[PATCH] net: stmmac: Support gpio high-level reset for devices requiring it
Andrew Lunn
andrew at lunn.ch
Tue Jul 8 10:34:07 PDT 2025
On Tue, Jul 08, 2025 at 09:50:44AM -0700, Lizhe wrote:
> some devices only reset when the GPIO is at a high level, but the
> current function lacks support for such devices. add high-level
> reset functionality to the function to support devices that require
> high-level triggering for reset
You can probably specify this in DT:
reset-gpios = <&qe_pio_e 18 GPIO_ACTIVE_LOW>;
The gpio core will then flip the meaning of
gpiod_set_value_cansleep(reset_gpio, 1);
such that a value of 1 will become low, 0 will become high.
Andrew
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