Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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,msm8916-mss-pil.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Qualcomm MSM8916 MSS Peripheral Image Loader (and similar) |
| 8 | |
| 9 | maintainers: |
| 10 | - Stephan Gerhold <stephan@gerhold.net> |
| 11 | |
| 12 | description: |
| 13 | This document describes the hardware for a component that loads and boots |
| 14 | firmware on the Qualcomm MSM8916 Modem Hexagon Core (and similar). |
| 15 | |
| 16 | properties: |
| 17 | compatible: |
| 18 | oneOf: |
| 19 | - enum: |
| 20 | - qcom,msm8909-mss-pil |
| 21 | - qcom,msm8916-mss-pil |
| 22 | - qcom,msm8953-mss-pil |
| 23 | - qcom,msm8974-mss-pil |
| 24 | |
| 25 | - const: qcom,q6v5-pil |
| 26 | description: Deprecated, prefer using qcom,msm8916-mss-pil |
| 27 | deprecated: true |
| 28 | |
| 29 | reg: |
| 30 | items: |
| 31 | - description: MSS QDSP6 registers |
| 32 | - description: RMB registers |
| 33 | |
| 34 | reg-names: |
| 35 | items: |
| 36 | - const: qdsp6 |
| 37 | - const: rmb |
| 38 | |
| 39 | interrupts: |
| 40 | items: |
| 41 | - description: Watchdog interrupt |
| 42 | - description: Fatal interrupt |
| 43 | - description: Ready interrupt |
| 44 | - description: Handover interrupt |
| 45 | - description: Stop acknowledge interrupt |
| 46 | |
| 47 | interrupt-names: |
| 48 | items: |
| 49 | - const: wdog |
| 50 | - const: fatal |
| 51 | - const: ready |
| 52 | - const: handover |
| 53 | - const: stop-ack |
| 54 | |
| 55 | clocks: |
| 56 | items: |
| 57 | - description: Configuration interface (AXI) clock |
| 58 | - description: Configuration bus (AHB) clock |
| 59 | - description: Boot ROM (AHB) clock |
| 60 | - description: XO proxy clock (control handed over after startup) |
| 61 | |
| 62 | clock-names: |
| 63 | items: |
| 64 | - const: iface |
| 65 | - const: bus |
| 66 | - const: mem |
| 67 | - const: xo |
| 68 | |
| 69 | power-domains: |
| 70 | items: |
| 71 | - description: CX proxy power domain (control handed over after startup) |
| 72 | - description: MX proxy power domain (control handed over after startup) |
| 73 | - description: MSS proxy power domain (control handed over after startup) |
| 74 | (only valid for qcom,msm8953-mss-pil) |
| 75 | minItems: 2 |
| 76 | |
| 77 | power-domain-names: |
| 78 | items: |
| 79 | - const: cx |
| 80 | - const: mx |
| 81 | - const: mss # only valid for qcom,msm8953-mss-pil |
| 82 | minItems: 2 |
| 83 | |
| 84 | pll-supply: |
| 85 | description: PLL proxy supply (control handed over after startup) |
| 86 | |
| 87 | mss-supply: |
| 88 | description: MSS power domain supply (only valid for qcom,msm8974-mss-pil) |
| 89 | |
| 90 | resets: |
| 91 | items: |
| 92 | - description: MSS restart control |
| 93 | |
| 94 | reset-names: |
| 95 | items: |
| 96 | - const: mss_restart |
| 97 | |
| 98 | qcom,smem-states: |
| 99 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 100 | description: States used by the AP to signal the Hexagon core |
| 101 | items: |
| 102 | - description: Stop modem |
| 103 | |
| 104 | qcom,smem-state-names: |
| 105 | description: Names of the states used by the AP to signal the Hexagon core |
| 106 | items: |
| 107 | - const: stop |
| 108 | |
| 109 | qcom,halt-regs: |
| 110 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 111 | description: |
| 112 | Halt registers are used to halt transactions of various sub-components |
| 113 | within MSS. |
| 114 | items: |
| 115 | - items: |
| 116 | - description: phandle to TCSR syscon region |
| 117 | - description: offset to the Q6 halt register |
| 118 | - description: offset to the modem halt register |
| 119 | - description: offset to the nc halt register |
| 120 | |
| 121 | memory-region: |
| 122 | items: |
| 123 | - description: MBA reserved region |
| 124 | - description: MPSS reserved region |
| 125 | |
| 126 | firmware-name: |
| 127 | $ref: /schemas/types.yaml#/definitions/string-array |
| 128 | items: |
| 129 | - description: Name of MBA firmware |
| 130 | - description: Name of modem firmware |
| 131 | |
| 132 | bam-dmux: |
| 133 | $ref: /schemas/net/qcom,bam-dmux.yaml# |
| 134 | description: |
| 135 | Qualcomm BAM Data Multiplexer (provides network interface to the modem) |
| 136 | |
| 137 | smd-edge: |
| 138 | $ref: qcom,smd-edge.yaml# |
| 139 | description: |
