Re: [RFC 2/5] dt-bindings: pinctrl: add pic64gx "gpio2" pinmux

[Conor Dooley]

On Wed, Oct 01, 2025 at 01:32:37PM +0200, Linus Walleij wrote:
> On Fri, Sep 26, 2025 at 4:33 PM Conor Dooley <conor@xxxxxxxxxx> wrote:
> 
> > pin     role (1/0)
> > ---     ----------
> > E14     MAC_0_MDC/GPIO_2_0
> > E15     MAC_0_MDIO/GPIO_2_1
> > F16     MAC_1_MDC/GPIO_2_2
> > F17     MAC_1_MDIO/GPIO_2_3
> 
> So this is a group you can name "mac_grp" and a function
> you can name "mac".
> 
> > D19     SPI_0_CLK/GPIO_2_4
> > B18     SPI_0_SS0/GPIO_2_5
> (...)
> > E19     SPI_0_DO/GPIO_2_10
> > C7      SPI_0_DI/GPIO_2_11
> 
> These pins would be "spi0_grp", function "spi0".
> 
> etc. No need for "pinmux" properties just use classix
> group and function strings.

tbh, I found it hard to understand the "line" between using a pinmux
property and where stuff should be described in groups or functions in a
driver. What is that line?

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