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 - samsung,exynos5250-mali
20 - const: arm,mali-t604 20 - const: arm,mali-t604
21 - items: 21 - items:
22 - enum: 22 - enum:
23 - samsung,exynos5420-mali 23 - samsung,exynos5420-mali
24 - const: arm,mali-t628 24 - const: arm,mali-t628
25 - items: 25 - items:
26 - enum: 26 - enum:
27 - allwinner,sun50i-h6-mali 27 - allwinner,sun50i-h6-mali
28 - const: arm,mali-t720 28 - const: arm,mali-t720
29 - items: 29 - items:
30 - enum: 30 - enum:
31 - amlogic,meson-gxm-mali 31 - amlogic,meson-gxm-mali
32 - realtek,rtd1295-mali 32 - realtek,rtd1295-mali
33 - const: arm,mali-t820 33 - const: arm,mali-t820
34 - items: 34 - items:
35 - enum: 35 - enum:
36 - arm,juno-mali 36 - arm,juno-mali
37 - const: arm,mali-t624 37 - const: arm,mali-t624
38 - items: 38 - items:
39 - enum: 39 - enum:
40 - rockchip,rk3288-mali 40 - rockchip,rk3288-mali
41 - samsung,exynos5433-mali 41 - samsung,exynos5433-mali
42 - const: arm,mali-t760 42 - const: arm,mali-t760
43 - items: 43 - items:
44 - enum: 44 - enum:
45 - samsung,exynos7-mali <<
46 - const: samsung,exynos5433-mali <<
47 - const: arm,mali-t760 <<
48 - items: <<
49 - enum: <<
50 - rockchip,rk3399-mali 45 - rockchip,rk3399-mali
51 - const: arm,mali-t860 46 - const: arm,mali-t860
52 47
53 # "arm,mali-t830" 48 # "arm,mali-t830"
54 # "arm,mali-t880" 49 # "arm,mali-t880"
55 50
56 reg: 51 reg:
57 maxItems: 1 52 maxItems: 1
58 53
59 interrupts: 54 interrupts:
60 items: 55 items:
61 - description: Job interrupt 56 - description: Job interrupt
62 - description: MMU interrupt 57 - description: MMU interrupt
63 - description: GPU interrupt 58 - description: GPU interrupt
64 59
65 interrupt-names: 60 interrupt-names:
66 items: 61 items:
67 - const: job 62 - const: job
68 - const: mmu 63 - const: mmu
69 - const: gpu 64 - const: gpu
70 65
71 clocks: 66 clocks:
72 minItems: 1 67 minItems: 1
73 maxItems: 2 68 maxItems: 2
74 69
75 clock-names: 70 clock-names:
76 minItems: 1 71 minItems: 1
77 items: 72 items:
78 - const: core 73 - const: core
79 - const: bus 74 - const: bus
80 75
81 mali-supply: true 76 mali-supply: true
82 opp-table: !! 77 opp-table: true
83 type: object <<
84 78
85 power-domains: 79 power-domains:
86 maxItems: 1 80 maxItems: 1
87 81
88 resets: 82 resets:
89 minItems: 1 83 minItems: 1
90 maxItems: 2 84 maxItems: 2
91 85
92 operating-points-v2: true 86 operating-points-v2: true
93 87
94 "#cooling-cells": 88 "#cooling-cells":
95 const: 2 89 const: 2
96 90
97 dma-coherent: true 91 dma-coherent: true
98 92
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: 93 required:
117 - compatible 94 - compatible
118 - reg 95 - reg
119 - interrupts 96 - interrupts
120 - interrupt-names 97 - interrupt-names
121 - clocks 98 - clocks
122 99
123 additionalProperties: false 100 additionalProperties: false
124 101
125 allOf: 102 allOf:
126 - if: 103 - if:
127 properties: 104 properties:
128 compatible: 105 compatible:
129 contains: 106 contains:
130 const: allwinner,sun50i-h6-mali 107 const: allwinner,sun50i-h6-mali
131 then: 108 then:
132 properties: 109 properties:
133 clocks: 110 clocks:
134 minItems: 2 111 minItems: 2
135 required: 112 required:
136 - clock-names 113 - clock-names