| 140 | Qualcomm SMD subnode which represents communication edge, channels |
| 141 | and devices related to the DSP. |
| 142 | properties: |
| 143 | label: |
| 144 | enum: |
| 145 | - modem |
| 146 | - hexagon |
| 147 | unevaluatedProperties: false |
| 148 | |
| 149 | # Deprecated properties |
| 150 | cx-supply: |
| 151 | description: CX power domain regulator supply (prefer using power-domains) |
| 152 | deprecated: true |
| 153 | |
| 154 | mx-supply: |
| 155 | description: MX power domain regulator supply (prefer using power-domains) |
| 156 | deprecated: true |
| 157 | |
| 158 | mba: |
| 159 | type: object |
| 160 | additionalProperties: false |
| 161 | description: |
| 162 | MBA reserved region (prefer using memory-region with two items) |
| 163 | properties: |
| 164 | memory-region: true |
| 165 | required: |
| 166 | - memory-region |
| 167 | deprecated: true |
| 168 | |
| 169 | mpss: |
| 170 | type: object |
| 171 | additionalProperties: false |
| 172 | description: |
| 173 | MPSS reserved region (prefer using memory-region with two items) |
| 174 | properties: |
| 175 | memory-region: true |
| 176 | required: |
| 177 | - memory-region |
| 178 | deprecated: true |
| 179 | |
| 180 | required: |
| 181 | - compatible |
| 182 | - reg |
| 183 | - reg-names |
| 184 | - interrupts |
| 185 | - interrupt-names |
| 186 | - clocks |
| 187 | - clock-names |
| 188 | - pll-supply |
| 189 | - resets |
| 190 | - reset-names |
| 191 | - qcom,halt-regs |
| 192 | - qcom,smem-states |
| 193 | - qcom,smem-state-names |
| 194 | - smd-edge |
| 195 | |
| 196 | allOf: |
| 197 | - if: |
| 198 | properties: |
| 199 | compatible: |
| 200 | const: qcom,msm8953-mss-pil |
| 201 | then: |
| 202 | properties: |
| 203 | power-domains: |
| 204 | minItems: 3 |
| 205 | power-domain-names: |
| 206 | minItems: 3 |
| 207 | required: |
| 208 | - power-domains |
| 209 | - power-domain-names |
| 210 | else: |
| 211 | properties: |
| 212 | power-domains: |
| 213 | maxItems: 2 |
| 214 | power-domain-names: |
| 215 | maxItems: 2 |
| 216 | |
| 217 | - if: |
| 218 | properties: |
| 219 | compatible: |
| 220 | const: qcom,msm8974-mss-pil |
| 221 | then: |
| 222 | required: |
| 223 | - mss-supply |
| 224 | else: |
| 225 | properties: |
| 226 | mss-supply: false |
| 227 | |
| 228 | # Fallbacks for deprecated properties |
| 229 | - oneOf: |
| 230 | - required: |
| 231 | - memory-region |
| 232 | - required: |
| 233 | - mba |
| 234 | - mpss |
| 235 | - oneOf: |
| 236 | - required: |
| 237 | - power-domains |
| 238 | - power-domain-names |
| 239 | - required: |
| 240 | - cx-supply |
| 241 | - mx-supply |
| 242 | |
| 243 | additionalProperties: false |
| 244 | |
| 245 | examples: |
| 246 | - | |
| 247 | #include <dt-bindings/clock/qcom,gcc-msm8916.h> |
| 248 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 249 | #include <dt-bindings/power/qcom-rpmpd.h> |
| 250 | |
| 251 | remoteproc_mpss: remoteproc@4080000 { |
| 252 | compatible = "qcom,msm8916-mss-pil"; |
| 253 | reg = <0x04080000 0x100>, <0x04020000 0x40>; |
| 254 | reg-names = "qdsp6", "rmb"; |
| 255 | |
| 256 | interrupts-extended = <&intc GIC_SPI 24 IRQ_TYPE_EDGE_RISING>, |
| 257 | <&hexagon_smp2p_in 0 IRQ_TYPE_EDGE_RISING>, |
| 258 | <&hexagon_smp2p_in 1 IRQ_TYPE_EDGE_RISING>, |
| 259 | <&hexagon_smp2p_in 2 IRQ_TYPE_EDGE_RISING>, |
| 260 | <&hexagon_smp2p_in 3 IRQ_TYPE_EDGE_RISING>; |
| 261 | interrupt-names = "wdog", "fatal", "ready", "handover", "stop-ack"; |
| 262 | |
| 263 | qcom,smem-states = <&hexagon_smp2p_out 0>; |
| 264 | qcom,smem-state-names = "stop"; |
| 265 | qcom,halt-regs = <&tcsr 0x18000 0x19000 0x1a000>; |
| 266 | |
| 267 | clocks = <&gcc GCC_MSS_CFG_AHB_CLK>, |
| 268 | <&gcc GCC_MSS_Q6_BIMC_AXI_CLK>, |
| 269 | <&gcc GCC_BOOT_ROM_AHB_CLK>, |
| 270 | <&xo_board>; |
| 271 | clock-names = "iface", "bus", "mem", "xo"; |
| 272 | |
| 273 | power-domains = <&rpmpd MSM8916_VDDCX>, <&rpmpd MSM8916_VDDMX>; |
| 274 | power-domain-names = "cx", "mx"; |
| 275 | pll-supply = <&pm8916_l7>; |
| 276 | |
| 277 | resets = <&scm 0>; |
| 278 | reset-names = "mss_restart"; |
| 279 | |
| 280 | memory-region = <&mba_mem>, <&mpss_mem>; |
| 281 | |
| 282 | smd-edge { |
| 283 | interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>; |
| 284 | |
| 285 | qcom,smd-edge = <0>; |
| 286 | qcom,ipc = <&apcs 8 12>; |
| 287 | qcom,remote-pid = <1>; |
| 288 | |
| 289 | label = "hexagon"; |
| 290 | }; |
| 291 | }; |