[ARM] pxa: V4L2 soc_camera driver for PXA270

This patch adds a driver for the Quick Capture Interface on the PXA270.
It is based on the original driver from Intel, but has been re-worked
multiple times since then, now it also supports the V4L2 API.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 32 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index 3665e242f1f9..d6c05b6eab35 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -12,6 +12,7 @@
 #include <asm/arch/i2c.h>
 #include <asm/arch/ohci.h>
 #include <asm/arch/pxa27x_keypad.h>
+#include <asm/arch/camera.h>
 
 #include "devices.h"
 
@@ -566,6 +567,37 @@ struct platform_device pxa27x_device_ssp3 = {
         .resource       = pxa27x_resource_ssp3,
         .num_resources  = ARRAY_SIZE(pxa27x_resource_ssp3),
 };
+
+static struct resource pxa27x_resource_camera[] = {
+        [0] = {
+                .start  = 0x50000000,
+                .end    = 0x50000fff,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = IRQ_CAMERA,
+                .end    = IRQ_CAMERA,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static u64 pxa27x_dma_mask_camera = DMA_BIT_MASK(32);
+
+static struct platform_device pxa27x_device_camera = {
+        .name           = "pxa27x-camera",
+        .id             = 0, /* This is used to put cameras on this interface */
+        .dev            = {
+                .dma_mask               = &pxa27x_dma_mask_camera,
+                .coherent_dma_mask      = 0xffffffff,
+        },
+        .num_resources  = ARRAY_SIZE(pxa27x_resource_camera),
+        .resource       = pxa27x_resource_camera,
+};
+
+void __init pxa_set_camera_info(struct pxacamera_platform_data *info)
+{
+        pxa_register_device(&pxa27x_device_camera, info);
+}
 #endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
 
 #ifdef CONFIG_PXA3xx