diff options
Diffstat (limited to 'arch/arm/mach-mx3/mx31moboard-marxbot.c')
| -rw-r--r-- | arch/arm/mach-mx3/mx31moboard-marxbot.c | 192 |
1 files changed, 191 insertions, 1 deletions
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c index 2bfaffb344f..85184a35e67 100644 --- a/arch/arm/mach-mx3/mx31moboard-marxbot.c +++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c @@ -16,17 +16,26 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#include <linux/delay.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> +#include <linux/i2c.h> +#include <linux/spi/spi.h> #include <linux/platform_device.h> #include <linux/types.h> +#include <linux/usb/otg.h> + #include <mach/common.h> #include <mach/hardware.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> #include <mach/mmc.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> + +#include <media/soc_camera.h> #include "devices.h" @@ -37,7 +46,6 @@ static unsigned int marxbot_pins[] = { MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD, MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29, /* CSI */ - MX31_PIN_CSI_D4__CSI_D4, MX31_PIN_CSI_D5__CSI_D5, 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, @@ -45,10 +53,19 @@ static unsigned int marxbot_pins[] = { 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_D4__GPIO3_4, MX31_PIN_CSI_D5__GPIO3_5, MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1, MX31_PIN_TXD2__GPIO1_28, /* dsPIC resets */ MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22, + /*battery detection */ + MX31_PIN_LCS0__GPIO3_23, + /* USB H1 */ + MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM, + MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP, + MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB, + MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND, + MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12, }; #define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR) @@ -120,6 +137,166 @@ static void dspics_resets_init(void) } } +static struct spi_board_info marxbot_spi_board_info[] __initdata = { + { + .modalias = "spidev", + .max_speed_hz = 300000, + .bus_num = 1, + .chip_select = 1, /* according spi1_cs[] ! */ + }, +}; + +#define TURRETCAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1) +#define BASECAM_POWER IOMUX_TO_GPIO(MX31_PIN_CSI_D5) +#define TURRETCAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0) +#define BASECAM_RST_B IOMUX_TO_GPIO(MX31_PIN_CSI_D4) +#define CAM_CHOICE IOMUX_TO_GPIO(MX31_PIN_TXD2) + +static int marxbot_basecam_power(struct device *dev, int on) +{ + gpio_set_value(BASECAM_POWER, !on); + return 0; +} + +static int marxbot_basecam_reset(struct device *dev) +{ + gpio_set_value(BASECAM_RST_B, 0); + udelay(100); + gpio_set_value(BASECAM_RST_B, 1); + return 0; +} + +static struct i2c_board_info marxbot_i2c_devices[] = { + { + I2C_BOARD_INFO("mt9t031", 0x5d), + }, +}; + +static struct soc_camera_link base_iclink = { + .bus_id = 0, /* Must match with the camera ID */ + .power = marxbot_basecam_power, + .reset = marxbot_basecam_reset, + .board_info = &marxbot_i2c_devices[0], + .i2c_adapter_id = 0, + .module_name = "mt9t031", +}; + +static struct platform_device marxbot_camera[] = { + { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &base_iclink, + }, + }, +}; + +static struct platform_device *marxbot_cameras[] __initdata = { + &marxbot_camera[0], +}; + +static int __init marxbot_cam_init(void) +{ + int ret = gpio_request(CAM_CHOICE, "cam-choice"); + if (ret) + return ret; + gpio_direction_output(CAM_CHOICE, 1); + + ret = gpio_request(BASECAM_RST_B, "basecam-reset"); + if (ret) + return ret; + gpio_direction_output(BASECAM_RST_B, 1); + ret = gpio_request(BASECAM_POWER, "basecam-standby"); + if (ret) + return ret; + gpio_direction_output(BASECAM_POWER, 0); + + ret = gpio_request(TURRETCAM_RST_B, "turretcam-reset"); + if (ret) + return ret; + gpio_direction_output(TURRETCAM_RST_B, 1); + ret = gpio_request(TURRETCAM_POWER, "turretcam-standby"); + if (ret) + return ret; + gpio_direction_output(TURRETCAM_POWER, 0); + + return 0; +} + +#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ + PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) + +static int marxbot_usbh1_hw_init(struct platform_device *pdev) +{ + mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true); + + mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG); + + return 0; +} + +#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B) +#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE) + +static int marxbot_isp1105_init(struct otg_transceiver *otg) +{ + int ret = gpio_request(USBH1_MODE, "usbh1-mode"); + if (ret) + return ret; + /* single ended */ + gpio_direction_output(USBH1_MODE, 0); + + ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen"); + if (ret) { + gpio_free(USBH1_MODE); + return ret; + } + gpio_direction_output(USBH1_VBUSEN_B, 1); + + return 0; +} + + +static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on) +{ + if (on) + gpio_set_value(USBH1_VBUSEN_B, 0); + else + gpio_set_value(USBH1_VBUSEN_B, 1); + + return 0; +} + +static struct mxc_usbh_platform_data usbh1_pdata = { + .init = marxbot_usbh1_hw_init, + .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL, + .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI, +}; + +static int __init marxbot_usbh1_init(void) +{ + struct otg_transceiver *otg; + + otg = kzalloc(sizeof(*otg), GFP_KERNEL); + if (!otg) + return -ENOMEM; + + otg->label = "ISP1105"; + otg->init = marxbot_isp1105_init; + otg->set_vbus = marxbot_isp1105_set_vbus; + + usbh1_pdata.otg = otg; + + return mxc_register_device(&mx31_usbh1, &usbh1_pdata); +} + /* * system init for baseboard usage. Will be called by mx31moboard init. */ @@ -133,4 +310,17 @@ void __init mx31moboard_marxbot_init(void) dspics_resets_init(); mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata); + + spi_register_board_info(marxbot_spi_board_info, + ARRAY_SIZE(marxbot_spi_board_info)); + + marxbot_cam_init(); + platform_add_devices(marxbot_cameras, ARRAY_SIZE(marxbot_cameras)); + + /* battery present pin */ + gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS0), "bat-present"); + gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0)); + gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false); + + marxbot_usbh1_init(); } |