1 # SPDX-License-Identifier: GPL-2.0-only 1 # SPDX-License-Identifier: GPL-2.0-only
2 # Copyright 2019-2020, The Linux Foundation, A 2 # Copyright 2019-2020, The Linux Foundation, All Rights Reserved
3 %YAML 1.2 3 %YAML 1.2
4 --- 4 ---
5 5
6 $id: http://devicetree.org/schemas/display/msm 6 $id: http://devicetree.org/schemas/display/msm/gmu.yaml#
7 $schema: http://devicetree.org/meta-schemas/co 7 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 8
9 title: GMU attached to certain Adreno GPUs 9 title: GMU attached to certain Adreno GPUs
10 10
11 maintainers: 11 maintainers:
12 - Rob Clark <robdclark@gmail.com> 12 - Rob Clark <robdclark@gmail.com>
13 13
14 description: | 14 description: |
15 These bindings describe the Graphics Managem 15 These bindings describe the Graphics Management Unit (GMU) that is attached
16 to members of the Adreno A6xx GPU family. Th 16 to members of the Adreno A6xx GPU family. The GMU provides on-device power
17 management and support to improve power effi 17 management and support to improve power efficiency and reduce the load on
18 the CPU. 18 the CPU.
19 19
20 properties: 20 properties:
21 compatible: 21 compatible:
22 oneOf: !! 22 items:
23 - items: !! 23 - pattern: '^qcom,adreno-gmu-6[0-9][0-9]\.[0-9]$'
24 - pattern: '^qcom,adreno-gmu-[67][0- !! 24 - const: qcom,adreno-gmu
25 - const: qcom,adreno-gmu <<
26 - items: <<
27 - pattern: '^qcom,adreno-gmu-x[1-9][ <<
28 - const: qcom,adreno-gmu <<
29 - const: qcom,adreno-gmu-wrapper <<
30 25
31 reg: 26 reg:
32 minItems: 1 !! 27 minItems: 3
33 maxItems: 4 28 maxItems: 4
34 29
35 reg-names: 30 reg-names:
36 minItems: 1 !! 31 minItems: 3
37 maxItems: 4 32 maxItems: 4
38 33
39 clocks: 34 clocks:
40 minItems: 4 35 minItems: 4
41 maxItems: 7 36 maxItems: 7
42 37
43 clock-names: 38 clock-names:
44 minItems: 4 39 minItems: 4
45 maxItems: 7 40 maxItems: 7
46 41
47 interrupts: 42 interrupts:
48 items: 43 items:
49 - description: GMU HFI interrupt 44 - description: GMU HFI interrupt
50 - description: GMU interrupt 45 - description: GMU interrupt
51 46
>> 47
52 interrupt-names: 48 interrupt-names:
53 items: 49 items:
54 - const: hfi 50 - const: hfi
55 - const: gmu 51 - const: gmu
56 52
57 power-domains: 53 power-domains:
58 items: 54 items:
59 - description: CX power domain 55 - description: CX power domain
60 - description: GX power domain 56 - description: GX power domain
61 57
62 power-domain-names: 58 power-domain-names:
63 items: 59 items:
64 - const: cx 60 - const: cx
65 - const: gx 61 - const: gx
66 62
67 iommus: 63 iommus:
68 maxItems: 1 64 maxItems: 1
69 65
70 qcom,qmp: <<
71 $ref: /schemas/types.yaml#/definitions/pha <<
72 description: Reference to the AOSS side-ch <<
73 <<
74 operating-points-v2: true 66 operating-points-v2: true
75 67
76 opp-table: 68 opp-table:
77 type: object 69 type: object
78 70
79 required: 71 required:
80 - compatible 72 - compatible
81 - reg 73 - reg
82 - reg-names 74 - reg-names
>> 75 - clocks
>> 76 - clock-names
>> 77 - interrupts
>> 78 - interrupt-names
83 - power-domains 79 - power-domains
84 - power-domain-names 80 - power-domain-names
>> 81 - iommus
>> 82 - operating-points-v2
85 83
86 additionalProperties: false 84 additionalProperties: false
87 85
88 allOf: 86 allOf:
89 - if: 87 - if:
90 properties: 88 properties:
91 compatible: 89 compatible:
92 contains: 90 contains:
93 enum: 91 enum:
94 - qcom,adreno-gmu-618.0 92 - qcom,adreno-gmu-618.0
95 - qcom,adreno-gmu-630.2 93 - qcom,adreno-gmu-630.2
96 then: 94 then:
97 properties: 95 properties:
98 reg: 96 reg:
99 items: 97 items:
100 - description: Core GMU registers 98 - description: Core GMU registers
