[patch 1/1] fsldma: the MPC8377MDS board device tree node for fsldma driver

akpm at linux-foundation.org akpm at linux-foundation.org
Tue Jun 10 09:29:54 EST 2008


From: Zhang Wei <wei.zhang at freescale.com>

The fsldma driver is tested on MPC8377MDS board.  The patch adds fsldma driver
support into MPC8377MDS device tree.

Signed-off-by: Zhang Wei <wei.zhang at freescale.com>
Cc: "Nelson, Shannon" <shannon.nelson at intel.com>
Cc: Dan Williams <dan.j.williams at intel.com>
Cc: Kumar Gala <galak at gate.crashing.org>
Cc: Paul Mackerras <paulus at samba.org>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: Scott Wood <scottwood at freescale.com>
Cc: Li Yang <leoli at freescale.com>

On Wed, 14 May 2008 18:28:08 -0500
Scott Wood <scottwood at freescale.com> wrote:


> akpm at linux-foundation.org wrote:
> > From: Zhang Wei <wei.zhang at freescale.com>
> > 
> 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 at 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 at 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 at 0 {
+				compatible = "fsl,mpc8349-dma-channel";
+				reg = <0 0x80>;
+			};
+			dma-channel at 80 {
+				compatible = "fsl,mpc8349-dma-channel";
+				reg = <0x80 0x80>;
+			};
+			dma-channel at 100 {
+				compatible = "fsl,mpc8349-dma-channel";
+				reg = <0x100 0x80>;
+			};
+			dma-channel at 180 {
+				compatible = "fsl,mpc8349-dma-channel";
+				reg = <0x180 0x28>;
+			};
+		};
+
 		/* IPIC
 		 * interrupts cell = <intr #, sense>
 		 * sense values match linux IORESOURCE_IRQ_* defines:
_



More information about the Linuxppc-dev mailing list