Re: [PATCH 3/3] ARM: dts: Add g3d bus nodes using VDD_INT for Exynos542x SoC

[Anand Moon]

Hi Chanwoo,

On Mon, 26 Nov 2018 at 13:08, Chanwoo Choi <cw00.choi@xxxxxxxxxxx> wrote:
>
> Hi Anand,
>
> CLK_DOUT_ACLK_G3D is the clock for GPU h/w and it requires the buck4_reg("vdd_g3d").
>
> bus_wcore uses the buck3_reg("vdd_int"). bus_wcore and bus_g3d don't share the
> same voltage line. It is wrong to make 'bus_g3d' as the child of 'bus_wcore'
> because of using the different regulator.
>
> CLK_DOUT_ACLK_G3D and buck4_reg should be controlled from MALI driver
> with DEVFREQ framework. Unfortunately, MALI driver is not posted to mainline.
>
>

Thanks for your clarification, I missed this point. mali gpu is linked
to buck4_reg
Next time I will ask for the expert how to proceed on some changes.

Best Regards
-Anand