linux-kernel - Re: [RFC PATCH 0/9] reset: amlogic: move reset drivers out of CCF

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Message-ID: <f7b13cc0-6155-4b0f-9f63-c35d73c3032f@salutedevices.com>
Date: Mon, 24 Jun 2024 16:48:08 +0300
From: Jan Dakinevich <jan.dakinevich@...utedevices.com>
To: Jerome Brunet <jbrunet@...libre.com>, Philipp Zabel
	<p.zabel@...gutronix.de>, Stephen Boyd <sboyd@...nel.org>, Neil Armstrong
	<neil.armstrong@...aro.org>
CC: <linux-kernel@...r.kernel.org>, <linux-amlogic@...ts.infradead.org>,
	<linux-clk@...r.kernel.org>
Subject: Re: [RFC PATCH 0/9] reset: amlogic: move reset drivers out of CCF

Jerome,

Do you have any updates? I'm looking forward to these changes so I can
continue my work on a1 audio clock controller driver.

On 5/16/24 18:08, Jerome Brunet wrote:
> This RFC follows the discussion about having reset driver in the clock tree
> [1]. Ideally those should reside in the reset part of tree.
> 
> Also the code of the amlogic reset driver is very similar between the 2 trees
> and could use the same driver code.
> 
> This RFC moves the reset driver of audio clock controller of the g12 and
> sm1 SoC family to the reset tree, using the auxiliary bus.
> 
> The infrastructure put in place is meant to be generic enough so we may
> eventually also move the reset drivers in the meson8b and aoclk clock
> controllers.
> 
> [1] https://lore.kernel.org/linux-clk/e3a85852b911fdf16dd9ae158f42b3ef.sboyd@kernel.org
> 
> Jerome Brunet (9):
>   reset: amlogic: convert driver to regmap
>   reset: amlogic: add driver parameters
>   reset: amlogic: split the device and platform probe
>   reset: amlogic: use reset number instead of register count
>   reset: amlogic: add reset status support
>   reset: amlogic: add toggle reset support
>   reset: amlogic: add auxiliary reset driver support
>   clk: meson: add auxiliary reset helper driver
>   clk: amlogic: axg-audio: use the auxiliary reset driver
> 
>  drivers/clk/meson/Kconfig                     |   6 +
>  drivers/clk/meson/Makefile                    |   1 +
>  drivers/clk/meson/axg-audio.c                 | 108 +--------
>  drivers/clk/meson/meson-clk-rst-aux.c         |  84 +++++++
>  drivers/clk/meson/meson-clk-rst-aux.h         |  14 ++
>  drivers/reset/Kconfig                         |   1 +
>  drivers/reset/reset-meson.c                   | 210 ++++++++++++++----
>  include/soc/amlogic/meson8b-auxiliary-reset.h |  17 ++
>  8 files changed, 293 insertions(+), 148 deletions(-)
>  create mode 100644 drivers/clk/meson/meson-clk-rst-aux.c
>  create mode 100644 drivers/clk/meson/meson-clk-rst-aux.h
>  create mode 100644 include/soc/amlogic/meson8b-auxiliary-reset.h
> 

-- 
Best regards
Jan Dakinevich