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Thu, 26 Feb 2026 08:13:54 -0800 (PST) From: Akhila YS Date: Thu, 26 Feb 2026 16:13:35 +0000 Subject: [PATCH v3 3/5] dt-bindings: arm: microchip,sam9x60-pit64b : 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: <20260226-arm-microchip-v3-3-0bda15abd922@gmail.com> References: <20260226-arm-microchip-v3-0-0bda15abd922@gmail.com> In-Reply-To: <20260226-arm-microchip-v3-0-0bda15abd922@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 X-Mailer: b4 0.14.3 Convert Atmel Periodic interval timer of 64bit (PIT64b) binding to YAML format. Changes during conversion: - Add missing compatible "microchip,sama7g5-pit64b" along with a fallback compatible "microchip,sam9x60-pit64b". Signed-off-by: Akhila YS --- .../devicetree/bindings/arm/atmel-sysregs.txt | 8 --- .../bindings/arm/microchip,sam9x60-pit64b.yaml | 68 ++++++++++++++++++= ++++ 2 files changed, 68 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Docu= mentation/devicetree/bindings/arm/atmel-sysregs.txt index 70059f66f2b4..d0561f7f465c 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -1,13 +1,5 @@ Atmel system registers =20 -PIT64B Timer required properties: -- compatible: Should be "microchip,sam9x60-pit64b" or - "microchip,sam9x7-pit64b", "microchip,sam9x60-pit64b" - "microchip,sama7d65-pit64b", "microchip,sam9x60-pit64b" -- reg: Should contain registers location and length -- interrupts: Should contain interrupt for PIT64B timer -- clocks: Should contain the available clock sources for PIT64B timer. - System Timer (ST) required properties: - compatible: Should be "atmel,at91rm9200-st", "syscon", "simple-mfd" - reg: Should contain registers location and length diff --git a/Documentation/devicetree/bindings/arm/microchip,sam9x60-pit64b= .yaml b/Documentation/devicetree/bindings/arm/microchip,sam9x60-pit64b.yaml new file mode 100644 index 000000000000..f00ac7e858d9 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/microchip,sam9x60-pit64b.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/microchip,sam9x60-pit64b.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip PIT64B 64-bit Periodic Interval Timer + +maintainers: + - Nicolas Ferre + - Claudiu Beznea + +description: + The Microchip PIT64B is a 64-bit periodic interval timer used in + several modern Microchip ARM SoCs including SAM9X60, SAM9X7 and + SAMA7D65 families. It provides extended timing range, flexible + clock selection and supports both periodic and one-shot interrupt + generation modes. + +properties: + compatible: + oneOf: + - const: microchip,sam9x60-pit64b + - items: + - enum: + - microchip,sama7d65-pit64b + - microchip,sama7g5-pit64b + - microchip,sam9x7-pit64b + - const: microchip,sam9x60-pit64b + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 2 + + clock-names: + minItems: 1 + maxItems: 2 + items: + enum: + - pclk + - gclk + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include + #include + timer@f0028000 { + compatible =3D "microchip,sama7g5-pit64b", "microchip,sam9x60-pit6= 4b"; + reg =3D <0xf0028000 0x100>; + interrupts =3D <37 IRQ_TYPE_LEVEL_HIGH 7>; + clocks =3D <&pmc PMC_TYPE_PERIPHERAL 37>, <&pmc PMC_TYPE_GCK 37>; + clock-names =3D "pclk", "gclk"; + }; +... --=20 2.43.0