Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1734076

Re: [PATCH v2] ARC: reset: introduce AXS10x reset driver

From Philipp Zabel <p.zabel@pengutronix.de>
Newsgroups linux.kernel
Subject Re: [PATCH v2] ARC: reset: introduce AXS10x reset driver
Date 2017-09-18 14:10 +0200
Message-ID <ur32b-67S-49@gated-at.bofh.it> (permalink)
References <upDjr-6by-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Thu, 2017-09-14 at 17:28 +0300, Eugeniy Paltsev wrote:
> ARC AXS10x boards support custom IP-block which allows to control
> reset signals of selected peripherals. For example DW GMAC, etc...
> This block is controlled via memory-mapped register (AKA CREG) which
> represents up-to 32 reset lines. This regiter is self-clearing so we
> don't need to deassert line after reset.
> 
> As of today only the following lines are used:
>  - DW GMAC - line 5
> 
> > Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> ---
> Changes v1 -> v2:
>   * The creg reset register is self-clearing so we don't need to clear it
>     manually. Fixed it.
>   * Use reset callback instead of assert/deassert pair.
>   * Rename reset node in documentation to "reset-controller" for consistency
>     with the other bindings.
>   * Use devm_reset_controller_register instead of reset_controller_register
> 
> NOTE:
>     This driver couldn't be replaced by reset-simple driver as we mustn't
>     read from reset register or clear it.

Thanks, I've applied this patch to the reset/next branch.

regards
Philipp

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH v2] ARC: reset: introduce AXS10x reset driver Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> - 2017-09-14 16:30 +0200
  Re: [PATCH v2] ARC: reset: introduce AXS10x reset driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-09-18 14:10 +0200
    Re: [PATCH v2] ARC: reset: introduce AXS10x reset driver Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2017-09-18 18:20 +0200
      Re: [PATCH v2] ARC: reset: introduce AXS10x reset driver Philipp Zabel <p.zabel@pengutronix.de> - 2017-09-18 19:00 +0200

csiph-web