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([2401:4900:909c:a9f7:b613:edee:96b:45ff]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2bd5c0600a4sm168905445ad.30.2026.05.19.02.59.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 May 2026 02:59:40 -0700 (PDT) From: Teja Sai Charan B To: Alexandre Belloni , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Teja Sai Charan Bellamkonda Subject: [PATCH] dt-bindings: rtc: Convert rtc-cmos binding to YAML Date: Tue, 19 May 2026 15:29:29 +0530 Message-ID: <20260519095929.76011-1-tejaasaye@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Teja Sai Charan Bellamkonda Convert the rtc-cmos devicetree bindings to dt schema. Signed-off-by: Teja Sai Charan Bellamkonda --- .../devicetree/bindings/rtc/rtc-cmos.txt | 27 --------- .../devicetree/bindings/rtc/rtc-cmos.yaml | 55 +++++++++++++++++++ 2 files changed, 55 insertions(+), 27 deletions(-) delete mode 100644 Documentation/devicetree/bindings/rtc/rtc-cmos.txt create mode 100644 Documentation/devicetree/bindings/rtc/rtc-cmos.yaml diff --git a/Documentation/devicetree/bindings/rtc/rtc-cmos.txt b/Documentation/devicetree/bindings/rtc/rtc-cmos.txt deleted file mode 100644 index 7d7b5f6bda65..000000000000 --- a/Documentation/devicetree/bindings/rtc/rtc-cmos.txt +++ /dev/null @@ -1,27 +0,0 @@ - Motorola mc146818 compatible RTC -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - -Required properties: - - compatible : "motorola,mc146818" - - reg : should contain registers location and length. - -Optional properties: - - interrupts : should contain interrupt. - - ctrl-reg : Contains the initial value of the control register also - called "Register B". - - freq-reg : Contains the initial value of the frequency register also - called "Register A". - -"Register A" and "B" are usually initialized by the firmware (BIOS for -instance). If this is not done, it can be performed by the driver. - -ISA Example: - - rtc@70 { - compatible = "motorola,mc146818"; - interrupts = <8 3>; - interrupt-parent = <&ioapic1>; - ctrl-reg = <2>; - freq-reg = <0x26>; - reg = <1 0x70 2>; - }; diff --git a/Documentation/devicetree/bindings/rtc/rtc-cmos.yaml b/Documentation/devicetree/bindings/rtc/rtc-cmos.yaml new file mode 100644 index 000000000000..e368264ac483 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/rtc-cmos.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/rtc-cmos.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Motorola mc146818 compatible RTC + +maintainers: + - Alexandre Belloni + +properties: + compatible: + const: motorola,mc146818 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + ctrl-reg: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Initial value of the control register + (also known as Register B). + + freq-reg: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + Initial value of the frequency register + (also known as Register A). + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <1>; + + rtc@70 { + compatible = "motorola,mc146818"; + reg = <1 0x70 2>; + + interrupts = <8 3>; + + ctrl-reg = <2>; + freq-reg = <0x26>; + }; + }; -- 2.43.0