From: Yu-Che Hsieh <yc_hsieh@aspeedtech.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Lubomir Rintel <lkundrak@v3.sk>, <devicetree@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <linux-serial@vger.kernel.org>,
"Yu-Che Hsieh" <yc_hsieh@aspeedtech.com>
Subject: [PATCH] dt-bindings: serial: 8250: Add Aspeed AST2600 and AST2700 uart compatible
Date: Tue, 21 Jul 2026 09:44:23 +0800 [thread overview]
Message-ID: <20260721-upstream-ast2700-vuart-support-v1-1-b4ed612b1aa2@aspeedtech.com> (raw)
The AST2600 and AST2700 VUART controllers are identical to the AST2500
VUART controller.
Add the "aspeed,ast2600-vuart" and "aspeed,ast2700-vuart" compatible
strings and fall back to "aspeed,ast2500-vuart" for compatibility with
the existing driver.
Signed-off-by: Yu-Che Hsieh <yc_hsieh@aspeedtech.com>
---
Documentation/devicetree/bindings/serial/8250.yaml | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml
index bb7b9c87a807..8c2c177faf89 100644
--- a/Documentation/devicetree/bindings/serial/8250.yaml
+++ b/Documentation/devicetree/bindings/serial/8250.yaml
@@ -23,7 +23,8 @@ allOf:
then:
properties:
compatible:
- const: aspeed,ast2500-vuart
+ contains:
+ const: aspeed,ast2500-vuart
- if:
properties:
compatible:
@@ -188,6 +189,11 @@ properties:
- loongson,ls2k2000-uart
- const: loongson,ls2k1500-uart
- const: ns16550a
+ - items:
+ - enum:
+ - aspeed,ast2600-vuart
+ - aspeed,ast2700-vuart
+ - const: aspeed,ast2500-vuart
reg:
maxItems: 1
---
base-commit: da7b5fd4e17f8e44c5590f2d603c01d499f056e6
change-id: 20260717-upstream-ast2700-vuart-support-d21b85ce1a52
Best regards,
--
Yu-Che Hsieh <yc_hsieh@aspeedtech.com>
next reply other threads:[~2026-07-21 1:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-21 1:44 Yu-Che Hsieh [this message]
2026-08-03 13:23 ` Rob Herring (Arm)
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