* [PATCH 0/2] dt-bindings: watchdog: Convert TS-4800 to DT schema @ 2026-03-23 8:46 Eduard Bostina 2026-03-23 8:46 ` [PATCH 1/2] " Eduard Bostina 2026-03-23 8:46 ` [PATCH 2/2] ARM: dts: nxp: imx51-ts4800: Rename wdt node to watchdog Eduard Bostina 0 siblings, 2 replies; 6+ messages in thread From: Eduard Bostina @ 2026-03-23 8:46 UTC (permalink / raw) To: daniel.baluta, simona.toaca, egbostina, d-gole, m-chawdhry, Wim Van Sebroeck, Guenter Roeck, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Frank Li, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Mark Brown, linux-watchdog, devicetree, linux-kernel, imx, linux-arm-kernel This patch series converts the Technologic Systems TS-4800 Watchdog timer bindings to DT schema and fixes the active hardware node in the iMX51 device tree. Eduard Bostina (2): dt-bindings: watchdog: Convert TS-4800 to DT schema ARM: dts: nxp: imx51-ts4800: Rename wdt node to watchdog .../watchdog/technologic,ts4800-wdt.yaml | 46 +++++++++++++++++++ .../bindings/watchdog/ts4800-wdt.txt | 25 ---------- arch/arm/boot/dts/nxp/imx/imx51-ts4800.dts | 2 +- 3 files changed, 47 insertions(+), 26 deletions(-) create mode 100644 Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml delete mode 100644 Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt -- 2.53.0 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 1/2] dt-bindings: watchdog: Convert TS-4800 to DT schema 2026-03-23 8:46 [PATCH 0/2] dt-bindings: watchdog: Convert TS-4800 to DT schema Eduard Bostina @ 2026-03-23 8:46 ` Eduard Bostina 2026-03-23 13:24 ` Rob Herring (Arm) 2026-03-23 16:59 ` Frank Li 2026-03-23 8:46 ` [PATCH 2/2] ARM: dts: nxp: imx51-ts4800: Rename wdt node to watchdog Eduard Bostina 1 sibling, 2 replies; 6+ messages in thread From: Eduard Bostina @ 2026-03-23 8:46 UTC (permalink / raw) To: daniel.baluta, simona.toaca, egbostina, d-gole, m-chawdhry, Wim Van Sebroeck, Guenter Roeck, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Frank Li, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Mark Brown, linux-watchdog, devicetree, linux-kernel, imx, linux-arm-kernel Convert the Technologic Systems TS-4800 watchdog timer bindings to DT schema. Signed-off-by: Eduard Bostina <egbostina@gmail.com> --- Note: * This patch is part of the GSoC2026 application process for device tree bindings conversions * https://github.com/LinuxFoundationGSoC/ProjectIdeas/wiki/GSoC-2026-Device-Tree-Bindings .../watchdog/technologic,ts4800-wdt.yaml | 46 +++++++++++++++++++ .../bindings/watchdog/ts4800-wdt.txt | 25 ---------- 2 files changed, 46 insertions(+), 25 deletions(-) create mode 100644 Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml delete mode 100644 Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml b/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml new file mode 100644 index 000000000..cb2066b4b --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/technologic,ts4800-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Technologic Systems TS-4800 Watchdog + +maintainers: + - Eduard Bostina <egbostina@gmail.com> + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + const: technologic,ts4800-wdt + + syscon: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: Phandle to the FPGA's syscon + - description: Offset to the watchdog register + description: Phandle / integers array that points to the syscon node which + describes the FPGA's syscon registers. + +required: + - compatible + - syscon + +unevaluatedProperties: false + +examples: + - | + syscon: syscon@b0010000 { + compatible = "syscon", "simple-mfd"; + reg = <0xb0010000 0x3d>; + reg-io-width = <2>; + + watchdog { + compatible = "technologic,ts4800-wdt"; + syscon = <&syscon 0xe>; + timeout-sec = <10>; + }; + }; diff --git a/Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt b/Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt deleted file mode 100644 index 8f6caad42..000000000 --- a/Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt +++ /dev/null @@ -1,25 +0,0 @@ -Technologic Systems Watchdog - -Required properties: -- compatible: must be "technologic,ts4800-wdt" -- syscon: phandle / integer array that points to the syscon node which - describes the FPGA's syscon registers. - - phandle to FPGA's syscon - - offset to the watchdog register - -Optional property: -- timeout-sec: contains the watchdog timeout in seconds. - -Example: - -syscon: syscon@b0010000 { - compatible = "syscon", "simple-mfd"; - reg = <0xb0010000 0x3d>; - reg-io-width = <2>; - - wdt@e { - compatible = "technologic,ts4800-wdt"; - syscon = <&syscon 0xe>; - timeout-sec = <10>; - }; -} -- 2.53.0 ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] dt-bindings: watchdog: Convert TS-4800 to DT schema 2026-03-23 8:46 ` [PATCH 1/2] " Eduard Bostina @ 2026-03-23 13:24 ` Rob Herring (Arm) 2026-03-23 16:59 ` Frank Li 1 sibling, 0 replies; 6+ messages in thread From: Rob Herring (Arm) @ 2026-03-23 13:24 UTC (permalink / raw) To: Eduard Bostina Cc: Mark Brown, daniel.baluta, Krzysztof Kozlowski, Fabio Estevam, linux-arm-kernel, Wim Van Sebroeck, Conor Dooley, devicetree, Pengutronix Kernel Team, Guenter Roeck, Sascha Hauer, linux-kernel, imx, Frank Li, linux-watchdog, d-gole, m-chawdhry, simona.toaca On Mon, 23 Mar 2026 10:46:12 +0200, Eduard Bostina wrote: > Convert the Technologic Systems TS-4800 watchdog timer bindings > to DT schema. > > Signed-off-by: Eduard Bostina <egbostina@gmail.com> > --- > Note: > * This patch is part of the GSoC2026 application process for device tree bindings conversions > * https://github.com/LinuxFoundationGSoC/ProjectIdeas/wiki/GSoC-2026-Device-Tree-Bindings > > .../watchdog/technologic,ts4800-wdt.yaml | 46 +++++++++++++++++++ > .../bindings/watchdog/ts4800-wdt.txt | 25 ---------- > 2 files changed, 46 insertions(+), 25 deletions(-) > create mode 100644 Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml > delete mode 100644 Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt > My bot found errors running 'make dt_binding_check' on your patch: yamllint warnings/errors: dtschema/dtc warnings/errors: /builds/robherring/dt-review-ci/linux/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.example.dtb: syscon@b0010000 (syscon): compatible: ['syscon', 'simple-mfd'] is too short from schema $id: http://devicetree.org/schemas/mfd/syscon-common.yaml doc reference errors (make refcheckdocs): See https://patchwork.kernel.org/project/devicetree/patch/20260323084616.10469-2-egbostina@gmail.com The base for the series is generally the latest rc1. A different dependency should be noted in *this* patch. If you already ran 'make dt_binding_check' and didn't see the above error(s), then make sure 'yamllint' is installed and dt-schema is up to date: pip3 install dtschema --upgrade Please check and re-submit after running the above command yourself. Note that DT_SCHEMA_FILES can be set to your schema file to speed up checking your schema. However, it must be unset to test all examples with your schema. ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] dt-bindings: watchdog: Convert TS-4800 to DT schema 2026-03-23 8:46 ` [PATCH 1/2] " Eduard Bostina 2026-03-23 13:24 ` Rob Herring (Arm) @ 2026-03-23 16:59 ` Frank Li 2026-03-23 18:10 ` Rob Herring 1 sibling, 1 reply; 6+ messages in thread From: Frank Li @ 2026-03-23 16:59 UTC (permalink / raw) To: Eduard Bostina Cc: daniel.baluta, simona.toaca, d-gole, m-chawdhry, Wim Van Sebroeck, Guenter Roeck, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Mark Brown, linux-watchdog, devicetree, linux-kernel, imx, linux-arm-kernel On Mon, Mar 23, 2026 at 10:46:12AM +0200, Eduard Bostina wrote: > Convert the Technologic Systems TS-4800 watchdog timer bindings > to DT schema. > > Signed-off-by: Eduard Bostina <egbostina@gmail.com> > --- > Note: > * This patch is part of the GSoC2026 application process for device tree bindings conversions > * https://github.com/LinuxFoundationGSoC/ProjectIdeas/wiki/GSoC-2026-Device-Tree-Bindings > > .../watchdog/technologic,ts4800-wdt.yaml | 46 +++++++++++++++++++ > .../bindings/watchdog/ts4800-wdt.txt | 25 ---------- > 2 files changed, 46 insertions(+), 25 deletions(-) > create mode 100644 Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml > delete mode 100644 Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt > > diff --git a/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml b/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml > new file mode 100644 > index 000000000..cb2066b4b > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml > @@ -0,0 +1,46 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/watchdog/technologic,ts4800-wdt.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Technologic Systems TS-4800 Watchdog > + > +maintainers: > + - Eduard Bostina <egbostina@gmail.com> > + > +allOf: > + - $ref: watchdog.yaml# Move allOf after required incase add if-else branch later. > + > +properties: > + compatible: > + const: technologic,ts4800-wdt > + > + syscon: > + $ref: /schemas/types.yaml#/definitions/phandle-array > + items: > + - items: > + - description: Phandle to the FPGA's syscon > + - description: Offset to the watchdog register > + description: Phandle / integers array that points to the syscon node which > + describes the FPGA's syscon registers. > + > +required: > + - compatible > + - syscon > + > +unevaluatedProperties: false > + > +examples: > + - | > + syscon: syscon@b0010000 { > + compatible = "syscon", "simple-mfd"; > + reg = <0xb0010000 0x3d>; > + reg-io-width = <2>; > + Needn't this part. just keep below watchdog node should be enough. Frank > + watchdog { > + compatible = "technologic,ts4800-wdt"; > + syscon = <&syscon 0xe>; > + timeout-sec = <10>; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt b/Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt > deleted file mode 100644 > index 8f6caad42..000000000 > --- a/Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt > +++ /dev/null > @@ -1,25 +0,0 @@ > -Technologic Systems Watchdog > - > -Required properties: > -- compatible: must be "technologic,ts4800-wdt" > -- syscon: phandle / integer array that points to the syscon node which > - describes the FPGA's syscon registers. > - - phandle to FPGA's syscon > - - offset to the watchdog register > - > -Optional property: > -- timeout-sec: contains the watchdog timeout in seconds. > - > -Example: > - > -syscon: syscon@b0010000 { > - compatible = "syscon", "simple-mfd"; > - reg = <0xb0010000 0x3d>; > - reg-io-width = <2>; > - > - wdt@e { > - compatible = "technologic,ts4800-wdt"; > - syscon = <&syscon 0xe>; > - timeout-sec = <10>; > - }; > -} > -- > 2.53.0 > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] dt-bindings: watchdog: Convert TS-4800 to DT schema 2026-03-23 16:59 ` Frank Li @ 2026-03-23 18:10 ` Rob Herring 0 siblings, 0 replies; 6+ messages in thread From: Rob Herring @ 2026-03-23 18:10 UTC (permalink / raw) To: Frank Li Cc: Eduard Bostina, daniel.baluta, simona.toaca, d-gole, m-chawdhry, Wim Van Sebroeck, Guenter Roeck, Krzysztof Kozlowski, Conor Dooley, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Mark Brown, linux-watchdog, devicetree, linux-kernel, imx, linux-arm-kernel On Mon, Mar 23, 2026 at 12:59:34PM -0400, Frank Li wrote: > On Mon, Mar 23, 2026 at 10:46:12AM +0200, Eduard Bostina wrote: > > Convert the Technologic Systems TS-4800 watchdog timer bindings > > to DT schema. > > > > Signed-off-by: Eduard Bostina <egbostina@gmail.com> > > --- > > Note: > > * This patch is part of the GSoC2026 application process for device tree bindings conversions > > * https://github.com/LinuxFoundationGSoC/ProjectIdeas/wiki/GSoC-2026-Device-Tree-Bindings > > > > .../watchdog/technologic,ts4800-wdt.yaml | 46 +++++++++++++++++++ > > .../bindings/watchdog/ts4800-wdt.txt | 25 ---------- > > 2 files changed, 46 insertions(+), 25 deletions(-) > > create mode 100644 Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml > > delete mode 100644 Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt > > > > diff --git a/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml b/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml > > new file mode 100644 > > index 000000000..cb2066b4b > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wdt.yaml > > @@ -0,0 +1,46 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/watchdog/technologic,ts4800-wdt.