Re: [PATCH v5] arm64: dts: qcom: glymur: add coresight nodes
From: Konrad Dybcio
Date: Thu Jun 11 2026 - 05:29:12 EST
On 5/19/26 3:14 PM, Jie Gan wrote:
> Add CoreSight nodes to enable trace paths like TPDM->ETF/STM->ETF.
> These devices are part of the AOSS, CDSP, QDSS, PCIe5, TraceNoc and
> some small subsystems, such as GCC, IPCC, PMU and so on.
>
> Delete cti_wpss DT node on Mahua since this device will cause NoC issue
> on Mahua device.
Another good explanation is that it simply doesn't exist there!
> Signed-off-by: Jie Gan <jie.gan@xxxxxxxxxxxxxxxx>
> ---
[...]
> + tpdm-cdsp-llm {
Nodes without a unit address should be sorted alphabetically
> + compatible = "qcom,coresight-static-tpdm";
> + qcom,cmb-element-bits = <32>;
Do these other TPDMs not have the "DSB element" as the driver
calls it?
> +
> + out-ports {
> + port {
> + cdsp_llm_tpdm_out: endpoint {
> + remote-endpoint = <&cdsp_tpda_in1>;
> + };
> + };
> + };
> + };
> +
> + tpdm-cdsp-llm2 {
> + compatible = "qcom,coresight-static-tpdm";
> + qcom,cmb-element-bits = <32>;
> +
> + out-ports {
> + port {
> + cdsp_llm2_tpdm_out: endpoint {
> + remote-endpoint = <&cdsp_tpda_in2>;
> + };
> + };
> + };
> + };
> +
> + tpdm-cdsp-cmsr {
> + compatible = "qcom,coresight-static-tpdm";
> +
> + qcom,cmb-element-bits = <32>;
> + qcom,dsb-element-bits = <32>;
Some nodes have a \n between compatible and other properties, some don't
Please unify the style (fwiw I prefer the one with a \n)
> base-commit: e98d21c170b01ddef366f023bbfcf6b31509fa83
Please rebase, doesn't apply on next-20260610
Konrad