linux-kernel - Re: [PATCH v2 7/8] arm64: dts: qcom: qcs404: Define APPS IOMMU

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Date:   Mon, 13 May 2019 10:24:02 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <agross@...nel.org>,
        David Brown <david.brown@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 7/8] arm64: dts: qcom: qcs404: Define APPS IOMMU

On 09-05-19, 21:34, Bjorn Andersson wrote:
> The APPS IOMMU provides contexts for FastRPC, MDP and WLAN, among other
> things.  Define these. We use the qcom_iommu binding because the
        ^^^
Double spaces crept in..

> firmware restrictions in incompatible with the arm-smmu.
> 
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/qcs404.dtsi | 85 ++++++++++++++++++++++++++++
>  1 file changed, 85 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> index b213f6acad76..fcde4f0334c2 100644
> --- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
> @@ -378,6 +378,91 @@
>  			reg = <0x01937000 0x25000>;
>  		};
>  
> +		apps_iommu: iommu@...0000 {
> +			compatible = "qcom,qcs404-iommu", "qcom,msm-iommu-v1";

Did we define qcom,qcs404-iommu in bindings, It does not seem to be
there in this patch, next or integration one

-- 
~Vinod