| Message ID | 20181203213223.16986-1-robh@kernel.org (mailing list archive) |
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[24.155.109.49]) by smtp.googlemail.com with ESMTPSA id c78sm8545501oig.30.2018.12.03.13.32.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Dec 2018 13:32:25 -0800 (PST) From: Rob Herring <robh@kernel.org> To: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 00/34] Devicetree schema Date: Mon, 3 Dec 2018 15:31:49 -0600 Message-Id: <20181203213223.16986-1-robh@kernel.org> X-Mailer: git-send-email 2.19.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181203_133237_278320_577A9CDA X-CRM114-Status: GOOD ( 21.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Mark Rutland <mark.rutland@arm.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Heiko Stuebner <heiko@sntech.de>, Sean Hudson <darknighte@darknighte.com>, Neil Armstrong <narmstrong@baylibre.com>, Sekhar Nori <nsekhar@ti.com>, Patrice Chotard <patrice.chotard@st.com>, David Brown <david.brown@linaro.org>, Grant Likely <grant.likely@arm.com>, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, Frank Rowand <frowand.list@gmail.com>, linux-renesas-soc@vger.kernel.org, Kumar Gala <kumar.gala@linaro.org>, Kevin Hilman <khilman@kernel.org>, Viresh Kumar <vireshk@kernel.org>, Daniel Lezcano <daniel.lezcano@linaro.org>, Magnus Damm <magnus.damm@gmail.com>, Michal Simek <michal.simek@xilinx.com>, Jonathan Hunter <jonathanh@nvidia.com>, linux-rockchip@lists.infradead.org, arm@kernel.org, Andy Gross <andy.gross@linaro.org>, Tsahee Zidenberg <tsahee@annapurnalabs.com>, linux-tegra@vger.kernel.org, linux-kbuild@vger.kernel.org, Will Deacon <will.deacon@arm.com>, Simon Horman <horms@verge.net.au>, linux-mediatek@lists.infradead.org, Matthias Brugger <matthias.bgg@gmail.com>, linux-amlogic@lists.infradead.org, Thomas Gleixner <tglx@linutronix.de>, Shiraz Hashim <shiraz.linux.kernel@gmail.com>, linux-arm-kernel@lists.infradead.org, Barry Song <baohua@kernel.org>, Michal Marek <michal.lkml@markovi.net>, Masahiro Yamada <yamada.masahiro@socionext.com>, Shawn Guo <shawnguo@kernel.org>, Antoine Tenart <antoine.tenart@free-electrons.com>, Tony Prisk <linux@prisktech.co.nz>, Dinh Nguyen <dinguyen@kernel.org>, Thierry Reding <thierry.reding@gmail.com>, Carlo Caione <carlo@caione.org>, Jun Nie <jun.nie@linaro.org>, linux-oxnas@groups.io, linuxppc-dev@lists.ozlabs.org, =?utf-8?q?Andreas_F=C3=A4rber?= <afaerber@suse.de> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
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The current DT binding documentation is not ideal as it is just free form text with at most only a loose structure. This makes reviewing bindings a manual process. The bindings are often duplicating information that's already defined elsewhere and missing information one would need to validate a DTS file. The examples in binding documents are not built and a source of lots of typos sometimes found in review and sometimes not. Secondly, there's no verification that DTS files match what the documentation says. While dtc does do some checking (and has gained more recently), it can't do per binding checks as it would have to understand thousands of compatible strings to match on. There's been a number of proposals over the years to address validation. They've all suffered from inventing their own validation language and the effort it would take to fully define and flush out a validation language. Enter json-schema. The language has a defined specification, maps well to DT data, and there are numerous existing tools which can be leveraged. The actual DT schema doc files are stored as YAML using only a JSON compatible subset. YAML is considered more human readable allowing comments for example. This series adds the build support, some documentation, and converts some bindings (mostly ARM board/soc bindings). The tools, core schema, and meta-schema are in a separate repository[1]. This might eventually be integrated with dtc or added to the kernel, but for now I plan to keep it separate. This series is available here[2]. The branch also has a doc2yaml script which can help convert binding files. It's