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Technologic Systems TS-4800 Watchdog > > + > > +maintainers: > > + - Eduard Bostina <egbostina@gmail.com> > > + > > +allOf: > > + - $ref: watchdog.yaml# > > Move allOf after required incase add if-else branch later. > > > + > > +properties: > > + compatible: > > + const: technologic,ts4800-wdt > > + > > + syscon: > > + $ref: /schemas/types.yaml#/definitions/phandle-array > > + items: > > + - items: > > + - description: Phandle to the FPGA's syscon > > + - description: Offset to the watchdog register > > + description: Phandle / integers array that points to the syscon node which > > + describes the FPGA's syscon registers. > > + > > +required: > > + - compatible > > + - syscon > > + > > +unevaluatedProperties: false > > + > > +examples: > > + - | > > + syscon: syscon@b0010000 { > > + compatible = "syscon", "simple-mfd"; > > + reg = <0xb0010000 0x3d>; > > + reg-io-width = <2>; > > + > > Needn't this part. just keep below watchdog node should be enough. Well, the next thing to fix is going to be that this node needs a specific compatible. It doesn't look like there's any other child nodes, so probably want just one schema that defines both nodes. Rob ^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 2/2] ARM: dts: nxp: imx51-ts4800: Rename wdt node to watchdog 2026-03-23 8:46 [PATCH 0/2] dt-bindings: watchdog: Convert TS-4800 to DT schema Eduard Bostina 2026-03-23 8:46 ` [PATCH 1/2] " Eduard Bostina @ 2026-03-23 8:46 ` Eduard Bostina 1 sibling, 0 replies; 6+ messages in thread From: Eduard Bostina @ 2026-03-23 8:46 UTC (permalink / raw) To: daniel.baluta, simona.toaca, egbostina, d-gole, m-chawdhry, Wim Van Sebroeck, Guenter Roeck, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Frank Li, Sascha Hauer, Pengutronix Kernel Team, Fabio Estevam, Mark Brown, linux-watchdog, devicetree, linux-kernel, imx, linux-arm-kernel The Technologic Systems TS-4800 watchdog node was previously named 'wdt', which violates the core watchdog.yaml schema expecting generic node names. Rename the node to 'watchdog' to fix the following dtbs_check warning: 'wdt' does not match '^(pmic|timer|watchdog)(@.*|-([0-9]|[1-9][0-9]+))?$' Signed-off-by: Eduard Bostina <egbostina@gmail.com> --- Note: * This patch is part of the GSoC2026 application process for device tree bindings conversions * https://github.com/LinuxFoundationGSoC/ProjectIdeas/wiki/GSoC-2026-Device-Tree-Bindings arch/arm/boot/dts/nxp/imx/imx51-ts4800.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/nxp/imx/imx51-ts4800.dts b/arch/arm/boot/dts/nxp/imx/imx51-ts4800.dts index 5118a68db..3610ce395 100644 --- a/arch/arm/boot/dts/nxp/imx/imx51-ts4800.dts +++ b/arch/arm/boot/dts/nxp/imx/imx51-ts4800.dts @@ -155,7 +155,7 @@ syscon: syscon@10000 { reg = <0x10000 0x3d>; reg-io-width = <2>; - wdt { + watchdog { compatible = "technologic,ts4800-wdt"; syscon = <&syscon 0xe>; }; -- 2.53.0 ^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2026-03-23 18:10 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2026-03-23 8:46 [PATCH 0/2] dt-bindings: watchdog: Convert TS-4800 to DT schema Eduard Bostina 2026-03-23 8:46 ` [PATCH 1/2] " Eduard Bostina 2026-03-23 13:24 ` Rob Herring (Arm) 2026-03-23 16:59 ` Frank Li 2026-03-23 18:10 ` Rob Herring 2026-03-23 8:46 ` [PATCH 2/2] ARM: dts: nxp: imx51-ts4800: Rename wdt node to watchdog Eduard Bostina
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