Document the device-tree bindings for Realtek SoCs Type-C.
Realtek DHC (digital home center) RTD SoCs support a Type-C module.
Signed-off-by: Stanley Chang <[email protected]>
---
v2 to v3 change:
changed the commit message (extcon to usb)
v1 to v2 change:
1. moved this binding from extcon to usb.
2. removed the property of pinctrl.
3. revised the properties of nvmem and gpio.
4. added connector node.
5. revised the example.
---
.../bindings/usb/realtek,rtd-type-c.yaml | 82 +++++++++++++++++++
1 file changed, 82 insertions(+)
create mode 100644 Documentation/devicetree/bindings/usb/realtek,rtd-type-c.yaml
diff --git a/Documentation/devicetree/bindings/usb/realtek,rtd-type-c.yaml b/Documentation/devicetree/bindings/usb/realtek,rtd-type-c.yaml
new file mode 100644
index 000000000000..6142b0b5b534
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/realtek,rtd-type-c.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2023 Realtek Semiconductor Corporation
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/realtek,rtd-type-c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Realtek DHC RTD SoCs USB Type-C Connector detection
+
+maintainers:
+ - Stanley Chang <[email protected]>
+
+description:
+ Realtek digital home center (DHC) RTD series SoCs include a type c module.
+ This module is able to detect the state of type c connector.
+
+properties:
+ compatible:
+ enum:
+ - realtek,rtd1295-type-c
+ - realtek,rtd1312c-type-c
+ - realtek,rtd1315e-type-c
+ - realtek,rtd1319-type-c
+ - realtek,rtd1319d-type-c
+ - realtek,rtd1395-type-c
+ - realtek,rtd1619-type-c
+ - realtek,rtd1619b-type-c
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ nvmem-cell-names:
+ items:
+ - const: usb-cal
+
+ nvmem-cells:
+ maxItems: 1
+ description:
+ The phandle to nvmem cell that contains the trimming data.
+ The type c parameter trimming data specified via efuse.
+ If unspecified, default value is used.
+
+ realtek,rd-ctrl-gpios:
+ description: The gpio node to control external Rd on board.
+ maxItems: 1
+
+ connector:
+ $ref: /schemas/connector/usb-connector.yaml#
+ description: Properties for usb c connector.
+ type: object
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ type-c@7220 {
+ compatible = "realtek,rtd1619b-type-c";
+ reg = <0x7220 0x20>;
+ interrupts = <0 60 IRQ_TYPE_LEVEL_HIGH>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&usb_cc1_pins>, <&usb_cc2_pins>;
+ nvmem-cells = <&otp_usb_cal>;
+ nvmem-cell-names = "usb-cal";
+
+ connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ data-role = "dual";
+ power-role = "dual";
+ };
+ };
--
2.34.1