linux-kernel - [PATCH 1/3] dt-bindings: serial: 8250_omap: Update wakeup-source type property

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Message-ID: <20250904212455.3729029-2-k-willis@ti.com>
Date: Thu, 4 Sep 2025 16:24:53 -0500
From: Kendall Willis <k-willis@...com>
To: <gregkh@...uxfoundation.org>, <jirislaby@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <vigneshr@...com>,
        <linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <devicetree@...r.kernel.org>
CC: <d-gole@...com>, <vishalm@...com>, <sebin.francis@...com>,
        <msp@...libre.com>, <khilman@...libre.com>, <a-kaur@...com>,
        <k-willis@...com>, <john.ogness@...utronix.de>,
        <andriy.shevchenko@...ux.intel.com>, <yujiaoliang@...o.com>,
        <b-liu@...com>, <u.kleine-koenig@...libre.com>
Subject: [PATCH 1/3] dt-bindings: serial: 8250_omap: Update wakeup-source type property

Allow the wakeup-source property to be either of type boolean or of a
phandle array. The phandle array points to the system idle states that the
UART can wakeup the system from.

Signed-off-by: Kendall Willis <k-willis@...com>
---
 Documentation/devicetree/bindings/serial/8250_omap.yaml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/serial/8250_omap.yaml b/Documentation/devicetree/bindings/serial/8250_omap.yaml
index 1859f71297ff2..851a5291b4be4 100644
--- a/Documentation/devicetree/bindings/serial/8250_omap.yaml
+++ b/Documentation/devicetree/bindings/serial/8250_omap.yaml
@@ -69,7 +69,13 @@ properties:
   clock-frequency: true
   current-speed: true
   overrun-throttle-ms: true
-  wakeup-source: true
+
+  wakeup-source:
+    oneOf:
+      - type: boolean
+      - $ref: /schemas/types.yaml#/definitions/phandle-array
+        description:
+          List of phandles to system idle states in which UARTs can wakeup the system.
 
 required:
   - compatible
-- 
2.34.1