- 04 May, 2020 6 commits
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Mauro Carvalho Chehab authored
- Add a SPDX header; - Adjust document title; - Add it to devicetree/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Mauro Carvalho Chehab authored
- Add a SPDX header; - Add a document title; - Some whitespace fixes and new line breaks; - Add it to devicetree/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Mauro Carvalho Chehab authored
The devicetree.org doesn't host the Device_Tree_Usage page anymore. So, fix the link to point to a new address. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Mauro Carvalho Chehab authored
- Add a SPDX header; - Adjust document title; - Use footnoote markups; - Some whitespace fixes and new line breaks; - Mark literal blocks as such; - Add it to devicetree/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Mauro Carvalho Chehab authored
There are some device tree documentation under Documentation/devicetree. Add a top index file for it and add the already-existing ReST file on it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Frank Rowand authored
The overlay implementation details in the compiled (DTB) file are now properly implemented by the dtc compiler and should no longer be hard coded in the source file. Signed-off-by: Frank Rowand <frank.rowand@sony.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Rob Herring <robh@kernel.org>
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- 03 May, 2020 9 commits
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Andre Przywara authored
The Calxeda system registers are a collection of MMIO register controlling several more general aspects of the SoC. Beside for some power management tasks this node is also somewhat abused as the container for the clock nodes. Add a binding in DT schema format using json-schema. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Andre Przywara authored
Convert the generic IPMI controller bindings to DT schema format using json-schema. The device_type property is deprecated for most node per the DT spec, but at least the Linux driver matches on it, so I keep it in. The Linux driver parses for some additional and optional properties, but there are no in-tree users. Let's allow extra properties to cover any other users. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Andre Przywara authored
Convert the Calxeda DDR memory controller binding to DT schema format using json-schema. Although this technically covers the whole DRAM controller, the intention to use it only for error reporting and mapping fault addresses to DRAM chips. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Andre Przywara authored
Convert the L2-ECC controller binding to DT schema format using json-schema. This is indented to be just used for error reporting. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Andre Przywara authored
Convert the Calxeda ComboPHY binding to DT schema format using json-schema. There is no driver in the Linux kernel matching the compatible string, but the nodes are parsed by the SATA driver, which links to them using its port-phys property. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Andre Przywara authored
Convert the Calxeda XGMAC Ethernet device binding to DT schema format using json-schema. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Andre Przywara authored
Convert the Calxeda Highbank SATA controller binding to DT schema format using json-schema. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Rob Herring <robh@kernel.org>
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Andre Przywara authored
Convert the Calxeda clock bindings to DT schema format using json-schema. This just covers the actual PLL and divider clock nodes. In the actual DTs they are somewhat unconnected (no ranges or bus compatible) children of the sregs node, but for the actual clock bindings this is not relevant. One oddity is that the addresses are relative to the parent node, without that being pronounced using a ranges property. But this is too late to fix now. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
json-schema versions draft7 and earlier have a weird behavior in that any keywords combined with a '$ref' are ignored (silently). The correct form was to put a '$ref' under an 'allOf'. This behavior is now changed in the 2019-09 json-schema spec and '$ref' can be mixed with other keywords. The json-schema library doesn't yet support this, but the tooling now does a fixup for this and either way works. This has been a constant source of review comments, so let's change this treewide so everyone copies the simpler syntax. Scripted with ruamel.yaml with some manual fixups. Some minor whitespace changes from the script. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Maxime Ripard <mripard@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Wolfram Sang <wsa@the-dreams.de> # for I2C Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio Reviewed-by: Stephen Boyd <sboyd@kernel.org> # clock Signed-off-by: Rob Herring <robh@kernel.org>
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- 01 May, 2020 2 commits
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Rob Herring authored
The dtschema package must be somewhat up to date as the tools and meta-schema checks are still evolving. Implement a version check, so this can be enforced. This will help ensure new schema submissions get checked against the latest meta-schemas. Reviewed-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Lubomir Rintel authored
