From: Jon Hunter <jon-hunter@ti.com>
To: device-tree <devicetree-discuss@lists.ozlabs.org>
Cc: linux-omap <linux-omap@vger.kernel.org>,
linux-arm <linux-arm-kernel@lists.infradead.org>,
Jon Hunter <jon-hunter@ti.com>,
Nicolas Ferre <nicolas.ferre@atmel.com>,
Benoit Cousson <b-cousson@ti.com>,
Stephen Warren <swarren@nvidia.com>,
Grant Likely <grant.likely@secretlab.ca>,
Russell King <linux@arm.linux.org.uk>,
Rob Herring <rob.herring@calxeda.com>,
Arnd Bergmann <arnd@arndb.de>
Subject: [PATCH V3 0/2] of: Add generic device tree DMA helpers
Date: Mon, 30 Apr 2012 16:16:27 -0500 [thread overview]
Message-ID: <1335820587-28679-1-git-send-email-jon-hunter@ti.com> (raw)
From: Jon Hunter <jon-hunter@ti.com>
This is based upon the work by Benoit Cousson [1] and Nicolas Ferre [2]
to add some basic helpers to retrieve a DMA controller device_node and the
DMA request/channel information.
[1] http://article.gmane.org/gmane.linux.drivers.devicetree/12022
[2] http://article.gmane.org/gmane.linux.ports.arm.omap/73622
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Stephen Warren <swarren@nvidia.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Jon Hunter (2):
of: Add generic device tree DMA helpers
of: selftest/dma: Add selftest for new DT DMA
Documentation/devicetree/bindings/dma/dma.txt | 47 ++++++
arch/arm/boot/dts/at91sam9m10g45ek.dts | 2 +
arch/arm/boot/dts/omap4-panda.dts | 2 +
arch/arm/boot/dts/testcases/tests-dma.dtsi | 32 ++++
arch/arm/boot/dts/testcases/tests.dtsi | 1 +
drivers/of/Makefile | 2 +-
drivers/of/dma.c | 203 +++++++++++++++++++++++++
drivers/of/selftest.c | 118 ++++++++++++++
include/linux/of_dma.h | 35 +++++
9 files changed, 441 insertions(+), 1 deletions(-)
create mode 100644 Documentation/devicetree/bindings/dma/dma.txt
create mode 100644 arch/arm/boot/dts/testcases/tests-dma.dtsi
create mode 100644 drivers/of/dma.c
create mode 100644 include/linux/of_dma.h
--
1.7.5.4
reply other threads:[~2012-04-30 21:16 UTC|newest]
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