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Fri, 27 Feb 2026 07:14:50 -0800 (PST) From: Akhila YS Date: Fri, 27 Feb 2026 15:14:32 +0000 Subject: [PATCH v4 2/5] dt-bindings: arm: atmel,at91sam9260-pit: convert to DT schema Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260227-arm-microchip-v4-2-7e2ae1c5b5d6@gmail.com> References: <20260227-arm-microchip-v4-0-7e2ae1c5b5d6@gmail.com> In-Reply-To: <20260227-arm-microchip-v4-0-7e2ae1c5b5d6@gmail.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nicolas Ferre , Claudiu Beznea , Alexandre Belloni Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Akhila YS , Conor Dooley X-Mailer: b4 0.14.3 Convert Atmel Periodic interval timer (PIT) binding to YAML format. Acked-by: Conor Dooley Signed-off-by: Akhila YS Reviewed-by: Claudiu Beznea --- .../bindings/arm/atmel,at91sam9260-pit.yaml | 49 ++++++++++++++++++= ++++ .../devicetree/bindings/arm/atmel-sysregs.txt | 6 --- 2 files changed, 49 insertions(+), 6 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/atmel,at91sam9260-pit.ya= ml b/Documentation/devicetree/bindings/arm/atmel,at91sam9260-pit.yaml new file mode 100644 index 000000000000..d1bdc4a4f9e0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/atmel,at91sam9260-pit.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/atmel,at91sam9260-pit.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Atmel AT91SAM9260 Periodic Interval Timer (PIT) + +maintainers: + - Nicolas Ferre + - Claudiu Beznea + +description: + The Periodic Interval Timer (PIT) is part of the System Controller of + various Microchip 32-bit ARM-based SoCs (formerly Atmel AT91 series). + It is a simple down-counter timer used mainly as the kernel tick source. + The PIT is clocked from the slow clock and shares a single IRQ line with + other System Controller peripherals. + +properties: + compatible: + const: atmel,at91sam9260-pit + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include + timer@fffffd30 { + compatible =3D "atmel,at91sam9260-pit"; + reg =3D <0xfffffd30 0x10>; + interrupts =3D <1 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&clk32k>; + }; +... diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Docu= mentation/devicetree/bindings/arm/atmel-sysregs.txt index 4ee18112586d..70059f66f2b4 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -1,11 +1,5 @@ Atmel system registers =20 -PIT Timer required properties: -- compatible: Should be "atmel,at91sam9260-pit" -- reg: Should contain registers location and length -- interrupts: Should contain interrupt for the PIT which is the IRQ line - shared across all System Controller members. - PIT64B Timer required properties: - compatible: Should be "microchip,sam9x60-pit64b" or "microchip,sam9x7-pit64b", "microchip,sam9x60-pit64b" --=20 2.43.0