linux-kernel - [PATCH_V4 0/3] dma: dt: Add DMA driver for jz4780

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Message-ID: <1426695397-54906-1-git-send-email-Zubair.Kakakhel@imgtec.com>
Date:	Wed, 18 Mar 2015 16:16:34 +0000
From:	Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>
To:	<vinod.koul@...el.com>
CC:	<dan.j.williams@...el.com>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <alex@...x-smith.me.uk>,
	<Zubair.Kakakhel@...tec.com>
Subject: [PATCH_V4 0/3] dma: dt: Add DMA driver for jz4780

Hi,

Here we have three patches that add a DMA driver for the Ingenic JZ4780 SoC.

JZ4780 support is still in-flight.

These are based on 4.0-rc4.

Apart from the channel numbers, jz4740 and jz4780 are quite different.
The descriptor bit fields are different in a register
There is an extra register for stride in jz4780
jz4780 has more/different features in hardware.

Hence, we are unable to use the jz4740-dma driver.

V3->V4
some minor fixes.
driver would default to 4 byte transfer size in case of unsupported.
now gives error instead

V2->V3 changes
DMA bindings. See patches for details.

V1->V2 changes
Updates for dmaengine api changes.
Add residue support.
Details in the patch commit message

ZubairLK

Alex Smith (2):
  dt-bindings: dma: Add binding for jz4780-dma
  dma: jz4780: add driver for the Ingenic JZ4780 DMA controller

Zubair Lutfullah Kakakhel (1):
  MAINTAINERS: Add Ingenic JZ4780 DMA driver maintainer entry

 .../devicetree/bindings/dma/jz4780-dma.txt         |  56 ++
 MAINTAINERS                                        |   5 +
 drivers/dma/Kconfig                                |  10 +
 drivers/dma/Makefile                               |   1 +
 drivers/dma/dma-jz4780.c                           | 877 +++++++++++++++++++++
 include/dt-bindings/dma/jz4780-dma.h               |  49 ++
 6 files changed, 998 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/jz4780-dma.txt
 create mode 100644 drivers/dma/dma-jz4780.c
 create mode 100644 include/dt-bindings/dma/jz4780-dma.h

-- 
1.9.1

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