You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
162 lines
4.3 KiB
162 lines
4.3 KiB
/*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* 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/platform_device.h>
|
|
#include <linux/types.h>
|
|
|
|
#include <mach/common.h>
|
|
#include <mach/hardware.h>
|
|
#include <mach/imx-uart.h>
|
|
#include <mach/iomux-mx3.h>
|
|
|
|
#include <media/soc_camera.h>
|
|
|
|
#include "devices.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 struct imxuart_platform_data uart_pdata = {
|
|
.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,
|
|
.module_name = "mt9t031",
|
|
};
|
|
|
|
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;
|
|
}
|
|
|
|
#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 SEL3 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(SEL3, "sel3")) {
|
|
gpio_direction_input(SEL3);
|
|
gpio_export(SEL3, true);
|
|
}
|
|
}
|
|
/*
|
|
* system init for baseboard usage. Will be called by mx31moboard init.
|
|
*/
|
|
void __init mx31moboard_smartbot_init(void)
|
|
{
|
|
printk(KERN_INFO "Initializing mx31smartbot peripherals\n");
|
|
|
|
mxc_iomux_setup_multiple_pins(smartbot_pins, ARRAY_SIZE(smartbot_pins),
|
|
"smartbot");
|
|
|
|
mxc_register_device(&mxc_uart_device1, &uart_pdata);
|
|
|
|
smartbot_resets_init();
|
|
|
|
smartbot_cam_init();
|
|
platform_add_devices(smartbot_cameras, ARRAY_SIZE(smartbot_cameras));
|
|
}
|
|
|