pch_dma: support new device ML7213 IOH

Support new device OKI SEMICONDUCTOR's ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.
The ML7213 is companion chip for Intel Atom E6xx series.
The ML7213 is completely compatible for Intel EG20T PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 6ee23592700a..1b61d3aa2962 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -200,11 +200,16 @@ config PL330_DMA
           platform_data for a dma-pl330 device.
 
 config PCH_DMA
-        tristate "Topcliff (Intel EG20T) PCH DMA support"
+        tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7213 IOH DMA support"
         depends on PCI && X86
         select DMA_ENGINE
         help
-          Enable support for the Topcliff (Intel EG20T) PCH DMA engine.
+          Enable support for Intel EG20T PCH DMA engine.
+
+          This driver also can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/
+          Output Hub) which is for IVI(In-Vehicle Infotainment) use.
+          ML7213 is companion chip for Intel Atom E6xx series.
+          ML7213 is completely compatible for Intel EG20T PCH.
 
 config IMX_SDMA
         tristate "i.MX SDMA support"