linux-kernel - Re: [PATCH] arm64: dts: ti: k3-am62p-verdin: fix PWM_3

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Message-ID: <20250704180958.GA6379@francesco-nb>
Date: Fri, 4 Jul 2025 20:09:58 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Parth Pancholi <parth105105@...il.com>
Cc: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Parth Pancholi <parth.pancholi@...adex.com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: ti: k3-am62p-verdin: fix PWM_3_DSI GPIO
 direction

On Thu, Jul 03, 2025 at 10:45:34AM +0200, Parth Pancholi wrote:
> From: Parth Pancholi <parth.pancholi@...adex.com>
> 
> PWM_3_DSI is used as the HDMI Hot-Plug Detect (HPD) GPIO for the Verdin
> DSI-to-HDMI adapter. After the commit 33bab9d84e52 ("arm64: dts: ti:
> k3-am62p: fix pinctrl settings"), the pin was incorrectly set as output
> without RXACTIVE, breaking HPD detection and display functionality.
> The issue was previously hidden and worked by chance before the mentioned
> pinctrl fix.
> 
> Fix the pinmux configuration to correctly set PWM_3_DSI GPIO as an input.
> 
> Fixes: 87f95ea316ac ("arm64: dts: ti: Add Toradex Verdin AM62P")
> Signed-off-by: Parth Pancholi <parth.pancholi@...adex.com>

Reviewed-by: Francesco Dolcini <francesco.dolcini@...adex.com>