linux-kernel - [PATCH v2 1/3] dt-bindings: phy: aspeed: Document AST2700 USB3.0 PHY

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Message-ID: <20260116-upstream_usb3phy-v2-1-0b0c9f3eb6f4@aspeedtech.com>
Date: Fri, 16 Jan 2026 10:53:24 +0800
From: Ryan Chen <ryan_chen@...eedtech.com>
To: Vinod Koul <vkoul@...nel.org>, Neil Armstrong <neil.armstrong@...aro.org>,
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Joel Stanley <joel@....id.au>, "Andrew
 Jeffery" <andrew@...econstruct.com.au>, Philipp Zabel
	<p.zabel@...gutronix.de>
CC: <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-aspeed@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>, Ryan Chen <ryan_chen@...eedtech.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Subject: [PATCH v2 1/3] dt-bindings: phy: aspeed: Document AST2700 USB3.0
 PHY

Document AST2700 USB3.2 PHY. This IP is connected between
USB3 controller and PHY module.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@....qualcomm.com>
Signed-off-by: Ryan Chen <ryan_chen@...eedtech.com>
---
 .../bindings/phy/aspeed,ast2700-usb3-phy.yaml      | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/aspeed,ast2700-usb3-phy.yaml b/Documentation/devicetree/bindings/phy/aspeed,ast2700-usb3-phy.yaml
new file mode 100644
index 000000000000..b83037aa0438
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/aspeed,ast2700-usb3-phy.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/aspeed,ast2700-usb3-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ASPEED AST2700 USB 3.2 PHY
+
+maintainers:
+  - Ryan Chen <ryan_chen@...eedtech.com>
+
+properties:
+  compatible:
+    const: aspeed,ast2700-usb3-phy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  '#phy-cells':
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - resets
+  - '#phy-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/aspeed,ast2700-scu.h>
+    #include <dt-bindings/reset/aspeed,ast2700-scu.h>
+
+    usb-phy@...10000 {
+        compatible = "aspeed,ast2700-usb3-phy";
+        reg = <0x12010000 0xc0>;
+        clocks = <&syscon0 SCU0_CLK_GATE_PORTAUSB2CLK>;
+        resets = <&syscon0 SCU0_RESET_PORTA_PHY3>;
+        #phy-cells = <0>;
+    };

-- 
2.34.1