From: "Rob Herring (Arm)" <robh@kernel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Cc: Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
Joerg Roedel <joro@8bytes.org>,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: arm-smmu: Constrain clocks for newer Qualcomm variants
Date: Thu, 7 May 2026 14:26:50 -0500 [thread overview]
Message-ID: <177818201019.2428078.9991648853065913089.robh@kernel.org> (raw)
In-Reply-To: <20260505071453.34000-2-krzysztof.kozlowski@oss.qualcomm.com>
On Tue, 05 May 2026 09:14:54 +0200, Krzysztof Kozlowski wrote:
> Many of SMMU on Qualcomm SoCs come in two flavors using same front
> compatible but a bit different fallback:
>
> 1. For application processor, usually without any controllable
> clocks,
>
> 2. For the Adreno GPU, with some controllable clock(s) and using
> additionally qcom,adreno-smmu fallback compatible.
>
> Add missing constraints for Glymur SMMU on Adreno GPU and several other
> Qualcomm SMMUs for application processors, to restrict the clocks
> property to a specific value.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
> ---
> .../devicetree/bindings/iommu/arm,smmu.yaml | 38 ++++++++++++++++++-
> 1 file changed, 37 insertions(+), 1 deletion(-)
>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
prev parent reply other threads:[~2026-05-07 19:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 7:14 [PATCH] dt-bindings: arm-smmu: Constrain clocks for newer Qualcomm variants Krzysztof Kozlowski
2026-05-07 19:26 ` Rob Herring (Arm) [this message]
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