rockchip,power-controller.yaml (7410B)
1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/power/rockchip,power-controller.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Rockchip Power Domains 8 9maintainers: 10 - Elaine Zhang <zhangqing@rock-chips.com> 11 - Heiko Stuebner <heiko@sntech.de> 12 13description: | 14 Rockchip processors include support for multiple power domains 15 which can be powered up/down by software based on different 16 application scenarios to save power. 17 18 Power domains contained within power-controller node are 19 generic power domain providers documented in 20 Documentation/devicetree/bindings/power/power-domain.yaml. 21 22 IP cores belonging to a power domain should contain a 23 "power-domains" property that is a phandle for the 24 power domain node representing the domain. 25 26properties: 27 $nodename: 28 const: power-controller 29 30 compatible: 31 enum: 32 - rockchip,px30-power-controller 33 - rockchip,rk3036-power-controller 34 - rockchip,rk3066-power-controller 35 - rockchip,rk3128-power-controller 36 - rockchip,rk3188-power-controller 37 - rockchip,rk3228-power-controller 38 - rockchip,rk3288-power-controller 39 - rockchip,rk3328-power-controller 40 - rockchip,rk3366-power-controller 41 - rockchip,rk3368-power-controller 42 - rockchip,rk3399-power-controller 43 - rockchip,rk3568-power-controller 44 45 "#power-domain-cells": 46 const: 1 47 48 "#address-cells": 49 const: 1 50 51 "#size-cells": 52 const: 0 53 54required: 55 - compatible 56 - "#power-domain-cells" 57 58additionalProperties: false 59 60patternProperties: 61 "^power-domain@[0-9a-f]+$": 62 63 $ref: "#/$defs/pd-node" 64 65 unevaluatedProperties: false 66 67 properties: 68 "#address-cells": 69 const: 1 70 71 "#size-cells": 72 const: 0 73 74 patternProperties: 75 "^power-domain@[0-9a-f]+$": 76 77 $ref: "#/$defs/pd-node" 78 79 unevaluatedProperties: false 80 81 properties: 82 "#address-cells": 83 const: 1 84 85 "#size-cells": 86 const: 0 87 88 patternProperties: 89 "^power-domain@[0-9a-f]+$": 90 91 $ref: "#/$defs/pd-node" 92 93 unevaluatedProperties: false 94 95 properties: 96 "#power-domain-cells": 97 const: 0 98 99$defs: 100 pd-node: 101 type: object 102 description: | 103 Represents the power domains within the power controller node. 104 105 properties: 106 reg: 107 maxItems: 1 108 description: | 109 Power domain index. Valid values are defined in 110 "include/dt-bindings/power/px30-power.h" 111 "include/dt-bindings/power/rk3036-power.h" 112 "include/dt-bindings/power/rk3066-power.h" 113 "include/dt-bindings/power/rk3128-power.h" 114 "include/dt-bindings/power/rk3188-power.h" 115 "include/dt-bindings/power/rk3228-power.h" 116 "include/dt-bindings/power/rk3288-power.h" 117 "include/dt-bindings/power/rk3328-power.h" 118 "include/dt-bindings/power/rk3366-power.h" 119 "include/dt-bindings/power/rk3368-power.h" 120 "include/dt-bindings/power/rk3399-power.h" 121 "include/dt-bindings/power/rk3568-power.h" 122 123 clocks: 124 minItems: 1 125 maxItems: 30 126 description: | 127 A number of phandles to clocks that need to be enabled 128 while power domain switches state. 