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

title: Qualcomm Nord SoC Peripheral Authentication Service

maintainers:
  - Shawn Guo <shengchao.guo@oss.qualcomm.com>

description:
  Qualcomm Nord SoC Peripheral Authentication Service loads and boots firmware
  on the Qualcomm DSP Hexagon cores.

properties:
  compatible:
    enum:
      - qcom,nord-adsp-pas
      - qcom,nord-cdsp0-pas
      - qcom,nord-cdsp1-pas
      - qcom,nord-cdsp2-pas
      - qcom,nord-cdsp3-pas

  power-domains:
    minItems: 2
    items:
      - description: CX power domain
      - description: MX power domain
      - description: NSP power domain

  power-domain-names:
    minItems: 2
    items:
      - const: cx
      - const: mx
      - const: nsp

  reg:
    maxItems: 1

  clocks:
    items:
      - description: XO clock

  clock-names:
    items:
      - const: xo

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

  smd-edge: false

  firmware-name:
    items:
      - description: Firmware name of the Hexagon core
      - description: Firmware name of the Hexagon Devicetree

  memory-region:
    items:
      - description: Memory region for main Firmware authentication
      - description: Memory region for Devicetree Firmware authentication

  interrupts:
    items:
      - description: Watchdog interrupt
      - description: Fatal interrupt
      - description: Ready interrupt
      - description: Handover interrupt
      - description: Stop acknowledge interrupt
      - description: Shutdown acknowledge interrupt

  interrupt-names:
    items:
      - const: wdog
      - const: fatal
      - const: ready
      - const: handover
      - const: stop-ack
      - const: shutdown-ack

  qcom,smem-states:
    maxItems: 1
    description: States used by the AP to signal the Hexagon core

  qcom,smem-state-names:
    maxItems: 1
    description: The names of the state bits used for SMP2P output

required:
  - compatible
  - reg
  - memory-region

allOf:
  - $ref: /schemas/remoteproc/qcom,pas-common.yaml#
  - if:
      properties:
        compatible:
          enum:
            - qcom,nord-adsp-pas
    then:
      properties:
        power-domains:
          maxItems: 2
        power-domain-names:
          maxItems: 2
    else:
      properties:
        power-domains:
          minItems: 3
        power-domain-names:
          minItems: 3

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,rpmh.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/mailbox/qcom-ipcc.h>
    #include <dt-bindings/power/qcom,rpmhpd.h>
    #define IPCC_MPROC_ADSP0

    remoteproc@4c00000 {
        compatible = "qcom,nord-adsp-pas";
        reg = <0x04c00000 0x10000>;

        clocks = <&rpmhcc RPMH_CXO_CLK>;
        clock-names = "xo";

        interrupts-extended = <&intc GIC_SPI 159 IRQ_TYPE_EDGE_RISING>,
                              <&smp2p_adsp_in 0 IRQ_TYPE_EDGE_RISING>,
                              <&smp2p_adsp_in 1 IRQ_TYPE_EDGE_RISING>,
                              <&smp2p_adsp_in 2 IRQ_TYPE_EDGE_RISING>,
                              <&smp2p_adsp_in 3 IRQ_TYPE_EDGE_RISING>,
                              <&smp2p_adsp_in 7 IRQ_TYPE_EDGE_RISING>;
        interrupt-names = "wdog",
                          "fatal",
                          "ready",
                          "handover",
                          "stop-ack",
                          "shutdown-ack";

        memory-region = <&hpass_dsp0_mem>, <&hpass_dsp0_dtb_mem>;

        firmware-name = "qcom/nord/adsp.mbn",
                        "qcom/nord/adsp_dtb.mbn";

        power-domains = <&rpmhpd RPMHPD_CX>,
                        <&rpmhpd RPMHPD_MX>;
        power-domain-names = "cx",
                             "mx";

        qcom,qmp = <&aoss_qmp>;
        qcom,smem-states = <&smp2p_adsp_out 0>;
        qcom,smem-state-names = "stop";

        glink-edge {
            interrupts-extended = <&ipcc IPCC_MPROC_ADSP0
                                         IPCC_MPROC_SIGNAL_GLINK_QMP
                                         IRQ_TYPE_EDGE_RISING>;
            mboxes = <&ipcc IPCC_MPROC_ADSP0 IPCC_MPROC_SIGNAL_GLINK_QMP>;

            label = "adsp";
            qcom,remote-pid = <2>;

            /* ... */
        };
    };