[PATCH 1/5] dt-bindings: phy: Add Canaan K230 USB2.0 PHY DT schema

[Jiayu Du]

k230-usb-phy driver supports USB 2.0 phys integrated in Canaan
K230 SoC. Add YAML schema for its binding.

Signed-off-by: Jiayu Du <jiayu.riscv at isrc.iscas.ac.cn>
---
 .../bindings/phy/canaan,k230-usb-phy.yaml     | 36 +++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/canaan,k230-usb-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/canaan,k230-usb-phy.yaml b/Documentation/devicetree/bindings/phy/canaan,k230-usb-phy.yaml
new file mode 100644
index 000000000000..f1c9511c873f
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/canaan,k230-usb-phy.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/canaan,k230-usb-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Canaan K230 USB2.0 PHY
+
+maintainers:
+  - Jiayu Du <jiayu.riscv at isrc.iscas.ac.cn>
+
+properties:
+  compatible:
+    const: canaan,k230-usb-phy
+
+  reg:
+    description:
+      Two register regions for USB PHY in HiSysConfig syscon block.
+    items:
+      - description: USB PHY test control reg (pullup/pulldown config)
+      - description: USB PHY core control reg (PLL/transceiver tuning)
+    minItems: 2
+    maxItems: 2
+
+  clocks:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - "#phy-cells"
+
+additionalProperties: false
-- 
2.52.0