129 130 pm_qos: 131 $ref: /schemas/types.yaml#/definitions/phandle-array 132 items: 133 maxItems: 1 134 description: | 135 A number of phandles to qos blocks which need to be saved and restored 136 while power domain switches state. 137 138 "#power-domain-cells": 139 enum: [0, 1] 140 description: 141 Must be 0 for nodes representing a single PM domain and 1 for nodes 142 providing multiple PM domains. 143 144 required: 145 - reg 146 - "#power-domain-cells" 147 148examples: 149 - | 150 #include <dt-bindings/clock/rk3399-cru.h> 151 #include <dt-bindings/power/rk3399-power.h> 152 153 soc { 154 #address-cells = <2>; 155 #size-cells = <2>; 156 157 qos_hdcp: qos@ffa90000 { 158 compatible = "rockchip,rk3399-qos", "syscon"; 159 reg = <0x0 0xffa90000 0x0 0x20>; 160 }; 161 162 qos_iep: qos@ffa98000 { 163 compatible = "rockchip,rk3399-qos", "syscon"; 164 reg = <0x0 0xffa98000 0x0 0x20>; 165 }; 166 167 qos_rga_r: qos@ffab0000 { 168 compatible = "rockchip,rk3399-qos", "syscon"; 169 reg = <0x0 0xffab0000 0x0 0x20>; 170 }; 171 172 qos_rga_w: qos@ffab0080 { 173 compatible = "rockchip,rk3399-qos", "syscon"; 174 reg = <0x0 0xffab0080 0x0 0x20>; 175 }; 176 177 qos_video_m0: qos@ffab8000 { 178 compatible = "rockchip,rk3399-qos", "syscon"; 179 reg = <0x0 0xffab8000 0x0 0x20>; 180 }; 181 182 qos_video_m1_r: qos@ffac0000 { 183 compatible = "rockchip,rk3399-qos", "syscon"; 184 reg = <0x0 0xffac0000 0x0 0x20>; 185 }; 186 187 qos_video_m1_w: qos@ffac0080 { 188 compatible = "rockchip,rk3399-qos", "syscon"; 189 reg = <0x0 0xffac0080 0x0 0x20>; 190 }; 191 192 power-management@ff310000 { 193 compatible = "rockchip,rk3399-pmu", "syscon", "simple-mfd"; 194 reg = <0x0 0xff310000 0x0 0x1000>; 195 196 power-controller { 197 compatible = "rockchip,rk3399-power-controller"; 198 #power-domain-cells = <1>; 199 #address-cells = <1>; 200 #size-cells = <0>; 201 202 /* These power domains are grouped by VD_CENTER */ 203 power-domain@RK3399_PD_IEP { 204 reg = <RK3399_PD_IEP>; 205 clocks = <&cru ACLK_IEP>, 206 <&cru HCLK_IEP>; 207 pm_qos = <&qos_iep>; 208 #power-domain-cells = <0>; 209 }; 210 power-domain@RK3399_PD_RGA { 211 reg = <RK3399_PD_RGA>; 212 clocks = <&cru ACLK_RGA>, 213 <&cru HCLK_RGA>; 214 pm_qos = <&qos_rga_r>, 215 <&qos_rga_w>; 216 #power-domain-cells = <0>; 217 }; 218 power-domain@RK3399_PD_VCODEC { 219 reg = <RK3399_PD_VCODEC>; 220 clocks = <&cru ACLK_VCODEC>, 221 <&cru HCLK_VCODEC>; 222 pm_qos = <&qos_video_m0>; 223 #power-domain-cells = <0>; 224 }; 225 power-domain@RK3399_PD_VDU { 226 reg = <RK3399_PD_VDU>; 227 clocks = <&cru ACLK_VDU>, 228 <&cru HCLK_VDU>; 229 pm_qos = <&qos_video_m1_r>, 230 <&qos_video_m1_w>; 231 #power-domain-cells = <0>; 232 }; 233 power-domain@RK3399_PD_VIO { 234 reg = <RK3399_PD_VIO>; 235 #power-domain-cells = <1>; 236 #address-cells = <1>; 237 #size-cells = <0>; 238 239 power-domain@RK3399_PD_HDCP { 240 reg = <RK3399_PD_HDCP>; 241 clocks = <&cru ACLK_HDCP>, 242 <&cru HCLK_HDCP>, 243 <&cru PCLK_HDCP>; 244 pm_qos = <&qos_hdcp>; 245 #power-domain-cells = <0>; 246 }; 247 }; 248 }; 249 }; 250 };