LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Akhil R <akhilrajeev@nvidia.com>
To: <akhilrajeev@nvidia.com>
Cc: <dan.j.williams@intel.com>, <dmaengine@vger.kernel.org>,
	<jonathanh@nvidia.com>, <kyarlagadda@nvidia.com>,
	<ldewangan@nvidia.com>, <linux-kernel@vger.kernel.org>,
	<linux-tegra@vger.kernel.org>, <p.zabel@pengutronix.de>,
	<rgumasta@nvidia.com>, <thierry.reding@gmail.com>,
	<vkoul@kernel.org>
Subject: [PATCH v7 0/4] Add Nvidia Tegra GPC-DMA driver
Date: Thu, 23 Sep 2021 13:21:20 +0530	[thread overview]
Message-ID: <1632383484-23487-1-git-send-email-akhilrajeev@nvidia.com> (raw)
In-Reply-To: <1631887887-18967-1-git-send-email-akhilrajeev@nvidia.com>

Add support for Nvida Tegra general purpose DMA driver for
Tegra186 and Tegra194 platform.

Changes in patch v7:
	* changed function name / position changes for consistency.
	* moved tegra_dma_start to isr and removed to_terminate flag.
	* Updates in register reads, variables and checks based
	  on comments in v6.
	* Corrections in prints as per comments in v6
	* Updated the logic to get dma burst size
	* Handled the case where the vchan_find_desc() return NULL, but the
	  descriptor is in progress

v6 - https://lkml.org/lkml/2021/9/17/652
v2..v5 - https://lkml.org/lkml/2021/9/16/455
v1 - https://lkml.org/lkml/2020/7/20/96

Akhil R (4):
  dt-bindings: dmaengine: Add doc for tegra gpcdma
  dmaengine: tegra: Add tegra gpcdma driver
  arm64: defconfig: tegra: Enable GPCDMA
  arm64: tegra: Add GPCDMA node for tegra186 and tegra194

 .../bindings/dma/nvidia,tegra186-gpc-dma.yaml      |   98 ++
 arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi     |    4 +
 arch/arm64/boot/dts/nvidia/tegra186.dtsi           |   44 +
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi     |    4 +
 arch/arm64/boot/dts/nvidia/tegra194.dtsi           |   44 +
 arch/arm64/configs/defconfig                       |    1 +
 drivers/dma/Kconfig                                |   12 +
 drivers/dma/Makefile                               |    1 +
 drivers/dma/tegra186-gpc-dma.c                     | 1354 ++++++++++++++++++++
 9 files changed, 1562 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
 create mode 100644 drivers/dma/tegra186-gpc-dma.c

-- 
2.7.4


  parent reply	other threads:[~2021-09-23  7:51 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-17 14:11 [PATCH v6 " Akhil R
2021-09-17 14:11 ` [PATCH v6 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma Akhil R
2021-09-17 14:11 ` [PATCH v6 2/4] dmaengine: tegra: Add tegra gpcdma driver Akhil R
2021-09-17 15:36   ` Jon Hunter
2021-09-22 14:46     ` Akhil R
2021-09-23 12:22       ` Jon Hunter
2021-09-23 12:51         ` Akhil R
2021-09-23 13:20           ` Jon Hunter
2021-09-17 14:11 ` [PATCH v6 3/4] arm64: defconfig: tegra: Enable GPCDMA Akhil R
2021-09-17 14:11 ` [PATCH v6 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194 Akhil R
2021-09-23  7:51 ` Akhil R [this message]
2021-09-23  7:51   ` [PATCH v7 1/4] dt-bindings: dmaengine: Add doc for tegra gpcdma Akhil R
2021-09-23 22:35     ` Jon Hunter
2021-09-23  7:51   ` [PATCH v7 2/4] dmaengine: tegra: Add tegra gpcdma driver Akhil R
2021-09-23 23:27     ` Jon Hunter
2021-09-23  7:51   ` [PATCH v7 3/4] arm64: defconfig: tegra: Enable GPCDMA Akhil R
2021-09-23  7:51   ` [PATCH v7 4/4] arm64: tegra: Add GPCDMA node for tegra186 and tegra194 Akhil R
2021-09-23 23:20     ` Jon Hunter

Reply instructions:

You may reply publicly 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=1632383484-23487-1-git-send-email-akhilrajeev@nvidia.com \
    --to=akhilrajeev@nvidia.com \
    --cc=dan.j.williams@intel.com \
    --cc=dmaengine@vger.kernel.org \
    --cc=jonathanh@nvidia.com \
    --cc=kyarlagadda@nvidia.com \
    --cc=ldewangan@nvidia.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tegra@vger.kernel.org \
    --cc=p.zabel@pengutronix.de \
    --cc=rgumasta@nvidia.com \
    --cc=thierry.reding@gmail.com \
    --cc=vkoul@kernel.org \
    --subject='Re: [PATCH v7 0/4] Add Nvidia Tegra GPC-DMA driver' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).