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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,sc7280-wpss-pil.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006 
0007 title: Qualcomm SC7280 WPSS Peripheral Image Loader
0008 
0009 maintainers:
0010   - Bjorn Andersson <bjorn.andersson@linaro.org>
0011 
0012 description:
0013   This document defines the binding for a component that loads and boots firmware
0014   on the Qualcomm Technology Inc. WPSS.
0015 
0016 properties:
0017   compatible:
0018     enum:
0019       - qcom,sc7280-wpss-pil
0020 
0021   reg:
0022     maxItems: 1
0023     description:
0024       The base address and size of the qdsp6ss register
0025 
0026   interrupts:
0027     items:
0028       - description: Watchdog interrupt
0029       - description: Fatal interrupt
0030       - description: Ready interrupt
0031       - description: Handover interrupt
0032       - description: Stop acknowledge interrupt
0033       - description: Shutdown acknowledge interrupt
0034 
0035   interrupt-names:
0036     items:
0037       - const: wdog
0038       - const: fatal
0039       - const: ready
0040       - const: handover
0041       - const: stop-ack
0042       - const: shutdown-ack
0043 
0044   clocks:
0045     items:
0046       - description: GCC WPSS AHB BDG Master clock
0047       - description: GCC WPSS AHB clock
0048       - description: GCC WPSS RSCP clock
0049       - description: XO clock
0050 
0051   clock-names:
0052     items:
0053       - const: ahb_bdg
0054       - const: ahb
0055       - const: rscp
0056       - const: xo
0057 
0058   power-domains:
0059     items:
0060       - description: CX power domain
0061       - description: MX power domain
0062 
0063   power-domain-names:
0064     items:
0065       - const: cx
0066       - const: mx
0067 
0068   resets:
0069     items:
0070       - description: AOSS restart
0071       - description: PDC SYNC
0072 
0073   reset-names:
0074     items:
0075       - const: restart
0076       - const: pdc_sync
0077 
0078   memory-region:
0079     maxItems: 1
0080     description: Reference to the reserved-memory for the Hexagon core
0081 
0082   firmware-name:
0083     $ref: /schemas/types.yaml#/definitions/string
0084     description:
0085       The name of the firmware which should be loaded for this remote
0086       processor.
0087 
0088   qcom,halt-regs:
0089     $ref: /schemas/types.yaml#/definitions/phandle-array
0090     description:
0091       Phandle reference to a syscon representing TCSR followed by the
0092       three offsets within syscon for q6, modem and nc halt registers.
0093 
0094   qcom,qmp:
0095     $ref: /schemas/types.yaml#/definitions/phandle
0096     description: Reference to the AOSS side-channel message RAM.
0097 
0098   qcom,smem-states:
0099     $ref: /schemas/types.yaml#/definitions/phandle-array
0100     description: States used by the AP to signal the Hexagon core
0101     items:
0102       - description: Stop the modem
0103 
0104   qcom,smem-state-names:
0105     description: The names of the state bits used for SMP2P output
0106     const: stop
0107 
0108   glink-edge:
0109     $ref: qcom,glink-edge.yaml#
0110     description:
0111       Qualcomm G-Link subnode which represents communication edge, channels
0112       and devices related to the ADSP.
0113 
0114     properties:
0115       interrupts:
0116         items:
0117           - description: IRQ from WPSS to GLINK
0118 
0119       mboxes:
0120         items:
0121           - description: Mailbox for communication between APPS and WPSS
0122 
0123       label:
0124         items:
0125           - const: wpss
0126 
0127       apr: false
0128       fastrpc: false
0129 
0130 required:
0131   - compatible
0132   - reg
0133   - interrupts
0134   - interrupt-names
0135   - clocks
0136   - clock-names
0137   - power-domains
0138   - power-domain-names
0139   - resets
0140   - reset-names
0141   - qcom,halt-regs
0142   - memory-region
0143   - qcom,qmp
0144   - qcom,smem-states
0145   - qcom,smem-state-names
0146   - glink-edge
0147 
0148 additionalProperties: false
0149 
0150 examples:
0151   - |
0152     #include <dt-bindings/interrupt-controller/arm-gic.h>
0153     #include <dt-bindings/clock/qcom,gcc-sc7280.h>
0154     #include <dt-bindings/clock/qcom,rpmh.h>
0155     #include <dt-bindings/power/qcom-rpmpd.h>
0156     #include <dt-bindings/reset/qcom,sdm845-aoss.h>
0157     #include <dt-bindings/reset/qcom,sdm845-pdc.h>
0158     #include <dt-bindings/mailbox/qcom-ipcc.h>
0159     remoteproc@8a00000 {
0160         compatible = "qcom,sc7280-wpss-pil";
0161         reg = <0x08a00000 0x10000>;
0162 
0163         interrupts-extended = <&intc GIC_SPI 587 IRQ_TYPE_EDGE_RISING>,
0164                               <&wpss_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
0165                               <&wpss_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
0166                               <&wpss_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
0167                               <&wpss_smp2p_in 3 IRQ_TYPE_EDGE_RISING>,
0168                               <&wpss_smp2p_in 7 IRQ_TYPE_EDGE_RISING>;
0169         interrupt-names = "wdog", "fatal", "ready", "handover",
0170                           "stop-ack", "shutdown-ack";
0171 
0172         clocks = <&gcc GCC_WPSS_AHB_BDG_MST_CLK>,
0173                  <&gcc GCC_WPSS_AHB_CLK>,
0174                  <&gcc GCC_WPSS_RSCP_CLK>,
0175                  <&rpmhcc RPMH_CXO_CLK>;
0176         clock-names = "ahb_bdg", "ahb",
0177                       "rscp", "xo";
0178 
0179         power-domains = <&rpmhpd SC7280_CX>,
0180                         <&rpmhpd SC7280_MX>;
0181         power-domain-names = "cx", "mx";
0182 
0183         memory-region = <&wpss_mem>;
0184 
0185         qcom,qmp = <&aoss_qmp>;
0186 
0187         qcom,smem-states = <&wpss_smp2p_out 0>;
0188         qcom,smem-state-names = "stop";
0189 
0190         resets = <&aoss_reset AOSS_CC_WCSS_RESTART>,
0191                  <&pdc_reset PDC_WPSS_SYNC_RESET>;
0192         reset-names = "restart", "pdc_sync";
0193 
0194         qcom,halt-regs = <&tcsr_mutex 0x37000>;
0195 
0196         glink-edge {
0197             interrupts-extended = <&ipcc IPCC_CLIENT_WPSS
0198                                          IPCC_MPROC_SIGNAL_GLINK_QMP
0199                                          IRQ_TYPE_EDGE_RISING>;
0200             mboxes = <&ipcc IPCC_CLIENT_WPSS
0201                             IPCC_MPROC_SIGNAL_GLINK_QMP>;
0202 
0203             label = "wpss";
0204             qcom,remote-pid = <13>;
0205         };
0206     };