mx31: add camera device

This adds the camera device based on Guennadi's soc_camera architecture
for the mx31.

The proposed init by Guennadi was removed and must be implemented in the
board init file as it contains a lot of board specific info (memory
size, clock speed).

Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Reviewed-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 22 insertions, 1 deletions

diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index f55c9863ea42..d927eddcad46 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -22,10 +22,12 @@
 #include <linux/platform_device.h>
 #include <linux/serial.h>
 #include <linux/gpio.h>
+#include <linux/dma-mapping.h>
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/common.h>
 #include <mach/imx-uart.h>
+#include <mach/mx3_camera.h>
 
 #include "devices.h"
 
@@ -346,10 +348,28 @@ struct platform_device mx3_fb = {
         .num_resources  = ARRAY_SIZE(fb_resources),
         .resource       = fb_resources,
         .dev            = {
-                .coherent_dma_mask = 0xffffffff,
+                .coherent_dma_mask = DMA_BIT_MASK(32),
        },
 };
 
+static struct resource camera_resources[] = {
+        {
+                .start  = IPU_CTRL_BASE_ADDR + 0x60,
+                .end    = IPU_CTRL_BASE_ADDR + 0x87,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+struct platform_device mx3_camera = {
+        .name           = "mx3-camera",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(camera_resources),
+        .resource       = camera_resources,
+        .dev            = {
+                .coherent_dma_mask = DMA_BIT_MASK(32),
+        },
+};
+
 static struct resource otg_resources[] = {
         {
                 .start  = OTG_BASE_ADDR,
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index 27779c3e93e7..475410ada60a 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -11,6 +11,7 @@ extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_i2c_device2;
 extern struct platform_device mx3_ipu;
 extern struct platform_device mx3_fb;
+extern struct platform_device mx3_camera;
 extern struct platform_device mxc_fec_device;
 extern struct platform_device mxcsdhc_device0;
 extern struct platform_device mxcsdhc_device1;