Re: [PATCH v11 20/24] arm64: dts: rockchip: enable vop2 and hdmi tx on rock-3a

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On Sun, May 8, 2022 at 2:21 PM Piotr Oniszczuk
<piotr.oniszczuk@xxxxxxxxx> wrote:
>
>
> >>
> >> I think i have this already (pls see L231/L232 in https://pastebin.com/67wu9QrH )
> >
> > I see you have hdmitxm1_cec as the enabled pin. Are you certain it's
> > the m1 pin and not the m0 pin?
>
> It depends on board ver.
> pls look: https://github.com/radxa/kernel/commit/c1d727692e85c0a265913a72e517cf2bd71131ba

If you want to confirm the hardware is configured correctly you can
remove the cec pin from the hdmi node and set up a cec-gpio node.
https://elixir.bootlin.com/linux/v5.18-rc5/source/Documentation/devicetree/bindings/media/cec-gpio.txt

For some reason the board developers decided to make this selectable,
check the location of R90652 and R90653.

>
> >>
> >> Maybe i miss something but adding:
> >>
> >> &usb2phy0_otg {
> >>        phy-supply = <&vcc5v0_usb_host>;
> >>        status = "okay";
> >> };
> >>
> >> breaks working usb3 port0
> >> (so none of usb3 ports are working)
> >
> > Please pass along a full dmesg in this configuration.
>
> Here it is: https://pastebin.com/uArtBLaZ

I have some concerns about the DTS you've built here. For instance how
come you are modifying the power domains?
USB3 is broken because the rock3-a is a rk3568 device and you're
missing combophy0.

>
>



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