linux-kernel - Re: [PATCH] arm64: dts: ti: k3-j722s-evm: Fix USB2.0_MUX

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Message-ID: <1f7a3d91-3b5b-4706-8857-7bb71beecb3a@kernel.org>
Date: Mon, 20 Jan 2025 14:11:47 +0200
From: Roger Quadros <rogerq@...nel.org>
To: Hrushikesh Salunke <h-salunke@...com>, nm@...com, vigneshr@...com,
 kristo@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 r-gunasekaran@...com, s-vadapalli@...com
Cc: srk@...com, danishanwar@...com, linux-arm-kernel@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: ti: k3-j722s-evm: Fix USB2.0_MUX_SEL to
 select Type-C



On 16/01/2025 14:57, Hrushikesh Salunke wrote:
> J722S SOC has two usb controllers USB0 and USB1. USB0 is brought out on
> the EVM as a stacked USB connector which has one Type-A and one Type-C
> port. These Type-A and Type-C ports are connected to MUX so only
> one of them can be enabled at a time.
> 
> Commit under Fixes, tries to enable the USB0 instance of USB to
> interface with the Type-C port via the USB hub, by configuring the
> USB2.0_MUX_SEL to GPIO_ACTIVE_HIGH. But it is observed on J722S-EVM
> that Type-A port is enabled instead of Type-C port.
> 
> Fix this by setting USB2.0_MUX_SEL to GPIO_ACTIVE_LOW to enable Type-C
> port.
> 
> Fixes: 485705df5d5f ("arm64: dts: ti: k3-j722s: Enable PCIe and USB support on J722S-EVM")
> Signed-off-by: Hrushikesh Salunke <h-salunke@...com>

Reviewed-by: Roger Quadros <rogerq@...nel.org>