linux-kernel - Re: [PATCH 1/8] dt-bindings: soc: tenstorrent: Add tenstorrent,atlantis-syscon

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Message-ID: <20260116-sloppy-daffodil-ferret-b5cebb@quoll>
Date: Fri, 16 Jan 2026 10:04:29 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Anirudh Srinivasan <asrinivasan@....tenstorrent.com>
Cc: Drew Fustini <dfustini@....tenstorrent.com>, 
	Joel Stanley <jms@....tenstorrent.com>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, 
	Philipp Zabel <p.zabel@...gutronix.de>, linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, joel@....id.au, fustini@...nel.org, 
	mpe@...nel.org, mpe@....tenstorrent.com, npiggin@....tenstorrent.com, 
	agross@...nel.org, agross@....tenstorrent.com
Subject: Re: [PATCH 1/8] dt-bindings: soc: tenstorrent: Add
 tenstorrent,atlantis-syscon

On Thu, Jan 15, 2026 at 05:42:00PM -0600, Anirudh Srinivasan wrote:
> Document bindings for Tenstorrent Atlantis syscon that manages clocks
> and resets. This syscon block is instantiated 4 times in the SoC.
> This commit documents the clocks from the RCPU syscon block.
> 
> Signed-off-by: Anirudh Srinivasan <asrinivasan@....tenstorrent.com>
> ---
>  .../tenstorrent/tenstorrent,atlantis-syscon.yaml   | 58 +++++++++++++++++++
>  MAINTAINERS                                        |  2 +
>  .../clock/tenstorrent,atlantis-syscon.h            | 67 ++++++++++++++++++++++
>  3 files changed, 127 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml b/Documentation/devicetree/bindings/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml
> new file mode 100644
> index 000000000000..3915d78dfeda
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/tenstorrent/tenstorrent,atlantis-syscon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Tenstorrent Atlantis SoC System Controller
> +
> +maintainers:
> +  - Anirudh Srinivasan <asrinivasan@....tenstorrent.com>
> +
> +description:
> +  System controller found in Tenstorrent Atlantis SoC, which is capable of
> +  clock and reset functions.
> +
> +  RCPU syscon controls clocks and resets for low speed IO interfaces on chip

So not really a system controller, but maybe a clock controller - place
it there. Otherwise HERE you explain the rest of the functions of this.

You should post complete bindings, complete description of your
hardware.

Best regards,
Krzysztof