[PATCH 1/2] dt-bindings: usb: Add documentation for sc27xx typec controller

[Cixi Geng <gengcixi@gmail.com>]

From: Cixi Geng <cixi.geng1@unisoc.com>

The Spreadtrum PMIC SC27xx integrated typec port controller.
add the bindings to describe sc27xx typec controller.

Signed-off-by: Cixi Geng <cixi.geng1@unisoc.com>
---
 .../bindings/usb/sprd,sc27xx-typec.yaml       | 72 +++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/sprd,sc27xx-typec.yaml

diff --git a/Documentation/devicetree/bindings/usb/sprd,sc27xx-typec.yaml b/Documentation/devicetree/bindings/usb/sprd,sc27xx-typec.yaml
new file mode 100644
index 000000000000..6e49198c88da
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/sprd,sc27xx-typec.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2022 Unisoc Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/sprd,sc27xx-typec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SC27XX Type-C port controller
+
+description:
+  The UNISOC, also know as Spreadtrum, SC27XX is a USB Type-C port controller which
+  supports role and plug orientation detection using the CC pins. It is
+  compatible with the USB Type-C Cable and Connector Specification v1.2.
+
+maintainers:
+  - Cixi Geng <gengcixi@gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - sprd,sc2730-typec
+      - sprd,sc2721-typec
+      - sprd,ump96xx-typec
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  sprd,mode:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description:
+      The Type-C port mode type
+
+  nvmem-cells:
+    maxItems: 2
+    description:
+      Reference to an nvmem node for the calibration data.
+
+  nvmem-cell-names:
+    items:
+      - const: typec_cc1_cal
+      - const: typec_cc2_cal
+
+required:
+  - compatible
+  - reg
+  - sprd,mode
+  - nvmem-cells
+  - nvmem-cell-names
+
+additionalProperties: false
+
+examples:
+  - |
+    pmic {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pmic_typec: typec@380 {
+                compatible = "sprd,sc2730-typec";
+                interrupt-parent = <&sc2730_pmic>;
+                interrupts = <8>;
+                reg = <0x380>;
+                sprd,mode = <2>;
+                nvmem-cells = <&typec_cc1_cal>, <&typec_cc2_cal>;
+                nvmem-cell-names = "typec_cc1_cal", "typec_cc2_cal";
+                status = "okay";
+        };
+    };
+...
-- 
2.25.1