Re: [PATCH 1/3] pinctrl: rockchip: add support for io-domain dependency

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On Wed, Sep 13, 2023 at 08:58:43AM +0200, Sascha Hauer wrote:
> On Wed, Sep 13, 2023 at 12:37:54PM +0800, Chen-Yu Tsai wrote:
> > On Tue, Sep 12, 2023 at 4:07 PM Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> > >
> > > Top posting to bring Saravana Kannan into this discussion.
> > >
> > > This looks like a big hack to me, Saravana has been working
> > > tirelessly to make the device tree probe order "sort itself out"
> > > and I am pretty sure this issue needs to be fixed at the DT
> > > core level and not in a driver.
> > 
> > We could merge all the IO domain stuff into the pinctrl node/driver,
> > like is done for Allwinner? Maybe that would simplify things a bit?
> 
> I thought about this as well. On Rockchip the pinctrl driver and the IO
> domain driver even work on the same register space, so putting these
> into a single node/driver would even feel more natural than what we have
> now.

DT should reflect the hardware. If this is in fact 1 block, then it 
should be 1 DT node. How you want to split the driver or not is up to 
you.

Rob




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