From: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
To: linux-arm-kernel@lists.infradead.org
Cc: "Rob Herring" <robh+dt@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Shawn Guo" <shawnguo@kernel.org>,
"Sascha Hauer" <s.hauer@pengutronix.de>,
"Pengutronix Kernel Team" <kernel@pengutronix.de>,
"Fabio Estevam" <festevam@gmail.com>,
"NXP Linux Team" <linux-imx@nxp.com>,
"Thierry Reding" <treding@nvidia.com>,
"Manivannan Sadhasivam" <manivannan.sadhasivam@linaro.org>,
"Kevin Hilman" <khilman@baylibre.com>,
"Heiko Stuebner" <heiko@sntech.de>,
"Jagan Teki" <jagan@amarulasolutions.com>,
"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
"Johan Hovold" <johan@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
"Jonathan Neuschäfer" <j.neuschaefer@gmx.net>
Subject: [PATCH 0/5] ARM: Initial devicetree for Kobo Aura
Date: Tue, 19 Mar 2019 16:24:15 +0100 [thread overview]
Message-ID: <20190319152421.16179-1-j.neuschaefer@gmx.net> (raw)
This series adds a devicetree for the i.MX507-based Kobo Aura e-book
reader, and fixes a few things in imx50.dtsi along the way.
A lot of functionality is still missing:
- poweroff/reboot, RTC, and battery monitoring support, as well as a PWM
channel for the display backlight are provided by a custom embedded
controller, which will be supported by a future patchset.
The EC driver will also tell the EC to keep the board powered on;
otherwise the EC will power the board off after about ten seconds
(presumably to avoid battery drain if the OS is missing or corrupted)
- The touchscreen controller, eKTF2132, currently doesn't have a
mainline driver.
- The e-paper display controller (EPDC) embedded in the i.MX50 SoC will
need a whole new DRM driver, devicetree bindings, etc.
- The TPS65185 PMIC, which generates the voltages necessary for driving
the E Ink panel, also needs a driver
- The backlight doesn't quite fit the existing pwm-backlight DT binding,
because it uses an additional GPIO to boost the brightness. This
requires some devicetree work
- Linux doesn't currently support suspend-to-ram on i.MX50
In order to keep the system running when CONFIG_PM is enabled, the
following fix is also required:
https://lore.kernel.org/lkml/20190318231737.8459-1-j.neuschaefer@gmx.net/
My own notes about this machine can be found here:
https://github.com/neuschaefer/linux/wiki/Kobo-Aura
Jonathan Neuschäfer (5):
dt-bindings: Add vendor prefix for Rakuten Kobo, Inc.
ARM: dts: imx50: Add Kobo Aura DTS
ARM: dts: imx50: Add PHY node for usbotg and adjust clocks
ARM: dts: imx50-kobo-aura: Enable USB support
ARM: dts: imx50: Fix the numbering of the I2C controllers
.../devicetree/bindings/vendor-prefixes.txt | 1 +
arch/arm/boot/dts/Makefile | 3 +-
arch/arm/boot/dts/imx50-kobo-aura.dts | 263 ++++++++++++++++++
arch/arm/boot/dts/imx50.dtsi | 14 +-
4 files changed, 279 insertions(+), 2 deletions(-)
create mode 100644 arch/arm/boot/dts/imx50-kobo-aura.dts
--
2.20.1
next reply other threads:[~2019-03-19 15:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-19 15:24 Jonathan Neuschäfer [this message]
2019-03-19 15:24 ` [PATCH 1/5] dt-bindings: Add vendor prefix for Rakuten Kobo, Inc Jonathan Neuschäfer
2019-03-19 15:24 ` [PATCH 2/5] ARM: dts: imx50: Add Kobo Aura DTS Jonathan Neuschäfer
2019-03-22 1:31 ` Shawn Guo
2019-03-26 16:26 ` Jonathan Neuschäfer
2019-03-29 2:44 ` Shawn Guo
2019-03-19 15:24 ` [PATCH 3/5] ARM: dts: imx50: Add PHY node for usbotg and adjust clocks Jonathan Neuschäfer
2019-03-22 1:41 ` Shawn Guo
2019-03-19 15:24 ` [PATCH 4/5] ARM: dts: imx50-kobo-aura: Enable USB support Jonathan Neuschäfer
2019-03-19 15:24 ` [PATCH 5/5] ARM: dts: imx50: Fix the numbering of the I2C controllers Jonathan Neuschäfer
2019-03-22 1:46 ` Shawn Guo
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