linux-kernel - [PATCH 7/8] dt-bindings: rtc: isl12022: add #clock-cells property

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Message-Id: <20230612113059.247275-8-linux@rasmusvillemoes.dk>
Date:   Mon, 12 Jun 2023 13:30:57 +0200
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, linux-rtc@...r.kernel.org,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 7/8] dt-bindings: rtc: isl12022: add #clock-cells property

The isl12022 has a dual-purpose irq/f_out pin, which can either be
used as an interrupt or clock output.

Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>
---

I've tried to express the fact that the pin can either be used
for interrupts or as a clock source, so that at most one of
"interrupts" and "#clock-cells" can be present, but I don't really
have any idea if this is the proper way to do that.

 .../devicetree/bindings/rtc/intersil,isl12022.yaml     | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/rtc/intersil,isl12022.yaml b/Documentation/devicetree/bindings/rtc/intersil,isl12022.yaml
index 1e85a9c8945b..345abed9234f 100644
--- a/Documentation/devicetree/bindings/rtc/intersil,isl12022.yaml
+++ b/Documentation/devicetree/bindings/rtc/intersil,isl12022.yaml
@@ -19,6 +19,9 @@ properties:
   interrupts:
     maxItems: 1
 
+  '#clock-cells':
+    const: 0
+
   isil,trip-level85-microvolt:
     description: |
       The battery voltage at which the first alarm should trigger
@@ -35,6 +38,13 @@ required:
   - compatible
   - reg
 
+if:
+  properties:
+    '#clock-cells'
+then:
+  properties:
+    interrupts: false
+
 unevaluatedProperties: false
 
 examples:
-- 
2.37.2