not perfect, but works pretty well considering the input is free form text. My plan is to merge this initial support for v4.21. There's not yet any requirement that new bindings be submitted using the schema. I think that should wait a bit until after this gets a bit more exposure. I do have some tooling in place to test submitted patches and update DT patchwork with the result. SoC maintainers, The board/soc bindings can go thru your trees if there are conflicts (if any SoC or board is added). It shouldn't matter if they go in separately from the build support. shmobile, rockchip, fsl and amlogic already have conflicts with next. Otherwise, I can take them via the DT tree. Rob v2: - Rebase to v4.20-rc2 - Add some missing Xilinx boards (from Michal Simek) - Add ability to validate with a single specified schema using the DT_SCHEMA_FILES variable. - Add back some dropped comments for board names - Various maintainer fixes - Rework ARM PMU interrupts schema. - Updates to ARM CPU vendor specific properties. - Add i2c-gpio conversion to json-schema. Serves as example of including another schema (i2c-controller.yaml) - Set license on schema files to GPL-2.0 - Improvements to writing-schema.md and annotated example. [1] https://github.com/robherring/yaml-bindings [2] git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git yaml-bindings-v2 Michal Simek (1): dt-bindings: arm: Add missing Xilinx boards Rob Herring (33): kbuild: Add support for DT binding schema checks dt-bindings: Add a writing DT schemas how-to and annotated example dt-bindings: Convert trivial-devices.txt to json-schema dt-bindings: altera: Convert clkmgr binding to json-schema dt-bindings: i2c: Convert i2c-gpio binding to json-schema dt-bindings: timer: Convert ARM timer bindings to json-schema dt-bindings: arm: Convert cpu binding to json-schema dt-bindings: arm: Convert PMU binding to json-schema dt-bindings: arm: Convert primecell binding to json-schema dt-bindings: arm: Convert Actions Semi bindings to jsonschema dt-bindings: arm: Convert Alpine board/soc bindings to json-schema dt-bindings: arm: Convert Altera board/soc bindings to json-schema dt-bindings: arm: amlogic: Move 'amlogic,meson-gx-ao-secure' binding to its own file dt-bindings: arm: Convert Amlogic board/soc bindings to json-schema dt-bindings: arm: Convert Atmel board/soc bindings to json-schema dt-bindings: arm: Convert Calxeda board/soc bindings to json-schema dt-bindings: arm: Convert TI davinci board/soc bindings to json-schema dt-bindings: arm: Convert FSL board/soc bindings to json-schema dt-bindings: arm: Convert MediaTek board/soc bindings to json-schema dt-bindings: arm: Convert TI nspire board/soc bindings to json-schema dt-bindings: arm: Convert Oxford Semi board/soc bindings to json-schema dt-bindings: arm: Convert QCom board/soc bindings to json-schema dt-bindings: arm: Convert Realtek board/soc bindings to json-schema dt-bindings: arm: Convert Rockchip board/soc bindings to json-schema dt-bindings: arm: renesas: Move 'renesas,prr' binding to its own doc dt-bindings: arm: Convert Renesas board/soc bindings to json-schema dt-bindings: arm: Convert CSR SiRF board/soc bindings to json-schema dt-bindings: arm: Convert SPEAr board/soc bindings to json-schema dt-bindings: arm: Convert ST STi board/soc bindings to json-schema dt-bindings: arm: Convert Tegra board/soc bindings to json-schema dt-bindings: arm: Convert VIA board/soc bindings to json-schema dt-bindings: arm: Convert Xilinx board/soc bindings to json-schema dt-bindings: arm: Convert ZTE board/soc bindings to json-schema .gitignore | 1 + Documentation/Makefile | 2 +- Documentation/devicetree/bindings/.gitignore | 1 + Documentation/devicetree/bindings/Makefile | 33 ++ .../devicetree/bindings/arm/actions.txt | 56 -- .../devicetree/bindings/arm/actions.yaml | 38 ++ .../devicetree/bindings/arm/al,alpine.txt | 16 - .../devicetree/bindings/arm/al,alpine.yaml | 21 + .../devicetree/bindings/arm/altera.txt | 14 - .../devicetree/bindings/arm/altera.yaml | 20 + .../arm/altera/socfpga-clk-manager.txt | 11 - .../arm/altera/socfpga-clk-manager.yaml | 31 ++ .../devicetree/bindings/arm/amlogic.txt | 