From: Rob Herring <robh@kernel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Cc: agross@kernel.org, andersson@kernel.org,
konrad.dybcio@linaro.org, dmitry.baryshkov@linaro.org,
joro@8bytes.org, will@kernel.org, robin.murphy@arm.com,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
robdclark@gmail.com, linux-arm-msm@vger.kernel.org,
iommu@lists.linux.dev, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kernel@collabora.com
Subject: Re: [PATCH v4 1/6] dt-bindings: iommu: qcom,iommu: Add qcom,ctx-num property
Date: Wed, 21 Jun 2023 19:50:17 -0600 [thread overview]
Message-ID: <20230622015017.GA37013-robh@kernel.org> (raw)
In-Reply-To: <20230620095127.96600-2-angelogioacchino.delregno@collabora.com>
On Tue, Jun 20, 2023 at 11:51:22AM +0200, AngeloGioacchino Del Regno wrote:
> Add a new "qcom,ctx-num" property to force an ASID number on IOMMU
> contexts where required.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
> ---
> Documentation/devicetree/bindings/iommu/qcom,iommu.yaml | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> index d9fabdf930d9..0446ccc4116e 100644
> --- a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
> @@ -71,6 +71,11 @@ patternProperties:
> reg:
> maxItems: 1
>
> + qcom,ctx-num:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description:
> + The ASID number associated to the context bank.
If the value is ASID, then qcom,ctx-asid would be more descriptive.
> +
> required:
> - compatible
> - interrupts
> --
> 2.40.1
>
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next prev parent reply other threads:[~2023-06-22 1:50 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-20 9:51 [PATCH v4 0/6] Add support for Qualcomm's legacy IOMMU v2 AngeloGioacchino Del Regno
2023-06-20 9:51 ` [PATCH v4 1/6] dt-bindings: iommu: qcom,iommu: Add qcom,ctx-num property AngeloGioacchino Del Regno
2023-06-22 1:50 ` Rob Herring [this message]
2023-06-20 9:51 ` [PATCH v4 2/6] iommu/qcom: Use the asid read from device-tree if specified AngeloGioacchino Del Regno
2023-06-20 9:51 ` [PATCH v4 3/6] iommu/qcom: Disable and reset context bank before programming AngeloGioacchino Del Regno
2023-06-20 9:51 ` [PATCH v4 4/6] iommu/qcom: Index contexts by asid number to allow asid 0 AngeloGioacchino Del Regno
2023-06-20 9:51 ` [PATCH v4 5/6] dt-bindings: iommu: qcom,iommu: Add QSMMUv2 and MSM8976 compatibles AngeloGioacchino Del Regno
2023-06-22 1:51 ` Rob Herring
2023-06-20 9:51 ` [PATCH v4 6/6] iommu/qcom: Add support for QSMMUv2 and QSMMU-500 secured contexts AngeloGioacchino Del Regno
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