linux-kernel - Re: [PATCHv2 1/2] dt-bindings: usb: typec: anx7688: start a binding document

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Message-ID: <Ze92B/PPOvvrtnkA@duo.ucw.cz>
Date: Mon, 11 Mar 2024 22:22:15 +0100
From: Pavel Machek <pavel@....cz>
To: phone-devel@...r.kernel.org, kernel list <linux-kernel@...r.kernel.org>,
	fiona.klute@....de, martijn@...xit.nl, samuel@...lland.org,
	heikki.krogerus@...ux.intel.com, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org,
	megi@....cz
Subject: Re: [PATCHv2 1/2] dt-bindings: usb: typec: anx7688: start a binding
 document

Hi!

> 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@....cz>

Any more comments here? Automatic system told me I need to replace one
character...

Best regards,
								Pavel

> ---
> 
> v2: implement review feedback
> 
> diff --git a/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml b/Documentation/devicetree/bindings/usb/analogix,anx7688.yaml
> new file mode 100644
> index 000000000000..9e887eafb5fc
> --- /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@....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>;
> +                        };
> +                    };
> +                };
> +            };
> +        };
> +    };
> +...
> 



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