define MX31_3DS_GPIO_CAMERA_PW IOMUX_TO_GPIO(MX31_PIN_CSI_D5) +#define MX31_3DS_GPIO_CAMERA_RST IOMUX_TO_GPIO(MX31_PIN_RI_DTE1) + +static struct gpio mx31_3ds_camera_gpios[] = { + { MX31_3DS_GPIO_CAMERA_PW, GPIOF_OUT_INIT_HIGH, "camera-power" }, + { MX31_3DS_GPIO_CAMERA_RST, GPIOF_OUT_INIT_HIGH, "camera-reset" }, +}; + +static int __init mx31_3ds_camera_alloc_dma(void) +{ + int dma; + + if (!mx3_camera_base) + return -ENOMEM; + + dma = dma_declare_coherent_memory(&mx3_camera.dev, + mx3_camera_base, mx3_camera_base, + MX31_3DS_CAMERA_BUF_SIZE, + DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); + + if (!(dma & DMA_MEMORY_MAP)) + return -ENOMEM; + + return 0; +} + +static int mx31_3ds_camera_power(struct device *dev, int on) +{ + /* enable or disable the camera */ + pr_debug("%s: %s the camera\n", __func__, on ? "ENABLE" : "DISABLE"); + gpio_set_value(MX31_3DS_GPIO_CAMERA_PW, on ? 0 : 1); + + if (!on) + goto out; + + /* If enabled, give a reset impulse */ + gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 0); + msleep(20); + gpio_set_value(MX31_3DS_GPIO_CAMERA_RST, 1); + msleep(100); + +out: + return 0; +} + +static struct i2c_board_info mx31_3ds_i2c_camera = { + I2C_BOARD_INFO("ov2640", 0x30), +}; + +static struct regulator_bulk_data mx31_3ds_camera_regs[] = { + { .supply = "cmos_vcore" }, + { .supply = "cmos_2v8" }, +}; + +static struct soc_camera_link iclink_ov2640 = { + .bus_id = 0, + .board_info = &mx31_3ds_i2c_camera, + .i2c_adapter_id = 0, + .power = mx31_3ds_camera_power, + .regulators = mx31_3ds_camera_regs, + .num_regulators = ARRAY_SIZE(mx31_3ds_camera_regs), +}; + +static struct platform_device mx31_3ds_ov2640 = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &iclink_ov2640, + }, +}; + +struct mx3_camera_pdata mx31_3ds_camera_pdata = { + .dma_dev = &mx3_ipu.dev, + .flags = MX3_CAMERA_DATAWIDTH_10, + .mclk_10khz = 2600, +}; + +/* + * FB support + */ +static const struct fb_videomode fb_modedb[] = { + { /* 480x640 @ 60 Hz */ + .name = "Epson-VGA", + .refresh = 60, + .xres = 480, + .yres = 640, + .pixclock = 41701, + .left_margin = 20, + .right_margin = 41, + .upper_margin = 10, + .lower_margin = 5, + .hsync_len = 20, + .vsync_len = 10, + .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_CLK_INVERT, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, +}; + +static struct ipu_platform_data mx3_ipu_data = { + .irq_base = MXC_IPU_IRQ_START, +}; + +static struct mx3fb_platform_data mx3fb_pdata = { + .dma_dev = &mx3_ipu.dev, + .name = "Epson-VGA", + .mode = fb_modedb, + .num_modes = ARRAY_SIZE(fb_modedb), +}; + +/* LCD */ +static struct l4f00242t03_pdata mx31_3ds_l4f00242t03_pdata = { + .reset_gpio = IOMUX_TO_GPIO(MX31_PIN_LCS1), + .data_enable_gpio = IOMUX_TO_GPIO(MX31_PIN_SER_RS), + .core_supply = "lcd_2v8", + .io_supply = "vdd_lcdio", +}; + +/* + * Support for SD card slot in personality board + */ +#define MX31_3DS_GPIO_SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_GPIO3_1) +#define MX31_3DS_GPIO_SDHC1_BE IOMUX_TO_GPIO(MX31_PIN_GPIO3_0) + +static struct gpio mx31_3ds_sdhc1_gpios[] = { + { MX31_3DS_GPIO_SDHC1_CD, GPIOF_IN, "sdhc1-card-detect" }, + { MX31_3DS_GPIO_SDHC1_BE, GPIOF_OUT_INIT_LOW, "sdhc1-bus-en" }, +}; + +static int mx31_3ds_sdhc1_init(struct device *dev, + irq_handler_t detect_irq, + void *data) +{ + int ret; + + ret = gpio_request_array(mx31_3ds_sdhc1_gpios, + ARRAY_SIZE(mx31_3ds_sdhc1_gpios)); + if (ret) { + pr_warning("Unable to request the SD/MMC GPIOs.\n"); + return ret; + } + + ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), + detect_irq, IRQF_DISABLED | + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, + "sdhc1-detect", data); + if (ret) { + pr_warning("Unable to request the SD/MMC card-detect IRQ.