linux-kernel - Re: [PATCH 2/2] arm64: dts: ti: k3-am625-sk: Enable Type-C port for USB0

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Message-ID: <88c7d438-28ad-cc17-6abe-d8e1853260e9@kernel.org>
Date:   Sat, 25 Mar 2023 15:03:49 +0200
From:   Roger Quadros <rogerq@...nel.org>
To:     Nishanth Menon <nm@...com>
Cc:     vigneshr@...com, kristo@...nel.org, srk@...com,
        r-gunasekaran@...com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-am625-sk: Enable Type-C port for
 USB0



On 24/03/2023 20:15, Nishanth Menon wrote:
> On 15:31-20230324, Roger Quadros wrote:
>> USB0 is a Type-C port with dual data role and power sink.
>>
>> Signed-off-by: Roger Quadros <rogerq@...nel.org>
>> ---
>>  arch/arm64/boot/dts/ti/k3-am625-sk.dts | 40 ++++++++++++++++++++++++--
>>  1 file changed, 38 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
>> index be027fad5f61..c80b12943881 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
>> @@ -315,6 +315,33 @@ &main_i2c0 {
>>  	pinctrl-names = "default";
>>  	pinctrl-0 = <&main_i2c0_pins_default>;
>>  	clock-frequency = <400000>;
>> +
>> +	tps6598x@3f {
>> +		compatible = "ti,tps6598x";
>> +		reg = <0x3f>;
>> +		interrupt-parent = <&exp1>;
>> +		interrupts = <17 IRQ_TYPE_EDGE_FALLING>;
>> +		interrupt-names = "irq";
>> +
>> +		connector {
>> +			compatible = "usb-c-connector";
>> +			label = "USB-C";
>> +			self-powered;
>> +			data-role = "dual";
>> +			power-role = "sink";
>> +			ports {
>> +				#address-cells = <1>;
>> +				#size-cells = <0>;
>> +
>> +				port@0 {
>> +					reg = <0>;
>> +					usb_con_hs: endpoint {
>> +						remote-endpoint = <&usb0_hs_ep>;
>> +					};
>> +				};
>> +			};
>> +		};
>> +	};
>>  };
>>  
>>  &main_i2c1 {
>> @@ -336,7 +363,7 @@ exp1: gpio@22 {
>>  				   "UART1_FET_BUF_EN", "WL_LT_EN",
>>  				   "GPIO_HDMI_RSTn", "CSI_GPIO1",
>>  				   "CSI_GPIO2", "PRU_3V3_EN",
>> -				   "HDMI_INTn", "TEST_GPIO2",
>> +				   "HDMI_INTn", "PD_I2C_IRQ",
>>  				   "MCASP1_FET_EN", "MCASP1_BUF_BT_EN",
>>  				   "MCASP1_FET_SEL", "UART1_FET_SEL",
>>  				   "TSINT#", "IO_EXP_TEST_LED";
>> @@ -486,7 +513,16 @@ &usbss1 {
>>  };
>>  
>>  &usb0 {
>> -	dr_mode = "peripheral";
>> +	#address-cells = <1>;
>> +	#size-cells = <0>;
>> +	usb-role-switch;
>> +
>> +	port@0 {
>> +		reg = <0>;
>> +		usb0_hs_ep: endpoint {
>> +			remote-endpoint = <&usb_con_hs>;
>> +		};
>> +	};
>>  };
>>  
>>  &usb1 {
>> -- 
>> 2.34.1
>>
> 
> Please see thread: 
> https://lore.kernel.org/all/20230321-am62-lp-sk-v2-0-0a56e1694804@ti.com/
> you might need to rebase off that.
> 

OK.

cheers,
-roger