Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| 2 | # Copyright 2019-2020, The Linux Foundation, All Rights Reserved |
| 3 | %YAML 1.2 |
| 4 | --- |
| 5 | |
| 6 | $id: http://devicetree.org/schemas/display/msm/gmu.yaml# |
| 7 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 8 | |
| 9 | title: GMU attached to certain Adreno GPUs |
| 10 | |
| 11 | maintainers: |
| 12 | - Rob Clark <robdclark@gmail.com> |
| 13 | |
| 14 | description: | |
| 15 | These bindings describe the Graphics Management Unit (GMU) that is attached |
| 16 | to members of the Adreno A6xx GPU family. The GMU provides on-device power |
| 17 | management and support to improve power efficiency and reduce the load on |
| 18 | the CPU. |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | oneOf: |
| 23 | - items: |
| 24 | - pattern: '^qcom,adreno-gmu-[67][0-9][0-9]\.[0-9]$' |
| 25 | - const: qcom,adreno-gmu |
Tom Rini | 6b642ac | 2024-10-01 12:20:28 -0600 | [diff] [blame] | 26 | - items: |
| 27 | - pattern: '^qcom,adreno-gmu-x[1-9][0-9][0-9]\.[0-9]$' |
| 28 | - const: qcom,adreno-gmu |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 29 | - const: qcom,adreno-gmu-wrapper |
| 30 | |
| 31 | reg: |
| 32 | minItems: 1 |
| 33 | maxItems: 4 |
| 34 | |
| 35 | reg-names: |
| 36 | minItems: 1 |
| 37 | maxItems: 4 |
| 38 | |
| 39 | clocks: |
| 40 | minItems: 4 |
| 41 | maxItems: 7 |
| 42 | |
| 43 | clock-names: |
| 44 | minItems: 4 |
| 45 | maxItems: 7 |
| 46 | |
| 47 | interrupts: |
| 48 | items: |
| 49 | - description: GMU HFI interrupt |
| 50 | - description: GMU interrupt |
| 51 | |
| 52 | interrupt-names: |
| 53 | items: |
| 54 | - const: hfi |
| 55 | - const: gmu |
| 56 | |
| 57 | power-domains: |
| 58 | items: |
| 59 | - description: CX power domain |
| 60 | - description: GX power domain |
| 61 | |
| 62 | power-domain-names: |
| 63 | items: |
| 64 | - const: cx |
| 65 | - const: gx |
| 66 | |
| 67 | iommus: |
| 68 | maxItems: 1 |
| 69 | |
| 70 | qcom,qmp: |
| 71 | $ref: /schemas/types.yaml#/definitions/phandle |
| 72 | description: Reference to the AOSS side-channel message RAM |
| 73 | |
| 74 | operating-points-v2: true |
| 75 | |
| 76 | opp-table: |
| 77 | type: object |
| 78 | |
| 79 | required: |
| 80 | - compatible |
| 81 | - reg |
| 82 | - reg-names |
| 83 | - power-domains |
| 84 | - power-domain-names |
| 85 | |
| 86 | additionalProperties: false |
| 87 | |
| 88 | allOf: |
| 89 | - if: |
| 90 | properties: |
| 91 | compatible: |
| 92 | contains: |
| 93 | enum: |
| 94 | - qcom,adreno-gmu-618.0 |
| 95 | - qcom,adreno-gmu-630.2 |
| 96 | then: |
| 97 | properties: |
| 98 | reg: |
| 99 | items: |
| 100 | - description: Core GMU registers |
| 101 | - description: GMU PDC registers |
| 102 | - description: GMU PDC sequence registers |
| 103 | reg-names: |
| 104 | items: |
| 105 | - const: gmu |
| 106 | - const: gmu_pdc |
| 107 | - const: gmu_pdc_seq |
| 108 | clocks: |
| 109 | items: |
| 110 | - description: GMU clock |
| 111 | - description: GPU CX clock |
| 112 | - description: GPU AXI clock |
| 113 | - description: GPU MEMNOC clock |
