linux-kernel - [PATCH 2/7] dt-bindings: soc: ti: pruss: Add documentation for PRU UART support

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Message-ID: <20250513215934.933807-3-jm@ti.com>
Date: Tue, 13 May 2025 16:59:29 -0500
From: Judith Mendez <jm@...com>
To: Judith Mendez <jm@...com>,
        Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>
CC: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Nishanth Menon <nm@...com>,
        Santosh
 Shilimkar <ssantosh@...nel.org>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>, Bin Liu <b-liu@...com>,
        Andy Shevchenko
	<andriy.shevchenko@...ux.intel.com>,
        Andrew Davis <afd@...com>, <linux-kernel@...r.kernel.org>,
        <linux-serial@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 2/7] dt-bindings: soc: ti: pruss: Add documentation for PRU UART support

Add documentation for PRU UART node which is for PRU serial UART
based-off the industry standard TL16C550 asynchronous communications
element.

Signed-off-by: Judith Mendez <jm@...com>
---
 Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
index 927b3200e29e..54397297cbf5 100644
--- a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
+++ b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml
@@ -324,6 +324,13 @@ patternProperties:
     $ref: /schemas/net/ti,davinci-mdio.yaml#
     type: object
 
+  serial@[a-f0-9]+$:
+    description: |
+      Serial UART sub-module. A PRUSS can have a serial UART sub-module based
+      on the industry standard TL16C550 asynchronous communications element.
+    $ref: /schemas/serial/ti,pruss-uart.yaml#
+    type: object
+
   "^(pru|rtu|txpru)@[0-9a-f]+$":
     description: |
       PRU Node. Each PRUSS has dual PRU cores, each represented as a RemoteProc
-- 
2.49.0