V4L2 soc_camera driver for PXA27x processors

From: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>

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 for the first time it supports the
V4L2 API.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/linux/arch/arm/mach-pxa/devices.c b/linux/arch/arm/mach-pxa/devices.c
index bfccb80ac..3838aabdf 100644
--- a/linux/arch/arm/mach-pxa/devices.c
+++ b/linux/arch/arm/mach-pxa/devices.c
@@ -11,6 +11,7 @@
 #include <asm/arch/irda.h>
 #include <asm/arch/i2c.h>
 #include <asm/arch/ohci.h>
+#include <asm/arch/camera.h>
 
 #include "devices.h"
 
@@ -540,6 +541,37 @@ 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