From: Antoniu Miclaus <antoniu.miclaus@analog.com>
To: 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>,
Antoniu Miclaus <antoniu.miclaus@analog.com>,
<linux-rtc@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-hwmon@vger.kernel.org>
Subject: [PATCH v2 1/2] dt-bindings: rtc: max31335: add max31335 bindings
Date: Tue, 31 Oct 2023 14:57:37 +0200 [thread overview]
Message-ID: <20231031125751.86566-1-antoniu.miclaus@analog.com> (raw)
Document the Analog Devices MAX31335 device tree bindings.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
---
changes in v2:
- improve description
- drop "Device Tree Bindings"
- move $ref: rtc.yaml# after description
- drop i2c description
- add aux-voltage-chargeable and drop trickle-diode-enable
- use new dtschema version for checking the bindings
.../devicetree/bindings/rtc/adi,max31335.yaml | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/adi,max31335.yaml
diff --git a/Documentation/devicetree/bindings/rtc/adi,max31335.yaml b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
new file mode 100644
index 000000000000..fe5e41b9a3ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$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
+
+ trickle-resistor-ohms:
+ description: Selected resistor for trickle charger.
+ enum: [3000, 6000, 11000]
+
+ aux-voltage-chargeable: true
+
+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>;
+ aux-voltage-chargeable =<1>;
+ };
+ };
+...
--
2.42.0
next reply other threads:[~2023-10-31 13:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-31 12:57 Antoniu Miclaus [this message]
2023-10-31 12:57 ` [PATCH v2 2/2] rtc: max31335: add driver support Antoniu Miclaus
2023-10-31 17:20 ` [PATCH v2 1/2] dt-bindings: rtc: max31335: add max31335 bindings Krzysztof Kozlowski
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