Forgot to mention explicitly: this patch is only an example, not even
nearly to be considered for applying.
Thanks
Guennadi
On Thu, 18 Apr 2013, Guennadi Liakhovetski wrote:
> We don't know how to support pluggable camera sensors yet. This is just
> an example, how support for an mt9p031 or mt9p006 camera sensor could be
> added to pcm037.
>
> not-Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
> ---
> arch/arm/mach-imx/mach-pcm037.c | 44 +++++++++++++++++++++++++++++++++++++-
> 1 files changed, 42 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-imx/mach-pcm037.c b/arch/arm/mach-imx/mach-pcm037.c
> index f138481..18ba328 100644
> --- a/arch/arm/mach-imx/mach-pcm037.c
> +++ b/arch/arm/mach-imx/mach-pcm037.c
> @@ -36,6 +36,7 @@
> #include <linux/regulator/fixed.h>
>
> #include <media/soc_camera.h>
> +#include <media/mt9p031.h>
>
> #include <asm/mach-types.h>
> #include <asm/mach/arch.h>
> @@ -363,6 +364,22 @@ static struct i2c_board_info pcm037_i2c_devices[] = {
> }
> };
>
> +static struct mt9p031_platform_data mt9p031_pdata = {
> + .target_freq = 20000000,
> + .ext_freq = 20000000,
> + .sd_pdata = {
> + .num_regulators = ARRAY_SIZE(cam_supply),
> + .regulators = cam_supply,
> + },
> +};
> +
> +static struct i2c_board_info pcm037_i2c2_devices[] = {
> + {
> + I2C_BOARD_INFO("mt9p031", 0x48),
> + .platform_data = &mt9p031_pdata,
> + },
> +};
> +
> static struct platform_device pcm037_mt9t031 = {
> .name = "soc-camera-pdrv",
> .id = 0,
> @@ -441,9 +458,30 @@ static const struct imxmmc_platform_data sdhc_pdata __initconst = {
> .exit = pcm970_sdhc1_exit,
> };
>
> +static struct soc_camera_async_subdev mt9p006_sd = {
> + .asd.hw = {
> + .bus_type = V4L2_ASYNC_BUS_I2C,
> + .match.i2c = {
> + .adapter_id = 2,
> + .address = 0x48,
> + },
> + },
> + .role = SOCAM_SUBDEV_DATA_SOURCE,
> +};
> +
> +static struct v4l2_async_subdev *cam_subdevs[] = {
> + /* Single 1-element group */
> + &mt9p006_sd.asd,
> +};
> +
> +/* 0-terminated array of group-sizes */
> +static int cam_subdev_sizes[] = {ARRAY_SIZE(cam_subdevs), 0};
> +
> struct mx3_camera_pdata camera_pdata __initdata = {
> .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
> .mclk_10khz = 2000,
> + .asd = cam_subdevs,
> + .asd_sizes = cam_subdev_sizes,
> };
>
> static phys_addr_t mx3_camera_base __initdata;
> @@ -476,8 +514,8 @@ static struct platform_device *devices[] __initdata = {
> &pcm037_flash,
> &pcm037_sram_device,
> &vcc_cam,
> - &pcm037_mt9t031,
> - &pcm037_mt9v022,
> +// &pcm037_mt9t031,
> +// &pcm037_mt9v022,
> };
>
> static const struct fb_videomode fb_modedb[] = {
> @@ -677,6 +715,8 @@ static void __init pcm037_init(void)
> /* I2C adapters and devices */
> i2c_register_board_info(1, pcm037_i2c_devices,
> ARRAY_SIZE(pcm037_i2c_devices));
> + i2c_register_board_info(2, pcm037_i2c2_devices,
> + ARRAY_SIZE(pcm037_i2c2_devices));
>
> imx31_add_imx_i2c1(&pcm037_i2c1_data);
> imx31_add_imx_i2c2(&pcm037_i2c2_data);
> --
> 1.7.2.5
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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