[patch 1/1] fsldma: the MPC8377MDS board device tree node for fsldma driver
From: akpm@linux-foundation.org
Date: 2008-06-09 23:30:29
From: Zhang Wei <redacted> The fsldma driver is tested on MPC8377MDS board. The patch adds fsldma driver support into MPC8377MDS device tree. Signed-off-by: Zhang Wei <redacted> Cc: "Nelson, Shannon" <redacted> Cc: Dan Williams <redacted> Cc: Kumar Gala <redacted> Cc: Paul Mackerras <redacted> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Scott Wood <redacted> Cc: Li Yang <redacted> On Wed, 14 May 2008 18:28:08 -0500 Scott Wood [off-list ref] wrote:
akpm@linux-foundation.org wrote:quoted
From: Zhang Wei <redacted>According to booting-without-of.txt, the interrupts property should be repeated in each channel. The driver also needs to be fixed to remember whether it registered a DMA-block-level interrupt handler already, and not try to register a channel interrupt.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org> --- arch/powerpc/boot/dts/mpc8377_mds.dts | 27 ++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff -puN arch/powerpc/boot/dts/mpc8377_mds.dts~fsldma-the-mpc8377mds-board-device-tree-node-for-fsldma-driver arch/powerpc/boot/dts/mpc8377_mds.dts
--- a/arch/powerpc/boot/dts/mpc8377_mds.dts~fsldma-the-mpc8377mds-board-device-tree-node-for-fsldma-driver
+++ a/arch/powerpc/boot/dts/mpc8377_mds.dts@@ -303,6 +303,33 @@ }; }; + dma@82a8 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "fsl,mpc8349-dma"; + reg = <0x82a8 4>; + ranges = <0 0x8100 0x1a8>; + interrupt-parent = <&ipic>; + interrupts = <0x47 8>; + cell-index = <0>; + dma-channel@0 { + compatible = "fsl,mpc8349-dma-channel"; + reg = <0 0x80>; + }; + dma-channel@80 { + compatible = "fsl,mpc8349-dma-channel"; + reg = <0x80 0x80>; + }; + dma-channel@100 { + compatible = "fsl,mpc8349-dma-channel"; + reg = <0x100 0x80>; + }; + dma-channel@180 { + compatible = "fsl,mpc8349-dma-channel"; + reg = <0x180 0x28>; + }; + }; + /* IPIC * interrupts cell = <intr #, sense> * sense values match linux IORESOURCE_IRQ_* defines:
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