0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/remoteproc/qcom,sc7180-mss-pil.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Qualcomm SC7180 MSS Peripheral Image Loader
0008
0009 maintainers:
0010 - Sibi Sankar <quic_sibis@quicinc.com>
0011
0012 description:
0013 This document describes the hardware for a component that loads and boots firmware
0014 on the Qualcomm Technology Inc. SC7180 Modem Hexagon Core.
0015
0016 properties:
0017 compatible:
0018 enum:
0019 - qcom,sc7180-mss-pil
0020
0021 reg:
0022 items:
0023 - description: MSS QDSP6 registers
0024 - description: RMB registers
0025
0026 reg-names:
0027 items:
0028 - const: qdsp6
0029 - const: rmb
0030
0031 iommus:
0032 items:
0033 - description: MSA Stream 1
0034 - description: MSA Stream 2
0035
0036 interrupts:
0037 items:
0038 - description: Watchdog interrupt
0039 - description: Fatal interrupt
0040 - description: Ready interrupt
0041 - description: Handover interrupt
0042 - description: Stop acknowledge interrupt
0043 - description: Shutdown acknowledge interrupt
0044
0045 interrupt-names:
0046 items:
0047 - const: wdog
0048 - const: fatal
0049 - const: ready
0050 - const: handover
0051 - const: stop-ack
0052 - const: shutdown-ack
0053
0054 clocks:
0055 items:
0056 - description: GCC MSS IFACE clock
0057 - description: GCC MSS BUS clock
0058 - description: GCC MSS NAV clock
0059 - description: GCC MSS SNOC_AXI clock
0060 - description: GCC MSS MFAB_AXIS clock
0061 - description: RPMH XO clock
0062
0063 clock-names:
0064 items:
0065 - const: iface
0066 - const: bus
0067 - const: nav
0068 - const: snoc_axi
0069 - const: mnoc_axi
0070 - const: xo
0071
0072 power-domains:
0073 items:
0074 - description: CX power domain
0075 - description: MX power domain
0076 - description: MSS power domain
0077
0078 power-domain-names:
0079 items:
0080 - const: cx
0081 - const: mx
0082 - const: mss
0083
0084 resets:
0085 items:
0086 - description: AOSS restart
0087 - description: PDC reset
0088
0089 reset-names:
0090 items:
0091 - const: mss_restart
0092 - const: pdc_reset
0093
0094 memory-region:
0095 items:
0096 - description: MBA reserved region
0097 - description: modem reserved region
0098
0099 firmware-name:
0100 $ref: /schemas/types.yaml#/definitions/string-array
0101 items:
0102 - description: Name of MBA firmware
0103 - description: Name of modem firmware
0104
0105 qcom,halt-regs:
0106 $ref: /schemas/types.yaml#/definitions/phandle-array
0107 description:
0108 Halt registers are used to halt transactions of various sub-components
0109 within MSS.
0110 items:
0111 - items:
0112 - description: phandle to TCSR_MUTEX registers
0113 - description: offset to the Q6 halt register
0114 - description: offset to the modem halt register
0115 - description: offset to the nc halt register
0116
0117 qcom,spare-regs:
0118 $ref: /schemas/types.yaml#/definitions/phandle-array
0119 description:
0120 Spare registers are multipurpose registers used for errata
0121 handling.
0122 items:
0123 - items:
0124 - description: phandle to TCSR_MUTEX registers
0125 - description: offset to the conn_box_spare0 register
0126
0127 qcom,qmp:
0128 $ref: /schemas/types.yaml#/definitions/phandle
0129 description: Reference to the AOSS side-channel message RAM.
0130
0131 qcom,smem-states:
0132 $ref: /schemas/types.yaml#/definitions/phandle-array
0133 description: States used by the AP to signal the Hexagon core
0134 items:
0135 - description: Stop the modem
0136
0137 qcom,smem-state-names:
0138 description: The names of the state bits used for SMP2P output
0139 const: stop
0140
0141 glink-edge:
0142 $ref: qcom,glink-edge.yaml#
0143 description:
0144 Qualcomm G-Link subnode which represents communication edge, channels
0145 and devices related to the DSP.