Some fixes were done during the conversion: Slightly better examples. The original example was for an OMAP serial port, which is not even described by this binding, but by omap_serial.txt instead. Added compatible strings, that were used, byt not documented: andestech,uart16550, cavium,octeon-3860-uart, fsl,16550-FIFO64, nvidia,tegra186-uart, nvidia,tegra194-uart, nxp,lpc1850-uart, opencores,uart16550-rtlsvn105, ralink,mt7620a-uart, ralink,rt3052-uart, ralink,rt3883-uart and xlnx,xps-uart16550-2.00.b. Removed "serial" compatible string. It's redundant with the node name (which, in OFW, serves the same purpose as the compatible string). Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> [robh: allow additional properties. clocks/clock-frequency can be optional on original 8250 series with standard clocks] Signed-off-by: Rob Herring <robh@kernel.org>
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- 30 Apr, 2020 2 commits
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Lubomir Rintel authored
These ports are compatible with NS8250 and handled by the same driver. Get rid of the extra document that fails to document the properties that are actually supported. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
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- 28 Apr, 2020 5 commits
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Nicolas Saenz Julienne authored
When creating a consumer/supplier relationship between two devices, make sure the supplier node is actually active. Otherwise this will create a link relationship that will never be fulfilled. This, in the worst case scenario, will hang the system during boot. Note that, in practice, the fact that a device-tree represented consumer/supplier relationship isn't fulfilled will not prevent devices from successfully probing. Fixes: a3e1d1a7 ("of: property: Add functional dependency link from DT bindings") Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Saravana Kannan <saravanak@google.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Nicolas Saenz Julienne authored
Upon adding a new device from a DT node, we scan its properties and its children's properties in order to create a consumer/supplier relationship between the device and the property provider. That said, it's possible for some of the node's children to be disabled, which will create links that'll never be fulfilled. To get around this, use the for_each_available_child_of_node() function instead of for_each_available_node() when iterating over the node's children. Fixes: d4387cd1 ("of: property: Create device links for all child-supplier depencencies") Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Reviewed-by: Saravana Kannan <saravanak@google.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Saravana Kannan authored
When of_link_to_phandle() was implemented initially, there was no way to tell if device_link_add() was failing because the supplier device hasn't been parsed yet, hasn't been added yet, the links were creating a cycle, etc. Some of these were transient errors that'd go away at a later point. However, with the current set of improved checks, if device_link_add() fails, it'll only be for permanent errors like cycles or out-of-memory errors. Also, with the addition of DL_FLAG_SYNC_STATE_ONLY flag [1] to device links, all the valid dependency cycles due to "proxy" device links (needed for correctness of sync_state() device callback) will never fail device_link_add() due to cycles. So, continuing to retry failing device links (by returning -EAGAIN) is no longer useful. At worst, it prevents platforms from setting fw_devlink=on (or better) because it prevents proper boot up. So, let's not do that anymore. [1] - https://lore.kernel.org/lkml/20191028220027.251605-1-saravanak@google.com/ Cc: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Saravana Kannan <saravanak@google.com> Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
With the bracketed list form, any strings with commas have to be quoted or they are separated. Fixes: 3986a148 ("dt-bindings: iio: Add ltc2983 documentation") Cc: "Nuno Sá" <nuno.sa@analog.com> Cc: Jonathan Cameron <jic23@kernel.org> Cc: Hartmut Knaack <knaack.h@gmx.de> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Cc: linux-iio@vger.kernel.org Acked-by: Nuno Sá <nuno.sa@analog.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Alain Volmat authored
Add a new stm32mp15 specific compatible to handle FastMode+ registers which are different on the stm32mp15 compared to the stm32f7 or stm32h7. Signed-off-by: Alain Volmat <alain.volmat@st.com> Signed-off-by: Rob Herring <robh@kernel.org>
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- 24 Apr, 2020 3 commits
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Douglas Anderson authored
The defaults listed in the bindings don't match what the code is actually doing. Presumably existing users care more about keeping existing behavior the same, so change the bindings to match the code in Linux. The "qcom,preemphasis-level" default has been wrong for quite a long time (May 2018). The other two were recently added. As some evidence that these values are wrong, this is from the Linux driver: - qcom,preemphasis-level: sets "PORT_TUNE1", lower 2 bits. Driver programs PORT_TUNE1 to 0x30 by default and (0x30 & 0x3) = 0. - qcom,bias-ctrl-value: sets "PLL_BIAS_CONTROL_2", lower 6 bits. Driver programs PLL_BIAS_CONTROL_2 to 0x20 by default and (0x20 & 0x3f) = 0x20 = 32. - qcom,hsdisc-trim-value: sets "PORT_TUNE2", lower 2 bits. Driver programs PORT_TUNE2 to 0x29 by default and (0x29 & 0x3) = 1. Fixes: 1e6f134e ("dt-bindings: phy: qcom-qusb2: Add support for overriding Phy tuning parameters") Fixes: a8b70ccf ("dt-bindings: phy-qcom-usb2: Add support to override tuning values") Signed-off-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
