1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/mfd/syscon.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: System Controller Devices 8 9description: | 10 System controller node represents a register region containing a set 11 of miscellaneous registers. The registers are not cohesive enough to 12 represent as any specific type of device. The typical use-case is 13 for some other node's driver, or platform-specific code, to acquire 14 a reference to the syscon node (e.g. by phandle, node path, or 15 search using a specific compatible value), interrogate the node (or 16 associated OS driver) to determine the location of the registers, 17 and access the registers directly. 18 19maintainers: 20 - Lee Jones <lee@kernel.org> 21 22# Need a select with all compatibles listed for compatibility with older 23# dtschema (<2024.02), so this will not be selected for other schemas having 24# syscon fallback. 25select: 26 properties: 27 compatible: 28 contains: 29 enum: 30 - airoha,en7581-pbus-csr 31 - al,alpine-sysfabric-service 32 - allwinner,sun8i-a83t-system-controller 33 - allwinner,sun8i-h3-system-controller 34 - allwinner,sun8i-v3s-system-controller 35 - allwinner,sun50i-a64-system-controller 36 - altr,l3regs 37 - altr,sdr-ctl 38 - amd,pensando-elba-syscon 39 - amlogic,meson-mx-assist 40 - amlogic,meson-mx-bootrom 41 - amlogic,meson8-analog-top 42 - amlogic,meson8b-analog-top 43 - amlogic,meson8-pmu 44 - amlogic,meson8b-pmu 45 - apm,merlin-poweroff-mailbox 46 - apm,mustang-poweroff-mailbox 47 - apm,xgene-csw 48 - apm,xgene-efuse 49 - apm,xgene-mcb 50 - apm,xgene-rb 51 - apm,xgene-scu 52 - atmel,sama5d2-sfrbu 53 - atmel,sama5d3-nfc-io 54 - atmel,sama5d3-sfrbu 55 - atmel,sama5d4-sfrbu 56 - axis,artpec6-syscon 57 - brcm,cru-clkset 58 - brcm,sr-cdru 59 - brcm,sr-mhb 60 - cirrus,ep7209-syscon1 61 - cirrus,ep7209-syscon2 62 - cirrus,ep7209-syscon3 63 - cnxt,cx92755-uc 64 - freecom,fsg-cs2-system-controller 65 - fsl,imx93-aonmix-ns-syscfg 66 - fsl,imx93-wakeupmix-syscfg 67 - fsl,ls1088a-reset 68 - fsl,vf610-anatop 69 - fsl,vf610-mscm-cpucfg 70 - hisilicon,dsa-subctrl 71 - hisilicon,hi6220-sramctrl 72 - hisilicon,hip04-ppe 73 - hisilicon,pcie-sas-subctrl 74 - hisilicon,peri-subctrl 75 - hpe,gxp-sysreg 76 - loongson,ls1b-syscon 77 - loongson,ls1c-syscon 78 - lsi,axxia-syscon 79 - marvell,armada-3700-cpu-misc 80 - marvell,armada-3700-nb-pm 81 - marvell,armada-3700-avs 82 - marvell,armada-3700-usb2-host-device-misc 83 - marvell,armada-3700-usb2-host-misc 84 - marvell,dove-global-config 85 - mediatek,mt2701-pctl-a-syscfg 86 - mediatek,mt2712-pctl-a-syscfg 87 - mediatek,mt6397-pctl-pmic-syscfg 88 - mediatek,mt7981-topmisc 89 - mediatek,mt7988-topmisc 90 - mediatek,mt8135-pctl-a-syscfg 91 - mediatek,mt8135-pctl-b-syscfg 92 - mediatek,mt8173-pctl-a-syscfg 93 - mediatek,mt8365-syscfg 94 - microchip,lan966x-cpu-syscon 95 - microchip,mpfs-control-scb 96 - microchip,mpfs-sysreg-scb 97 - microchip,sam9x60-sfr 98 - microchip,sama7d65-ddr3phy 99 - microchip,sama7d65-sfrbu 100 - microchip,sama7g5-ddr3phy 101 - mscc,ocelot-cpu-syscon 102 - mstar,msc313-pmsleep 103 - nuvoton,ma35d1-sys 104 - nuvoton,wpcm450-shm 105 - qcom,apq8064-mmss-sfpb 106 - qcom,apq8064-sps-sic 107 - rockchip,px30-qos 108 - rockchip,rk3036-qos 109 - rockchip,rk3066-qos 110 - rockchip,rk3128-qos 111 - rockchip,rk3228-qos 112 - rockchip,rk3288-qos 113 - rockchip,rk3368-qos 114 - rockchip,rk3399-qos 115 - rockchip,rk3528-qos 116 - rockchip,rk3562-qos 117 - rockchip,rk3568-qos 118 - rockchip,rk3576-qos 119 - rockchip,rk3588-qos 120 - rockchip,rv1126-qos 121 - st,spear1340-misc 122 - stericsson,nomadik-pmu 123 - starfive,jh7100-sysmain 124 - ti,am62-opp-efuse-table 125 - ti,am62-usb-phy-ctrl 126 - ti,am625-dss-oldi-io-ctrl 127 - ti,am62p-cpsw-mac-efuse 128 - ti,am654-dss-oldi-io-ctrl 129 - ti,j784s4-acspcie-proxy-ctrl 130 - ti,j784s4-pcie-ctrl 