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* docs: state: make string variable type clearerStefan Lengfeld2016-11-031-2/+2
| | | | | | | Only fixed length strings are supported. Make the wording clearer. Signed-off-by: Stefan Lengfeld <s.lengfeld@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* docs: Add/Update state documentationMarkus Pargmann2016-07-081-1/+6
| | | | | Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* rtc: ds1307: Add support for configuring external clock pinTrent Piepho2016-05-301-0/+33
| | | | | | | | | | | | | | | | | | | | The DS1307 has a square wave output pin, which can be used to output a clock signal from the DS1307. Additionally, the DS1308 supports configuring this pin as an input from an external clock source to which it should sync itself. Add support with OF device tree properties to configure these settings. Supported features are using the clock pin as an output, an input, the rate of the pin, and if it should be enabled on battery backup power. The driver does not check that the selected features are supported by the clock chip being used. It is the designer's responsibility to create a valid device tree node; the bootloader does not attempt to be a device tree validator. Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: m25p80: include in documentationRobert Schwebel2016-02-101-0/+1
| | | | | | | | | | | Fix this warning: checking consistency... [...]Documentation/devicetree/bindings/mtd/m25p80.rst:: WARNING: document isn't included in any toctree by including the document. Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* docs: fix typosUlrich Ölmann2016-02-041-1/+1
| | | | | Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* environment: Support env from file in a file-system via device treeTrent Piepho2016-01-081-1/+14
| | | | | | | | | | | | | | | Current barebox,environment node only allows specifying a raw device or partition to load an environment from. Some boards, like OMAP and SoCFPGA, instead want to use a file located in a FAT filesystem. Extend the device tree bindings with a new property 'file-path' that will trigger this behavior. This allows any board using this driver to get the env from a file or from a raw device, instead of each machine type being either raw device only or file only. Signed-off-by: Trent Piepho <tpiepho@kymetacorp.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* state: implement signed int supportSascha Hauer2016-01-081-2/+3
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* state: backend_raw: add hmac supportMarc Kleine-Budde2015-11-271-0/+19
| | | | | | | | | | | | This patch adds hmac support to the raw backend. With this patch, modifications of the header or data of a state partition can be detected, as the hmac woudln't match anymore. The hmac relies on a shared secret, which is requested from the keystore, with keystore_get_secret() using the name of the state partition as the "name" of the secret. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/of_path'Sascha Hauer2015-09-011-2/+3
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| * of_path: Allow pointing directly to the partitionSascha Hauer2015-09-011-2/+3
| | | | | | | | | | | | | | | | We could only point to partitions in the device tree by using &norflash, "partname:barebox-environment". Allow to point to the partition directly without having to parse the partition labels. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | mtd: m25p80: make it possible to use large blocks if desiredSascha Hauer2015-08-261-0/+10
|/ | | | | | | | | | Some SPI NOR flashes support 4K erase blocks. 4K erase blocks do not work with UBIFS which needs a minimum erase block size of 15360 bytes. Also bigger sectors are faster to erase. This patch adds a device tree option to use the bigger blocks instead of the default 4K blocks. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
* state: add support for fixed length stringsMarc Kleine-Budde2015-06-261-4/+15
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* state: Documentation: fix dts code exampleMarc Kleine-Budde2015-06-171-3/+3
| | | | | | | It's "uint32" not "u32" and we use integers for the "enum32" defaults. Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* state: Documentation: the backend properties are not optional (anymore)Marc Kleine-Budde2015-06-171-3/+0
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* state: Documentation: add newly implemented "uint8" types.Marc Kleine-Budde2015-06-171-5/+5
| | | | | | Cc: Jan Luebbe <jluebbe@debian.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* state: documentation: add anchor so that state can be referenced laterMarc Kleine-Budde2015-05-151-1/+3
| | | | | Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* state: add framework for persistent state handlingSascha Hauer2015-03-121-0/+107
| | | | | | | | | | | | | | | | This patch adds a framework to describe, access, store and restore a set of variables. A state variable set can be fully described in a devicetree node. This node could be part of the regular devicetree blob or it could be an extra devicetree solely for the state. The state variable set contains variables of different types and a place to store the variable set. For more information see: Documentation/devicetree/bindings/barebox/barebox,state.rst Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Jan Luebbe <jlu@pengutronix.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* DT: Add binding for Altera SOCFPGA FPGA ManagerSteffen Trumtrar2014-09-091-0/+19
| | | | | | | | | Altera SOCFPGA have a FPGA Manager, that manages and monitors the FPGA portion of the SoC. Cc: devicetree@vger.kernel.org Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* DT: Add binding for Altera FPGAs in passive-serial modeSascha Hauer2014-09-091-0/+24
| | | | | | | | | | Altera FPGAs that are programmed via SPI use the passive serial protocol. Add a simple binding that describes the setup for this usecase. Cc: devicetree@vger.kernel.org Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* led: try to get LED's label from the 'label' propertyAntony Pavlov2014-07-291-0/+2
| | | | | Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: device tree bindings.Robert P. J. Day2014-07-024-20/+22
| | | | | | | Adjusted Sphinx markup for devicetree bindings pages. Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* doc: start (almost) all headlines with a capitalHolger Schurig2014-06-271-1/+1
| | | | | Signed-off-by: Holger Schurig <holgerschurig@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: Add new sphinxs docsSascha Hauer2014-06-266-0/+95
| | | | | | | | | | This is a rewrite of the Documentation in reStructuredText format using Sphinx as build system, see http://sphinx-doc.org/. The documentation is built into static html pages with 'make docs'. The pages can be found under Documentation/html after building. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: remove devicetree docsSascha Hauer2014-06-266-89/+0
| | | | | | | Remove the barebox devicetree documentation. It will be replaced with sphinx based documentation later. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Documentation: Update binding doc for i.MX IIMAlexander Shiyan2014-04-081-2/+2
| | | | | Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/of'Sascha Hauer2013-08-053-0/+43
|\ | | | | | | | | | | Conflicts: arch/arm/boards/freescale-mx53-loco/board.c drivers/of/Makefile
| * Add configurability via devicetreeSascha Hauer2013-07-182-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the possibility to configure the place for the environment from the devicetree and to partition devices from the devicetree. Configuration has the general form of devices with a regular compatible property. This allows to later add additional drivers or drivers with different behaviour (for example to add support for redundant environment). The configuration is all in the /chosen/barebox/ hierarchy of the devicetree. This separates the configuration from the hardware description. Also it makes it possible to store the configuration in a completely separate devicetree (or devicetree overlay). For the same reason all configuration is done using nodepathes rather than phandles. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * led: gpio: Add trigger supportSascha Hauer2013-07-101-0/+8
| | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | ARM: i.MX6: Add ocotp driverSascha Hauer2013-07-221-0/+20
|/ | | | | | | The only functionality at the moment is to register a MAC Address for an ethernet device. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* ARM: i.MX: iim: Add devicetree probe supportSascha Hauer2013-05-232-0/+26
Only adds the dt ids. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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