From: Janusz Krzysztofik <jkrzyszt@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap1/devices.c | 43 +++++++++++++++++++++++++++++
arch/arm/mach-omap1/include/mach/camera.h | 11 +++++++
2 files changed, 54 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap1/include/mach/camera.h
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index aa07256..2c9a030 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -9,6 +9,7 @@
* (at your option) any later version.
*/
+#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -191,6 +192,48 @@ static inline void omap_init_spi100k(void)
}
#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) {}
diff --git a/arch/arm/mach-omap1/include/mach/camera.h b/arch/arm/mach-omap1/include/mach/camera.h
new file mode 100644
index 0000000..fd54b45
--- /dev/null
+++ b/arch/arm/mach-omap1/include/mach/camera.h
@@ -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_ */
--
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