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-Qualcomm Technology Inc. Hexagon v56 Peripheral Image Loader
-
-This document defines the binding for a component that loads and boots firmware
-on the Qualcomm Technology Inc. Hexagon v56 core.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be one of:
- "qcom,qcs404-cdsp-pil",
- "qcom,sdm845-adsp-pil"
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: must specify the base address and size of the qdsp6ss register
-
-- interrupts-extended:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: must list the watchdog, fatal IRQs ready, handover and
- stop-ack IRQs
-
-- interrupt-names:
- Usage: required
- Value type: <stringlist>
- Definition: must be "wdog", "fatal", "ready", "handover", "stop-ack"
-
-- clocks:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: List of phandles and clock specifier pairs for the Hexagon,
- per clock-names below.
-
-- clock-names:
- Usage: required for SDM845 ADSP
- Value type: <stringlist>
- Definition: List of clock input name strings sorted in the same
- order as the clocks property. Definition must have
- "xo", "sway_cbcr", "lpass_ahbs_aon_cbcr",
- "lpass_ahbm_aon_cbcr", "qdsp6ss_xo", "qdsp6ss_sleep"
- and "qdsp6ss_core".
-
-- clock-names:
- Usage: required for QCS404 CDSP
- Value type: <stringlist>
- Definition: List of clock input name strings sorted in the same
- order as the clocks property. Definition must have
- "xo", "sway", "tbu", "bimc", "ahb_aon", "q6ss_slave",
- "q6ss_master", "q6_axim".
-
-- power-domains:
- Usage: required
- Value type: <phandle>
- Definition: reference to cx power domain node.
-
-- resets:
- Usage: required
- Value type: <phandle>
- Definition: reference to the list of resets for the Hexagon.
-
-- reset-names:
- Usage: required for SDM845 ADSP
- Value type: <stringlist>
- Definition: must be "pdc_sync" and "cc_lpass"
-
-- reset-names:
- Usage: required for QCS404 CDSP
- Value type: <stringlist>
- Definition: must be "restart"
-
-- qcom,halt-regs:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: a phandle reference to a syscon representing TCSR followed
- by the offset within syscon for Hexagon halt register.
-
-- memory-region:
- Usage: required
- Value type: <phandle>
- Definition: reference to the reserved-memory for the firmware
-
-- 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"
-
-
-= SUBNODES
-The adsp node may have an subnode named "glink-edge" that describes the
-communication edge, channels and devices related to the Hexagon.
-See ../soc/qcom/qcom,glink.txt for details on how to describe these.
-
-= EXAMPLE
-The following example describes the resources needed to boot control the
-ADSP, as it is found on SDM845 boards.
-
- remoteproc@17300000 {
- compatible = "qcom,sdm845-adsp-pil";
- reg = <0x17300000 0x40c>;
-
- interrupts-extended = <&intc GIC_SPI 162 IRQ_TYPE_EDGE_RISING>,
- <&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
- <&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
- <&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
- <&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
- interrupt-names = "wdog", "fatal", "ready",
- "handover", "stop-ack";
-
- clocks = <&rpmhcc RPMH_CXO_CLK>,
- <&gcc GCC_LPASS_SWAY_CLK>,
- <&lpasscc LPASS_Q6SS_AHBS_AON_CLK>,
- <&lpasscc LPASS_Q6SS_AHBM_AON_CLK>,
- <&lpasscc LPASS_QDSP6SS_XO_CLK>,
- <&lpasscc LPASS_QDSP6SS_SLEEP_CLK>,
- <&lpasscc LPASS_QDSP6SS_CORE_CLK>;
- clock-names = "xo", "sway_cbcr",
- "lpass_ahbs_aon_cbcr",
- "lpass_ahbm_aon_cbcr", "qdsp6ss_xo",
- "qdsp6ss_sleep", "qdsp6ss_core";
-
- power-domains = <&rpmhpd SDM845_CX>;
-
- resets = <&pdc_reset PDC_AUDIO_SYNC_RESET>,
- <&aoss_reset AOSS_CC_LPASS_RESTART>;
- reset-names = "pdc_sync", "cc_lpass";
-
- qcom,halt-regs = <&tcsr_mutex_regs 0x22000>;
-
- memory-region = <&pil_adsp_mem>;
-
- qcom,smem-states = <&adsp_smp2p_out 0>;
- qcom,smem-state-names = "stop";
- };