[v3,1/2] dt-bindings: rtc: max31335: add max31335 bindings
Commit Message
Document the Analog Devices MAX31335 device tree bindings.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
---
changes in v3:
- `trickle-resistor-ohms` description specifies that the property is mandatory
if trickle charger should be enabled.
.../devicetree/bindings/rtc/adi,max31335.yaml | 64 +++++++++++++++++++
1 file changed, 64 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/adi,max31335.yaml
Comments
On 31/10/2023 16:30, Antoniu Miclaus wrote:
> Document the Analog Devices MAX31335 device tree bindings.
>
> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
> ---
> changes in v3:
> - `trickle-resistor-ohms` description specifies that the property is mandatory
> if trickle charger should be enabled.
> .../devicetree/bindings/rtc/adi,max31335.yaml | 64 +++++++++++++++++++
> 1 file changed, 64 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..8da9cf2565be
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/adi,max31335.yaml
> @@ -0,0 +1,64 @@
> +# 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:
> + - $ref: rtc.yaml#
> +
> +properties:
> + compatible:
> + const: adi,max31335
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + "#clock-cells":
> + description:
> + RTC can be used as a clock source through its clock output pin.
> + const: 0
> +
> + trickle-resistor-ohms:
> + description:
> + Selected resistor for trickle charger. Should be specified if trickle
> + charger should be enabled.
> + enum: [3000, 6000, 11000]
> +
> + aux-voltage-chargeable: true
Drop, it comes with rtc.yaml.
With this property removed:
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
new file mode 100644
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$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. Should be specified if trickle
+ charger should be enabled.
+ 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>;
+ };
+ };
+...