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- 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.
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