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

[Peter Geis]

On Tue, May 10, 2022 at 3:29 AM Piotr Oniszczuk
<piotr.oniszczuk at gmail.com> wrote:
>
>
>
> > Wiadomość napisana przez Peter Geis <pgwipeout at gmail.com> w dniu 10.05.2022, o godz. 03:35:
> >
> > Could you grab the clock tree from /sys/kernel/debug/clk/clk_summary
> > for the clk_hdmi_cec tree?
>
> Here it is:
>                                 enable  prepare  protect                                duty  hardware
>    clock                          count    count    count        rate   accuracy phase  cycle    enable
> -------------------------------------------------------------------------------------------------------
>    clk_rtc32k_frac                   1        1        0       32768          0     0  50000         Y
>        clk_rtc_32k                    1        1        0       32768          0     0  50000         Y
>           clk_hdmi_cec                1        2        0       32768          0     0  50000         Y

You are on the clk_rtc32k_frac which is a fractional divider that is
fed from the 24m clock. Your clock likely isn't the issue here. I'd
recommend setting up the cec-gpio node to validate your hardware
works.