Re: [linux-sunxi] [PATCH v4 08/11] arm64: dts: allwinner: a64: Add display pipeline

From: Icenowy Zheng
Date: Thu Sep 06 2018 - 02:19:47 EST




ä 2018å9æ6æ GMT+08:00 äå2:18:13, Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> åå:
>On Tue, Sep 4, 2018 at 10:10 AM, Icenowy Zheng <icenowy@xxxxxxx> wrote:
>> From: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
>>
>> Allwinner A64 have a display pipeline with 2 mixers/TCONs, the first
>> TCON is connected to LCD and the second is to HDMI.
>>
>> The HDMI controller/PHY pair is similar to the one on H3/H5.
>>
>> Add all required device tree nodes of the display pipeline, including
>> the TCON0 LCD one and the TCON1 HDMI one.
>>
>> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
>> [Icenowy: refactor commit message and add 1st pipeline]
>> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
>> ---
>> Changes for v4:
>> - Misc fixes
>> - Dropped second PLL from HDMI PHY clock
>
>Why? it was there in previous versions.

Based on my experiments, the bit has no effect on A64, and the parent
is always PLL-VIDEO0.