131 - ti,keystone-pllctrl 132 required: 133 - compatible 134 135properties: 136 compatible: 137 oneOf: 138 - items: 139 - enum: 140 - airoha,en7581-pbus-csr 141 - al,alpine-sysfabric-service 142 - allwinner,sun8i-a83t-system-controller 143 - allwinner,sun8i-h3-system-controller 144 - allwinner,sun8i-v3s-system-controller 145 - allwinner,sun50i-a64-system-controller 146 - altr,l3regs 147 - altr,sdr-ctl 148 - amd,pensando-elba-syscon 149 - amlogic,meson-mx-assist 150 - amlogic,meson-mx-bootrom 151 - amlogic,meson8-analog-top 152 - amlogic,meson8b-analog-top 153 - amlogic,meson8-pmu 154 - amlogic,meson8b-pmu 155 - apm,merlin-poweroff-mailbox 156 - apm,mustang-poweroff-mailbox 157 - apm,xgene-csw 158 - apm,xgene-efuse 159 - apm,xgene-mcb 160 - apm,xgene-rb 161 - apm,xgene-scu 162 - atmel,sama5d2-sfrbu 163 - atmel,sama5d3-nfc-io 164 - atmel,sama5d3-sfrbu 165 - atmel,sama5d4-sfrbu 166 - axis,artpec6-syscon 167 - brcm,cru-clkset 168 - brcm,sr-cdru 169 - brcm,sr-mhb 170 - cirrus,ep7209-syscon1 171 - cirrus,ep7209-syscon2 172 - cirrus,ep7209-syscon3 173 - cnxt,cx92755-uc 174 - freecom,fsg-cs2-system-controller 175 - fsl,imx93-aonmix-ns-syscfg 176 - fsl,imx93-wakeupmix-syscfg 177 - fsl,ls1088a-reset 178 - fsl,vf610-anatop 179 - fsl,vf610-mscm-cpucfg 180 - hisilicon,dsa-subctrl 181 - hisilicon,hi6220-sramctrl 182 - hisilicon,hip04-ppe 183 - hisilicon,pcie-sas-subctrl 184 - hisilicon,peri-subctrl 185 - hpe,gxp-sysreg 186 - loongson,ls1b-syscon 187 - loongson,ls1c-syscon 188 - lsi,axxia-syscon 189 - marvell,armada-3700-cpu-misc 190 - marvell,armada-3700-nb-pm 191 - marvell,armada-3700-avs 192 - marvell,armada-3700-usb2-host-device-misc 193 - marvell,armada-3700-usb2-host-misc 194 - marvell,dove-global-config 195 - mediatek,mt2701-pctl-a-syscfg 196 - mediatek,mt2712-pctl-a-syscfg 197 - mediatek,mt6397-pctl-pmic-syscfg 198 - mediatek,mt7988-topmisc 199 - mediatek,mt8135-pctl-a-syscfg 200 - mediatek,mt8135-pctl-b-syscfg 201 - mediatek,mt8173-pctl-a-syscfg 202 - mediatek,mt8365-infracfg-nao 203 - mediatek,mt8365-syscfg 204 - microchip,lan966x-cpu-syscon 205 - microchip,mpfs-control-scb 206 - microchip,mpfs-sysreg-scb 207 - microchip,sam9x60-sfr 208 - microchip,sama7d65-ddr3phy 209 - microchip,sama7d65-sfrbu 210 - microchip,sama7g5-ddr3phy 211 - mscc,ocelot-cpu-syscon 212 - mstar,msc313-pmsleep 213 - nuvoton,ma35d1-sys 214 - nuvoton,wpcm450-shm 215 - qcom,apq8064-mmss-sfpb 216 - qcom,apq8064-sps-sic 217 - rockchip,px30-qos 218 - rockchip,rk3036-qos 219 - rockchip,rk3066-qos 220 - rockchip,rk3128-qos 221 - rockchip,rk3228-qos 222 - rockchip,rk3288-qos 223 - rockchip,rk3368-qos 224 - rockchip,rk3399-qos 225 - rockchip,rk3528-qos 226 - rockchip,rk3562-qos 227 - rockchip,rk3568-qos 228 - rockchip,rk3576-qos 229 - rockchip,rk3588-qos 230 - rockchip,rv1126-qos 231 - st,spear1340-misc 232 - stericsson,nomadik-pmu 233 - starfive,jh7100-sysmain 234 - ti,am62-opp-efuse-table 235 - ti,am62-usb-phy-ctrl 236 - ti,am625-dss-oldi-io-ctrl 237 - ti,am62p-cpsw-mac-efuse 238 - ti,am654-dss-oldi-io-ctrl 239 - ti,j784s4-acspcie-proxy-ctrl 240 - ti,j784s4-pcie-ctrl 241 - ti,keystone-pllctrl 242 - const: syscon 243 - items: 244 - enum: 245 - microchip,sama7g5-sfrbu 246 - microchip,sama7d65-sfrbu 247 - const: atmel,sama5d2-sfrbu 248 - const: syscon 249 - items: 250 - const: microchip,pic64gx-control-scb 251 - const: microchip,mpfs-control-scb 252 - const: syscon 253 - items: 254 - const: microchip,pic64gx-sysreg-scb 255 - const: microchip,mpfs-sysreg-scb 256 - const: syscon 257 258 reg: 259 maxItems: 1 260 261 resets: 262 maxItems: 1 263 264required: 265 - compatible 266 - reg 267 268allOf: 269 - $ref: syscon-common.yaml# 270 271unevaluatedProperties: false 272 273examples: 274 - | 275 syscon: syscon@1c00000 { 276 compatible = "allwinner,sun8i-h3-system-controller", "syscon"; 277 reg = <0x01c00000 0x1000>; 278 }; 279... 280