Re: [PATCH] arm64: dts: ti: k3-am62p-verdin: fix PWM_3_DSI GPIO direction
From: Francesco Dolcini
Date: Fri Jul 04 2025 - 14:10:23 EST
On Thu, Jul 03, 2025 at 10:45:34AM +0200, Parth Pancholi wrote:
> From: Parth Pancholi <parth.pancholi@xxxxxxxxxxx>
>
> 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@xxxxxxxxxxx>
Reviewed-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>