+++ /dev/null
-/*
- * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
- *
- * 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.
- */
-
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/i2c.h>
-#include <linux/platform_device.h>
-#include <linux/types.h>
-
-#include <linux/usb/otg.h>
-#include <linux/usb/ulpi.h>
-
-#include <mach/common.h>
-#include <mach/hardware.h>
-#include <mach/iomux-mx3.h>
-#include <mach/board-mx31moboard.h>
-#include <mach/ulpi.h>
-
-#include <media/soc_camera.h>
-
-#include "devices-imx31.h"
-
-static unsigned int smartbot_pins[] = {
- /* UART1 */
- MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2,
- MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2,
- /* 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,
- 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_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
- /* ENABLES */
- MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
- MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
-};
-
-static const struct imxuart_platform_data uart_pdata __initconst = {
- .flags = IMXUART_HAVE_RTSCTS,
-};
-
-#define CAM_POWER IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
-#define CAM_RST_B IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
-
-static int smartbot_cam_power(struct device *dev, int on)
-{
- gpio_set_value(CAM_POWER, !on);
- return 0;
-}
-
-static int smartbot_cam_reset(struct device *dev)
-{
- gpio_set_value(CAM_RST_B, 0);
- udelay(100);
- gpio_set_value(CAM_RST_B, 1);
- return 0;
-}
-
-static struct i2c_board_info smartbot_i2c_devices[] = {
- {
- I2C_BOARD_INFO("mt9t031", 0x5d),
- },
-};
-
-static struct soc_camera_link base_iclink = {
- .bus_id = 0, /* Must match with the camera ID */
- .power = smartbot_cam_power,
- .reset = smartbot_cam_reset,
- .board_info = &smartbot_i2c_devices[0],
- .i2c_adapter_id = 0,
-};
-
-static struct platform_device smartbot_camera[] = {
- {
- .name = "soc-camera-pdrv",
- .id = 0,
- .dev = {
- .platform_data = &base_iclink,
- },
- },
-};
-
-static struct platform_device *smartbot_cameras[] __initdata = {
- &smartbot_camera[0],
-};
-
-static int __init smartbot_cam_init(void)
-{
- int ret = gpio_request(CAM_RST_B, "cam-reset");
- if (ret)
- return ret;
- gpio_direction_output(CAM_RST_B, 1);
- ret = gpio_request(CAM_POWER, "cam-standby");
- if (ret)
- return ret;
- gpio_direction_output(CAM_POWER, 0);
-
- return 0;
-}
-
-static const struct fsl_usb2_platform_data usb_pdata __initconst = {
- .operating_mode = FSL_USB2_DR_DEVICE,
- .phy_mode = FSL_USB2_PHY_ULPI,
-};
-
-#if defined(CONFIG_USB_ULPI)
-
-static int smartbot_otg_init(struct platform_device *pdev)
-{
- return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
-}
-
-static struct mxc_usbh_platform_data otg_host_pdata __initdata = {
- .init = smartbot_otg_init,
- .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
-};
-
-static int __init smartbot_otg_host_init(void)
-{
- struct platform_device *pdev;
-
- otg_host_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
- ULPI_OTG_DRVVBUS_EXT);
- if (!otg_host_pdata.otg)
- return -ENODEV;
-
- pdev = imx31_add_mxc_ehci_otg(&otg_host_pdata);
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- return 0;
-}
-#else
-static inline int smartbot_otg_host_init(void) { return 0; }
-#endif
-
-#define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
-#define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
-#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
-#define TRSLAT_SRC_CHOICE IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
-
-static void smartbot_resets_init(void)
-{
- if (!gpio_request(POWER_EN, "power-enable")) {
- gpio_direction_output(POWER_EN, 0);
- gpio_export(POWER_EN, false);
- }
-
- if (!gpio_request(DSPIC_RST_B, "dspic-rst")) {
- gpio_direction_output(DSPIC_RST_B, 0);
- gpio_export(DSPIC_RST_B, false);
- }
-
- if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
- gpio_direction_output(TRSLAT_RST_B, 0);
- gpio_export(TRSLAT_RST_B, false);
- }
-
- if (!gpio_request(TRSLAT_SRC_CHOICE, "translator-src-choice")) {
- gpio_direction_output(TRSLAT_SRC_CHOICE, 0);
- gpio_export(TRSLAT_SRC_CHOICE, false);
- }
-}
-/*
- * system init for baseboard usage. Will be called by mx31moboard init.
- */
-void __init mx31moboard_smartbot_init(int board)
-{
- printk(KERN_INFO "Initializing mx31smartbot peripherals\n");
-
- mxc_iomux_setup_multiple_pins(smartbot_pins, ARRAY_SIZE(smartbot_pins),
- "smartbot");
-
- imx31_add_imx_uart1(&uart_pdata);
-
- switch (board) {
- case MX31SMARTBOT:
- imx31_add_fsl_usb2_udc(&usb_pdata);
- break;
- case MX31EYEBOT:
- smartbot_otg_host_init();
- break;
- default:
- printk(KERN_WARNING "Unknown board %d, USB OTG not initialized",
- board);
- }
-
- smartbot_resets_init();
-
- smartbot_cam_init();
- platform_add_devices(smartbot_cameras, ARRAY_SIZE(smartbot_cameras));
-}
git.samba.org / sfrench / cifs-2.6.git / blobdiff