linux-kernel - [PATCH v1 4/7] dt-bindings: watchdog: add SMARC-sAM67 support

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Message-Id: <20250822131531.1366437-5-mwalle@kernel.org>
Date: Fri, 22 Aug 2025 15:15:28 +0200
From: Michael Walle <mwalle@...nel.org>
To: Nishanth Menon <nm@...com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Walle <mwalle@...nel.org>,
	Jean Delvare <jdelvare@...e.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Lee Jones <lee@...nel.org>,
	Srinivas Kandagatla <srini@...nel.org>,
	Wim Van Sebroeck <wim@...ux-watchdog.org>
Cc: linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hwmon@...r.kernel.org,
	linux-watchdog@...r.kernel.org
Subject: [PATCH v1 4/7] dt-bindings: watchdog: add SMARC-sAM67 support

The SMARC-sAM67 board has an on-board uC which has the same register
interface as the older CPLD implementation on the SMARC-sAL28 board.
Although the MCU emulates the same behavior, be prepared for any quirks
and add a board specific compatible.

Signed-off-by: Michael Walle <mwalle@...nel.org>
---
 .../devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml b/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
index 179272f74de5..b5b624e85468 100644
--- a/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/kontron,sl28cpld-wdt.yaml
@@ -18,7 +18,12 @@ allOf:
 
 properties:
   compatible:
-    const: kontron,sl28cpld-wdt
+    oneOf:
+      - items:
+          - enum:
+              - kontron,sa67mcu-wdt
+          - const: kontron,sl28cpld-wdt
+      - const: kontron,sl28cpld-wdt
 
   reg:
     maxItems: 1
-- 
2.39.5