linux-kernel - [PATCH v2 1/4] dt-bindings: phy: spacemit: add K1 USB2 PHY

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Message-Id: <20250418-b4-k1-usb3-phy-v2-v2-1-b69e02da84eb@whut.edu.cn>
Date: Fri, 18 Apr 2025 21:19:50 +0800
From: Ze Huang <huangze@...t.edu.cn>
To: Vinod Koul <vkoul@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Yixun Lan <dlan@...too.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-phy@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev, 
 linux-kernel@...r.kernel.org, Ze Huang <huangze@...t.edu.cn>
Subject: [PATCH v2 1/4] dt-bindings: phy: spacemit: add K1 USB2 PHY

Add support for USB2 PHY found on SpacemiT K1 SoC.

Reviewed-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Ze Huang <huangze@...t.edu.cn>
---
 .../devicetree/bindings/phy/spacemit,usb2-phy.yaml | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml b/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..ea999cff9c250b144dd049e5ac3c084b22bd56ea
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/spacemit,usb2-phy.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/spacemit,usb2-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SpacemiT K1 SoC USB 2.0 PHY
+
+maintainers:
+  - Ze Huang <huangze@...t.edu.cn>
+
+properties:
+  compatible:
+    const: spacemit,k1-usb2-phy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    usb-phy@...c0000 {
+        compatible = "spacemit,k1-usb2-phy";
+        reg = <0xc09c0000 0x200>;
+        clocks = <&syscon_apmu 15>;
+        #phy-cells = <0>;
+    };

-- 
2.49.0