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Wed, 19 Oct 2022 09:40:23 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Wed, 19 Oct 2022 09:40:23 -0400 Received: from IST-LT-39247.ad.analog.com (IST-LT-39247.ad.analog.com [10.25.16.14]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 29JDdxLT002874; Wed, 19 Oct 2022 09:40:14 -0400 From: Ibrahim Tilki To: , , , , , CC: Ibrahim Tilki , , , , , Zeynep Arslanbenzer Subject: [PATCH 2/2] dt-bindings: rtc: add bindings for max313xx RTCs Date: Wed, 19 Oct 2022 16:39:10 +0300 Message-ID: <20221019133910.282-2-Ibrahim.Tilki@analog.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221019133910.282-1-Ibrahim.Tilki@analog.com> References: <20221019133910.282-1-Ibrahim.Tilki@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: lj5kDgFVGRtH67dsB089N1xDK1Tw9GDK X-Proofpoint-GUID: lj5kDgFVGRtH67dsB089N1xDK1Tw9GDK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-19_08,2022-10-19_03,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 impostorscore=0 spamscore=0 phishscore=0 suspectscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210190076 X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747127919758820674?= X-GMAIL-MSGID: =?utf-8?q?1747132190204847342?= Devicetree binding documentation for Analog Devices MAX313XX RTCs Signed-off-by: Ibrahim Tilki Signed-off-by: Zeynep Arslanbenzer Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/rtc/adi,max313xx.yaml | 163 ++++++++++++++++++ 1 file changed, 163 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 000000000..1aa491799 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml @@ -0,0 +1,163 @@ +# 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 RTC driver + +maintainers: + - Ibrahim Tilki + - Zeynep Arslanbenzer + +description: Bindings for the Analog Devices MAX313XX series 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: + minItems: 1 + maxItems: 2 + + interrupt-names: + description: | + Name of the interrupt pin of the RTC used for IRQ. Not required for + RTCs that only have single interrupt pin available. Some of the RTCs + share interrupt pins with clock input/output pins. + minItems: 1 + items: + - enum: [INTA, INTB] + - enum: [INTA, INTB] + + "#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 + + trickle-diode-disable: true + + trickle-resistor-ohms: + description: Enables trickle charger with specified resistor value. + enum: [3000, 6000, 11000] + + wakeup-source: true + +additionalProperties: false + +allOf: + - $ref: rtc.yaml# + - if: + properties: + compatible: + contains: + enum: + - adi,max31328 + - adi,max31342 + + then: + properties: + trickle-diode-disable: 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 + +required: + - compatible + - reg + +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>; + interrupt-names = "INTB"; + }; + }; + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@68 { + reg = <0x68>; + compatible = "adi,max31331"; + #clock-cells = <0>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_EDGE_FALLING>, <26 IRQ_TYPE_EDGE_FALLING>; + interrupt-names = "INTA", "INTB"; + }; + }; + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@69 { + reg = <0x69>; + compatible = "adi,max31341"; + #clock-cells = <0>; + clocks = <&clkin>; + }; + };