[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