138 ----- .../devicetree/bindings/arm/amlogic.yaml | 109 ++++ .../amlogic/amlogic,meson-gx-ao-secure.txt | 28 + .../devicetree/bindings/arm/armadeus.txt | 6 - .../devicetree/bindings/arm/atmel-at91.txt | 72 --- .../devicetree/bindings/arm/atmel-at91.yaml | 133 +++++ Documentation/devicetree/bindings/arm/bhf.txt | 6 - .../devicetree/bindings/arm/calxeda.txt | 15 - .../devicetree/bindings/arm/calxeda.yaml | 22 + .../bindings/arm/compulab-boards.txt | 25 - .../devicetree/bindings/arm/cpus.txt | 490 ----------------- .../devicetree/bindings/arm/cpus.yaml | 507 ++++++++++++++++++ .../devicetree/bindings/arm/davinci.txt | 25 - Documentation/devicetree/bindings/arm/fsl.txt | 229 -------- .../devicetree/bindings/arm/fsl.yaml | 214 ++++++++ .../devicetree/bindings/arm/i2se.txt | 22 - .../devicetree/bindings/arm/mediatek.txt | 79 --- .../devicetree/bindings/arm/mediatek.yaml | 85 +++ .../devicetree/bindings/arm/nspire.txt | 14 - .../devicetree/bindings/arm/olimex.txt | 10 - .../devicetree/bindings/arm/oxnas.txt | 14 - .../devicetree/bindings/arm/oxnas.yaml | 25 + Documentation/devicetree/bindings/arm/pmu.txt | 70 --- .../devicetree/bindings/arm/pmu.yaml | 91 ++++ .../devicetree/bindings/arm/primecell.txt | 46 -- .../devicetree/bindings/arm/primecell.yaml | 36 ++ .../devicetree/bindings/arm/qcom.txt | 57 -- .../devicetree/bindings/arm/qcom.yaml | 125 +++++ .../devicetree/bindings/arm/realtek.txt | 22 - .../devicetree/bindings/arm/realtek.yaml | 23 + .../devicetree/bindings/arm/renesas,prr.txt | 20 + .../devicetree/bindings/arm/rockchip.txt | 240 --------- .../devicetree/bindings/arm/rockchip.yaml | 251 +++++++++ .../devicetree/bindings/arm/shmobile.txt | 169 ------ .../devicetree/bindings/arm/shmobile.yaml | 218 ++++++++ .../devicetree/bindings/arm/sirf.txt | 11 - .../devicetree/bindings/arm/sirf.yaml | 27 + .../devicetree/bindings/arm/spear.txt | 26 - .../devicetree/bindings/arm/spear.yaml | 25 + Documentation/devicetree/bindings/arm/sti.txt | 23 - .../devicetree/bindings/arm/sti.yaml | 23 + .../devicetree/bindings/arm/technologic.txt | 23 - .../devicetree/bindings/arm/tegra.txt | 65 --- .../devicetree/bindings/arm/tegra.yaml | 101 ++++ .../devicetree/bindings/arm/ti/nspire.yaml | 24 + .../bindings/arm/ti/ti,davinci.yaml | 26 + .../devicetree/bindings/arm/vt8500.txt | 22 - .../devicetree/bindings/arm/vt8500.yaml | 23 + .../devicetree/bindings/arm/xilinx.txt | 83 --- .../devicetree/bindings/arm/xilinx.yaml | 114 ++++ Documentation/devicetree/bindings/arm/zte.txt | 14 - .../devicetree/bindings/arm/zte.yaml | 26 + .../devicetree/bindings/example-schema.yaml | 170 ++++++ .../devicetree/bindings/i2c/i2c-gpio.txt | 46 -- .../devicetree/bindings/i2c/i2c-gpio.yaml | 73 +++ .../bindings/timer/arm,arch_timer.txt | 112 ---- .../bindings/timer/arm,arch_timer.yaml | 103 ++++ .../bindings/timer/arm,arch_timer_mmio.yaml | 120 +++++ .../bindings/timer/arm,global_timer.txt | 27 - .../bindings/timer/arm,global_timer.yaml | 46 ++ .../devicetree/bindings/trivial-devices.txt | 190 ------- .../devicetree/bindings/trivial-devices.yaml | 392 ++++++++++++++ Documentation/devicetree/writing-schema.md | 130 +++++ Makefile | 11 +- scripts/Makefile.lib | 24 +- 77 files changed, 3487 insertions(+), 2493 deletions(-) create mode 100644 Documentation/devicetree/bindings/.gitignore create mode 100644 Documentation/devicetree/bindings/Makefile delete mode 100644 Documentation/devicetree/bindings/arm/actions.txt create mode 100644 Documentation/devicetree/bindings/arm/actions.yaml delete mode 100644 Documentation/devicetree/bindings/arm/al,alpine.txt create mode 100644 Documentation/devicetree/bindings/arm/al,alpine.yaml delete mode 100644 Documentation/devicetree/bindings/arm/altera.txt create mode 100644 Documentation/devicetree/bindings/arm/altera.yaml delete mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.txt create mode 100644 Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.yaml delete mode 100644 Documentation/devicetree/bindings/arm/amlogic.txt create mode 100644 Documentation/devicetree/bindings/arm/amlogic.yaml create mode 100644 Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt delete mode 100644 