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