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| 1 | +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | +%YAML 1.2 |
| 3 | +--- |
| 4 | +$id: http://devicetree.org/schemas/remoteproc/qcom,qcs404-cdsp-pil.yaml# |
| 5 | +$schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | + |
| 7 | +title: Qualcomm QCS404 CDSP Peripheral Image Loader |
| 8 | + |
| 9 | +maintainers: |
| 10 | + - Bjorn Andersson <bjorn.andersson@linaro.org> |
| 11 | + |
| 12 | +description: |
| 13 | + This document defines the binding for a component that loads and boots firmware |
| 14 | + on the Qualcomm Technology Inc. CDSP (Compute DSP). |
| 15 | + |
| 16 | +properties: |
| 17 | + compatible: |
| 18 | + enum: |
| 19 | + - qcom,qcs404-cdsp-pil |
| 20 | + |
| 21 | + reg: |
| 22 | + maxItems: 1 |
| 23 | + description: |
| 24 | + The base address and size of the qdsp6ss register |
| 25 | + |
| 26 | + interrupts: |
| 27 | + items: |
| 28 | + - description: Watchdog interrupt |
| 29 | + - description: Fatal interrupt |
| 30 | + - description: Ready interrupt |
| 31 | + - description: Handover interrupt |
| 32 | + - description: Stop acknowledge interrupt |
| 33 | + |
| 34 | + interrupt-names: |
| 35 | + items: |
| 36 | + - const: wdog |
| 37 | + - const: fatal |
| 38 | + - const: ready |
| 39 | + - const: handover |
| 40 | + - const: stop-ack |
| 41 | + |
| 42 | + clocks: |
| 43 | + items: |
| 44 | + - description: XO clock |
| 45 | + - description: SWAY clock |
| 46 | + - description: TBU clock |
| 47 | + - description: BIMC clock |
| 48 | + - description: AHB AON clock |
| 49 | + - description: Q6SS SLAVE clock |
| 50 | + - description: Q6SS MASTER clock |
| 51 | + - description: Q6 AXIM clock |
| 52 | + |
| 53 | + clock-names: |
| 54 | + items: |
| 55 | + - const: xo |
| 56 | + - const: sway |
| 57 | + - const: tbu |
| 58 | + - const: bimc |
| 59 | + - const: ahb_aon |
| 60 | + - const: q6ss_slave |
| 61 | + - const: q6ss_master |
| 62 | + - const: q6_axim |
| 63 | + |
| 64 | + power-domains: |
| 65 | + items: |
| 66 | + - description: CX power domain |
| 67 | + |
| 68 | + resets: |
| 69 | + items: |
| 70 | + - description: AOSS restart |
| 71 | + |
| 72 | + reset-names: |
| 73 | + items: |
| 74 | + - const: restart |
| 75 | + |
| 76 | + memory-region: |
| 77 | + maxItems: 1 |
| 78 | + description: Reference to the reserved-memory for the Hexagon core |
| 79 | + |
| 80 | + qcom,halt-regs: |
| 81 | + $ref: /schemas/types.yaml#/definitions/phandle-array |
| 82 | + description: |
| 83 | + Phandle reference to a syscon representing TCSR followed by the |
| 84 | + three offsets within syscon for q6, modem and nc halt registers. |
| 85 | + |
| 86 | + qcom,smem-states: |
| 87 | + $ref: /schemas/types.yaml#/definitions/phandle-array |
| 88 | + description: States used by the AP to signal the Hexagon core |
| 89 | + items: |
| 90 | + - description: Stop the modem |
| 91 | + |
| 92 | + qcom,smem-state-names: |
| 93 | + $ref: /schemas/types.yaml#/definitions/string |
| 94 | + description: The names of the state bits used for SMP2P output |
| 95 | + items: |
| 96 | + - const: stop |
| 97 | + |
| 98 | +required: |
| 99 | + - compatible |
| 100 | + - reg |
| 101 | + - interrupts |
| 102 | + - interrupt-names |
| 103 | + - clocks |
| 104 | + - clock-names |
| 105 | + - power-domains |
| 106 | + - resets |
| 107 | + - reset-names |
| 108 | + - qcom,halt-regs |
| 109 | + - memory-region |
| 110 | + - qcom,smem-states |
| 111 | + - qcom,smem-state-names |
| 112 | + |
| 113 | +additionalProperties: false |
| 114 | + |
| 115 | +examples: |
| 116 | + - | |
| 117 | + #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 118 | + #include <dt-bindings/clock/qcom,gcc-qcs404.h> |
| 119 | + #include <dt-bindings/power/qcom-rpmpd.h> |
| 120 | + #include <dt-bindings/clock/qcom,turingcc-qcs404.h> |
| 121 | + remoteproc@b00000 { |
| 122 | + compatible = "qcom,qcs404-cdsp-pil"; |
| 123 | + reg = <0x00b00000 0x4040>; |
| 124 | +
|
| 125 | + interrupts-extended = <&intc GIC_SPI 229 IRQ_TYPE_EDGE_RISING>, |
| 126 | + <&cdsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>, |
| 127 | + <&cdsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>, |
| 128 | + <&cdsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>, |
| 129 | + <&cdsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>; |
| 130 | + interrupt-names = "wdog", "fatal", "ready", |
| 131 | + "handover", "stop-ack"; |
| 132 | +
|
| 133 | + clocks = <&xo_board>, |
| 134 | + <&gcc GCC_CDSP_CFG_AHB_CLK>, |
| 135 | + <&gcc GCC_CDSP_TBU_CLK>, |
| 136 | + <&gcc GCC_BIMC_CDSP_CLK>, |
| 137 | + <&turingcc TURING_WRAPPER_AON_CLK>, |
| 138 | + <&turingcc TURING_Q6SS_AHBS_AON_CLK>, |
| 139 | + <&turingcc TURING_Q6SS_AHBM_AON_CLK>, |
| 140 | + <&turingcc TURING_Q6SS_Q6_AXIM_CLK>; |
| 141 | + clock-names = "xo", |
| 142 | + "sway", |
| 143 | + "tbu", |
| 144 | + "bimc", |
| 145 | + "ahb_aon", |
| 146 | + "q6ss_slave", |
| 147 | + "q6ss_master", |
| 148 | + "q6_axim"; |
| 149 | +
|
| 150 | + power-domains = <&rpmhpd SDM845_CX>; |
| 151 | +
|
| 152 | + resets = <&gcc GCC_CDSP_RESTART>; |
| 153 | + reset-names = "restart"; |
| 154 | +
|
| 155 | + qcom,halt-regs = <&tcsr 0x19004>; |
| 156 | +
|
| 157 | + memory-region = <&cdsp_fw_mem>; |
| 158 | +
|
| 159 | + qcom,smem-states = <&cdsp_smp2p_out 0>; |
| 160 | + qcom,smem-state-names = "stop"; |
| 161 | + }; |
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