101 - description: GMU PDC registers 99 - description: GMU PDC registers
102 - description: GMU PDC sequence re 100 - description: GMU PDC sequence registers
103 reg-names: 101 reg-names:
104 items: 102 items:
105 - const: gmu 103 - const: gmu
106 - const: gmu_pdc 104 - const: gmu_pdc
107 - const: gmu_pdc_seq 105 - const: gmu_pdc_seq
108 clocks: 106 clocks:
109 items: 107 items:
110 - description: GMU clock 108 - description: GMU clock
111 - description: GPU CX clock 109 - description: GPU CX clock
112 - description: GPU AXI clock 110 - description: GPU AXI clock
113 - description: GPU MEMNOC clock 111 - description: GPU MEMNOC clock
114 clock-names: 112 clock-names:
115 items: 113 items:
116 - const: gmu 114 - const: gmu
117 - const: cxo 115 - const: cxo
118 - const: axi 116 - const: axi
119 - const: memnoc 117 - const: memnoc
120 118
121 - if: 119 - if:
122 properties: 120 properties:
123 compatible: 121 compatible:
124 contains: 122 contains:
125 enum: 123 enum:
126 - qcom,adreno-gmu-635.0 124 - qcom,adreno-gmu-635.0
127 - qcom,adreno-gmu-660.1 <<
128 then: 125 then:
129 properties: 126 properties:
130 reg: 127 reg:
131 items: 128 items:
132 - description: Core GMU registers 129 - description: Core GMU registers
133 - description: Resource controller 130 - description: Resource controller registers
134 - description: GMU PDC registers 131 - description: GMU PDC registers
135 reg-names: 132 reg-names:
136 items: 133 items:
137 - const: gmu 134 - const: gmu
138 - const: rscc 135 - const: rscc
139 - const: gmu_pdc 136 - const: gmu_pdc
140 clocks: 137 clocks:
141 items: 138 items:
142 - description: GMU clock 139 - description: GMU clock
143 - description: GPU CX clock 140 - description: GPU CX clock
144 - description: GPU AXI clock 141 - description: GPU AXI clock
145 - description: GPU MEMNOC clock 142 - description: GPU MEMNOC clock
146 - description: GPU AHB clock 143 - description: GPU AHB clock
147 - description: GPU HUB CX clock 144 - description: GPU HUB CX clock
148 - description: GPU SMMU vote clock 145 - description: GPU SMMU vote clock
149 clock-names: 146 clock-names:
150 items: 147 items:
151 - const: gmu 148 - const: gmu
152 - const: cxo 149 - const: cxo
153 - const: axi 150 - const: axi
154 - const: memnoc 151 - const: memnoc
155 - const: ahb 152 - const: ahb
156 - const: hub 153 - const: hub
157 - const: smmu_vote 154 - const: smmu_vote
158 155
159 - if: 156 - if:
160 properties: 157 properties:
161 compatible: 158 compatible:
162 contains: 159 contains:
163 enum: 160 enum:
164 - qcom,adreno-gmu-640.1 161 - qcom,adreno-gmu-640.1
165 then: 162 then:
166 properties: 163 properties:
167 reg: 164 reg:
168 items: 165 items:
169 - description: Core GMU registers 166 - description: Core GMU registers
170 - description: GMU PDC registers 167 - description: GMU PDC registers
171 - description: GMU PDC sequence re 168 - description: GMU PDC sequence registers
172 reg-names: 169 reg-names:
173 items: 170 items:
174 - const: gmu 171 - const: gmu
175 - const: gmu_pdc 172 - const: gmu_pdc
176 - const: gmu_pdc_seq 173 - const: gmu_pdc_seq
177 174
178 - if: 175 - if:
179 properties: 176 properties:
180 compatible: 177 compatible:
181 contains: 178 contains:
182 enum: 179 enum:
183 - qcom,adreno-gmu-650.2 180 - qcom,adreno-gmu-650.2
184 then: 181 then:
185 properties: 182 properties:
186 reg: 183 reg:
187 items: 184 items:
188 - description: Core GMU registers 185 - description: Core GMU registers
189 - description: Resource controller 186 - description: Resource controller registers
190 - description: GMU PDC registers 187 - description: GMU PDC registers
