linux-kernel - Re: [PATCH v4 2/3] gpio: tegra186: Add support for Tegra264

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Message-ID: <aXjk3VEb7f2tDGrW@orome>
Date: Tue, 27 Jan 2026 17:16:37 +0100
From: Thierry Reding <thierry.reding@...nel.org>
To: Prathamesh Shete <pshete@...dia.com>
Cc: linusw@...nel.org, brgl@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, thierry.reding@...il.com, jonathanh@...dia.com, robh@...nel.org, 
	linux-gpio@...r.kernel.org, devicetree@...r.kernel.org, linux-tegra@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/3] gpio: tegra186: Add support for Tegra264

On Tue, Jan 27, 2026 at 05:03:57AM +0000, Prathamesh Shete wrote:
> Extend the existing Tegra186 GPIO controller driver with support for the
> GPIO controller found on Tegra264.
> 
> Use the "wakeup-parent" phandle from the GPIO device tree node to
> ensure the GPIO driver associates with the intended PMC device.
> Relying only on compatible-based lookup can select an unexpected
> PMC node, so fall back to compatible-based lookup when the phandle
> is not present.
> 
> Signed-off-by: Prathamesh Shete <pshete@...dia.com>
> Reviewed-by: Jon Hunter <jonathanh@...dia.com>
> ---
> Changes in v2:
>   * Use “wakeup-parent” instead of "nvidia,pmc" and include the renamed header.
> ---
>  drivers/gpio/gpio-tegra186.c | 90 +++++++++++++++++++++++++++++++++++-
>  1 file changed, 88 insertions(+), 2 deletions(-)

Acked-by: Thierry Reding <treding@...dia.com>

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