1 Qualcomm Hexagon Peripheral Image Loader
3 This document defines the binding for a component that loads and boots firmware
4 on the Qualcomm Hexagon core.
9 Definition: must be one of:
10 "qcom,ipq8074-wcss-pil"
11 "qcom,qcs404-wcss-pil"
15 Value type: <prop-encoded-array>
16 Definition: must specify the base address and size of the qdsp6 and
21 Value type: <stringlist>
22 Definition: must be "q6dsp" and "rmb"
24 - interrupts-extended:
26 Value type: <prop-encoded-array>
27 Definition: reference to the interrupts that match interrupt-names
31 Value type: <stringlist>
32 Definition: must be "wdog", "fatal", "ready", "handover", "stop-ack"
37 Definition: reference to the clocks that match clock-names
41 Value type: <stringlist>
42 Definition: The clocks needed depend on the compatible string:
43 qcom,ipq8074-wcss-pil:
44 no clock names required
46 must be "xo", "gcc_abhs_cbcr", "gcc_abhs_cbcr",
47 "gcc_axim_cbcr", "lcc_ahbfabric_cbc", "tcsr_lcc_cbc",
48 "lcc_abhs_cbc", "lcc_tcm_slave_cbc", "lcc_abhm_cbc",
49 "lcc_axim_cbc", "lcc_bcr_sleep"
54 Definition: reference to the list of 3 reset-controllers for the
59 Value type: <stringlist>
60 Definition: must be "wcss_aon_reset", "wcss_reset", "wcss_q6_reset"
61 for the wcss sub-system
66 Definition: reference to wcss reserved-memory region.
68 For the compatible string below the following supplies are required:
69 "qcom,qcs404-wcss-pil"
73 Definition: reference to the regulators to be held on behalf of the
74 booting of the Hexagon core
79 Definition: reference to the smem state for requesting the Hexagon to
82 - qcom,smem-state-names:
84 Value type: <stringlist>
85 Definition: must be "stop"
89 Value type: <prop-encoded-array>
90 Definition: a phandle reference to a syscon representing TCSR followed
91 by the three offsets within syscon for q6, wcss and nc
97 Definition: reference to the reserved-memory for the region
99 The Hexagon node may also have an subnode named either "smd-edge" or
100 "glink-edge" that describes the communication edge, channels and devices
101 related to the Hexagon. See ../soc/qcom/qcom,smd.yaml and
102 ../soc/qcom/qcom,glink.txt for details on how to describe these.