linux-kernel - [PATCH v3 3/5] dt-bindings: serial: amlogic,meson-uart: Add compatible string for A4

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Date: Mon, 01 Apr 2024 18:10:51 +0800
From: Xianwei Zhao via B4 Relay <devnull+xianwei.zhao.amlogic.com@...nel.org>
To: Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Jerome Brunet <jbrunet@...libre.com>, Kevin Hilman <khilman@...libre.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jiri Slaby <jirislaby@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org, 
 linux-serial@...r.kernel.org, Xianwei Zhao <xianwei.zhao@...ogic.com>
Subject: [PATCH v3 3/5] dt-bindings: serial: amlogic,meson-uart: Add
 compatible string for A4

From: Xianwei Zhao <xianwei.zhao@...ogic.com>

Amlogic A4 SoCs uses the same UART controller as S4 SoCs and G12A.
There is no need for an extra compatible line in the driver, but
add A4 compatible line for documentation.

Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
---
 Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
index 2e189e548327..0565fb7649c5 100644
--- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
@@ -54,7 +54,9 @@ properties:
           - const: amlogic,meson-gx-uart
       - description: UART controller on S4 compatible SoCs
         items:
-          - const: amlogic,t7-uart
+          - enum:
+              - amlogic,a4-uart
+              - amlogic,t7-uart
           - const: amlogic,meson-s4-uart
 
   reg:

-- 
2.37.1