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

From: Thierry Reding

Date: Tue Jan 27 2026 - 11:19:46 EST


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@xxxxxxxxxx>
> Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>

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