linux-kernel - Re: [PATCH v3 4/4] arm64: dts: imx8mp-iota2: Enable the USB Type-C port

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Message-ID: <20240924072349.a446hzxw2lfpg34i@pengutronix.de>
Date: Tue, 24 Sep 2024 09:23:49 +0200
From: Marco Felsch <m.felsch@...gutronix.de>
To: Michal Vokáč <michal.vokac@...ft.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Shawn Guo <shawnguo@...nel.org>, Petr Benes <petr.benes@...ft.com>,
	devicetree@...r.kernel.org, linux-usb@...r.kernel.org,
	Michael Walle <mwalle@...nel.org>, imx@...ts.linux.dev,
	Alexander Stein <alexander.stein@...tq-group.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Mathieu Othacehe <m.othacehe@...il.com>,
	Hugo Villeneuve <hvilleneuve@...onoff.com>,
	linux-kernel@...r.kernel.org,
	Hiago De Franco <hiago.franco@...adex.com>,
	Herburger <gregor.herburger@...tq-group.com>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Joao Paulo Goncalves <joao.goncalves@...adex.com>,
	Fabio Estevam <festevam@...il.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 4/4] arm64: dts: imx8mp-iota2: Enable the USB Type-C
 port

On 24-09-23, Michal Vokáč wrote:
> From: Petr Benes <petr.benes@...ft.com>
> 
> Enable the USB Type-C port with the Diodes PI5USB30213A port controller.
> The port supports dual role data but can operate only in source power role
> and PD is not supported.
> 
> Signed-off-by: Petr Benes <petr.benes@...ft.com>
> Signed-off-by: Michal Vokáč <michal.vokac@...ft.com>
> ---
> v3:
> - none
> v2:
> - Use typec instead of tcpc.
> - Drop unneeded status.
> 
>  .../boot/dts/freescale/imx8mp-iota2-lumpy.dts | 94 +++++++++++++++++++
>  1 file changed, 94 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts b/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts
> index 120e6b87a000..bfed410339a4 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-iota2-lumpy.dts
> @@ -32,6 +32,17 @@ button-reset {
>  		};
>  	};
>  
> +	reg_typec: regulator-typec {
> +		compatible = "regulator-fixed";
> +		enable-active-high;
> +		gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;

Can you please put the enable-active-high and gpio property below the
regualtor-* properties?

> +		pinctrl-0 = <&pinctrl_usbc_vbus>;
> +		pinctrl-names = "default";
> +		regulator-max-microvolt = <5000000>;
> +		regulator-min-microvolt = <5000000>;
> +		regulator-name = "typec";
> +	};
> +
>  	reg_usb_host: regulator-usb-host {
>  		compatible = "regulator-fixed";
>  		enable-active-high;
> @@ -218,6 +229,46 @@ &i2c2 {
>  	pinctrl-names = "default";
>  	status = "okay";
>  
> +	typec@d {
> +		compatible = "diodes,pi5usb30213a";
> +		reg = <0xd>;
> +		interrupts-extended = <&gpio1 5 IRQ_TYPE_LEVEL_LOW>;
> +		pinctrl-0 = <&pinctrl_typec>;
> +		pinctrl-names = "default";
> +
> +		connector {
> +			compatible = "usb-c-connector";
> +			data-role = "dual";
> +			label = "USB-C";
> +			pd-disable;
> +			power-role = "source";
> +			self-powered;
> +			typec-power-opmode = "default";
> +			vbus-supply = <&reg_typec>;
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +
> +					usb_con_hs: endpoint {
> +						remote-endpoint = <&typec_hs>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +
> +					usb_con_ss: endpoint {
> +						remote-endpoint = <&typec_ss>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
>  	rtc: rtc@68 {
>  		compatible = "dallas,ds1341";
>  		reg = <0x68>;
> @@ -309,6 +360,12 @@ MX8MP_IOMUXC_SAI3_MCLK__PWM4_OUT	0x102
>  		>;
>  	};
>  
> +	pinctrl_typec: typecgrp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_GPIO1_IO05__GPIO1_IO05	0x1c0
> +		>;
> +	};
> +
>  	pinctrl_uart2: uart2grp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX	0x0
> @@ -322,6 +379,11 @@ MX8MP_IOMUXC_GPIO1_IO14__USB2_OTG_PWR	0x0
>  		>;
>  	};
>  
> +	pinctrl_usbc_vbus: usbcgrp {
> +		fsl,pins = <MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12	0x0
> +		>;
> +	};
> +
>  	pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK	0x194
> @@ -389,15 +451,47 @@ &uart2 {
>  	status = "okay";
>  };
>  
> +&usb3_0 {
> +	status = "okay";
> +};
> +
>  &usb3_1 {
>  	status = "okay";
>  };
>  
> +&usb3_phy0 {
> +	status = "okay";
> +};
> +
>  &usb3_phy1 {
>  	vbus-supply = <&reg_usb_host>;
>  	status = "okay";
>  };
>  
> +&usb_dwc3_0 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	dr_mode = "otg";
> +	usb-role-switch;
> +	status = "okay";
> +

	ports {
		#address-cells = <1>;
		#size-cells = <0>;

> +	port@0 {
> +		reg = <0>;
> +
> +		typec_hs: endpoint {
> +			remote-endpoint = <&usb_con_hs>;
> +		};
> +	};
> +
> +	port@1 {
> +		reg = <1>;
> +
> +		typec_ss: endpoint {
> +			remote-endpoint = <&usb_con_ss>;
> +		};
> +	};

	}

	like you did for the connector node.

> +};
> +
>  &usb_dwc3_1 {
>  	dr_mode = "host";
>  	status = "okay";
> -- 
> 2.43.0
> 
> 
>