From: Antoniu Miclaus <antoniu.miclaus@analog.com>
To: Antoniu Miclaus <antoniu.miclaus@analog.com>,
Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
"Jean Delvare" <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>, <linux-rtc@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-hwmon@vger.kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Subject: [PATCH v5 1/2] dt-bindings: rtc: max31335: add max31335 bindings
Date: Fri, 3 Nov 2023 16:00:25 +0200 [thread overview]
Message-ID: <20231103140051.43174-1-antoniu.miclaus@analog.com> (raw)
Document the Analog Devices MAX31335 device tree bindings.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
---
changes in v5:
- add `adi,tc-diode` property.
.../devicetree/bindings/rtc/adi,max31335.yaml | 69 +++++++++++++++++++
1 file changed, 69 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/adi,max31335.yaml
diff --git a/Documentation/devicetree/bindings/rtc/adi,max31335.yaml b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
new file mode 100644
index 000000000000..b82a8aa67428
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/adi,max31335.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices MAX31335 RTC
+
+maintainers:
+ - Antoniu Miclaus <antoniu.miclaus@analog.com>
+
+description:
+ Analog Devices MAX31335 I2C RTC ±2ppm Automotive Real-Time Clock with
+ Integrated MEMS Resonator.
+
+allOf:
+ - $ref: rtc.yaml#
+
+properties:
+ compatible:
+ const: adi,max31335
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ "#clock-cells":
+ description:
+ RTC can be used as a clock source through its clock output pin.
+ const: 0
+
+ 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. Should be specified if trickle
+ charger should be enabled.
+ enum: [3000, 6000, 11000]
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtc@68 {
+ compatible = "adi,max31335";
+ reg = <0x68>;
+ pinctrl-0 = <&rtc_nint_pins>;
+ interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
+ trickle-resistor-ohms = <6000>;
+ adi,tc-diode = "schottky";
+ };
+ };
+...
--
2.42.0
next reply other threads:[~2023-11-03 14:02 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-03 14:00 Antoniu Miclaus [this message]
2023-11-03 14:00 ` [PATCH v5 2/2] rtc: max31335: add driver support Antoniu Miclaus
2023-11-03 19:48 ` Guenter Roeck
2023-11-03 15:23 ` [PATCH v5 1/2] dt-bindings: rtc: max31335: add max31335 bindings Alexandre Belloni
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