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Message-ID: <86d349ee-9db3-4da3-93ff-6891c1c2dafa@linaro.org>
Date: Wed, 10 Apr 2024 14:13:47 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Georgi Djakov <quic_c_gdjako@...cinc.com>, will@...nel.org,
robin.murphy@....com, joro@...tes.org, iommu@...ts.linux.dev
Cc: robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org, devicetree@...r.kernel.org, andersson@...nel.org,
robdclark@...il.com, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
quic_cgoldswo@...cinc.com, quic_sukadev@...cinc.com, quic_pdaly@...cinc.com,
quic_sudaraja@...cinc.com, djakov@...nel.org
Subject: Re: [PATCH v7 7/7] arm64: dts: qcom: sc7280: Add DT nodes for the
TBUs
On 3/29/24 22:06, Georgi Djakov wrote:
> Add the device-tree nodes for the TBUs (translation buffer units) that
> are present on the sc7280 platforms. The TBUs can be used debug the
> kernel and provide additional information when a context faults occur.
>
> Describe all the registers, clocks, interconnects and power-domain
> resources that are needed for each of the TBUs.
>
> Signed-off-by: Georgi Djakov <quic_c_gdjako@...cinc.com>
> ---
[...]
> + compute_dsp_0_tbu: tbu@...ed000 {
The labels are swapped between this node and the one below (the rest is ok)
> + compatible = "qcom,sc7280-tbu";
> + reg = <0x0 0x151ed000 0x0 0x1000>;
> + interconnects = <&nsp_noc MASTER_CDSP_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>;
> + power-domains = <&gcc HLOS1_VOTE_TURING_MMU_TBU1_GDSC>;
> + qcom,stream-id-range = <&apps_smmu 0x1000 0x400>;
> + };
> +
> + compute_dsp_1_tbu: tbu@...f1000 {
> + compatible = "qcom,sc7280-tbu";
> + reg = <0x0 0x151f1000 0x0 0x1000>;
> + interconnects = <&nsp_noc MASTER_CDSP_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>;
> + power-domains = <&gcc HLOS1_VOTE_TURING_MMU_TBU0_GDSC>;
> + qcom,stream-id-range = <&apps_smmu 0x1400 0x400>;
> + };
Konrad
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