[ARM] 3799/1: S3C2442: DMA channel mappings

DMA channel mappings for the S3C2442

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

3 files changed, 23 insertions, 1 deletions

diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index bbd138be6a70..61a359c4aa47 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -133,6 +133,13 @@ config S3C2410_CLOCK
         help
           Clock code for the S3C2410, and similar processors
 
+config CPU_S3C2410_DMA
+        bool
+        depends on S3C2410_DMA && (CPU_S3C2410 || CPU_S3C2442)
+        default y if CPU_S3C2410 || CPU_S3C2442
+        help
+          DMA device selection for S3C2410 and compatible CPUs
+
 config CPU_S3C2410
         bool
         depends on ARCH_S3C2410
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index 129e037c037d..a3509052f435 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -22,7 +22,7 @@ obj-$(CONFIG_CPU_S3C2400)	+= s3c2400-gpio.o
 
 obj-$(CONFIG_CPU_S3C2410)       += s3c2410.o
 obj-$(CONFIG_CPU_S3C2410)       += s3c2410-gpio.o
-obj-dma-$(CONFIG_CPU_S3C2410)   += s3c2410-dma.o
+obj-$(CONFIG_CPU_S3C2410_DMA)   += s3c2410-dma.o
 
 # Power Management support
 
diff --git a/arch/arm/mach-s3c2410/s3c2410-dma.c b/arch/arm/mach-s3c2410/s3c2410-dma.c
index 91bc169fc25e..51e5098b32e8 100644
--- a/arch/arm/mach-s3c2410/s3c2410-dma.c
+++ b/arch/arm/mach-s3c2410/s3c2410-dma.c
@@ -141,3 +141,18 @@ static int __init s3c2410_dma_init(void)
 }
 
 arch_initcall(s3c2410_dma_init);
+
+/* S3C2442 DMA contains the same selection table as the S3C2410 */
+
+static struct sysdev_driver s3c2442_dma_driver = {
+        .add    = s3c2410_dma_add,
+};
+
+static int __init s3c2442_dma_init(void)
+{
+        return sysdev_driver_register(&s3c2442_sysclass, &s3c2442_dma_driver);
+}
+
+arch_initcall(s3c2442_dma_init);
+
+