Re: [PATCH v6 2/3] DMA: Freescale: Add new 8-channel DMA enginedevice tree nodes

From: Scott Wood
Date: Fri Jul 26 2013 - 18:03:20 EST


On 07/26/2013 05:27:15 AM, hongbo.zhang@xxxxxxxxxxxxx wrote:
From: Hongbo Zhang <hongbo.zhang@xxxxxxxxxxxxx>

Freescale QorIQ T4 and B4 introduce new 8-channel DMA engines, this patch adds
the device tree nodes for them.

Signed-off-by: Hongbo Zhang <hongbo.zhang@xxxxxxxxxxxxx>
---
.../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..c9f81b9 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 : must include "fsl,elo3-dma"

OK, you fixed it here, but you still have the "fsl,CHIP-dma" language in the rest of the document. There is no difference between elo3 and previous chips regarding fsl,CHIP-dma as far as the binding is concerned.

-Scott
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