\n"); + goto gpio_free; + } + + return 0; + +gpio_free: + gpio_free_array(mx31_3ds_sdhc1_gpios, + ARRAY_SIZE(mx31_3ds_sdhc1_gpios)); + return ret; +} + +static void mx31_3ds_sdhc1_exit(struct device *dev, void *data) +{ + free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO3_1), data); + gpio_free_array(mx31_3ds_sdhc1_gpios, + ARRAY_SIZE(mx31_3ds_sdhc1_gpios)); +} + +static void mx31_3ds_sdhc1_setpower(struct device *dev, unsigned int vdd) +{ + /* + * While the voltage stuff is done by the driver, activate the + * Buffer Enable Pin only if there is a card in slot to fix the card + * voltage issue caused by bi-directional chip TXB0108 on 3Stack. + * Done here because at this stage we have for sure a debounced value + * of the presence of the card, showed by the value of vdd. + * 7 == ilog2(MMC_VDD_165_195) + */ + if (vdd > 7) + gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 1); + else + gpio_set_value(MX31_3DS_GPIO_SDHC1_BE, 0); +} + +static struct imxmmc_platform_data sdhc1_pdata = { + .init = mx31_3ds_sdhc1_init, + .exit = mx31_3ds_sdhc1_exit, + .setpower = mx31_3ds_sdhc1_setpower, }; /* @@ -138,7 +394,71 @@ static struct regulator_init_data gpo_init = { } }; -static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { +static struct regulator_consumer_supply vmmc2_consumers[] = { + REGULATOR_SUPPLY("vmmc", "mxc-mmc.0"), +}; + +static struct regulator_init_data vmmc2_init = { + .constraints = { + .min_uV = 3000000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(vmmc2_consumers), + .consumer_supplies = vmmc2_consumers, +}; + +static struct regulator_consumer_supply vmmc1_consumers[] = { + REGULATOR_SUPPLY("lcd_2v8", NULL), + REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"), +}; + +static struct regulator_init_data vmmc1_init = { + .constraints = { + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers), + .consumer_supplies = vmmc1_consumers, +}; + +static struct regulator_consumer_supply vgen_consumers[] = { + REGULATOR_SUPPLY("vdd_lcdio", NULL), +}; + +static struct regulator_init_data vgen_init = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(vgen_consumers), + .consumer_supplies = vgen_consumers, +}; + +static struct regulator_consumer_supply vvib_consumers[] = { + REGULATOR_SUPPLY("cmos_vcore", "soc-camera-pdrv.0"), +}; + +static struct regulator_init_data vvib_init = { + .constraints = { + .min_uV = 1300000, + .max_uV = 1300000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(vvib_consumers), + .consumer_supplies = vvib_consumers, +}; + +static struct mc13xxx_regulator_init_data mx31_3ds_regulators[] = { { .id = MC13783_REG_PWGT1SPI, /* Power Gate for ARM core. */ .init_data = &pwgtx_init, @@ -152,17 +472,40 @@ static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { }, { .id = MC13783_REG_GPO3, /* Turn on 3.3V */ .init_data = &gpo_init, + }, { + .id = MC13783_REG_VMMC2, /* Power MMC/SD, WiFi/Bluetooth. */ + .init_data = &vmmc2_init, + }, { + .id = MC13783_REG_VMMC1, /* Power LCD, CMOS, FM, GPS, Accel. */ + .init_data = &vmmc1_init, + }, { + .id = MC13783_REG_VGEN, /* Power LCD */ + .init_data = &vgen_init, + }, { + .id = MC13783_REG_VVIB, /* Power CMOS */ + .init_data = &vvib_init, }, }; /* MC13783 */ -static struct mc13783_platform_data mc13783_pdata __initdata = { - .regulators = mx31_3ds_regulators, - .num_regulators = ARRAY_SIZE(mx31_3ds_regulators), +static struct mc13xxx_platform_data mc13783_pdata = { + .regulators = { + .regulators = mx31_3ds_regulators, + .num_regulators = ARRAY_SIZE(mx31_3ds_regulators), + }, .flags = MC13783_USE_REGULATOR | MC13783_USE_TOUCHSCREEN, }; /* SPI */ +static int spi0_internal_chipselect[] = { + MXC_SPI_CS(2), +}; + +static const struct spi_imx_master spi0_pdata __initconst = { + .chipselect = spi0_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi0_internal_chipselect), +}; + static int spi1_internal_chipselect[] = { MXC_SPI_CS(0), MXC_SPI_CS(2), @@ -182,6 +525,12 @@ static struct spi_board_info mx31_3ds_spi_devs[] __initdata = { .platform_data = &mc13783_pdata, .