[PATCH 3/3] imx: power-domain: Get rid of SMCCC dependency

[Marek Vasut]

On 4/4/22 16:15, Adam Ford wrote:
> On Mon, Apr 4, 2022 at 8:01 AM Marek Vasut <marex at denx.de> wrote:
>>
>> On 4/4/22 14:51, Adam Ford wrote:
>>> On Wed, Mar 30, 2022 at 10:04 PM Marek Vasut <marex at denx.de> wrote:
>>>>
>>>> This driver is the only SMCCC dependency in iMX8M U-Boot port. Rework
>>>> the driver based on Linux GPCv2 driver to directly control the GPCv2
>>>> block instead of using SMCCC calls. This way, U-Boot can operate the
>>>> i.MX8M power domains without depending on anything else.
>>>>
>>>> This is losely based on Linux GPCv2 driver. The GPU, VPU, MIPI power
>>>> domains are not supported to save space, since they are not useful in
>>>> the bootloader. The only domains kept are ones for HSIO, PCIe, USB.
>>>
>>> I thought there were people who were using video in U-Boot, but maybe
>>> I am wrong.
>>
>> There are no video drivers for MX8M in U-Boot, it's all USB and maybe
>> sometimes in the future PCIe.
> 
> Oh good.
> 
> I'll try to test it on an imx8mq when I get some time.

The entire stack of patches is at:

https://source.denx.de/u-boot/custodians/u-boot-usb/-/commits/imx-8mp