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Mon, 23 Mar 2026 01:48:18 -0700 (PDT) From: Eduard Bostina To: daniel.baluta@nxp.com, simona.toaca@nxp.com, egbostina@gmail.com, d-gole@ti.com, m-chawdhry@ti.com, Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Mark Brown , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] dt-bindings: watchdog: Convert TS-4800 to DT schema Date: Mon, 23 Mar 2026 10:46:12 +0200 Message-ID: <20260323084616.10469-2-egbostina@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260323084616.10469-1-egbostina@gmail.com> References: <20260323084616.10469-1-egbostina@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Convert the Technologic Systems TS-4800 watchdog timer bindings to DT schema. Signed-off-by: Eduard Bostina --- Note: * This patch is part of the GSoC2026 application process for device tree bi= ndings 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.t= xt diff --git a/Documentation/devicetree/bindings/watchdog/technologic,ts4800-= wdt.yaml b/Documentation/devicetree/bindings/watchdog/technologic,ts4800-wd= t.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 + +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 w= hich + describes the FPGA's syscon registers. + +required: + - compatible + - syscon + +unevaluatedProperties: false + +examples: + - | + syscon: syscon@b0010000 { + compatible =3D "syscon", "simple-mfd"; + reg =3D <0xb0010000 0x3d>; + reg-io-width =3D <2>; + + watchdog { + compatible =3D "technologic,ts4800-wdt"; + syscon =3D <&syscon 0xe>; + timeout-sec =3D <10>; + }; + }; diff --git a/Documentation/devicetree/bindings/watchdog/ts4800-wdt.txt b/Do= cumentation/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 =3D "syscon", "simple-mfd"; - reg =3D <0xb0010000 0x3d>; - reg-io-width =3D <2>; - - wdt@e { - compatible =3D "technologic,ts4800-wdt"; 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Mon, 23 Mar 2026 01:48:20 -0700 (PDT) From: Eduard Bostina To: daniel.baluta@nxp.com, simona.toaca@nxp.com, egbostina@gmail.com, d-gole@ti.com, m-chawdhry@ti.com, Wim Van Sebroeck , Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Mark Brown , linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/2] ARM: dts: nxp: imx51-ts4800: Rename wdt node to watchdog Date: Mon, 23 Mar 2026 10:46:13 +0200 Message-ID: <20260323084616.10469-3-egbostina@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260323084616.10469-1-egbostina@gmail.com> References: <20260323084616.10469-1-egbostina@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 --- Note: * This patch is part of the GSoC2026 application process for device tree bi= ndings 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 =3D <0x10000 0x3d>; reg-io-width =3D <2>; =20 - wdt { + watchdog { compatible =3D "technologic,ts4800-wdt"; syscon =3D <&syscon 0xe>; }; --=20 2.53.0