[PATCHv3 1/2] dt-bindings: usb: typec: anx7688: start a binding document

Pavel Machek
2024-04-08T10:51:17Z

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Add binding for anx7688 usb type-c bridge. I don't have a datasheet,
but I did best I could.

Signed-off-by: Pavel Machek <pavel@ucw.cz>

---

v2: implement review feedback
v3: fix single character pointed by robot

diff --git a/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml b/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml
new file mode 100644
index 000000000000..48b9ae936cb5
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml
@@ -0,0 +1,127 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/analogix,anx7688.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+# Pin names can be deduced from
+# https://files.pine64.org/doc/PinePhone/PinePhone%20v1.2b%20Released%20Schematic.pdf
+
+title: Analogix ANX7688 Type-C controller
+
+maintainers:
+ - Pavel Machek <pavel@ucw.cz>
+
+properties:
+ compatible:
+ enum:
+ - analogix,anx7688
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ maxItems: 1
+ description: GPIO controlling RESET_N (B7) pin.
+
+ enable-gpios:
+ maxItems: 1
+ description: GPIO controlling POWER_EN (D2) pin.
+
+ cabledet-gpios:
+ maxItems: 1
+ description: GPIO controlling CABLE_DET (C3) pin.
+
+ avdd10-supply:
+ description: 1.0V power supply going to AVDD10 (A4, ...) pins
+
+ dvdd10-supply:
+ description: 1.0V power supply going to DVDD10 (D6, ...) pins
+
+ avdd18-supply:
+ description: 1.8V power supply going to AVDD18 (E3, ...) pins
+
+ dvdd18-supply:
+ description: 1.8V power supply going to DVDD18 (G4, ...) pins
+
+ avdd33-supply:
+ description: 3.3V power supply going to AVDD33 (C4, ...) pins
+
+ i2c-supply: true
+ vconn-supply: true
+ hdmi-vt-supply: true
+ vbus-supply: true
+ vbus-in-supply: true
+
+ connector:
+ type: object
+ $ref: /schemas/connector/usb-connector.yaml
+
+ description:
+ Properties for usb c connector.
+
+ properties:
+ compatible:
+ const: usb-c-connector
+
+required:
+ - compatible
+ - reg
+ - connector
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ #include <dt-bindings/gpio/gpio.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ typec@2c {
+ compatible = "analogix,anx7688";
+ reg = <0x2c>;
+ interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
+ interrupt-parent = <&gpio0>;
+
+ enable-gpios = <&pio 3 10 GPIO_ACTIVE_LOW>; /* PD10 */
+ reset-gpios = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */
+ cabledet-gpios = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
+
+ avdd10-supply = <&reg_anx1v0>;
+ dvdd10-supply = <&reg_anx1v0>;
+ avdd18-supply = <&reg_ldo_io1>;
+ dvdd18-supply = <&reg_ldo_io1>;
+ avdd33-supply = <&reg_dcdc1>;
+ i2c-supply = <&reg_ldo_io0>;
+ vconn-supply = <&reg_vconn5v0>;
+ hdmi-vt-supply = <&reg_dldo1>;
+
+ vbus-supply = <&reg_usb_5v>;
+ vbus-in-supply = <&usb_power_supply>;
+
+ typec_con: connector {
+ compatible = "usb-c-connector";
+ power-role = "dual";
+ data-role = "dual";
+ try-power-role = "source";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ typec_con_ep: endpoint {
+ remote-endpoint = <&usbotg_hs_ep>;
+ };
+ };
+ };
+ };
+ };
+ };
+...

--
People of Russia, stop Putin before his war on Ukraine escalates.

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