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diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt new file mode 100644 index 0000000000..573a88b606 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt @@ -0,0 +1,102 @@ +Qualcomm Hexagon Peripheral Image Loader + +This document defines the binding for a component that loads and boots firmware +on the Qualcomm Hexagon core. + +- compatible: + Usage: required + Value type: <string> + Definition: must be one of: + "qcom,ipq8074-wcss-pil" + "qcom,qcs404-wcss-pil" + +- reg: + Usage: required + Value type: <prop-encoded-array> + Definition: must specify the base address and size of the qdsp6 and + rmb register blocks + +- reg-names: + Usage: required + Value type: <stringlist> + Definition: must be "q6dsp" and "rmb" + +- interrupts-extended: + Usage: required + Value type: <prop-encoded-array> + Definition: reference to the interrupts that match interrupt-names + +- interrupt-names: + Usage: required + Value type: <stringlist> + Definition: must be "wdog", "fatal", "ready", "handover", "stop-ack" + +- clocks: + Usage: required + Value type: <phandle> + Definition: reference to the clocks that match clock-names + +- clock-names: + Usage: required + Value type: <stringlist> + Definition: The clocks needed depend on the compatible string: + qcom,ipq8074-wcss-pil: + no clock names required + qcom,qcs404-wcss-pil: + must be "xo", "gcc_abhs_cbcr", "gcc_abhs_cbcr", + "gcc_axim_cbcr", "lcc_ahbfabric_cbc", "tcsr_lcc_cbc", + "lcc_abhs_cbc", "lcc_tcm_slave_cbc", "lcc_abhm_cbc", + "lcc_axim_cbc", "lcc_bcr_sleep" + +- resets: + Usage: required + Value type: <phandle> + Definition: reference to the list of 3 reset-controllers for the + wcss sub-system + +- reset-names: + Usage: required + Value type: <stringlist> + Definition: must be "wcss_aon_reset", "wcss_reset", "wcss_q6_reset" + for the wcss sub-system + +- memory-region: + Usage: required + Value type: <phandle> + Definition: reference to wcss reserved-memory region. + +For the compatible string below the following supplies are required: + "qcom,qcs404-wcss-pil" +- cx-supply: + Usage: required + Value type: <phandle> + Definition: reference to the regulators to be held on behalf of the + booting of the Hexagon core + +- qcom,smem-states: + Usage: required + Value type: <phandle> + Definition: reference to the smem state for requesting the Hexagon to + shut down + +- qcom,smem-state-names: + Usage: required + Value type: <stringlist> + Definition: must be "stop" + +- qcom,halt-regs: + Usage: required + Value type: <prop-encoded-array> + Definition: a phandle reference to a syscon representing TCSR followed + by the three offsets within syscon for q6, wcss and nc + halt registers. + +- memory-region: + Usage: required + Value type: <phandle> + Definition: reference to the reserved-memory for the region + +The Hexagon node may also have an subnode named either "smd-edge" or +"glink-edge" that describes the communication edge, channels and devices +related to the Hexagon. See ../soc/qcom/qcom,smd.yaml and +../soc/qcom/qcom,glink.txt for details on how to describe these. |