[v3,1/2] dt-bindings: rtc: max31335: add max31335 bindings

Message ID 20231031153100.92939-1-antoniu.miclaus@analog.com
State New
Headers
Series [v3,1/2] dt-bindings: rtc: max31335: add max31335 bindings |

Commit Message

Antoniu Miclaus Oct. 31, 2023, 3:30 p.m. UTC
  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

Krzysztof Kozlowski Oct. 31, 2023, 5:08 p.m. UTC | #1
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
  

Patch

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
+
+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>;
+        };
+    };
+...