# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/remoteproc/qcom,msm8996-mss-pil.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm MSM8996 MSS Peripheral Image Loader (and similar)

maintainers:
  - Bjorn Andersson <andersson@kernel.org>
  - Sibi Sankar <quic_sibis@quicinc.com>

description:
  MSS Peripheral Image Loader loads and boots firmware on the
  Qualcomm Technology Inc. MSM8996 Modem Hexagon Core (and similar).

properties:
  compatible:
    enum:
      - qcom,msm8996-mss-pil
      - qcom,msm8998-mss-pil
      - qcom,sdm660-mss-pil
      - qcom,sdm845-mss-pil

  reg:
    items:
      - description: MSS QDSP6 registers
      - description: RMB registers

  reg-names:
    items:
      - const: qdsp6
      - const: rmb

  iommus:
    items:
      - description: MSA Stream 1
      - description: MSA Stream 2

  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

  clocks:
    minItems: 8
    maxItems: 9

  clock-names:
    minItems: 8
    maxItems: 9

  power-domains:
    items:
      - description: CX power domain
      - description: MX power domain
      - description: MSS power domain (only valid for qcom,sdm845-mss-pil)
    minItems: 2

  power-domain-names:
    items:
      - const: cx
      - const: mx
      - const: mss # only valid for qcom,sdm845-mss-pil
    minItems: 2

  pll-supply:
    description: PLL supply

  resets:
    items:
      - description: AOSS restart
      - description: PDC reset (only valid for qcom,sdm845-mss-pil)
    minItems: 1

  reset-names:
    items:
      - const: mss_restart
      - const: pdc_reset # only valid for qcom,sdm845-mss-pil
    minItems: 1

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

  qcom,smem-states:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    description: States used by the AP to signal the Hexagon core
    items:
      - description: Stop modem

  qcom,smem-state-names:
    description: Names of the states used by the AP to signal the Hexagon core
    items:
      - const: stop

  qcom,halt-regs:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    description:
      Halt registers are used to halt transactions of various sub-components
      within MSS.
    items:
      - items:
          - description: phandle to TCSR syscon region
          - description: offset to the Q6 halt register
          - description: offset to the modem halt register
          - description: offset to the nc halt register

  memory-region:
    items:
      - description: MBA reserved region
      - description: Modem reserved region
      - description: Metadata reserved region

  firmware-name:
    $ref: /schemas/types.yaml#/definitions/string-array
    items:
      - description: Name of MBA firmware
      - description: Name of modem firmware

  smd-edge:
    $ref: /schemas/remoteproc/qcom,smd-edge.yaml#
    description:
      Qualcomm Shared Memory subnode which represents communication edge,
      channels and devices related to the Modem.
    unevaluatedProperties: false

  glink-edge:
    $ref: /schemas/remoteproc/qcom,glink-edge.yaml#
    description:
      Qualcomm G-Link subnode which represents communication edge, channels
      and devices related to the Modem.
    unevaluatedProperties: false
 
  # Deprecated properties
  mba:
    type: object
    description:
      MBA reserved region

    properties:
      memory-region: true

    required:
      - memory-region

    additionalProperties: false
    deprecated: true

  mpss:
    type: object
    description:
      MPSS reserved region

    properties:
      memory-region: true

    required:
      - memory-region

    additionalProperties: false
    deprecated: true

  metadata:
    type: object
    description:
      Metadata reserved region

    properties:
      memory-region: true

    required:
      - memory-region

    additionalProperties: false
    deprecated: true

required:
  - compatible
  - reg
  - reg-names
  - interrupts
  - interrupt-names
  - clocks
  - clock-names
  - power-domains
  - power-domain-names
  - resets
  - reset-names
  - qcom,halt-regs
  - qcom,smem-states
  - qcom,smem-state-names

allOf:
  - if:
      properties:
        compatible:
          const: qcom,msm8996-mss-pil
    then:
      properties:
        clocks:
          items:
            - description: GCC MSS IFACE clock
            - description: GCC MSS BUS clock
            - description: GCC MSS MEM clock
            - description: RPM XO clock
            - description: GCC MSS GPLL0 clock
            - description: GCC MSS SNOC_AXI clock
            - description: GCC MSS MNOC_AXI clock
            - description: RPM QDSS clock
        clock-names:
          items:
            - const: iface
            - const: bus
            - const: mem
            - const: xo
            - const: gpll0_mss
            - const: snoc_axi
            - const: mnoc_axi
            - const: qdss
        glink-edge: false
      required:
        - pll-supply
        - smd-edge
    else:
      properties:
        pll-supply: false
        smd-edge: false

