From: Krzysztof Kozlowski <krzk@kernel.org>
To: Daniel Golle <daniel@makrotopia.org>
Cc: Olivia Mackall <olivia@selenic.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Sean Wang <sean.wang@mediatek.com>,
linux-crypto@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v4 2/3] dt-bindings: rng: mtk-rng: add SMC-based TRNG variants
Date: Tue, 21 Apr 2026 09:17:04 +0200 [thread overview]
Message-ID: <20260421-axiomatic-sensible-corgi-e18edc@quoll> (raw)
In-Reply-To: <63aa9d62fef13e0991c17b16a836d8b5667aca96.1776702734.git.daniel@makrotopia.org>
On Mon, Apr 20, 2026 at 05:35:09PM +0100, Daniel Golle wrote:
> Add compatible strings for MediaTek SoCs where the hardware random number
> generator is accessed via a vendor-defined Secure Monitor Call (SMC)
> rather than direct MMIO register access:
>
> - mediatek,mt7981-rng
> - mediatek,mt7987-rng
> - mediatek,mt7988-rng
>
> These variants require no reg, clocks, or clock-names properties since
> the RNG hardware is managed by ARM Trusted Firmware-A.
>
> Relax the $nodename pattern to also allow 'rng' in addition to the
> existing 'rng@...' pattern.
>
> Add a second example showing the minimal SMC variant binding.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2026-04-21 7:17 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-20 16:34 [PATCH v4 1/3] dt-bindings: rng: mtk-rng: fix style problems in example Daniel Golle
2026-04-20 16:35 ` [PATCH v4 2/3] dt-bindings: rng: mtk-rng: add SMC-based TRNG variants Daniel Golle
2026-04-21 7:17 ` Krzysztof Kozlowski [this message]
2026-04-20 16:35 ` [PATCH v4 3/3] hwrng: mtk - add support for hw access via SMCC Daniel Golle
2026-04-21 7:16 ` [PATCH v4 1/3] dt-bindings: rng: mtk-rng: fix style problems in example Krzysztof Kozlowski
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