linux-kernel - Re: [PATCH v2 1/6] misc: dt-bindings: Add Qualcomm Fastrpc bindings

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Message-ID: <72b8d2b7-b4ef-448f-4e2c-e4c555c1f908@linaro.org>
Date:   Tue, 11 Dec 2018 10:50:33 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     robh+dt@...nel.org, gregkh@...uxfoundation.org, arnd@...db.de,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        bjorn.andersson@...aro.org, linux-arm-msm@...r.kernel.org,
        bkumar@....qualcomm.com, thierry.escande@...aro.org
Subject: Re: [PATCH v2 1/6] misc: dt-bindings: Add Qualcomm Fastrpc bindings



On 07/12/18 18:23, Mark Rutland wrote:
>> +	cb@1 {
>> +		compatible = "qcom,fastrpc-compute-cb";
>> +		reg = <1>;
>> +		iommus = <&lpass_q6_smmu 1>;
> These iommus should be associated with the device (i.e. the DSP itself).

Are you referring to implement this using "iommu-map" and 
"iommu-map-mask" bindings on remoteproc/rpmsg bus?

--srini