[PATCH v7 5/7] arm64: dts: qcom: sdm845: Add DT nodes for the TBUs

Konrad Dybcio konrad.dybcio at linaro.org
Wed Apr 10 05:08:37 PDT 2024



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 sdm845 platforms. The TBUs can be used debug the
> kernel and provide additional information when a context faults occur.
> 
> Describe the all registers, clocks, interconnects and power-domain
> resources that are needed for each of the TBUs.
> 
> Signed-off-by: Georgi Djakov <quic_c_gdjako at quicinc.com>
> ---

[...]

> +		mnoc_hf_0_tbu: tbu at 150cd000 {
> +			compatible = "qcom,sdm845-tbu";
> +			reg = <0x0 0x150cd000 0x0 0x1000>;
> +			interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ACTIVE_ONLY
> +					 &mmss_noc SLAVE_MNOC_HF_MEM_NOC QCOM_ICC_TAG_ACTIVE_ONLY>;
> +			qcom,stream-id-range = <&apps_smmu 0x800 0x400>;
> +		};
> +
> +		mnoc_hf_1_tbu: tbu at 150d1000 {
> +			compatible = "qcom,sdm845-tbu";
> +			reg = <0x0 0x150d1000 0x0 0x1000>;
> +			interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ACTIVE_ONLY
> +					 &mmss_noc SLAVE_MNOC_HF_MEM_NOC QCOM_ICC_TAG_ACTIVE_ONLY>;
> +			qcom,stream-id-range = <&apps_smmu 0xc00 0x400>;
> +		};
> +
> +		mnoc_sf_0_tbu: tbu at 150d5000 {
> +			compatible = "qcom,sdm845-tbu";
> +			reg = <0x0 0x150d5000 0x0 0x1000>;
> +			interconnects = <&mmss_noc MASTER_CAMNOC_SF QCOM_ICC_TAG_ACTIVE_ONLY
> +					 &mmss_noc SLAVE_MNOC_SF_MEM_NOC QCOM_ICC_TAG_ACTIVE_ONLY>;
> +			qcom,stream-id-range = <&apps_smmu 0x1000 0x400>;
> +		};

These three are missing their GDSCs, the rest looks in line with msm-4.4

Konrad



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