On 07/24/2013 01:21:07 AM, [email protected] wrote:
From: Hongbo Zhang <[email protected]>
Freescale QorIQ T4 and B4 introduce new 8-channel DMA engines, this
patch add
the device tree nodes for them.
Signed-off-by: Hongbo Zhang <[email protected]>
---
.../devicetree/bindings/powerpc/fsl/dma.txt | 66
++++++++++++++++
arch/powerpc/boot/dts/fsl/b4si-post.dtsi | 4 +-
arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi | 81
++++++++++++++++++++
arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi | 81
++++++++++++++++++++
arch/powerpc/boot/dts/fsl/t4240si-post.dtsi | 4 +-
5 files changed, 232 insertions(+), 4 deletions(-)
create mode 100644 arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi
create mode 100644 arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi
diff --git a/Documentation/devicetree/bindings/powerpc/fsl/dma.txt
b/Documentation/devicetree/bindings/powerpc/fsl/dma.txt
index ed703d9..54a023b2 100644
--- a/Documentation/devicetree/bindings/powerpc/fsl/dma.txt
+++ b/Documentation/devicetree/bindings/powerpc/fsl/dma.txt
@@ -130,6 +130,72 @@ Example:
};
};
+** Freescale Elo3 DMA Controller
+ This is EloPlus controller with 8 channels, used in Freescale
Txxx and Bxxx
+ series chips, such as t1040, t4240, b4860.
+
+Required properties:
+
+- compatible : should be "fsl,elo3-dma"
Should include "fsl,elo3-dma". There's nothing different about elo3
versus elo/eloplus regarding whether fsl,CHIP-dma is allowed. I'd just
drop the references to fsl,CHIP-dma throughout the binding, and phrase
the compatible description as "must include" rather than "must be" so
that additional strings are allowed.
-Scott
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