From: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
To: <a.zummo@towertech.it>, <alexandre.belloni@bootlin.com>,
<jdelvare@suse.com>, <linux@roeck-us.net>, <robh+dt@kernel.org>,
<krzysztof.kozlowski+dt@linaro.org>
Cc: Ibrahim Tilki <Ibrahim.Tilki@analog.com>,
<linux-rtc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-hwmon@vger.kernel.org>, <devicetree@vger.kernel.org>,
Zeynep Arslanbenzer <Zeynep.Arslanbenzer@analog.com>
Subject: [PATCH v4 2/2] dt-bindings: rtc: add max313xx RTCs
Date: Wed, 15 Mar 2023 19:16:26 +0300 [thread overview]
Message-ID: <20230315161626.247-3-Ibrahim.Tilki@analog.com> (raw)
In-Reply-To: <20230315161626.247-1-Ibrahim.Tilki@analog.com>
Devicetree binding documentation for Analog Devices MAX313XX RTCs
Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
Signed-off-by: Zeynep Arslanbenzer <Zeynep.Arslanbenzer@analog.com>
---
.../devicetree/bindings/rtc/adi,max313xx.yaml | 142 ++++++++++++++++++
1 file changed, 142 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..bed6d0bc4
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/adi,max313xx.yaml
@@ -0,0 +1,142 @@
+# 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:
+ - Ibrahim Tilki <Ibrahim.Tilki@analog.com>
+ - Zeynep Arslanbenzer <Zeynep.Arslanbenzer@analog.com>
+
+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
+
+ aux-voltage-chargeable: true
+
+ trickle-resistor-ohms:
+ description: Enables trickle charger with specified resistor value.
+ enum: [3000, 6000, 11000]
+
+ adi,trickle-diode-enable:
+ description: Charge the auxiliary voltage with a diode.
+ type: boolean
+
+additionalProperties: false
+
+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
+
+required:
+ - compatible
+ - reg
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ 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>;
+ };
+ };
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtc@68 {
+ reg = <0x68>;
+ compatible = "adi,max31331";
+ #clock-cells = <0>;
+ };
+ };
--
2.25.1
next prev parent reply other threads:[~2023-03-15 16:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-15 16:16 [PATCH v4 0/2] drivers: rtc: add max313xx series rtc driver Ibrahim Tilki
2023-03-15 16:16 ` [PATCH v4 1/2] " Ibrahim Tilki
2023-03-17 21:50 ` Alexandre Belloni
2023-03-20 15:17 ` Tilki, Ibrahim
2023-03-15 16:16 ` Ibrahim Tilki [this message]
2023-03-16 7:57 ` [PATCH v4 2/2] dt-bindings: rtc: add max313xx RTCs Krzysztof Kozlowski
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