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OMAP1: Add support for SoC camera interface

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This patch adds a definition of the OMAP1 camera interface platform device,
and a function that allows for providing a board specific platform data.
The device will be used with the upcoming OMAP1 SoC camera interface driver.

Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Janusz Krzysztofik 2010-10-01 16:37:00 -07:00 • committed by Tony Lindgren
parent 7ad0e386d4
commit 1a96edd70c
2 changed files with 54 additions and 0 deletions
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43
arch/arm/mach-omap1/devices.c
View file

@ -9,6 +9,7 @@
* (at your option) any later version. * (at your option) any later version.
*/ */
#include <linux/dma-mapping.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/init.h> #include <linux/init.h>
@ -191,6 +192,48 @@ static inline void omap_init_spi100k(void)
} }
#endif #endif
#define OMAP1_CAMERA_BASE 0xfffb6800
#define OMAP1_CAMERA_IOSIZE 0x1c
static struct resource omap1_camera_resources[] = {
[0] = {
.start = OMAP1_CAMERA_BASE,
.end = OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = INT_CAMERA,
.flags = IORESOURCE_IRQ,
},
};
static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32);
static struct platform_device omap1_camera_device = {
.name = "omap1-camera",
.id = 0, /* This is used to put cameras on this interface */
.dev = {
.dma_mask = &omap1_camera_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
.num_resources = ARRAY_SIZE(omap1_camera_resources),
.resource = omap1_camera_resources,
};
void __init omap1_camera_init(void *info)
{
struct platform_device *dev = &omap1_camera_device;
int ret;
dev->dev.platform_data = info;
ret = platform_device_register(dev);
if (ret)
dev_err(&dev->dev, "unable to register device: %d\n", ret);
}
/*-------------------------------------------------------------------------*/ /*-------------------------------------------------------------------------*/
static inline void omap_init_sti(void) {} static inline void omap_init_sti(void) {}

11
arch/arm/mach-omap1/include/mach/camera.h Normal file
View file

@ -0,0 +1,11 @@
#ifndef __ASM_ARCH_CAMERA_H_
#define __ASM_ARCH_CAMERA_H_
void omap1_camera_init(void *);
static inline void omap1_set_camera_info(struct omap1_cam_platform_data *info)
{
omap1_camera_init(info);
}
#endif /* __ASM_ARCH_CAMERA_H_ */