| 114 | clock-names: |
| 115 | items: |
| 116 | - const: gmu |
| 117 | - const: cxo |
| 118 | - const: axi |
| 119 | - const: memnoc |
| 120 | |
| 121 | - if: |
| 122 | properties: |
| 123 | compatible: |
| 124 | contains: |
| 125 | enum: |
| 126 | - qcom,adreno-gmu-635.0 |
| 127 | - qcom,adreno-gmu-660.1 |
| 128 | then: |
| 129 | properties: |
| 130 | reg: |
| 131 | items: |
| 132 | - description: Core GMU registers |
| 133 | - description: Resource controller registers |
| 134 | - description: GMU PDC registers |
| 135 | reg-names: |
| 136 | items: |
| 137 | - const: gmu |
| 138 | - const: rscc |
| 139 | - const: gmu_pdc |
| 140 | clocks: |
| 141 | items: |
| 142 | - description: GMU clock |
| 143 | - description: GPU CX clock |
| 144 | - description: GPU AXI clock |
| 145 | - description: GPU MEMNOC clock |
| 146 | - description: GPU AHB clock |
| 147 | - description: GPU HUB CX clock |
| 148 | - description: GPU SMMU vote clock |
| 149 | clock-names: |
| 150 | items: |
| 151 | - const: gmu |
| 152 | - const: cxo |
| 153 | - const: axi |
| 154 | - const: memnoc |
| 155 | - const: ahb |
| 156 | - const: hub |
| 157 | - const: smmu_vote |
| 158 | |
| 159 | - if: |
| 160 | properties: |
| 161 | compatible: |
| 162 | contains: |
| 163 | enum: |
| 164 | - qcom,adreno-gmu-640.1 |
| 165 | then: |
| 166 | properties: |
| 167 | reg: |
| 168 | items: |
| 169 | - description: Core GMU registers |
| 170 | - description: GMU PDC registers |
| 171 | - description: GMU PDC sequence registers |
| 172 | reg-names: |
| 173 | items: |
| 174 | - const: gmu |
| 175 | - const: gmu_pdc |
| 176 | - const: gmu_pdc_seq |
| 177 | |
| 178 | - if: |
| 179 | properties: |
| 180 | compatible: |
| 181 | contains: |
| 182 | enum: |
| 183 | - qcom,adreno-gmu-650.2 |
| 184 | then: |
| 185 | properties: |
| 186 | reg: |
| 187 | items: |
| 188 | - description: Core GMU registers |
| 189 | - description: Resource controller registers |
| 190 | - description: GMU PDC registers |
| 191 | - description: GMU PDC sequence registers |
| 192 | reg-names: |
| 193 | items: |
| 194 | - const: gmu |
| 195 | - const: rscc |
| 196 | - const: gmu_pdc |
| 197 | - const: gmu_pdc_seq |
| 198 | |
| 199 | - if: |
| 200 | properties: |
| 201 | compatible: |
| 202 | contains: |
| 203 | enum: |
| 204 | - qcom,adreno-gmu-640.1 |
| 205 | - qcom,adreno-gmu-650.2 |
| 206 | then: |
| 207 | properties: |
| 208 | clocks: |
| 209 | items: |
| 210 | - description: GPU AHB clock |
| 211 | - description: GMU clock |
| 212 | - description: GPU CX clock |
| 213 | - description: GPU AXI clock |
| 214 | - description: GPU MEMNOC clock |
| 215 | clock-names: |
| 216 | items: |
| 217 | - const: ahb |
| 218 | - const: gmu |
| 219 | - const: cxo |
| 220 | - const: axi |
| 221 | - const: memnoc |
| 222 | |
| 223 | - if: |
| 224 | properties: |
| 225 | compatible: |
| 226 | contains: |
| 227 | enum: |
| 228 | - qcom,adreno-gmu-730.1 |
| 229 | - qcom,adreno-gmu-740.1 |
Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 230 | - qcom,adreno-gmu-750.1 |