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), .mode = SPI_CS_HIGH, + }, { + .modalias = "l4f00242t03", + .max_speed_hz = 5000000, + .bus_num = 0, + .chip_select = 0, /* SS2 */ + .platform_data = &mx31_3ds_l4f00242t03_pdata, }, }; @@ -245,6 +594,11 @@ usbotg_free_reset: return err; } +static int mx31_3ds_otg_init(struct platform_device *pdev) +{ + return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); +} + static int mx31_3ds_host2_init(struct platform_device *pdev) { int err; @@ -276,25 +630,25 @@ static int mx31_3ds_host2_init(struct platform_device *pdev) mdelay(1); gpio_set_value(USBH2_RST_B, 1); - return 0; + + mdelay(10); + + return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED); usbotg_free_reset: gpio_free(USBH2_RST_B); return err; } -#if defined(CONFIG_USB_ULPI) static struct mxc_usbh_platform_data otg_pdata __initdata = { + .init = mx31_3ds_otg_init, .portsc = MXC_EHCI_MODE_ULPI, - .flags = MXC_EHCI_POWER_PINS_ENABLED, }; static struct mxc_usbh_platform_data usbh2_pdata __initdata = { .init = mx31_3ds_host2_init, .portsc = MXC_EHCI_MODE_ULPI, - .flags = MXC_EHCI_POWER_PINS_ENABLED, }; -#endif static const struct fsl_usb2_platform_data usbotg_pdata __initconst = { .operating_mode = FSL_USB2_DR_DEVICE, @@ -320,19 +674,18 @@ static const struct imxuart_platform_data uart_pdata __initconst = { .flags = IMXUART_HAVE_RTSCTS, }; -/* - * Set up static virtual mappings. - */ -static void __init mx31_3ds_map_io(void) -{ - mx31_map_io(); -} +static const struct imxi2c_platform_data mx31_3ds_i2c0_data __initconst = { + .bitrate = 100000, +}; -/*! - * Board specific initialization. - */ -static void __init mxc_board_init(void) +static struct platform_device *devices[] __initdata = { + &mx31_3ds_ov2640, +}; + +static void __init mx31_3ds_init(void) { + int ret; + mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins), "mx31_3ds"); @@ -343,20 +696,22 @@ static void __init mxc_board_init(void) spi_register_board_info(mx31_3ds_spi_devs, ARRAY_SIZE(mx31_3ds_spi_devs)); + platform_add_devices(devices, ARRAY_SIZE(devices)); + imx31_add_imx_keypad(&mx31_3ds_keymap_data); mx31_3ds_usbotg_init(); -#if defined(CONFIG_USB_ULPI) if (otg_mode_host) { - otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, - ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); - - imx31_add_mxc_ehci_otg(&otg_pdata); + otg_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | + ULPI_OTG_DRVVBUS_EXT); + if (otg_pdata.otg) + imx31_add_mxc_ehci_otg(&otg_pdata); } - usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, - ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); - imx31_add_mxc_ehci_hs(2, &usbh2_pdata); -#endif + usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS | + ULPI_OTG_DRVVBUS_EXT); + if (usbh2_pdata.otg) + imx31_add_mxc_ehci_hs(2, &usbh2_pdata); + if (!otg_mode_host) imx31_add_fsl_usb2_udc(&usbotg_pdata); @@ -364,6 +719,26 @@ static void __init mxc_board_init(void) printk(KERN_WARNING "Init of the debug board failed, all " "devices on the debug board are unusable.\n"); imx31_add_imx2_wdt(NULL); + imx31_add_imx_i2c0(&mx31_3ds_i2c0_data); + imx31_add_mxc_mmc(0, &sdhc1_pdata); + + imx31_add_spi_imx0(&spi0_pdata); + mxc_register_device(&mx3_ipu, &mx3_ipu_data); + mxc_register_device(&mx3_fb, &mx3fb_pdata); + + /* CSI */ + /* Camera power: default - off */ + ret = gpio_request_array(mx31_3ds_camera_gpios, + ARRAY_SIZE(mx31_3ds_camera_gpios)); + if (ret) { + pr_err("Failed to request camera gpios"); + iclink_ov2640.power = NULL; + } + + if (!mx31_3ds_camera_alloc_dma()) + mxc_register_device(&mx3_camera, &mx31_3ds_camera_pdata); + else + pr_err("Failed to allocate dma memory for camera"); } static void __init mx31_3ds_timer_init(void) @@ -375,15 +750,22 @@ static struct sys_timer mx31_3ds_timer = { .init = mx31_3ds_timer_init, }; -/* - * The following uses standard kernel macros defined in arch.h in order to - * initialize __mach_desc_MX31_3DS data structure. - */ +static void __init mx31_3ds_reserve(void) +{ + /* reserve MX31_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */ + mx3_camera_base = memblock_alloc(MX31_3DS_CAMERA_BUF_SIZE, + MX31_3DS_CAMERA_BUF_SIZE); + memblock_free(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE); + memblock_remove(mx3_camera_base, MX31_3DS_CAMERA_BUF_SIZE); +} + MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") /* Maintainer: Freescale Semiconductor, Inc. */ - .boot_params = MX3x_PHYS_OFFSET + 0x100, - .map_io = mx31_3ds_map_io, - .init_irq = mx31_init_irq, - .init_machine = mxc_board_init, - .timer = &mx31_3ds_timer, + .boot_params = MX3x_PHYS_OFFSET + 0x100, + .map_io = mx31_map_io, + .init_early = imx31_init_early, + .init_irq = mx31_init_irq, + .timer = &mx31_3ds_timer, + .init_machine = mx31_3ds_init, + .reserve = mx31_3ds_reserve, MACHINE_END |