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Fri, 02 Feb 2024 15:52:48 +1300 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.30]) by pat.atlnz.lc (Postfix) with ESMTP id 697AB13EDA9; Fri, 2 Feb 2024 15:52:48 +1300 (NZDT) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id 5F37A280EB7; Fri, 2 Feb 2024 15:52:48 +1300 (NZDT) From: Chris Packham To: alexandre.belloni@bootlin.com, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jdelvare@suse.com, linux@roeck-us.net, antoniu.miclaus@analog.com, noname.nuno@gmail.com Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, Ibrahim Tilki , Zeynep Arslanbenzer , Chris Packham Subject: [PATCH v6 2/2] dt-bindings: rtc: add max313xx RTCs Date: Fri, 2 Feb 2024 15:52:41 +1300 Message-ID: <20240202025241.834283-3-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240202025241.834283-1-chris.packham@alliedtelesis.co.nz> References: <20240202025241.834283-1-chris.packham@alliedtelesis.co.nz> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-SEG-SpamProfiler-Analysis: v=2.3 cv=LZFCFQXi c=1 sm=1 tr=0 a=KLBiSEs5mFS1a/PbTCJxuA==:117 a=k7vzHIieQBIA:10 a=gAnH3GRIAAAA:8 a=gEfo2CItAAAA:8 a=8-29ehldHqSqZt1QG5QA:9 a=oVHKYsEdi7-vN-J5QA_j:22 a=sptkURWiP4Gy88Gu7hUp:22 X-SEG-SpamProfiler-Score: 0 x-atlnz-ls: pat From: Ibrahim Tilki Devicetree binding documentation for Analog Devices MAX313XX RTCs Signed-off-by: Ibrahim Tilki Signed-off-by: Zeynep Arslanbenzer Signed-off-by: Chris Packham --- .../devicetree/bindings/rtc/adi,max313xx.yaml | 145 ++++++++++++++++++ 1 file changed, 145 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/adi,max313xx.yaml diff --git a/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml new file mode 100644 index 000000000000..ccfb0cbfb045 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml @@ -0,0 +1,145 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright 2022 Analog Devices Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/adi,max313xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices MAX313XX series I2C RTCs + +maintainers: + - Chris Packham + +description: Analog Devices MAX313XX series I2C RTCs. + +properties: + compatible: + enum: + - adi,max31328 + - adi,max31329 + - adi,max31331 + - adi,max31334 + - adi,max31341 + - adi,max31342 + - adi,max31343 + + reg: + description: I2C address of the RTC + items: + - enum: [0x68, 0x69] + + interrupts: + description: + Alarm1 interrupt line of the RTC. Some of the RTCs have two interrupt + lines and alarm1 interrupt muxing depends on the clockin/clockout + configuration. + maxItems: 1 + + "#clock-cells": + description: + RTC can be used as a clock source through its clock output pin when + supplied. + const: 0 + + clocks: + description: + RTC uses this clock for clock input when supplied. Clock has to provide + one of these four frequencies - 1Hz, 50Hz, 60Hz or 32.768kHz. + maxItems: 1 + + adi,tc-diode: + description: + Select the diode configuration for the trickle charger. + schottky - Schottky diode in series. + standard+schottky - standard diode + Schottky diode in series. + enum: [schottky, standard+schottky] + + trickle-resistor-ohms: + description: Selected resistor for trickle charger. + enum: [3000, 6000, 11000] + +required: + - compatible + - reg + +allOf: + - $ref: rtc.yaml# + - if: + properties: + compatible: + contains: + enum: + - adi,max31328 + - adi,max31342 + + then: + properties: + aux-voltage-chargeable: false + trickle-resistor-ohms: false + + - if: + properties: + compatible: + contains: + enum: + - adi,max31328 + - adi,max31331 + - adi,max31334 + - adi,max31343 + + then: + properties: + clocks: false + + - if: + properties: + compatible: + contains: + enum: + - adi,max31341 + - adi,max31342 + + then: + properties: + reg: + items: + - const: 0x69 + + else: + properties: + reg: + items: + - const: 0x68 + +unevaluatedProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31329"; + clocks = <&clkin>; + interrupt-parent = <&gpio>; + interrupts = <26 IRQ_TYPE_EDGE_FALLING>; + aux-voltage-chargeable = <1>; + trickle-resistor-ohms = <6000>; + adi,tc-diode = "schottky"; + }; + }; + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31331"; + #clock-cells = <0>; + }; + };