191 - description: GMU PDC sequence re 188 - description: GMU PDC sequence registers
192 reg-names: 189 reg-names:
193 items: 190 items:
194 - const: gmu 191 - const: gmu
195 - const: rscc 192 - const: rscc
196 - const: gmu_pdc 193 - const: gmu_pdc
197 - const: gmu_pdc_seq 194 - const: gmu_pdc_seq
198 195
199 - if: 196 - if:
200 properties: 197 properties:
201 compatible: 198 compatible:
202 contains: 199 contains:
203 enum: 200 enum:
204 - qcom,adreno-gmu-640.1 201 - qcom,adreno-gmu-640.1
205 - qcom,adreno-gmu-650.2 202 - qcom,adreno-gmu-650.2
206 then: 203 then:
207 properties: 204 properties:
208 clocks: 205 clocks:
209 items: 206 items:
210 - description: GPU AHB clock 207 - description: GPU AHB clock
211 - description: GMU clock 208 - description: GMU clock
212 - description: GPU CX clock 209 - description: GPU CX clock
213 - description: GPU AXI clock 210 - description: GPU AXI clock
214 - description: GPU MEMNOC clock 211 - description: GPU MEMNOC clock
215 clock-names: 212 clock-names:
216 items: 213 items:
217 - const: ahb 214 - const: ahb
218 - const: gmu 215 - const: gmu
219 - const: cxo 216 - const: cxo
220 - const: axi 217 - const: axi
221 - const: memnoc 218 - const: memnoc
222 219
223 - if: <<
224 properties: <<
225 compatible: <<
226 contains: <<
227 enum: <<
228 - qcom,adreno-gmu-730.1 <<
229 - qcom,adreno-gmu-740.1 <<
230 - qcom,adreno-gmu-750.1 <<
231 - qcom,adreno-gmu-x185.1 <<
232 then: <<
233 properties: <<
234 reg: <<
235 items: <<
236 - description: Core GMU registers <<
237 - description: Resource controller <<
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 registe <<
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: 220 examples:
289 - | 221 - |
290 #include <dt-bindings/clock/qcom,gpucc-sdm 222 #include <dt-bindings/clock/qcom,gpucc-sdm845.h>
291 #include <dt-bindings/clock/qcom,gcc-sdm84 223 #include <dt-bindings/clock/qcom,gcc-sdm845.h>
292 #include <dt-bindings/interrupt-controller 224 #include <dt-bindings/interrupt-controller/irq.h>
293 #include <dt-bindings/interrupt-controller 225 #include <dt-bindings/interrupt-controller/arm-gic.h>
294 226
295 gmu: gmu@506a000 { 227 gmu: gmu@506a000 {
296 compatible = "qcom,adreno-gmu-630.2", !! 228 compatible="qcom,adreno-gmu-630.2", "qcom,adreno-gmu";
297 229
298 reg = <0x506a000 0x30000>, 230 reg = <0x506a000 0x30000>,
299 <0xb280000 0x10000>, 231 <0xb280000 0x10000>,
300 <0xb480000 0x10000>; 232 <0xb480000 0x10000>;
301 reg-names = "gmu", "gmu_pdc", "gmu_pdc 233 reg-names = "gmu", "gmu_pdc", "gmu_pdc_seq";
302 234
303 clocks = <&gpucc GPU_CC_CX_GMU_CLK>, 235 clocks = <&gpucc GPU_CC_CX_GMU_CLK>,
304 <&gpucc GPU_CC_CXO_CLK>, 236 <&gpucc GPU_CC_CXO_CLK>,
305 <&gcc GCC_DDRSS_GPU_AXI_CLK>, 237 <&gcc GCC_DDRSS_GPU_AXI_CLK>,
306 <&gcc GCC_GPU_MEMNOC_GFX_CLK> 238 <&gcc GCC_GPU_MEMNOC_GFX_CLK>;
307 clock-names = "gmu", "cxo", "axi", "me 239 clock-names = "gmu", "cxo", "axi", "memnoc";
308 240
309 interrupts = <GIC_SPI 304 IRQ_TYPE_LEV 241 interrupts = <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
310 <GIC_SPI 305 IRQ_TYPE_LEV 242 <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
311 interrupt-names = "hfi", "gmu"; 243 interrupt-names = "hfi", "gmu";
312 244
313 power-domains = <&gpucc GPU_CX_GDSC>, 245 power-domains = <&gpucc GPU_CX_GDSC>,
314 <&gpucc GPU_GX_GDSC>; 246 <&gpucc GPU_GX_GDSC>;
315 power-domain-names = "cx", "gx"; 247 power-domain-names = "cx", "gx";
316 248
317 iommus = <&adreno_smmu 5>; 249 iommus = <&adreno_smmu 5>;
318 operating-points-v2 = <&gmu_opp_table> 250 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 }; 251 };
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