Re: [PATCH v9 2/4] pinctrl: pinmux: Add pinmux-select debugfs file

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On 02.03.21 06:30, Drew Fustini wrote:

Hi folks,

Add "pinmux-select" to debugfs which will activate a pin function for a
given pin group:

   echo "<group-name function-name>" > pinmux-select

The write operation pinmux_select() handles this by checking that the
names map to valid selectors and then calling ops->set_mux().

I've already been playing with similar idea, but for external muxes.
For example, some boards have multiple SIM slots that can be switched
via some gpio pin.

Not sure whether traditional pinmux would be a good match for that.


--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
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