These Real Time Clocks are managed by the rtc-pcf85363 device driver,
which now supports the quartz-load-femtofarads property.

Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
---
v2:
  - create new bindings instead of adding conditional properties to an
    existing one.

 .../devicetree/bindings/rtc/nxp,pcf85363.yaml | 60 +++++++++++++++++++
 .../devicetree/bindings/rtc/nxp,pcf8563.yaml  |  2 -
 2 files changed, 60 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml

diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
new file mode 100644
index 000000000000..52aa3e2091e9
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/nxp,pcf85363.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Philips PCF85263/PCF85363 Real Time Clock
+
+maintainers:
+  - Alexandre Belloni <alexandre.belloni@bootlin.com>
+
+allOf:
+  - $ref: rtc.yaml#
+
+properties:
+  compatible:
+    enum:
+      - nxp,pcf85263
+      - nxp,pcf85363
+
+  reg:
+    maxItems: 1
+
+  "#clock-cells":
+    const: 0
+
+  clock-output-names:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  quartz-load-femtofarads:
+    description:
+      The capacitive load of the quartz(x-tal).
+    enum: [6000, 7000, 12500]
+    default: 7000
+
+  start-year: true
+  wakeup-source: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        rtc@51 {
+            compatible = "nxp,pcf85363";
+            reg = <0x51>;
+            #clock-cells = <0>;
+            quartz-load-femtofarads = <12500>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
index a98b72752349..22909a96123e 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
@@ -19,8 +19,6 @@ properties:
       - microcrystal,rv8564
       - nxp,pca8565
       - nxp,pcf8563
-      - nxp,pcf85263
-      - nxp,pcf85363
 
   reg:
     maxItems: 1
-- 
2.37.2

On 15/02/2023 09:18, Javier Carrasco wrote:
> These Real Time Clocks are managed by the rtc-pcf85363 device driver,
> which now supports the quartz-load-femtofarads property.
> 
> Signed-off-by: Javier Carrasco <javier.carrasco@wolfvision.net>
> ---
> v2:
>   - create new bindings instead of adding conditional properties to an
>     existing one.
> 
>  .../devicetree/bindings/rtc/nxp,pcf85363.yaml | 60 +++++++++++++++++++
>  .../devicetree/bindings/rtc/nxp,pcf8563.yaml  |  2 -
>  2 files changed, 60 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
> 
> diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
> new file mode 100644
> index 000000000000..52aa3e2091e9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/nxp,pcf85363.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/nxp,pcf85363.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Philips PCF85263/PCF85363 Real Time Clock
> +
> +maintainers:
> +  - Alexandre Belloni <alexandre.belloni@bootlin.com>
> +
> +allOf:
> +  - $ref: rtc.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - nxp,pcf85263
> +      - nxp,pcf85363
> +
> +  reg:
> +    maxItems: 1
> +
> +  "#clock-cells":
> +    const: 0
> +
> +  clock-output-names:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  quartz-load-femtofarads:
> +    description:
> +      The capacitive load of the quartz(x-tal).
> +    enum: [6000, 7000, 12500]
> +    default: 7000
> +
> +  start-year: true
> +  wakeup-source: true

You could drop these two and use "unevaluatedProperties: false" instead
of additionalProp - less coding and binding already will be prepared for
any new RTC common properties. But it is fine for me as is.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof