135 lines
3.5 KiB
Plaintext
135 lines
3.5 KiB
Plaintext
Qualcomm ADSP 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 ADSP 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,msm8974-adsp-pil"
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"qcom,msm8996-adsp-pil"
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"qcom,msm8996-slpi-pil"
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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: must list the watchdog, fatal IRQs ready, handover and
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stop-ack IRQs
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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: <prop-encoded-array>
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Definition: reference to the xo clock and optionally aggre2 clock to be
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held on behalf of the booting Hexagon core
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- clock-names:
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Usage: required
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Value type: <stringlist>
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Definition: must be "xo" and optionally include "aggre2"
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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 regulator to be held on behalf of the
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booting Hexagon core
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- px-supply:
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Usage: required
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Value type: <phandle>
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Definition: reference to the px regulator to be held on behalf of the
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booting Hexagon core
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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 ADSP
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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 ADSP 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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= SUBNODES
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The adsp node may have an subnode named either "smd-edge" or "glink-edge" that
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describes the communication edge, channels and devices related to the ADSP.
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See ../soc/qcom/qcom,smd.txt and ../soc/qcom/qcom,glink.txt for details on how
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to describe these.
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= EXAMPLE
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The following example describes the resources needed to boot control the
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ADSP, as it is found on MSM8974 boards.
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adsp {
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compatible = "qcom,msm8974-adsp-pil";
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interrupts-extended = <&intc 0 162 IRQ_TYPE_EDGE_RISING>,
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<&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
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<&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
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<&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
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<&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "wdog",
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"fatal",
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"ready",
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"handover",
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"stop-ack";
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clocks = <&rpmcc RPM_CXO_CLK>;
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clock-names = "xo";
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cx-supply = <&pm8841_s2>;
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memory-region = <&adsp_region>;
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qcom,smem-states = <&adsp_smp2p_out 0>;
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qcom,smem-state-names = "stop";
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smd-edge {
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interrupts = <0 156 IRQ_TYPE_EDGE_RISING>;
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qcom,ipc = <&apcs 8 8>;
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qcom,smd-edge = <1>;
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};
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};
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The following example describes the resources needed to boot control the
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SLPI, as it is found on MSM8996 boards.
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slpi {
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compatible = "qcom,msm8996-slpi-pil";
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interrupts-extended = <&intc 0 390 IRQ_TYPE_EDGE_RISING>,
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<&slpi_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
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<&slpi_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
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<&slpi_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
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<&slpi_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "wdog",
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"fatal",
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"ready",
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"handover",
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"stop-ack";
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clocks = <&rpmcc MSM8996_RPM_SMD_XO_CLK_SRC>,
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<&rpmcc MSM8996_RPM_SMD_AGGR2_NOC_CLK>;
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clock-names = "xo", "aggre2";
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cx-supply = <&pm8994_l26>;
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px-supply = <&pm8994_lvs2>;
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memory-region = <&slpi_region>;
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qcom,smem-states = <&slpi_smp2p_out 0>;
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qcom,smem-state-names = "stop";
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};
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