Documentation/devicetree/bindings/remoteproc/qcom,adsp.yaml

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/remoteproc/qcom,adsp.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm ADSP Peripheral Image Loader

maintainers:
  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

description:
  This document defines the binding for a component that loads and boots
  firmware on the Qualcomm ADSP Hexagon core.

properties:
  compatible:
    enum:
      - qcom,msm8226-adsp-pil
      - qcom,msm8953-adsp-pil
      - qcom,msm8974-adsp-pil
      - qcom,msm8996-adsp-pil
      - qcom,msm8996-slpi-pil
      - qcom,msm8998-adsp-pas
      - qcom,msm8998-slpi-pas
      - qcom,sdm660-adsp-pas
      - qcom,sdm845-adsp-pas
      - qcom,sdm845-cdsp-pas
      - qcom,sdm845-slpi-pas

  reg:
    maxItems: 1

  cx-supply:
    description: Phandle to the CX regulator

  px-supply:
    description: Phandle to the PX regulator

  qcom,qmp:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: Reference to the AOSS side-channel message RAM.

  memory-region:
    maxItems: 1
    description: Reference to the reserved-memory for the Hexagon core

  firmware-name:
    maxItems: 1
    description: Firmware name for the Hexagon core

required:
  - compatible
  - memory-region

unevaluatedProperties: false

allOf:
  - $ref: /schemas/remoteproc/qcom,pas-common.yaml#
  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8226-adsp-pil
              - qcom,msm8953-adsp-pil
              - qcom,msm8974-adsp-pil
              - qcom,msm8996-adsp-pil
              - qcom,msm8996-slpi-pil
              - qcom,msm8998-adsp-pas
              - qcom,msm8998-slpi-pas
              - qcom,sdm845-adsp-pas
              - qcom,sdm845-cdsp-pas
              - qcom,sdm845-slpi-pas
    then:
      properties:
        clocks:
          items:
            - description: XO clock
        clock-names:
          items:
            - const: xo

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8226-adsp-pil
              - qcom,msm8953-adsp-pil
              - qcom,msm8974-adsp-pil
              - qcom,msm8996-adsp-pil
              - qcom,msm8996-slpi-pil
              - qcom,msm8998-adsp-pas
              - qcom,msm8998-slpi-pas
              - qcom,sdm845-adsp-pas
              - qcom,sdm845-cdsp-pas
              - qcom,sdm845-slpi-pas
    then:
      properties:
        interrupts:
          maxItems: 5
        interrupt-names:
          maxItems: 5

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8974-adsp-pil
    then:
      required:
        - cx-supply

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8226-adsp-pil
              - qcom,msm8953-adsp-pil
              - qcom,msm8996-adsp-pil
              - qcom,msm8998-adsp-pas
    then:
      properties:
        power-domains:
          items:
            - description: CX power domain
        power-domain-names:
          items:
            - const: cx

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8996-slpi-pil
              - qcom,msm8998-slpi-pas
    then:
      properties:
        power-domains:
          items:
            - description: SSC-CX power domain
        power-domain-names:
          items:
            - const: ssc_cx
      required:
        - px-supply

  - if:
      properties:
        compatible:
          enum:
            - qcom,sdm845-slpi-pas
    then:
      properties:
        power-domains:
          items:
            - description: LCX power domain
            - description: LMX power domain
        power-domain-names:
          items:
            - const: lcx
            - const: lmx

  - if:
      properties:
        compatible:
          contains:
            enum:
              - qcom,msm8226-adsp-pil
              - qcom,msm8953-adsp-pil
              - qcom,msm8974-adsp-pil
              - qcom,msm8996-adsp-pil
              - qcom,msm8996-slpi-pil
              - qcom,msm8998-adsp-pas
              - qcom,msm8998-slpi-pas
              - qcom,sdm660-adsp-pas
    then:
      properties:
        qcom,qmp: false

examples:
  - |
    #include <dt-bindings/clock/qcom,rpmcc.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    adsp {
        compatible = "qcom,msm8974-adsp-pil";

        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 = <&rpmcc RPM_CXO_CLK>;
        clock-names = "xo";

        cx-supply = <&pm8841_s2>;

        memory-region = <&adsp_region>;

        qcom,smem-states = <&adsp_smp2p_out 0>;
        qcom,smem-state-names = "stop";

        smd-edge {
            interrupts = <GIC_SPI 156 IRQ_TYPE_EDGE_RISING>;

            qcom,ipc = <&apcs 8 8>;
            qcom,smd-edge = <1>;
        };
    };