dmaengine Archive on lore.kernel.org
 help / color / Atom feed
From: yibin.gong@nxp.com
To: robh@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
	festevam@gmail.com, mark.rutland@arm.com, vkoul@kernel.org,
	dan.j.williams@intel.com, angelo@sysam.it
Cc: linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
	devicetree@vger.kernel.org, kernel@pengutronix.de
Subject: [PATCH v5 0/6] add edma2 for i.mx7ulp
Date: Tue, 25 Jun 2019 17:43:18 +0800
Message-ID: <20190625094324.19196-1-yibin.gong@nxp.com> (raw)

From: Robin Gong <yibin.gong@nxp.com>

This patch set add new version of edma for i.mx7ulp, the main changes
are as belows:
 1. only one dmamux.
 2. another clock dma_clk except dmamux clk.
 3. 16 independent interrupts instead of only one interrupt for
    all channels
For the first change, need modify fsl-edma-common.c and mcf-edma,
so create the first two patches to prepare without any function impact.

For the third change, need request single irq for every channel with
the legacy handler. But actually 2 dma channels share one interrupt(16
channel interrupts, but 32 channels.),ch0/ch16,ch1/ch17... For now, just
simply request irq without IRQF_SHARED flag, since 16 channels are enough
on i.mx7ulp whose M4 domain own some peripherals.

change from v1:
  1. check .data of 'of_device_id' in probe instead of compatible name.

change from v2:
  1. move the difference between edma and edma2 into driver data so that
     no need version checking in fsl-edma.c.

change from v3:
  1. remove duplicated 'version' and 'dmamux_nr' in 'struct fsl_edma_engine'
     since they are included in drvdata already.
  2. downgrade print log level.
  3. address some minor indent issues raised by Vinod.

change from v4:
  1. correct typo.

Robin Gong (6):
  dmaengine: fsl-edma: add drvdata for fsl-edma
  dmaengine: fsl-edma-common: move dmamux register to another single
    function
  dmaengine: fsl-edma-common: version check for v2 instead
  dt-bindings: dma: fsl-edma: add new i.mx7ulp-edma
  dmaengine: fsl-edma: add i.mx7ulp edma2 version support
  ARM: dts: imx7ulp: add edma device node

 Documentation/devicetree/bindings/dma/fsl-edma.txt |  44 ++++++++-
 arch/arm/boot/dts/imx7ulp.dtsi                     |  28 ++++++
 drivers/dma/fsl-edma-common.c                      |  83 ++++++++++------
 drivers/dma/fsl-edma-common.h                      |  14 ++-
 drivers/dma/fsl-edma.c                             | 109 ++++++++++++++++++---
 drivers/dma/mcf-edma.c                             |  11 ++-
 6 files changed, 239 insertions(+), 50 deletions(-)

-- 
2.7.4


             reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-25  9:43 yibin.gong [this message]
2019-06-25  9:43 ` [PATCH v5 1/6] dmaengine: fsl-edma: add drvdata for fsl-edma yibin.gong
2019-06-25  9:43 ` [PATCH v5 2/6] dmaengine: fsl-edma-common: move dmamux register to another single function yibin.gong
2019-06-25  9:43 ` [PATCH v5 3/6] dmaengine: fsl-edma-common: version check for v2 instead yibin.gong
2019-06-25  9:43 ` [PATCH v5 4/6] dt-bindings: dma: fsl-edma: add new i.mx7ulp-edma yibin.gong
2019-06-25  9:43 ` [PATCH v5 5/6] dmaengine: fsl-edma: add i.mx7ulp edma2 version support yibin.gong
2019-06-25  9:43 ` [PATCH v5 6/6] ARM: dts: imx7ulp: add edma device node yibin.gong
2019-07-18  2:49   ` Shawn Guo
2019-06-25 20:56 ` [PATCH v5 0/6] add edma2 for i.mx7ulp Angelo Dureghello
2019-07-03  7:58 ` Vinod Koul

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190625094324.19196-1-yibin.gong@nxp.com \
    --to=yibin.gong@nxp.com \
    --cc=angelo@sysam.it \
    --cc=dan.j.williams@intel.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dmaengine@vger.kernel.org \
    --cc=festevam@gmail.com \
    --cc=kernel@pengutronix.de \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-imx@nxp.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=robh@kernel.org \
    --cc=s.hauer@pengutronix.de \
    --cc=shawnguo@kernel.org \
    --cc=vkoul@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

dmaengine Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/dmaengine/0 dmaengine/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dmaengine dmaengine/ https://lore.kernel.org/dmaengine \
		dmaengine@vger.kernel.org
	public-inbox-index dmaengine

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.dmaengine


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git