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-midgard.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: ARM Mali Midgard GPU 7 title: ARM Mali Midgard 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 compatible: 15 compatible:
16 oneOf: 16 oneOf:
17 - items: 17 - items:
18 - enum: 18 - enum:
19 - samsung,exynos5250-mali !! 19 - allwinner,sun50i-h6-mali
20 - const: arm,mali-t604 <<
21 - items: <<
22 - enum: <<
23 - samsung,exynos5420-mali <<
24 - const: arm,mali-t628 <<
25 - items: <<
26 - enum: <<
27 - allwinner,sun50i-h6-mali <<
28 - const: arm,mali-t720 20 - const: arm,mali-t720
29 - items: 21 - items:
30 - enum: 22 - enum:
31 - amlogic,meson-gxm-mali !! 23 - amlogic,meson-gxm-mali
32 - realtek,rtd1295-mali <<
33 - const: arm,mali-t820 24 - const: arm,mali-t820
34 - items: 25 - items:
35 - enum: 26 - enum:
36 - arm,juno-mali !! 27 - rockchip,rk3288-mali
37 - const: arm,mali-t624 !! 28 - const: arm,mali-t760
38 - items: 29 - items:
39 - enum: 30 - enum:
40 - rockchip,rk3288-mali !! 31 - rockchip,rk3399-mali
41 - samsung,exynos5433-mali !! 32 - const: arm,mali-t860
42 - const: arm,mali-t760 <<
43 - items: 33 - items:
44 - enum: 34 - enum:
45 - samsung,exynos7-mali !! 35 - samsung,exynos5250-mali
46 - const: samsung,exynos5433-mali !! 36 - const: arm,mali-t604
47 - const: arm,mali-t760 <<
48 - items: 37 - items:
49 - enum: 38 - enum:
50 - rockchip,rk3399-mali !! 39 - samsung,exynos5433-mali
51 - const: arm,mali-t860 !! 40 - const: arm,mali-t760
52 41
>> 42 # "arm,mali-t624"
>> 43 # "arm,mali-t628"
53 # "arm,mali-t830" 44 # "arm,mali-t830"
54 # "arm,mali-t880" 45 # "arm,mali-t880"
55 46
56 reg: 47 reg:
57 maxItems: 1 48 maxItems: 1
58 49
59 interrupts: 50 interrupts:
60 items: 51 items:
61 - description: Job interrupt 52 - description: Job interrupt
62 - description: MMU interrupt 53 - description: MMU interrupt
63 - description: GPU interrupt 54 - description: GPU interrupt
64 55
65 interrupt-names: 56 interrupt-names:
66 items: 57 items:
67 - const: job 58 - const: job
68 - const: mmu 59 - const: mmu
69 - const: gpu 60 - const: gpu
70 61
71 clocks: 62 clocks:
72 minItems: 1 63 minItems: 1
73 maxItems: 2 64 maxItems: 2
74 65
75 clock-names: 66 clock-names:
76 minItems: 1 67 minItems: 1
77 items: 68 items:
78 - const: core 69 - const: core
79 - const: bus 70 - const: bus
80 71
81 mali-supply: true !! 72 mali-supply:
82 opp-table: <<
83 type: object <<
84 <<
85 power-domains: <<
86 maxItems: 1 73 maxItems: 1
87 74
88 resets: 75 resets:
89 minItems: 1 76 minItems: 1
90 maxItems: 2 77 maxItems: 2
91 78
92 operating-points-v2: true 79 operating-points-v2: true
93 80
94 "#cooling-cells": 81 "#cooling-cells":
95 const: 2 82 const: 2
96 83
97 dma-coherent: true <<
98 <<
99 dynamic-power-coefficient: <<
100 $ref: /schemas/types.yaml#/definitions/uin <<
101 description: <<
102 A u32 value that represents the running <<
103 power coefficient in units of uW/MHz/V^2 <<
104 coefficient can either be calculated fro <<
105 measurements or derived by analysis. <<
106 <<
107 The dynamic power consumption of the GPU <<
108 proportional to the square of the Voltag <<
109 the clock frequency (f). The coefficient <<
110 calculate the dynamic power as below - <<
111 <<
112 Pdyn = dynamic-power-coefficient * V^2 * <<
113 <<
114 where voltage is in V, frequency is in M <<
115 <<
116 required: 84 required:
117 - compatible 85 - compatible
118 - reg 86 - reg
119 - interrupts 87 - interrupts
120 - interrupt-names 88 - interrupt-names
121 - clocks 89 - clocks
122 90
123 additionalProperties: false <<
124 <<
