[POWERPC] 85xx: Enable DMA engine on the MPC8544 DS

Add the device tree node for the DMA engine on 8544, publish
the device and enable the driver in the defconfig.

Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
index 2865d019afc3..dfd8b4ad9b28 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c
@@ -19,6 +19,7 @@
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/interrupt.h>
+#include <linux/of_platform.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
@@ -183,6 +184,18 @@ static int __init mpc8544_ds_probe(void)
         }
 }
 
+static struct of_device_id mpc85xxds_ids[] = {
+        { .type = "soc", },
+        { .compatible = "soc", },
+        {},
+};
+
+static int __init mpc85xxds_publish_devices(void)
+{
+        return of_platform_bus_probe(NULL, mpc85xxds_ids, NULL);
+}
+machine_device_initcall(mpc8544_ds, mpc85xxds_publish_devices);
+
 /*
  * Called very early, device-tree isn't unflattened
  */