Documentation/devicetree/bindings/arm/armadeus.txt delete mode 100644 Documentation/devicetree/bindings/arm/atmel-at91.txt create mode 100644 Documentation/devicetree/bindings/arm/atmel-at91.yaml delete mode 100644 Documentation/devicetree/bindings/arm/bhf.txt delete mode 100644 Documentation/devicetree/bindings/arm/calxeda.txt create mode 100644 Documentation/devicetree/bindings/arm/calxeda.yaml delete mode 100644 Documentation/devicetree/bindings/arm/compulab-boards.txt delete mode 100644 Documentation/devicetree/bindings/arm/cpus.txt create mode 100644 Documentation/devicetree/bindings/arm/cpus.yaml delete mode 100644 Documentation/devicetree/bindings/arm/davinci.txt delete mode 100644 Documentation/devicetree/bindings/arm/fsl.txt create mode 100644 Documentation/devicetree/bindings/arm/fsl.yaml delete mode 100644 Documentation/devicetree/bindings/arm/i2se.txt delete mode 100644 Documentation/devicetree/bindings/arm/mediatek.txt create mode 100644 Documentation/devicetree/bindings/arm/mediatek.yaml delete mode 100644 Documentation/devicetree/bindings/arm/nspire.txt delete mode 100644 Documentation/devicetree/bindings/arm/olimex.txt delete mode 100644 Documentation/devicetree/bindings/arm/oxnas.txt create mode 100644 Documentation/devicetree/bindings/arm/oxnas.yaml delete mode 100644 Documentation/devicetree/bindings/arm/pmu.txt create mode 100644 Documentation/devicetree/bindings/arm/pmu.yaml delete mode 100644 Documentation/devicetree/bindings/arm/primecell.txt create mode 100644 Documentation/devicetree/bindings/arm/primecell.yaml delete mode 100644 Documentation/devicetree/bindings/arm/qcom.txt create mode 100644 Documentation/devicetree/bindings/arm/qcom.yaml delete mode 100644 Documentation/devicetree/bindings/arm/realtek.txt create mode 100644 Documentation/devicetree/bindings/arm/realtek.yaml create mode 100644 Documentation/devicetree/bindings/arm/renesas,prr.txt delete mode 100644 Documentation/devicetree/bindings/arm/rockchip.txt create mode 100644 Documentation/devicetree/bindings/arm/rockchip.yaml delete mode 100644 Documentation/devicetree/bindings/arm/shmobile.txt create mode 100644 Documentation/devicetree/bindings/arm/shmobile.yaml delete mode 100644 Documentation/devicetree/bindings/arm/sirf.txt create mode 100644 Documentation/devicetree/bindings/arm/sirf.yaml delete mode 100644 Documentation/devicetree/bindings/arm/spear.txt create mode 100644 Documentation/devicetree/bindings/arm/spear.yaml delete mode 100644 Documentation/devicetree/bindings/arm/sti.txt create mode 100644 Documentation/devicetree/bindings/arm/sti.yaml delete mode 100644 Documentation/devicetree/bindings/arm/technologic.txt delete mode 100644 Documentation/devicetree/bindings/arm/tegra.txt create mode 100644 Documentation/devicetree/bindings/arm/tegra.yaml create mode 100644 Documentation/devicetree/bindings/arm/ti/nspire.yaml create mode 100644 Documentation/devicetree/bindings/arm/ti/ti,davinci.yaml delete mode 100644 Documentation/devicetree/bindings/arm/vt8500.txt create mode 100644 Documentation/devicetree/bindings/arm/vt8500.yaml delete mode 100644 Documentation/devicetree/bindings/arm/xilinx.txt create mode 100644 Documentation/devicetree/bindings/arm/xilinx.yaml delete mode 100644 Documentation/devicetree/bindings/arm/zte.txt create mode 100644 Documentation/devicetree/bindings/arm/zte.yaml create mode 100644 Documentation/devicetree/bindings/example-schema.yaml delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-gpio.txt create mode 100644 Documentation/devicetree/bindings/i2c/i2c-gpio.yaml delete mode 100644 Documentation/devicetree/bindings/timer/arm,arch_timer.txt create mode 100644 Documentation/devicetree/bindings/timer/arm,arch_timer.yaml create mode 100644 Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml delete mode 100644 Documentation/devicetree/bindings/timer/arm,global_timer.txt create mode 100644 Documentation/devicetree/bindings/timer/arm,global_timer.yaml delete mode 100644 Documentation/devicetree/bindings/trivial-devices.txt create mode 100644 Documentation/devicetree/bindings/trivial-devices.yaml create mode 100644 Documentation/devicetree/writing-schema.md -- 2.19.1