  - if:
      properties:
        compatible:
          enum:
            - qcom,msm8998-mss-pil
            - qcom,sdm660-mss-pil
    then:
      properties:
        clocks:
          items:
            - description: GCC MSS IFACE clock
            - description: GCC MSS BUS clock
            - description: GCC MSS MEM clock
            - description: GCC MSS GPLL0 clock
            - description: GCC MSS SNOC_AXI clock
            - description: GCC MSS MNOC_AXI clock
            - description: RPMH QDSS clock
            - description: RPMH XO clock
        clock-names:
          items:
            - const: iface
            - const: bus
            - const: mem
            - const: gpll0_mss
            - const: snoc_axi
            - const: mnoc_axi
            - const: qdss
            - const: xo
      required:
        - glink-edge

  - if:
      properties:
        compatible:
          const: qcom,sdm845-mss-pil
    then:
      properties:
        power-domains:
          minItems: 3
        power-domain-names:
          minItems: 3
        resets:
          minItems: 2
        reset-names:
          minItems: 2
        clocks:
          items:
            - description: GCC MSS IFACE clock
            - description: GCC MSS BUS clock
            - description: GCC MSS MEM clock
            - description: GCC MSS GPLL0 clock
            - description: GCC MSS SNOC_AXI clock
            - description: GCC MSS MNOC_AXI clock
            - description: GCC MSS PRNG clock
            - description: RPMH XO clock
        clock-names:
          items:
            - const: iface
            - const: bus
            - const: mem
            - const: gpll0_mss
            - const: snoc_axi
            - const: mnoc_axi
            - const: prng
            - const: xo
      required:
        - qcom,qmp
        - glink-edge
    else:
      properties:
        iommus: false
        power-domains:
          maxItems: 2
        power-domain-names:
          maxItems: 2
        resets:
          maxItems: 1
        reset-names:
          maxItems: 1
        qcom,qmp: false
 
  # Fallbacks for deprecated properties
  - oneOf:
      - required:
          - memory-region
      - required:
          - mba
          - mpss
          - metadata

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/qcom,gcc-sdm845.h>
    #include <dt-bindings/clock/qcom,rpmh.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/power/qcom-rpmpd.h>
    #include <dt-bindings/reset/qcom,sdm845-aoss.h>
    #include <dt-bindings/reset/qcom,sdm845-pdc.h>
 
    remoteproc@4080000 {
        compatible = "qcom,sdm845-mss-pil";
        reg = <0x04080000 0x408>, <0x04180000 0x48>;
        reg-names = "qdsp6", "rmb";
 
        interrupts-extended = <&intc GIC_SPI 266 IRQ_TYPE_EDGE_RISING>,
                              <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
                              <&modem_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
                              <&modem_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
                              <&modem_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
                              <&modem_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
        interrupt-names = "wdog", "fatal", "ready", "handover", "stop-ack",
                          "shutdown-ack";
 
        clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
                 <&gcc GCC_MSS_Q6_MEMNOC_AXI_CLK>,
                 <&gcc GCC_BOOT_ROM_AHB_CLK>,
                 <&gcc GCC_MSS_GPLL0_DIV_CLK_SRC>,
                 <&gcc GCC_MSS_SNOC_AXI_CLK>,
                 <&gcc GCC_MSS_MFAB_AXIS_CLK>,
                 <&gcc GCC_PRNG_AHB_CLK>,
                 <&rpmhcc RPMH_CXO_CLK>;
        clock-names = "iface", "bus", "mem", "gpll0_mss",
                      "snoc_axi", "mnoc_axi", "prng", "xo";
 
        power-domains = <&rpmhpd SDM845_CX>,
                        <&rpmhpd SDM845_MX>,
                        <&rpmhpd SDM845_MSS>;
        power-domain-names = "cx", "mx", "mss";
 
        memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>;
 
        resets = <&aoss_reset AOSS_CC_MSS_RESTART>,
                 <&pdc_reset PDC_MODEM_SYNC_RESET>;
        reset-names = "mss_restart", "pdc_reset";
 
        qcom,halt-regs = <&tcsr_regs_1 0x3000 0x5000 0x4000>;
 
        qcom,qmp = <&aoss_qmp>;
 
        qcom,smem-states = <&modem_smp2p_out 0>;
        qcom,smem-state-names = "stop";
 
        glink-edge {
            interrupts = <GIC_SPI 449 IRQ_TYPE_EDGE_RISING>;
            label = "modem";
            qcom,remote-pid = <1>;
            mboxes = <&apss_shared 12>;
        };
    };