[PATCH 0/2] soc: rockchip: add driver for rockchip io domains
Sascha Hauer
sha at pengutronix.de
Mon Sep 19 02:01:35 PDT 2022
On Mon, Sep 05, 2022 at 04:52:12PM +0200, Michael Riesch wrote:
> Hi all,
>
> The IO domains on Rockchip SoCs need to be configured to the correct
> bank voltage. In Linux this is achieved by means of a platform driver
> that reads the voltage value of the supplies and configures the bits
> in the general register file (GRF) accordingly.
>
> This series ports this driver to barebox to provide support for the
> Rockchip RK356x SoCs. Please note that I could only test the changes
> on RK3568 boards, so I left out the parts for the other SoCs supported
> by the Linux driver. Also, it should be noted that the Linux driver
> uses notifiers to react to voltage changes. This is not supported by
> this barebox driver.
>
> WARNING: Use those patches with care as they have the potential to
> fry up your board. That said, testers are very welcome ;-)
You are frightening me.
I would apply this series, but given you warn about its usage I'm not
sure what I should do with it. I could give it a test on the RK3568-EVB
once it returned back in our remote lab, but I neither have a Pine64 nor
a BananaPi R2 Pro.
Sascha
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