ARM: pxa: PalmZ72: Add OV9640 camera support
Rework of patch from 2009: PalmZ72: Add support for OV9640 camera sensor Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
Marek Vasut
Eric Miao
parent
9ed3fbf1cb
commit
54a93b69a4
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@ -44,6 +44,11 @@
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#define GPIO_NR_PALMZ72_BT_POWER 17
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#define GPIO_NR_PALMZ72_BT_RESET 83
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/* Camera */
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#define GPIO_NR_PALMZ72_CAM_PWDN 56
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#define GPIO_NR_PALMZ72_CAM_RESET 57
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#define GPIO_NR_PALMZ72_CAM_POWER 91
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/** Initial values **/
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/* Battery */
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@ -30,6 +30,7 @@
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#include <linux/wm97xx.h>
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#include <linux/power_supply.h>
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#include <linux/usb/gpio_vbus.h>
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#include <linux/i2c-gpio.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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@ -47,6 +48,9 @@
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#include <mach/palm27x.h>
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#include <mach/pm.h>
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#include <mach/camera.h>
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#include <media/soc_camera.h>
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#include "generic.h"
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#include "devices.h"
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@ -103,6 +107,28 @@ static unsigned long palmz72_pin_config[] __initdata = {
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GPIO22_GPIO, /* LCD border color */
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GPIO96_GPIO, /* lcd power */
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/* PXA Camera */
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GPIO81_CIF_DD_0,
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GPIO48_CIF_DD_5,
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GPIO50_CIF_DD_3,
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GPIO51_CIF_DD_2,
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GPIO52_CIF_DD_4,
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GPIO53_CIF_MCLK,
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GPIO54_CIF_PCLK,
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GPIO55_CIF_DD_1,
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GPIO84_CIF_FV,
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GPIO85_CIF_LV,
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GPIO93_CIF_DD_6,
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GPIO108_CIF_DD_7,
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GPIO56_GPIO, /* OV9640 Powerdown */
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GPIO57_GPIO, /* OV9640 Reset */
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GPIO91_GPIO, /* OV9640 Power */
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/* I2C */
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GPIO117_GPIO, /* I2C_SCL */
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GPIO118_GPIO, /* I2C_SDA */
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/* Misc. */
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GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */
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GPIO88_GPIO, /* green led */
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@ -253,6 +279,106 @@ static int __init palmz72_pm_init(void)
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device_initcall(palmz72_pm_init);
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#endif
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/******************************************************************************
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* SoC Camera
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******************************************************************************/
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#if defined(CONFIG_SOC_CAMERA_OV9640) || \
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defined(CONFIG_SOC_CAMERA_OV9640_MODULE)
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static struct pxacamera_platform_data palmz72_pxacamera_platform_data = {
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.flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
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PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
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.mclk_10khz = 2600,
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};
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/* Board I2C devices. */
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static struct i2c_board_info palmz72_i2c_device[] = {
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{
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I2C_BOARD_INFO("ov9640", 0x30),
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}
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};
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static int palmz72_camera_power(struct device *dev, int power)
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{
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gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power);
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mdelay(50);
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return 0;
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}
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static int palmz72_camera_reset(struct device *dev)
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{
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gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1);
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mdelay(50);
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gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0);
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mdelay(50);
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return 0;
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}
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static struct soc_camera_link palmz72_iclink = {
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.bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
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.board_info = &palmz72_i2c_device[0],
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.i2c_adapter_id = 0,
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.module_name = "ov96xx",
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.power = &palmz72_camera_power,
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.reset = &palmz72_camera_reset,
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.flags = SOCAM_DATAWIDTH_8,
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};
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static struct i2c_gpio_platform_data palmz72_i2c_bus_data = {
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.sda_pin = 118,
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.scl_pin = 117,
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.udelay = 10,
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.timeout = 100,
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};
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static struct platform_device palmz72_i2c_bus_device = {
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.name = "i2c-gpio",
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.id = 0, /* we use this as a replacement for i2c-pxa */
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.dev = {
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.platform_data = &palmz72_i2c_bus_data,
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}
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};
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static struct platform_device palmz72_camera = {
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.name = "soc-camera-pdrv",
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.id = -1,
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.dev = {
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.platform_data = &palmz72_iclink,
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},
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};
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/* Here we request the camera GPIOs and configure them. We power up the camera
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* module, deassert the reset pin, but put it into powerdown (low to no power
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* consumption) mode. This allows us to later bring the module up fast. */
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static struct gpio palmz72_camera_gpios[] = {
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{ GPIO_NR_PALMZ72_CAM_POWER, GPIOF_INIT_HIGH,"Camera DVDD" },
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{ GPIO_NR_PALMZ72_CAM_RESET, GPIOF_INIT_LOW, "Camera RESET" },
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{ GPIO_NR_PALMZ72_CAM_PWDN, GPIOF_INIT_LOW, "Camera PWDN" },
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};
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static inline void __init palmz72_cam_gpio_init(void)
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{
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int ret;
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ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
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if (!ret)
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gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
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else
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printk(KERN_ERR "Camera GPIO init failed!\n");
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return;
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}
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static void __init palmz72_camera_init(void)
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{
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palmz72_cam_gpio_init();
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pxa_set_camera_info(&palmz72_pxacamera_platform_data);
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platform_device_register(&palmz72_i2c_bus_device);
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platform_device_register(&palmz72_camera);
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}
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#else
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static inline void palmz72_camera_init(void) {}
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#endif
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/******************************************************************************
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* Machine init
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******************************************************************************/
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@ -276,6 +402,7 @@ static void __init palmz72_init(void)
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palm27x_pmic_init();
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palmz72_kpc_init();
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palmz72_leds_init();
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palmz72_camera_init();
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}
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MACHINE_START(PALMZ72, "Palm Zire72")
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