There's several cases of json-schema 'additionalProperties' at the wrong indentation level which has the effect of making them DT properties. This is harmless, but let's fix them so a meta-schema check for this can be added. In all the cases, either the 'additionalProperties' was extra or doesn't work because there's a $ref to more properties. In the latter case, we can use 'unevaluatedProperties' instead. Reported-by: Iskren Chernev <iskren.chernev@gmail.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Saravanan Sekar <sravanhome@gmail.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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Rob Herring authored
As the number of schemas has increased, we're starting to hit the error "execvp: /bin/sh: Argument list too long". This is due to passing all the schema files on the command line to dt-mk-schema. It currently is only with out of tree builds and is intermittent depending on the file path lengths. Commit 2ba06cd8 ("kbuild: Always validate DT binding examples") made hitting this proplem more likely since the example validation now always gets the full list of schemas. Fix this by passing the schema file list in a pipe and using xargs. We end up doing the find twice, but the time is insignificant compared to the dt-mk-schema time. Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Rob Herring <robh@kernel.org>
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- 22 Apr, 2020 1 commit
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Rob Herring authored
In commit 2ba06cd8 ("kbuild: Always validate DT binding examples"), the core schemas (from dtschema repo) were inadvertently disabled for dtbs_checks. Re-enable them. Fixes: 2ba06cd8 ("kbuild: Always validate DT binding examples") Reviewed-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org>
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- 20 Apr, 2020 11 commits
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Saravanan Sekar authored
Add an entry for Würth Elektronik GmbH, we Signed-off-by: Saravanan Sekar <saravanan@linumiz.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Peng Fan authored
The example use i.MX8QXP MU, but actually the MU is compatible with i.MX6SX, so add the compatible. Signed-off-by: Peng Fan <peng.fan@nxp.com> Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Rob Herring <robh@kernel.org>
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Paul Cercueil authored
All devicetree board files list a compatible string for the SoC after the compatible string of the board. Enhance the YAML format so that these SoC compatible strings appear aside each supported Ingenic board. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Rob Herring <robh@kernel.org>
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Paul Cercueil authored
Add the common usb-role-switch boolean property to the list of the supported properties. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Rob Herring <robh@kernel.org>
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Paul Cercueil authored
Convert the textual documentation for the Ingenic SoCs DMA Controller devicetree binding to YAML. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Rob Herring <robh@kernel.org>
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Paul Cercueil authored
Convert the jz4740-mmc.txt documentation to YAML. The ingenic,jz4770-mmc compatible string was added in the process, with a fallback to ingenic,jz4760-mmc. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Rob Herring <robh@kernel.org>
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Paul Cercueil authored
Convert the ingenic,tcu.txt file to YAML. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Signed-off-by: Rob Herring <robh@kernel.org>
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Ricardo Cañuelo authored
Convert the existing rockchip-efuse binding to json-schema. No changes were done to the binding except for small changes in the documentation strings. This deletes the rockchip-efuse.txt binding and replaces it with rockchip-efuse.yaml. Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Martin Blumenstingl authored
The GPU can be one of the big heat sources on a SoC. Allow the "#cooling-cells" property to be specified for ARM Mali Utgard GPUs so the GPU clock speeds (and voltages) can be reduced to prevent a SoC from overheating. Reviewed-by: Qiang Yu <yuq825@gmail.com> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: Rob Herring <robh@kernel.org>
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Johan Jonker authored
Current dts files with 'rockchip-pmu-sram' compatible nodes are now verified with sram.yaml, although the original text document still exists. Merge rockchip-pmu-sram.txt with sram.yaml by adding it as description with an example. Make #address-cells, #size-cells and ranges optional if there are no child nodes to prevent yaml warnings. Signed-off-by: Johan Jonker <jbx6244@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
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tangjianqiang authored
Gerrit will complain with this warnings: ERROR: (foo*) should be (foo *) Signed-off-by: tangjianqiang <tangjianqiang@xiaomi.com> Reviewed-by: Frank Rowand <frank.rowand@sony.com> Signed-off-by: Rob Herring <robh@kernel.org>
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- 17 Apr, 2020 1 commit
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Rob Herring authored
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