linux-kernel - [PATCH 2/2] dt-bindings: rtc: nxp,pcf8563: add quartz-load-femtofarads for pcf85263 and pcf85363

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Message-ID: <20230213095018.2255225-3-javier.carrasco@wolfvision.net>
Date:   Mon, 13 Feb 2023 10:50:18 +0100
From:   Javier Carrasco <javier.carrasco@...fvision.net>
To:     linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
CC:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Riesch <michael.riesch@...fvision.net>,
        Javier Carrasco <javier.carrasco@...fvision.net>
Subject: [PATCH 2/2] dt-bindings: rtc: nxp,pcf8563: add quartz-load-femtofarads for pcf85263 and pcf85363

These RTCs are handled by the pcf85363 device driver, which now supports
the quartz-load-femtofarads property.

Signed-off-by: Javier Carrasco <javier.carrasco@...fvision.net>
---
 .../devicetree/bindings/rtc/nxp,pcf8563.yaml  | 20 ++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
index a98b72752349..aac7f7565ba7 100644
--- a/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
+++ b/Documentation/devicetree/bindings/rtc/nxp,pcf8563.yaml
@@ -9,9 +9,6 @@ title: Philips PCF8563/Epson RTC8564 Real Time Clock
 maintainers:
   - Alexandre Belloni <alexandre.belloni@...tlin.com>
 
-allOf:
-  - $ref: rtc.yaml#
-
 properties:
   compatible:
     enum:
@@ -37,6 +34,23 @@ properties:
   start-year: true
   wakeup-source: true
 
+allOf:
+  - $ref: rtc.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - nxp,pcf85263
+              - nxp,pcf85363
+    then:
+      properties:
+        quartz-load-femtofarads:
+          description:
+            The capacitive load of the quartz(x-tal).
+          enum: [6000, 7000, 12500]
+          default: 7000
+
 required:
   - compatible
   - reg
-- 
2.37.2


Javier Carrasco 
Research and Development

Wolfvision GmbH 
Oberes Ried 14 | 6833 Klaus | Austria 
Tel: +43 5523 52250 <tel:+43552352250> | Mail: javier.carrasco@...fvision.net <mailto:javier.carrasco@...fvision.net>

Website: wolfvision.com <www.wolfvision.com> 
Firmenbuch / Commercial Register: FN283521v Feldkirch/Austria