diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx27_3ds.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mx27_3ds.c | 163 |
1 files changed, 142 insertions, 21 deletions
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c index 18f35816706..435a5428a67 100644 --- a/arch/arm/mach-imx/mach-mx27_3ds.c +++ b/arch/arm/mach-imx/mach-mx27_3ds.c @@ -31,27 +31,29 @@ #include <linux/regulator/machine.h> #include <linux/spi/l4f00242t03.h> +#include <media/soc_camera.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> -#include <mach/hardware.h> -#include <mach/common.h> -#include <mach/iomux-mx27.h> -#include <mach/ulpi.h> -#include <mach/irqs.h> -#include <mach/3ds_debugboard.h> +#include "3ds_debugboard.h" +#include "common.h" #include "devices-imx27.h" +#include "hardware.h" +#include "iomux-mx27.h" +#include "ulpi.h" #define SD1_EN_GPIO IMX_GPIO_NR(2, 25) #define OTG_PHY_RESET_GPIO IMX_GPIO_NR(2, 23) #define SPI2_SS0 IMX_GPIO_NR(4, 21) -#define EXPIO_PARENT_INT gpio_to_irq(IMX_GPIO_NR(3, 28)) #define PMIC_INT IMX_GPIO_NR(3, 14) #define SPI1_SS0 IMX_GPIO_NR(4, 28) #define SD1_CD IMX_GPIO_NR(2, 26) #define LCD_RESET IMX_GPIO_NR(1, 3) #define LCD_ENABLE IMX_GPIO_NR(1, 31) +#define CSI_PWRDWN IMX_GPIO_NR(4, 19) +#define CSI_RESET IMX_GPIO_NR(3, 6) static const int mx27pdk_pins[] __initconst = { /* UART1 */ @@ -141,6 +143,31 @@ static const int mx27pdk_pins[] __initconst = { PA30_PF_CONTRAST, LCD_ENABLE | GPIO_GPIO | GPIO_OUT, LCD_RESET | GPIO_GPIO | GPIO_OUT, + /* CSI */ + PB10_PF_CSI_D0, + PB11_PF_CSI_D1, + PB12_PF_CSI_D2, + PB13_PF_CSI_D3, + PB14_PF_CSI_D4, + PB15_PF_CSI_MCLK, + PB16_PF_CSI_PIXCLK, + PB17_PF_CSI_D5, + PB18_PF_CSI_D6, + PB19_PF_CSI_D7, + PB20_PF_CSI_VSYNC, + PB21_PF_CSI_HSYNC, + CSI_PWRDWN | GPIO_GPIO | GPIO_OUT, + CSI_RESET | GPIO_GPIO | GPIO_OUT, + /* SSI4 */ + PC16_PF_SSI4_FS, + PC17_PF_SSI4_RXD, + PC18_PF_SSI4_TXD, + PC19_PF_SSI4_CLK, +}; + +static struct gpio mx27_3ds_camera_gpios[] = { + { CSI_PWRDWN, GPIOF_OUT_INIT_HIGH, "camera-power" }, + { CSI_RESET, GPIOF_OUT_INIT_HIGH, "camera-reset" }, }; static const struct imxuart_platform_data uart_pdata __initconst = { @@ -217,18 +244,18 @@ static const struct fsl_usb2_platform_data otg_device_pdata __initconst = { .phy_mode = FSL_USB2_PHY_ULPI, }; -static int otg_mode_host; +static bool otg_mode_host __initdata; static int __init mx27_3ds_otg_mode(char *options) { if (!strcmp(options, "host")) - otg_mode_host = 1; + otg_mode_host = true; else if (!strcmp(options, "device")) - otg_mode_host = 0; + otg_mode_host = false; else pr_info("otg_mode neither \"host\" nor \"device\". " "Defaulting to device\n"); - return 0; + return 1; } __setup("otg_mode=", mx27_3ds_otg_mode); @@ -242,6 +269,7 @@ static struct regulator_init_data gpo_init = { static struct regulator_consumer_supply vmmc1_consumers[] = { REGULATOR_SUPPLY("vcore", "spi0.0"), + REGULATOR_SUPPLY("cmos_2v8", "soc-camera-pdrv.0"), }; static struct regulator_init_data vmmc1_init = { @@ -270,6 +298,22 @@ static struct regulator_init_data vgen_init = { .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 mx27_3ds_regulators[] = { { .id = MC13783_REG_VMMC1, @@ -283,17 +327,31 @@ static struct mc13xxx_regulator_init_data mx27_3ds_regulators[] = { }, { .id = MC13783_REG_GPO3, /* Turn on 3.3V */ .init_data = &gpo_init, + }, { + .id = MC13783_REG_VVIB, /* Power OV2640 */ + .init_data = &vvib_init, }, }; /* MC13783 */ +static struct mc13xxx_codec_platform_data mx27_3ds_codec = { + .dac_ssi_port = MC13783_SSI1_PORT, + .adc_ssi_port = MC13783_SSI1_PORT, +}; + static struct mc13xxx_platform_data mc13783_pdata = { .regulators = { .regulators = mx27_3ds_regulators, .num_regulators = ARRAY_SIZE(mx27_3ds_regulators), }, - .