[PATCH 3/3] PalmZ72: Add support for OV9640 camera sensor
Marek Vasut
marek.vasut at gmail.com
Wed Apr 21 05:41:22 EDT 2010
Dne So 22. srpna 2009 08:52:06 Marek Vasut napsal(a):
> From 777212ce6d3bacea76281aa3d74839a3c38b32a4 Mon Sep 17 00:00:00 2001
> From: Marek Vasut <marek.vasut at gmail.com>
> Date: Sat, 22 Aug 2009 05:15:10 +0200
> Subject: [PATCH 3/3] PalmZ72: Add support for OV9640 camera sensor
>
Hi, was this ever merged ?
Cheers
> Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
> ---
> arch/arm/mach-pxa/include/mach/palmz72.h | 5 +
> arch/arm/mach-pxa/palmz72.c | 126
> +++++++++++++++++++++++++++++-
> 2 files changed, 130 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-pxa/include/mach/palmz72.h b/arch/arm/mach-
> pxa/include/mach/palmz72.h
> index 2806ef6..745fa3c 100644
> --- a/arch/arm/mach-pxa/include/mach/palmz72.h
> +++ b/arch/arm/mach-pxa/include/mach/palmz72.h
> @@ -44,6 +44,11 @@
> #define GPIO_NR_PALMZ72_BT_POWER 17
> #define GPIO_NR_PALMZ72_BT_RESET 83
>
> +/* Camera */
> +#define GPIO_NR_PALMZ72_CAM_PWDN 56
> +#define GPIO_NR_PALMZ72_CAM_RESET 57
> +#define GPIO_NR_PALMZ72_CAM_POWER 91
> +
> /** Initial values **/
>
> /* Battery */
> diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c
> index c3645aa..e4449ad 100644
> --- a/arch/arm/mach-pxa/palmz72.c
> +++ b/arch/arm/mach-pxa/palmz72.c
> @@ -30,6 +30,7 @@
> #include <linux/wm97xx_batt.h>
> #include <linux/power_supply.h>
> #include <linux/usb/gpio_vbus.h>
> +#include <linux/i2c-gpio.h>
>
> #include <asm/mach-types.h>
> #include <asm/mach/arch.h>
> @@ -44,8 +45,10 @@
> #include <mach/pxa27x_keypad.h>
> #include <mach/udc.h>
> #include <mach/palmasoc.h>
> -
> #include <mach/pm.h>
> +#include <mach/camera.h>
> +
> +#include <media/soc_camera.h>
>
> #include "generic.h"
> #include "devices.h"
> @@ -120,6 +123,28 @@ static unsigned long palmz72_pin_config[] __initdata =
> { GPIO22_GPIO, /* LCD border color */
> GPIO96_GPIO, /* lcd power */
>
> + /* PXA Camera */
> + GPIO81_CIF_DD_0,
> + GPIO48_CIF_DD_5,
> + GPIO50_CIF_DD_3,
> + GPIO51_CIF_DD_2,
> + GPIO52_CIF_DD_4,
> + GPIO53_CIF_MCLK,
> + GPIO54_CIF_PCLK,
> + GPIO55_CIF_DD_1,
> + GPIO84_CIF_FV,
> + GPIO85_CIF_LV,
> + GPIO93_CIF_DD_6,
> + GPIO108_CIF_DD_7,
> +
> + GPIO56_GPIO,
> + GPIO57_GPIO,
> + GPIO91_GPIO,
> +
> + /* I2C */
> + GPIO117_GPIO, /* I2C_SCL */
> + GPIO118_GPIO, /* I2C_SDA */
> +
> /* Misc. */
> GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */
> GPIO88_GPIO, /* green led */
> @@ -493,6 +518,70 @@ static struct pxafb_mach_info palmz72_lcd_screen = {
> .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
> };
>
> +/*************************************************************************
> ***** + * SoC Camera
> +
> ***************************************************************************
> ***/ +struct pxacamera_platform_data palmz72_pxacamera_platform_data = {
> + .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
> + PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
> + .mclk_10khz = 2600,
> +};
> +
> +/* Board I2C devices. */
> +static struct i2c_board_info __initdata palmz72_i2c_device = {
> + I2C_BOARD_INFO("ov9640", 0x30),
> +};
> +