125 allOf: 91 allOf:
126 - if: 92 - if:
127 properties: 93 properties:
128 compatible: 94 compatible:
129 contains: 95 contains:
130 const: allwinner,sun50i-h6-mali 96 const: allwinner,sun50i-h6-mali
131 then: 97 then:
132 properties: 98 properties:
133 clocks: 99 clocks:
134 minItems: 2 100 minItems: 2
135 required: 101 required:
136 - clock-names 102 - clock-names
137 - resets 103 - resets
138 - if: 104 - if:
139 properties: 105 properties:
140 compatible: 106 compatible:
141 contains: 107 contains:
142 const: amlogic,meson-gxm-mali 108 const: amlogic,meson-gxm-mali
143 then: 109 then:
144 properties: 110 properties:
145 resets: 111 resets:
146 minItems: 2 112 minItems: 2
147 required: 113 required:
148 - resets 114 - resets
149 115
150 examples: 116 examples:
151 - | 117 - |
152 #include <dt-bindings/interrupt-controller 118 #include <dt-bindings/interrupt-controller/irq.h>
153 #include <dt-bindings/interrupt-controller 119 #include <dt-bindings/interrupt-controller/arm-gic.h>
154 120
155 gpu@ffa30000 { 121 gpu@ffa30000 {
156 compatible = "rockchip,rk3288-mali", "ar 122 compatible = "rockchip,rk3288-mali", "arm,mali-t760";
157 reg = <0xffa30000 0x10000>; 123 reg = <0xffa30000 0x10000>;
158 interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_H 124 interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
159 <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, 125 <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
160 <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; 126 <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
161 interrupt-names = "job", "mmu", "gpu"; 127 interrupt-names = "job", "mmu", "gpu";
162 clocks = <&cru 0>; 128 clocks = <&cru 0>;
163 mali-supply = <&vdd_gpu>; 129 mali-supply = <&vdd_gpu>;
164 operating-points-v2 = <&gpu_opp_table>; 130 operating-points-v2 = <&gpu_opp_table>;
165 power-domains = <&power 0>; 131 power-domains = <&power 0>;
166 #cooling-cells = <2>; 132 #cooling-cells = <2>;
167 }; 133 };
168 134
169 gpu_opp_table: opp-table { !! 135 gpu_opp_table: opp_table0 {
170 compatible = "operating-points-v2"; 136 compatible = "operating-points-v2";
171 137
172 opp-533000000 { !! 138 opp@533000000 {
173 opp-hz = /bits/ 64 <533000000>; 139 opp-hz = /bits/ 64 <533000000>;
174 opp-microvolt = <1250000>; 140 opp-microvolt = <1250000>;
175 }; 141 };
176 opp-450000000 { !! 142 opp@450000000 {
177 opp-hz = /bits/ 64 <450000000>; 143 opp-hz = /bits/ 64 <450000000>;
178 opp-microvolt = <1150000>; 144 opp-microvolt = <1150000>;
179 }; 145 };
180 opp-400000000 { !! 146 opp@400000000 {
181 opp-hz = /bits/ 64 <400000000>; 147 opp-hz = /bits/ 64 <400000000>;
182 opp-microvolt = <1125000>; 148 opp-microvolt = <1125000>;
183 }; 149 };
184 opp-350000000 { !! 150 opp@350000000 {
185 opp-hz = /bits/ 64 <350000000>; 151 opp-hz = /bits/ 64 <350000000>;
186 opp-microvolt = <1075000>; 152 opp-microvolt = <1075000>;
187 }; 153 };
188 opp-266000000 { !! 154 opp@266000000 {
189 opp-hz = /bits/ 64 <266000000>; 155 opp-hz = /bits/ 64 <266000000>;
190 opp-microvolt = <1025000>; 156 opp-microvolt = <1025000>;
191 }; 157 };
192 opp-160000000 { !! 158 opp@160000000 {
193 opp-hz = /bits/ 64 <160000000>; 159 opp-hz = /bits/ 64 <160000000>;
194 opp-microvolt = <925000>; 160 opp-microvolt = <925000>;
195 }; 161 };
196 opp-100000000 { !! 162 opp@100000000 {
197 opp-hz = /bits/ 64 <100000000>; 163 opp-hz = /bits/ 64 <100000000>;
198 opp-microvolt = <912500>; 164 opp-microvolt = <912500>;
199 }; 165 };
200 }; 166 };
201 167
202 ... 168 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.