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC, + .flags = MC13XXX_USE_TOUCHSCREEN | MC13XXX_USE_RTC | + MC13XXX_USE_CODEC, + .codec = &mx27_3ds_codec, +}; + +static struct imx_ssi_platform_data mx27_3ds_ssi_pdata = { + .flags = IMX_SSI_DMA | IMX_SSI_NET, }; /* SPI */ @@ -311,6 +369,51 @@ static const struct spi_imx_master spi2_pdata __initconst = { .num_chipselect = ARRAY_SIZE(spi2_chipselect), }; +static int mx27_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(CSI_PWRDWN, on ? 0 : 1); + + if (!on) + goto out; + + /* If enabled, give a reset impulse */ + gpio_set_value(CSI_RESET, 0); + msleep(20); + gpio_set_value(CSI_RESET, 1); + msleep(100); + +out: + return 0; +} + +static struct i2c_board_info mx27_3ds_i2c_camera = { + I2C_BOARD_INFO("ov2640", 0x30), +}; + +static struct regulator_bulk_data mx27_3ds_camera_regs[] = { + { .supply = "cmos_vcore" }, + { .supply = "cmos_2v8" }, +}; + +static struct soc_camera_link iclink_ov2640 = { + .bus_id = 0, + .board_info = &mx27_3ds_i2c_camera, + .i2c_adapter_id = 0, + .power = mx27_3ds_camera_power, + .regulators = mx27_3ds_camera_regs, + .num_regulators = ARRAY_SIZE(mx27_3ds_camera_regs), +}; + +static struct platform_device mx27_3ds_ov2640 = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &iclink_ov2640, + }, +}; + static struct imx_fb_videomode mx27_3ds_modes[] = { { /* 480x640 @ 60 Hz */ .mode = { @@ -356,7 +459,7 @@ static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { .bus_num = 1, .chip_select = 0, /* SS0 */ .platform_data = &mc13783_pdata, - .irq = IMX_GPIO_TO_IRQ(PMIC_INT), + /* irq number is run-time assigned */ .mode = SPI_CS_HIGH, }, { .modalias = "l4f00242t03", @@ -367,12 +470,21 @@ static struct spi_board_info mx27_3ds_spi_devs[] __initdata = { }, }; +static struct platform_device *devices[] __initdata = { + &mx27_3ds_ov2640, +}; + +static const struct mx2_camera_platform_data mx27_3ds_cam_pdata __initconst = { + .clk = 26000000, +}; + static const struct imxi2c_platform_data mx27_3ds_i2c0_data __initconst = { .bitrate = 100000, }; static void __init mx27pdk_init(void) { + int ret; imx27_soc_init(); mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins), @@ -382,7 +494,7 @@ static void __init mx27pdk_init(void) imx27_add_fec(NULL); imx27_add_imx_keypad(&mx27_3ds_keymap_data); imx27_add_mxc_mmc(0, &sdhc1_pdata); - imx27_add_imx2_wdt(NULL); + imx27_add_imx2_wdt(); otg_phy_init(); if (otg_mode_host) { @@ -398,13 +510,27 @@ static void __init mx27pdk_init(void) imx27_add_spi_imx1(&spi2_pdata); imx27_add_spi_imx0(&spi1_pdata); + mx27_3ds_spi_devs[0].irq = gpio_to_irq(PMIC_INT); spi_register_board_info(mx27_3ds_spi_devs, ARRAY_SIZE(mx27_3ds_spi_devs)); - if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT)) + if (mxc_expio_init(MX27_CS5_BASE_ADDR, IMX_GPIO_NR(3, 28))) pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n"); imx27_add_imx_i2c(0, &mx27_3ds_i2c0_data); + platform_add_devices(devices, ARRAY_SIZE(devices)); imx27_add_imx_fb(&mx27_3ds_fb_data); + + ret = gpio_request_array(mx27_3ds_camera_gpios, + ARRAY_SIZE(mx27_3ds_camera_gpios)); + if (ret) { + pr_err("Failed to request camera gpios"); + iclink_ov2640.power = NULL; + } + + imx27_add_mx2_camera(&mx27_3ds_cam_pdata); + imx27_add_imx_ssi(0, &mx27_3ds_ssi_pdata); + + imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0); } static void __init mx27pdk_timer_init(void) @@ -412,18 +538,13 @@ static void __init mx27pdk_timer_init(void) mx27_clocks_init(26000000); } -static struct sys_timer mx27pdk_timer = { - .init = mx27pdk_timer_init, -}; - MACHINE_START(MX27_3DS, "Freescale MX27PDK") /* maintainer: Freescale Semiconductor, Inc. */ .atag_offset = 0x100, .map_io = mx27_map_io, .init_early = imx27_init_early, .init_irq = mx27_init_irq, - .handle_irq = imx27_handle_irq, - .timer = &mx27pdk_timer, + .init_time = mx27pdk_timer_init, .init_machine = mx27pdk_init, .restart = mxc_restart, MACHINE_END |