[media] MX2: Add platform definitions for eMMa-PrP device

eMMa-PrP device included in Freescale i.MX2 chips can also
be used separately to process memory buffers. This patch
provides arch glue code for the driver which provides this
functionality.

Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

4 files changed, 23 insertions, 1 deletions

diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c
index 88fe00a146e3..dc2d7a511d9b 100644
--- a/arch/arm/mach-imx/clock-imx27.c
+++ b/arch/arm/mach-imx/clock-imx27.c
@@ -661,7 +661,7 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK(NULL, "dma", dma_clk)
         _REGISTER_CLOCK(NULL, "rtic", rtic_clk)
         _REGISTER_CLOCK(NULL, "brom", brom_clk)
-        _REGISTER_CLOCK(NULL, "emma", emma_clk)
+        _REGISTER_CLOCK("m2m-emmaprp.0", NULL, emma_clk)
         _REGISTER_CLOCK(NULL, "slcdc", slcdc_clk)
         _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
         _REGISTER_CLOCK(NULL, "emi", emi_clk)
diff --git a/arch/arm/mach-imx/devices-imx27.h b/arch/arm/mach-imx/devices-imx27.h
index 2f727d7c380c..28537a5d9048 100644
--- a/arch/arm/mach-imx/devices-imx27.h
+++ b/arch/arm/mach-imx/devices-imx27.h
@@ -50,6 +50,8 @@ extern const struct imx_imx_uart_1irq_data imx27_imx_uart_data[];
 extern const struct imx_mx2_camera_data imx27_mx2_camera_data;
 #define imx27_add_mx2_camera(pdata)     \
         imx_add_mx2_camera(&imx27_mx2_camera_data, pdata)
+#define imx27_add_mx2_emmaprp(pdata)    \
+        imx_add_mx2_emmaprp(&imx27_mx2_camera_data)
 
 extern const struct imx_mxc_ehci_data imx27_mxc_ehci_otg_data;
 #define imx27_add_mxc_ehci_otg(pdata)   \
diff --git a/arch/arm/plat-mxc/devices/platform-mx2-camera.c b/arch/arm/plat-mxc/devices/platform-mx2-camera.c
index b3f4828dc447..11eace953a09 100644
--- a/arch/arm/plat-mxc/devices/platform-mx2-camera.c
+++ b/arch/arm/plat-mxc/devices/platform-mx2-camera.c
@@ -62,3 +62,21 @@ struct platform_device *__init imx_add_mx2_camera(
                         res, data->iobaseemmaprp ? 4 : 2,
                         pdata, sizeof(*pdata), DMA_BIT_MASK(32));
 }
+
+struct platform_device *__init imx_add_mx2_emmaprp(
+                const struct imx_mx2_camera_data *data)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobaseemmaprp,
+                        .end = data->iobaseemmaprp + data->iosizeemmaprp - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->irqemmaprp,
+                        .end = data->irqemmaprp,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+        return imx_add_platform_device_dmamask("m2m-emmaprp", 0,
+                        res, 2, NULL, 0, DMA_BIT_MASK(32));
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index def9ba53e23a..1b2258daa05b 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -223,6 +223,8 @@ struct imx_mx2_camera_data {
 struct platform_device *__init imx_add_mx2_camera(
                 const struct imx_mx2_camera_data *data,
                 const struct mx2_camera_platform_data *pdata);
+struct platform_device *__init imx_add_mx2_emmaprp(
+                const struct imx_mx2_camera_data *data);
 
 #include <mach/mxc_ehci.h>
 struct imx_mxc_ehci_data {