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authorSascha Hauer <s.hauer@pengutronix.de>2016-02-03 10:25:36 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2016-02-04 08:40:36 +0100
commit0ff58575c9d66f660886387c2e68d8c5c724e87b (patch)
tree4a889d1478da83ae46db96f5c049872cdb90eeb6 /dts/Bindings/dma/ti-dma-crossbar.txt
parenta0da52f83c36a81984e0fca4b75d522b955df267 (diff)
downloadbarebox-0ff58575c9d66f660886387c2e68d8c5c724e87b.tar.gz
barebox-0ff58575c9d66f660886387c2e68d8c5c724e87b.tar.xz
dts: update to v4.5-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/dma/ti-dma-crossbar.txt')
-rw-r--r--dts/Bindings/dma/ti-dma-crossbar.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/dts/Bindings/dma/ti-dma-crossbar.txt b/dts/Bindings/dma/ti-dma-crossbar.txt
index b152a75dce..aead5869a2 100644
--- a/dts/Bindings/dma/ti-dma-crossbar.txt
+++ b/dts/Bindings/dma/ti-dma-crossbar.txt
@@ -14,6 +14,10 @@ The DMA controller node need to have the following poroperties:
Optional properties:
- ti,dma-safe-map: Safe routing value for unused request lines
+- ti,reserved-dma-request-ranges: DMA request ranges which should not be used
+ when mapping xbar input to DMA request, they are either
+ allocated to be used by for example the DSP or they are used as
+ memcpy channels in eDMA.
Notes:
When requesting channel via ti,dra7-dma-crossbar, the DMA clinet must request
@@ -46,6 +50,8 @@ sdma_xbar: dma-router@4a002b78 {
#dma-cells = <1>;
dma-requests = <205>;
ti,dma-safe-map = <0>;
+ /* Protect the sDMA request ranges: 10-14 and 100-126 */
+ ti,reserved-dma-request-ranges = <10 5>, <100 27>;
dma-masters = <&sdma>;
};