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([2401:4900:892f:f52a:c575:426a:cd40:5f5d]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ad75321543sm144713925ad.72.2026.02.25.07.10.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Feb 2026 07:10:59 -0800 (PST) Message-ID: Date: Wed, 25 Feb 2026 20:40:52 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 4/5] dt-bindings: arm: atmel,at91rm9200-st: convert to DT schema To: Conor Dooley Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nicolas Ferre , Claudiu Beznea , Alexandre Belloni , Claudiu Beznea , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20260224-arm-microchip-v2-0-8bedacd2cdcb@gmail.com> <20260224-arm-microchip-v2-4-8bedacd2cdcb@gmail.com> <20260224-gout-exquisite-1ee0b67c58cd@spud> Content-Language: en-US From: Akhila YS In-Reply-To: <20260224-gout-exquisite-1ee0b67c58cd@spud> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 24-02-2026 23:18, Conor Dooley wrote: > On Tue, Feb 24, 2026 at 02:46:49PM +0000, Akhila YS wrote: >> Convert System Timer binding to YAML format. >> >> Signed-off-by: Akhila YS >> --- >> .../bindings/arm/atmel,at91rm9200-st.yaml | 65 ++++++++++++++++++++++ >> 1 file changed, 65 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/arm/atmel,at91rm9200-st.yaml b/Documentation/devicetree/bindings/arm/atmel,at91rm9200-st.yaml >> new file mode 100644 >> index 000000000000..ff485b37cba8 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/arm/atmel,at91rm9200-st.yaml >> @@ -0,0 +1,65 @@ >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/arm/atmel,at91rm9200-st.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: Atmel System Timer >> + >> +maintainers: >> + - Nicolas Ferre >> + - Claudiu Beznea >> + >> +description: >> + The System Timer (ST) module in AT91RM9200 provides periodic tick and >> + alarm capabilities. It is exposed as a simple multi-function device >> + (simple-mfd + syscon) because it shares its register space and interrupt >> + with other System Controller blocks. >> + >> +properties: >> + compatible: >> + items: >> + - const: atmel,at91rm9200-st >> + - const: syscon >> + - const: simple-mfd >> + >> + reg: >> + maxItems: 1 >> + >> + interrupts: >> + maxItems: 1 >> + >> + clocks: >> + maxItems: 1 >> + >> + watchdog: >> + type: object >> + description: Watchdog timer subnode. >> + properties: >> + compatible: >> + const: atmel,at91rm9200-wdt >> + required: >> + - compatible > This should just be a ref to the binding providing the watchdog. > > I am guessing you didn't test this against all bindings, only against > /this/ binding and therefore missed the fact that it doesn't comply with > the binding for the watchdog itself. Ok, i will take watchdog properties as a ref from different yaml. >> + >> +required: >> + - compatible >> + - reg >> + - interrupts >> + - clocks >> + >> +unevaluatedProperties: false >> + >> +examples: >> + - | >> + #include >> + timer@fffffd00 { >> + compatible = "atmel,at91rm9200-st", "syscon", "simple-mfd"; >> + reg = <0xfffffd00 0x100>; >> + interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>; >> + clocks = <&slow_xtal>; >> + >> + watchdog { >> + compatible = "atmel,at91rm9200-wdt"; >> + }; >> + }; >> +... >> >> -- >> 2.43.0 >> -- Best Regards, Akhila.