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[212.71.14.70]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4870bf414c3sm12851706f8f.30.2026.09.17.06.58.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2026 06:58:46 -0700 (PDT) From: Sander Speetjens To: Alexandre Belloni Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Jonathan Bell , Stefan Wahren , linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, sander.speetjens@gmail.com Subject: [PATCH v3 1/2] dt-bindings: rtc: Add property for Raspberry Pi 5 RTC Date: Thu, 17 Sep 2026 15:58:40 +0200 Message-ID: <20260917135841.841680-2-sander.speetjens@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917135841.841680-1-sander.speetjens@gmail.com> References: <20260917135841.841680-1-sander.speetjens@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add trickle-voltage-millivolt property for the Raspberry Pi 5 RTC. V2 -> V3: Fixed the firmware property naming V1 -> V2: As discussed with Krzysztof Kozlowski, this property is folded into the existing raspberrypi,bcm2835-firmware properties. Signed-off-by: Sander Speetjens --- .../bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml index 983ea80eaec9..dc71fd57834e 100644 --- a/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml +++ b/Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml @@ -133,6 +133,11 @@ properties: required: - compatible + trickle-voltage-millivolt: + $ref: /schemas/rtc/rtc.yaml#/properties/trickle-voltage-millivolt + minimum: 1300 + maximum: 5000 + required: - compatible - mboxes @@ -144,6 +149,7 @@ examples: firmware { compatible = "raspberrypi,bcm2835-firmware", "simple-mfd"; mboxes = <&mailbox>; + trickle-voltage-millivolt = <3300>; firmware_clocks: clocks { compatible = "raspberrypi,firmware-clocks"; -- 2.55.0