137 - resets 114 - resets
138 - if: 115 - if:
139 properties: 116 properties:
140 compatible: 117 compatible:
141 contains: 118 contains:
142 const: amlogic,meson-gxm-mali 119 const: amlogic,meson-gxm-mali
143 then: 120 then:
144 properties: 121 properties:
145 resets: 122 resets:
146 minItems: 2 123 minItems: 2
147 required: 124 required:
148 - resets 125 - resets
149 126
150 examples: 127 examples:
151 - | 128 - |
152 #include <dt-bindings/interrupt-controller 129 #include <dt-bindings/interrupt-controller/irq.h>
153 #include <dt-bindings/interrupt-controller 130 #include <dt-bindings/interrupt-controller/arm-gic.h>
154 131
155 gpu@ffa30000 { 132 gpu@ffa30000 {
156 compatible = "rockchip,rk3288-mali", "ar 133 compatible = "rockchip,rk3288-mali", "arm,mali-t760";
157 reg = <0xffa30000 0x10000>; 134 reg = <0xffa30000 0x10000>;
158 interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_H 135 interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
159 <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>, 136 <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
160 <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; 137 <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
161 interrupt-names = "job", "mmu", "gpu"; 138 interrupt-names = "job", "mmu", "gpu";
162 clocks = <&cru 0>; 139 clocks = <&cru 0>;
163 mali-supply = <&vdd_gpu>; 140 mali-supply = <&vdd_gpu>;
164 operating-points-v2 = <&gpu_opp_table>; 141 operating-points-v2 = <&gpu_opp_table>;
165 power-domains = <&power 0>; 142 power-domains = <&power 0>;
166 #cooling-cells = <2>; 143 #cooling-cells = <2>;
167 }; 144 };
168 145
169 gpu_opp_table: opp-table { !! 146 gpu_opp_table: opp_table0 {
170 compatible = "operating-points-v2"; 147 compatible = "operating-points-v2";
171 148
172 opp-533000000 { 149 opp-533000000 {
173 opp-hz = /bits/ 64 <533000000>; 150 opp-hz = /bits/ 64 <533000000>;
174 opp-microvolt = <1250000>; 151 opp-microvolt = <1250000>;
175 }; 152 };
176 opp-450000000 { 153 opp-450000000 {
177 opp-hz = /bits/ 64 <450000000>; 154 opp-hz = /bits/ 64 <450000000>;
178 opp-microvolt = <1150000>; 155 opp-microvolt = <1150000>;
179 }; 156 };
180 opp-400000000 { 157 opp-400000000 {
181 opp-hz = /bits/ 64 <400000000>; 158 opp-hz = /bits/ 64 <400000000>;
182 opp-microvolt = <1125000>; 159 opp-microvolt = <1125000>;
183 }; 160 };
184 opp-350000000 { 161 opp-350000000 {
185 opp-hz = /bits/ 64 <350000000>; 162 opp-hz = /bits/ 64 <350000000>;
186 opp-microvolt = <1075000>; 163 opp-microvolt = <1075000>;
187 }; 164 };
188 opp-266000000 { 165 opp-266000000 {
189 opp-hz = /bits/ 64 <266000000>; 166 opp-hz = /bits/ 64 <266000000>;
190 opp-microvolt = <1025000>; 167 opp-microvolt = <1025000>;
191 }; 168 };
192 opp-160000000 { 169 opp-160000000 {
193 opp-hz = /bits/ 64 <160000000>; 170 opp-hz = /bits/ 64 <160000000>;
194 opp-microvolt = <925000>; 171 opp-microvolt = <925000>;
195 }; 172 };
196 opp-100000000 { 173 opp-100000000 {
197 opp-hz = /bits/ 64 <100000000>; 174 opp-hz = /bits/ 64 <100000000>;
198 opp-microvolt = <912500>; 175 opp-microvolt = <912500>;
199 }; 176 };
200 }; 177 };
201 178
202 ... 179 ...
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