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Linux/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml

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Diff markup

Differences between /Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml (Version linux-6.12-rc7) and /Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml (Version linux-5.5.19)


  1 # SPDX-License-Identifier: GPL-2.0-only             1 # SPDX-License-Identifier: GPL-2.0-only
  2 %YAML 1.2                                           2 %YAML 1.2
  3 ---                                                 3 ---
  4 $id: http://devicetree.org/schemas/gpu/arm,mal      4 $id: http://devicetree.org/schemas/gpu/arm,mali-bifrost.yaml#
  5 $schema: http://devicetree.org/meta-schemas/co      5 $schema: http://devicetree.org/meta-schemas/core.yaml#
  6                                                     6 
  7 title: ARM Mali Bifrost GPU                         7 title: ARM Mali Bifrost GPU
  8                                                     8 
  9 maintainers:                                        9 maintainers:
 10   - Rob Herring <robh@kernel.org>                   10   - Rob Herring <robh@kernel.org>
 11                                                    11 
 12 properties:                                        12 properties:
 13   $nodename:                                       13   $nodename:
 14     pattern: '^gpu@[a-f0-9]+$'                     14     pattern: '^gpu@[a-f0-9]+$'
 15                                                    15 
 16   compatible:                                      16   compatible:
 17     oneOf:                                     !!  17     items:
 18       - items:                                 !!  18       - enum:
 19           - enum:                              !!  19           - amlogic,meson-g12a-mali
 20               - amlogic,meson-g12a-mali        !!  20           - realtek,rtd1619-mali
 21               - mediatek,mt8183-mali           !!  21       - const: arm,mali-bifrost # Mali Bifrost GPU model/revision is fully discoverable
 22               - mediatek,mt8183b-mali          << 
 23               - mediatek,mt8186-mali           << 
 24               - realtek,rtd1619-mali           << 
 25               - renesas,r9a07g044-mali         << 
 26               - renesas,r9a07g054-mali         << 
 27               - rockchip,px30-mali             << 
 28               - rockchip,rk3568-mali           << 
 29           - const: arm,mali-bifrost # Mali Bif << 
 30       - items:                                 << 
 31           - enum:                              << 
 32               - mediatek,mt8195-mali           << 
 33           - const: mediatek,mt8192-mali        << 
 34           - const: arm,mali-valhall-jm # Mali  << 
 35       - items:                                 << 
 36           - enum:                              << 
 37               - mediatek,mt8188-mali           << 
 38               - mediatek,mt8192-mali           << 
 39           - const: arm,mali-valhall-jm # Mali  << 
 40                                                    22 
 41   reg:                                             23   reg:
 42     maxItems: 1                                    24     maxItems: 1
 43                                                    25 
 44   interrupts:                                      26   interrupts:
 45     minItems: 3                                << 
 46     items:                                         27     items:
 47       - description: Job interrupt                 28       - description: Job interrupt
 48       - description: MMU interrupt                 29       - description: MMU interrupt
 49       - description: GPU interrupt                 30       - description: GPU interrupt
 50       - description: Event interrupt           << 
 51                                                    31 
 52   interrupt-names:                                 32   interrupt-names:
 53     minItems: 3                                << 
 54     items:                                         33     items:
 55       - const: job                                 34       - const: job
 56       - const: mmu                                 35       - const: mmu
 57       - const: gpu                                 36       - const: gpu
 58       - const: event                           << 
 59                                                    37 
 60   clocks:                                          38   clocks:
 61     minItems: 1                                !!  39     maxItems: 1
 62     maxItems: 3                                << 
 63                                                << 
 64   clock-names: true                            << 
 65                                                    40 
 66   mali-supply: true                                41   mali-supply: true
 67                                                    42 
 68   sram-supply: true                            << 
 69                                                << 
 70   operating-points-v2: true                        43   operating-points-v2: true
 71                                                    44 
 72   power-domains:                               << 
 73     minItems: 1                                << 
 74     maxItems: 5                                << 
 75                                                << 
 76   power-domain-names:                          << 
 77     minItems: 2                                << 
 78     maxItems: 5                                << 
 79                                                << 
 80   resets:                                      << 
 81     minItems: 1                                << 
 82     maxItems: 3                                << 
 83                                                << 
 84   reset-names: true                            << 
 85                                                << 
 86   "#cooling-cells":                            << 
 87     const: 2                                   << 
 88                                                << 
 89   dynamic-power-coefficient:                   << 
 90     $ref: /schemas/types.yaml#/definitions/uin << 
 91     description:                               << 
 92       A u32 value that represents the running  << 
 93       power coefficient in units of uW/MHz/V^2 << 
 94       coefficient can either be calculated fro << 
 95       measurements or derived by analysis.     << 
 96                                                << 
 97       The dynamic power consumption of the GPU << 
 98       proportional to the square of the Voltag << 
 99       the clock frequency (f). The coefficient << 
100       calculate the dynamic power as below -   << 
101                                                << 
102       Pdyn = dynamic-power-coefficient * V^2 * << 
103                                                << 
104       where voltage is in V, frequency is in M << 
