linux-kernel - Re: [PATCH 2/4] [PATCH 2/4] reset: simple: Add support for Armada8K reset controller

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Message-ID: <20250214-nimble-loutish-pronghorn-d0e3de@krzk-bin>
Date: Fri, 14 Feb 2025 09:48:24 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Wilson Ding <dingwei@...vell.com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, andrew@...n.ch, gregory.clement@...tlin.com, 
	sebastian.hesselbarth@...il.com, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	p.zabel@...gutronix.de, salee@...vell.com, gakula@...vell.com
Subject: Re: [PATCH 2/4] [PATCH 2/4] reset: simple: Add support for Armada8K
 reset controller

On Thu, Feb 13, 2025 at 10:58:31PM -0800, Wilson Ding wrote:
> Armada8k has one register for unit soft-reset configuration within the
> system controller register area.
> 
> Signed-off-by: Wilson Ding <dingwei@...vell.com>
> ---
>  drivers/reset/reset-simple.c | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c
> index e4e777d40a79..a792b913e1b1 100644
> --- a/drivers/reset/reset-simple.c
> +++ b/drivers/reset/reset-simple.c
> @@ -183,6 +183,13 @@ static const struct reset_simple_devdata reset_simple_active_low = {
>  	.status_active_low = true,
>  };
>  
> +static const struct reset_simple_devdata reset_simple_armada8k = {
> +	.nr_resets = 32,
> +	.active_low = true,
> +	.status_active_low = true,
> +	.syscon_dev = true,
> +};
> +
>  static const struct of_device_id reset_simple_dt_ids[] = {
>  	{ .compatible = "altr,stratix10-rst-mgr",
>  		.data = &reset_simple_socfpga },
> @@ -203,6 +210,8 @@ static const struct of_device_id reset_simple_dt_ids[] = {
>  		.data = &reset_simple_active_low },
>  	{ .compatible = "sophgo,sg2042-reset",
>  		.data = &reset_simple_active_low },
> +	{ .compatible = "marvell,armada8k-reset",

Undocumented compatible.

Best regards,
Krzysztof