0146
0147 properties:
0148 interrupts:
0149 items:
0150 - description: IRQ from MSS to GLINK
0151
0152 mboxes:
0153 items:
0154 - description: Mailbox for communication between APPS and MSS
0155
0156 label:
0157 const: modem
0158
0159 apr: false
0160 fastrpc: false
0161
0162 required:
0163 - compatible
0164 - reg
0165 - reg-names
0166 - iommus
0167 - interrupts
0168 - interrupt-names
0169 - clocks
0170 - clock-names
0171 - power-domains
0172 - power-domain-names
0173 - resets
0174 - reset-names
0175 - qcom,halt-regs
0176 - qcom,spare-regs
0177 - memory-region
0178 - qcom,qmp
0179 - qcom,smem-states
0180 - qcom,smem-state-names
0181 - glink-edge
0182
0183 additionalProperties: false
0184
0185 examples:
0186 - |
0187 #include <dt-bindings/clock/qcom,gcc-sc7180.h>
0188 #include <dt-bindings/clock/qcom,rpmh.h>
0189 #include <dt-bindings/interrupt-controller/arm-gic.h>
0190 #include <dt-bindings/power/qcom-rpmpd.h>
0191 #include <dt-bindings/reset/qcom,sdm845-aoss.h>
0192 #include <dt-bindings/reset/qcom,sdm845-pdc.h>
0193
0194 remoteproc_mpss: remoteproc@4080000 {
0195 compatible = "qcom,sc7180-mss-pil";
0196 reg = <0x04080000 0x10000>, <0x04180000 0x48>;
0197 reg-names = "qdsp6", "rmb";
0198
0199 iommus = <&apps_smmu 0x461 0x0>, <&apps_smmu 0x444 0x3>;
0200
0201 interrupts-extended = <&intc GIC_SPI 264 IRQ_TYPE_EDGE_RISING>,
0202 <&modem_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
0203 <&modem_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
0204 <&modem_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
0205 <&modem_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
0206 <&modem_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
0207
0208 interrupt-names = "wdog", "fatal", "ready", "handover",
0209 "stop-ack", "shutdown-ack";
0210
0211 clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
0212 <&gcc GCC_MSS_Q6_MEMNOC_AXI_CLK>,
0213 <&gcc GCC_MSS_NAV_AXI_CLK>,
0214 <&gcc GCC_MSS_SNOC_AXI_CLK>,
0215 <&gcc GCC_MSS_MFAB_AXIS_CLK>,
0216 <&rpmhcc RPMH_CXO_CLK>;
0217 clock-names = "iface", "bus", "nav", "snoc_axi",
0218 "mnoc_axi", "xo";
0219
0220 power-domains = <&rpmhpd SC7180_CX>,
0221 <&rpmhpd SC7180_MX>,
0222 <&rpmhpd SC7180_MSS>;
0223 power-domain-names = "cx", "mx", "mss";
0224
0225 memory-region = <&mba_mem>, <&mpss_mem>;
0226
0227 qcom,qmp = <&aoss_qmp>;
0228
0229 qcom,smem-states = <&modem_smp2p_out 0>;
0230 qcom,smem-state-names = "stop";
0231
0232 resets = <&aoss_reset AOSS_CC_MSS_RESTART>,
0233 <&pdc_reset PDC_MODEM_SYNC_RESET>;
0234 reset-names = "mss_restart", "pdc_reset";
0235
0236 qcom,halt-regs = <&tcsr_mutex_regs 0x23000 0x25000 0x24000>;
0237 qcom,spare-regs = <&tcsr_regs 0xb3e4>;
0238
0239 glink-edge {
0240 interrupts = <GIC_SPI 449 IRQ_TYPE_EDGE_RISING>;
0241 mboxes = <&apss_shared 12>;
0242 qcom,remote-pid = <1>;
0243 label = "modem";
0244 };
0245 };