105                                                << 
106   dma-coherent: true                           << 
107                                                << 
108   nvmem-cell-names:                            << 
109     items:                                     << 
110       - const: speed-bin                       << 
111                                                << 
112   nvmem-cells:                                 << 
113     maxItems: 1                                << 
114                                                << 
115 required:                                          45 required:
116   - compatible                                     46   - compatible
117   - reg                                            47   - reg
118   - interrupts                                     48   - interrupts
119   - interrupt-names                                49   - interrupt-names
120   - clocks                                         50   - clocks
121                                                    51 
122 additionalProperties: false                    << 
123                                                << 
124 allOf:                                             52 allOf:
125   - if:                                            53   - if:
126       properties:                                  54       properties:
127         compatible:                                55         compatible:
128           contains:                                56           contains:
129             const: amlogic,meson-g12a-mali         57             const: amlogic,meson-g12a-mali
130     then:                                          58     then:
131       properties:                                  59       properties:
132         power-domains:                         << 
133           maxItems: 1                          << 
134         power-domain-names: false              << 
135       required:                                << 
136         - resets                               << 
137   - if:                                        << 
138       properties:                              << 
139         compatible:                            << 
140           contains:                            << 
141             enum:                              << 
142               - renesas,r9a07g044-mali         << 
143               - renesas,r9a07g054-mali         << 
144     then:                                      << 
145       properties:                              << 
146         interrupts:                            << 
147           minItems: 4                          << 
148         interrupt-names:                       << 
149           minItems: 4                          << 
150         clocks:                                << 
151           minItems: 3                          << 
152         clock-names:                           << 
153           items:                               << 
154             - const: gpu                       << 
155             - const: bus                       << 
156             - const: bus_ace                   << 
157         power-domains:                         << 
158           maxItems: 1                          << 
159         power-domain-names: false              << 
160         resets:                                    60         resets:
161           minItems: 3                          << 
162         reset-names:                           << 
163           items:                               << 
164             - const: rst                       << 
165             - const: axi_rst                   << 
166             - const: ace_rst                   << 
167       required:                                << 
168         - clock-names                          << 
169         - power-domains                        << 
170         - resets                               << 
171         - reset-names                          << 
172   - if:                                        << 
173       properties:                              << 
174         compatible:                            << 
175           contains:                            << 
176             const: mediatek,mt8183-mali        << 
177     then:                                      << 
178       properties:                              << 
179         power-domains:                         << 
180           minItems: 3                          << 
181           maxItems: 3                          << 
182         power-domain-names:                    << 
183           items:                               << 
184             - const: core0                     << 
185             - const: core1                     << 
186             - const: core2                     << 
187                                                << 
188       required:                                << 
189         - sram-supply                          << 
190         - power-domains                        << 
191         - power-domain-names                   << 
192     else:                                      << 
193       properties:                              << 
194         sram-supply: false                     << 
195   - if:                                        << 
196       properties:                              << 
197         compatible:                            << 
198           contains:                            << 
199             enum:                              << 
200               - mediatek,mt8183b-mali          << 
201               - mediatek,mt8188-mali           << 
202     then:                                      << 
203       properties:                              << 
204         power-domains:                         << 
205           minItems: 3                          << 
206           maxItems: 3                          << 
207         power-domain-names:                    << 
208           items:                               << 
209             - const: core0                     << 
210             - const: core1                     << 
211             - const: core2                     << 
212       required:                                << 
213         - power-domains                        << 
214         - power-domain-names                   << 
215   - if:                                        << 
216       properties:                              << 
217         compatible:                            << 
218           contains:                            << 
219             const: mediatek,mt8186-mali        << 
220     then:                                      << 
221       properties:                              << 
222         power-domains:                         << 
223           minItems: 2                              61           minItems: 2
224           maxItems: 2                          << 
225         power-domain-names:                    << 
226           items:                               << 