> +static int palmz72_camera_power(struct device *dev, int power)
> +{
> + gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power);
> + mdelay(50);
> + return 0;
> +}
> +
> +static int palmz72_camera_reset(struct device *dev)
> +{
> + gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1);
> + mdelay(50);
> + gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0);
> + mdelay(50);
> + return 0;
> +}
> +
> +static struct soc_camera_link palmz72_iclink = {
> + .bus_id = 0, /* Match id in pxa27x_device_camera in device.c */
> + .board_info = &palmz72_i2c_device,
> + .i2c_adapter_id = 0,
> + .module_name = "ov96xx",
> + .power = &palmz72_camera_power,
> + .reset = &palmz72_camera_reset,
> + .flags = SOCAM_DATAWIDTH_8,
> +};
> +
> +static struct i2c_gpio_platform_data palmz72_i2c_bus_data = {
> + .sda_pin = 118,
> + .scl_pin = 117,
> + .udelay = 10,
> + .timeout = 100,
> +};
> +
> +static struct platform_device palmz72_i2c_bus_device = {
> + .name = "i2c-gpio",
> + .id = 0, /* we use this as a replacement for i2c-pxa */
> + .dev = {
> + .platform_data = &palmz72_i2c_bus_data,
> + }
> +};
> +
> +struct platform_device palmz72_camera = {
> + .name = "soc-camera-pdrv",
> + .id = -1,
> + .dev = {
> + .platform_data = &palmz72_iclink,
> + },
> +};
> +
> +
> #ifdef CONFIG_PM
>
> /* We have some black magic here
> @@ -576,6 +665,8 @@ static struct platform_device *devices[] __initdata = {
> &palmz72_asoc,
> &power_supply,
> &palmz72_gpio_vbus,
> + &palmz72_i2c_bus_device,
> + &palmz72_camera,
> };
>
> /* setup udc GPIOs initial state */
> @@ -587,10 +678,41 @@ static void __init palmz72_udc_init(void)
> }
> }
>
> +/* Here we request the camera GPIOs and configure them. We power up the
> camera + * module, deassert the reset pin, but put it into powerdown (low
> to no power + * consumption) mode. This allows up later to bring the
> module up fast. */ +static inline void __init palmz72_cam_init(void)
> +{
> + if (gpio_request(GPIO_NR_PALMZ72_CAM_PWDN, "Camera PWDN"))
> + goto err1;
> + if (gpio_request(GPIO_NR_PALMZ72_CAM_RESET, "Camera RESET"))
> + goto err2;
> + if (gpio_request(GPIO_NR_PALMZ72_CAM_POWER, "Camera DVDD"))
> + goto err3;
> + if (gpio_direction_output(GPIO_NR_PALMZ72_CAM_POWER, 1))
> + goto err4;
> + if (gpio_direction_output(GPIO_NR_PALMZ72_CAM_RESET, 0))
> + goto err4;
> + if (gpio_direction_output(GPIO_NR_PALMZ72_CAM_PWDN, 0))
> + goto err4;
> + return;
> +
> +err4:
> + gpio_free(GPIO_NR_PALMZ72_CAM_POWER);
> +err3:
> + gpio_free(GPIO_NR_PALMZ72_CAM_RESET);
> +err2:
> + gpio_free(GPIO_NR_PALMZ72_CAM_PWDN);
> +err1:
> + printk(KERN_ERR "Camera GPIO init failed!\n");
> + return;
> +}
> +
> static void __init palmz72_init(void)
> {
> pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
>
> + palmz72_cam_init();
> set_pxa_fb_info(&palmz72_lcd_screen);
> pxa_set_mci_info(&palmz72_mci_platform_data);
> palmz72_udc_init();
> @@ -599,6 +721,8 @@ static void __init palmz72_init(void)
> pxa_set_keypad_info(&palmz72_keypad_platform_data);
> wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
>
> + pxa_set_camera_info(&palmz72_pxacamera_platform_data);
> +
> platform_add_devices(devices, ARRAY_SIZE(devices));
> }
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