[PATCH 1/4] rockchip: gru: Set up SoC IO domain registers

Alper Nebi Yasak alpernebiyasak at gmail.com
Tue Dec 7 21:31:35 CET 2021

On 03/12/2021 06:31, Simon Glass wrote:
> On Thu, 25 Nov 2021 at 10:40, Alper Nebi Yasak <alpernebiyasak at gmail.com> wrote:
>> The RK3399 SoC needs to know the voltage value provided by some
>> regulators, which is done by setting relevant register bits. Configure
>> these the way other RK3399 boards do, but with values set in coreboot.
> What do you mean by values set in coreboot? We don't need that to run
> here, do we?

I meant that I wasn't blindly copying from other boards which have the
same block (e.g. Pinebook Pro), but was using known-good values for Gru
boards that coreboot also uses [1].

I tested again and it looks like my Kevin works just as good without
this patch, so I'll drop it.


>> Signed-off-by: Alper Nebi Yasak <alpernebiyasak at gmail.com>
>> ---
>> There is a driver for this on Rockchip's repo, I managed to forward-port
>> it and get it working. If that's more desirable than doing it per-board
>> like this I can send that upstream (but I'd prefer to do it after this).
>>  board/google/gru/gru.c | 54 ++++++++++++++++++++++++++++++++++++++++++
>>  1 file changed, 54 insertions(+)

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