227             - const: core0                     << 
228             - const: core1                     << 
229       required:                                    62       required:
230         - power-domains                        !!  63         - resets
231         - power-domain-names                   << 
232   - if:                                        << 
233       properties:                              << 
234         compatible:                            << 
235           contains:                            << 
236             const: mediatek,mt8192-mali        << 
237     then:                                      << 
238       properties:                              << 
239         power-domains:                         << 
240           minItems: 5                          << 
241         power-domain-names:                    << 
242           items:                               << 
243             - const: core0                     << 
244             - const: core1                     << 
245             - const: core2                     << 
246             - const: core3                     << 
247             - const: core4                     << 
248       required:                                << 
249         - power-domains                        << 
250         - power-domain-names                   << 
251   - if:                                        << 
252       properties:                              << 
253         compatible:                            << 
254           contains:                            << 
255             const: rockchip,rk3568-mali        << 
256     then:                                      << 
257       properties:                              << 
258         clocks:                                << 
259           minItems: 2                          << 
260         clock-names:                           << 
261           items:                               << 
262             - const: gpu                       << 
263             - const: bus                       << 
264         power-domains:                         << 
265           maxItems: 1                          << 
266         power-domain-names: false              << 
267       required:                                << 
268         - clock-names                          << 
269                                                    64 
270 examples:                                          65 examples:
271   - |                                              66   - |
272     #include <dt-bindings/interrupt-controller     67     #include <dt-bindings/interrupt-controller/irq.h>
273     #include <dt-bindings/interrupt-controller     68     #include <dt-bindings/interrupt-controller/arm-gic.h>
274                                                    69 
275     gpu@ffe40000 {                                 70     gpu@ffe40000 {
276       compatible = "amlogic,meson-g12a-mali",      71       compatible = "amlogic,meson-g12a-mali", "arm,mali-bifrost";
277       reg = <0xffe40000 0x10000>;                  72       reg = <0xffe40000 0x10000>;
278       interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL     73       interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
279              <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>     74              <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
280              <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>     75              <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>;
281       interrupt-names = "job", "mmu", "gpu";       76       interrupt-names = "job", "mmu", "gpu";
282       clocks = <&clk 1>;                           77       clocks = <&clk 1>;
283       mali-supply = <&vdd_gpu>;                    78       mali-supply = <&vdd_gpu>;
284       operating-points-v2 = <&gpu_opp_table>;      79       operating-points-v2 = <&gpu_opp_table>;
285       resets = <&reset 0>, <&reset 1>;             80       resets = <&reset 0>, <&reset 1>;
286     };                                             81     };
287                                                    82 
288     gpu_opp_table: opp-table {                 !!  83     gpu_opp_table: opp_table0 {
289       compatible = "operating-points-v2";          84       compatible = "operating-points-v2";
290                                                    85 
291       opp-533000000 {                          !!  86       opp@533000000 {
292         opp-hz = /bits/ 64 <533000000>;            87         opp-hz = /bits/ 64 <533000000>;
293         opp-microvolt = <1250000>;                 88         opp-microvolt = <1250000>;
294       };                                           89       };
295       opp-450000000 {                          !!  90       opp@450000000 {
296         opp-hz = /bits/ 64 <450000000>;            91         opp-hz = /bits/ 64 <450000000>;
297         opp-microvolt = <1150000>;                 92         opp-microvolt = <1150000>;
298       };                                           93       };
299       opp-400000000 {                          !!  94       opp@400000000 {
300         opp-hz = /bits/ 64 <400000000>;            95         opp-hz = /bits/ 64 <400000000>;
301         opp-microvolt = <1125000>;                 96         opp-microvolt = <1125000>;
302       };                                           97       };
303       opp-350000000 {                          !!  98       opp@350000000 {
304         opp-hz = /bits/ 64 <350000000>;            99         opp-hz = /bits/ 64 <350000000>;
305         opp-microvolt = <1075000>;                100         opp-microvolt = <1075000>;
306       };                                          101       };
307       opp-266000000 {                          !! 102       opp@266000000 {
308         opp-hz = /bits/ 64 <266000000>;           103         opp-hz = /bits/ 64 <266000000>;
309         opp-microvolt = <1025000>;                104         opp-microvolt = <1025000>;
310       };                                          105       };
311       opp-160000000 {                          !! 106       opp@160000000 {
312         opp-hz = /bits/ 64 <160000000>;           107         opp-hz = /bits/ 64 <160000000>;
313         opp-microvolt = <925000>;                 108         opp-microvolt = <925000>;
314       };                                          109       };
315       opp-100000000 {                          !! 110       opp@100000000 {
316         opp-hz = /bits/ 64 <100000000>;           111         opp-hz = /bits/ 64 <100000000>;
317         opp-microvolt = <912500>;                 112         opp-microvolt = <912500>;
318       };                                          113       };
319     };                                            114     };
320                                                   115 
321 ...                                               116 ...
                                                      

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