Re: [RFC PATCH 0/4] bus: ti-sysc: Add generic enable/disable & PRUSS

[Roger Quadros]

On 02/04/2019 16:37, Roger Quadros wrote:
> Hi Tony,
> 
> Non legacy modules will rely on generic enable/disable functions.
> 
> I had to disable usb_otg_ss3 and 4 on am57xx idk to be able to boot.
> It is explicitly stated in TRM to not use USB3 and 4 on AM57xx, and
> I haven't seen any dra7 based board using them so let's keep it disabled.
> 
> Handle the PRU-ICSS type as it needs some special handling especially
> during suspend/resume.

I forgot to mention that this must be applied on top of
https://lkml.org/lkml/2019/3/25/1180

> 
> cheers,
> -roger
> 
> Roger Quadros (4):
>   ARM: dts: dra7: Keep usb_otg_ss3 and usb_otg_ss4 disabled
>   bus: ti-sysc: Add generic enable/disable functions
>   bus: ti-sysc: Add support for PRU-ICSS type
>   bus: ti-sysc: Ensure PRU-ICSS doesn't break suspend/resume
> 
>  .../devicetree/bindings/bus/ti-sysc.txt       |   1 +
>  arch/arm/boot/dts/dra7-l4.dtsi                |   2 +
>  drivers/bus/ti-sysc.c                         | 171 ++++++++++++++++++
>  include/linux/platform_data/ti-sysc.h         |   7 +-
>  4 files changed, 180 insertions(+), 1 deletion(-)
> 

-- 
cheers,
-roger

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