Tom Rini | 6b642ac | 2024-10-01 12:20:28 -0600 | [diff] [blame] | 231 | - qcom,adreno-gmu-x185.1 |
Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 232 | then: |
| 233 | properties: |
| 234 | reg: |
| 235 | items: |
| 236 | - description: Core GMU registers |
| 237 | - description: Resource controller registers |
| 238 | - description: GMU PDC registers |
| 239 | reg-names: |
| 240 | items: |
| 241 | - const: gmu |
| 242 | - const: rscc |
| 243 | - const: gmu_pdc |
| 244 | clocks: |
| 245 | items: |
| 246 | - description: GPU AHB clock |
| 247 | - description: GMU clock |
| 248 | - description: GPU CX clock |
| 249 | - description: GPU AXI clock |
| 250 | - description: GPU MEMNOC clock |
| 251 | - description: GMU HUB clock |
| 252 | - description: GPUSS DEMET clock |
| 253 | clock-names: |
| 254 | items: |
| 255 | - const: ahb |
| 256 | - const: gmu |
| 257 | - const: cxo |
| 258 | - const: axi |
| 259 | - const: memnoc |
| 260 | - const: hub |
| 261 | - const: demet |
| 262 | |
| 263 | required: |
| 264 | - qcom,qmp |
| 265 | |
| 266 | - if: |
| 267 | properties: |
| 268 | compatible: |
| 269 | contains: |
| 270 | const: qcom,adreno-gmu-wrapper |
| 271 | then: |
| 272 | properties: |
| 273 | reg: |
| 274 | items: |
| 275 | - description: GMU wrapper register space |
| 276 | reg-names: |
| 277 | items: |
| 278 | - const: gmu |
| 279 | else: |
| 280 | required: |
| 281 | - clocks |
| 282 | - clock-names |
| 283 | - interrupts |
| 284 | - interrupt-names |
| 285 | - iommus |
| 286 | - operating-points-v2 |
| 287 | |
| 288 | examples: |
| 289 | - | |
| 290 | #include <dt-bindings/clock/qcom,gpucc-sdm845.h> |
| 291 | #include <dt-bindings/clock/qcom,gcc-sdm845.h> |
| 292 | #include <dt-bindings/interrupt-controller/irq.h> |
| 293 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 294 | |
| 295 | gmu: gmu@506a000 { |
| 296 | compatible = "qcom,adreno-gmu-630.2", "qcom,adreno-gmu"; |
| 297 | |
| 298 | reg = <0x506a000 0x30000>, |
| 299 | <0xb280000 0x10000>, |
| 300 | <0xb480000 0x10000>; |
| 301 | reg-names = "gmu", "gmu_pdc", "gmu_pdc_seq"; |
| 302 | |
| 303 | clocks = <&gpucc GPU_CC_CX_GMU_CLK>, |
| 304 | <&gpucc GPU_CC_CXO_CLK>, |
| 305 | <&gcc GCC_DDRSS_GPU_AXI_CLK>, |
| 306 | <&gcc GCC_GPU_MEMNOC_GFX_CLK>; |
| 307 | clock-names = "gmu", "cxo", "axi", "memnoc"; |
| 308 | |
| 309 | interrupts = <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>, |
| 310 | <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>; |
| 311 | interrupt-names = "hfi", "gmu"; |
| 312 | |
| 313 | power-domains = <&gpucc GPU_CX_GDSC>, |
| 314 | <&gpucc GPU_GX_GDSC>; |
| 315 | power-domain-names = "cx", "gx"; |
| 316 | |
| 317 | iommus = <&adreno_smmu 5>; |
| 318 | operating-points-v2 = <&gmu_opp_table>; |
| 319 | }; |
| 320 | |
| 321 | gmu_wrapper: gmu@596a000 { |
| 322 | compatible = "qcom,adreno-gmu-wrapper"; |
| 323 | reg = <0x0596a000 0x30000>; |
| 324 | reg-names = "gmu"; |
| 325 | power-domains = <&gpucc GPU_CX_GDSC>, |
| 326 | <&gpucc GPU_GX_GDSC>; |
| 327 | power-domain-names = "cx", "gx"; |
| 328 | }; |