linux-kernel - [PATCH 4/5] dt-bindings: gpio: aspeed,sgpio: Support ast2700

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Message-ID: <20260117-upstream_sgpio-v1-4-850ef3ffb680@aspeedtech.com>
Date: Sat, 17 Jan 2026 19:17:11 +0800
From: Billy Tsai <billy_tsai@...eedtech.com>
To: Linus Walleij <linusw@...nel.org>, Bartosz Golaszewski <brgl@...nel.org>,
	Joel Stanley <joel@....id.au>, Andrew Jeffery <andrew@...econstruct.com.au>,
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
CC: <linux-gpio@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>, "Andrew
 Jeffery" <andrew@...id.au>, <devicetree@...r.kernel.org>,
	<bmc-sw@...eedtech.com>, Billy Tsai <billy_tsai@...eedtech.com>
Subject: [PATCH 4/5] dt-bindings: gpio: aspeed,sgpio: Support ast2700

The AST2700 is the 7th generation SoC from Aspeed, featuring two SGPIO
master controllers: both with 256 serial inputs and outputs.

Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
---
 Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml b/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml
index 1046f0331c09..974185e3478f 100644
--- a/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml
@@ -10,7 +10,8 @@ maintainers:
   - Andrew Jeffery <andrew@...id.au>
 
 description:
-  This SGPIO controller is for ASPEED AST2400, AST2500 and AST2600 SoC,
+  This SGPIO controller is for ASPEED AST2400, AST2500, AST2600 and AST2700 SoC,
+  AST2700 have two sgpio master both with 256 pins,
   AST2600 have two sgpio master one with 128 pins another one with 80 pins,
   AST2500/AST2400 have one sgpio master with 80 pins. Each of the Serial
   GPIO pins can be programmed to support the following options
@@ -27,6 +28,7 @@ properties:
       - aspeed,ast2400-sgpio
       - aspeed,ast2500-sgpio
       - aspeed,ast2600-sgpiom
+      - aspeed,ast2700-sgpiom
 
   reg:
     maxItems: 1

-- 
2.34.1