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 - nxp,s32g2-gpr 106 - nxp,s32g3-gpr 107 - qcom,apq8064-mmss-sfpb 108 - qcom,apq8064-sps-sic 109 - rockchip,px30-qos 110 - rockchip,rk3036-qos 111 - rockchip,rk3066-qos 112 - rockchip,rk3128-qos 113 - rockchip,rk3228-qos 114 - rockchip,rk3288-qos 115 - rockchip,rk3368-qos 116 - rockchip,rk3399-qos 117 - rockchip,rk3528-qos 118 - rockchip,rk3562-qos 119 - rockchip,rk3568-qos 120 - rockchip,rk3576-qos 121 - rockchip,rk3588-qos 122 - rockchip,rv1126-qos 123 - st,spear1340-misc 124 - stericsson,nomadik-pmu 125 - starfive,jh7100-sysmain 126 - ti,am62-opp-efuse-table 127 - ti,am62-usb-phy-ctrl 128 - ti,am625-dss-oldi-io-ctrl 129 - ti,am62p-cpsw-mac-efuse 130 - ti,am654-dss-oldi-io-ctrl 131 - ti,j784s4-acspcie-proxy-ctrl 132 - ti,j784s4-pcie-ctrl 133 - ti,keystone-pllctrl 134 required: 135 - compatible 136 137properties: 138 compatible: 139 oneOf: 140 - items: 141 - enum: 142 - airoha,en7581-pbus-csr 143 - al,alpine-sysfabric-service 144 - allwinner,sun8i-a83t-system-controller 145 - allwinner,sun8i-h3-system-controller 146 - allwinner,sun8i-v3s-system-controller 147 - allwinner,sun50i-a64-system-controller 148 - altr,l3regs 149 - altr,sdr-ctl 150 - amd,pensando-elba-syscon 151 - amlogic,meson-mx-assist 152 - amlogic,meson-mx-bootrom 153 - amlogic,meson8-analog-top 154 - amlogic,meson8b-analog-top 155 - amlogic,meson8-pmu 156 - amlogic,meson8b-pmu 157 - apm,merlin-poweroff-mailbox 158 - apm,mustang-poweroff-mailbox 159 - apm,xgene-csw 160 - apm,xgene-efuse 161 - apm,xgene-mcb 162 - apm,xgene-rb 163 - apm,xgene-scu 164 - atmel,sama5d2-sfrbu 165 - atmel,sama5d3-nfc-io 166 - atmel,sama5d3-sfrbu 167 - atmel,sama5d4-sfrbu 168 - axis,artpec6-syscon 169 - brcm,cru-clkset 170 - brcm,sr-cdru 171 - brcm,sr-mhb 172 - cirrus,ep7209-syscon1 173 - cirrus,ep7209-syscon2 174 - cirrus,ep7209-syscon3 175 - cnxt,cx92755-uc 176 - freecom,fsg-cs2-system-controller 177 - fsl,imx93-aonmix-ns-syscfg 178 - fsl,imx93-wakeupmix-syscfg 179 - fsl,ls1088a-reset 180 - fsl,vf610-anatop 181 - fsl,vf610-mscm-cpucfg 182 - hisilicon,dsa-subctrl 183 - hisilicon,hi6220-sramctrl 184 - hisilicon,hip04-ppe 185 - hisilicon,pcie-sas-subctrl 186 - hisilicon,peri-subctrl 187 - hpe,gxp-sysreg 188 - loongson,ls1b-syscon 189 - loongson,ls1c-syscon 190 - lsi,axxia-syscon 191 - marvell,armada-3700-cpu-misc 192 - marvell,armada-3700-nb-pm 193 - marvell,armada-3700-avs 194 - marvell,armada-3700-usb2-host-device-misc 195 - marvell,armada-3700-usb2-host-misc 196 - marvell,dove-global-config 197 - mediatek,mt2701-pctl-a-syscfg 198 - mediatek,mt2712-pctl-a-syscfg 199 - mediatek,mt6397-pctl-pmic-syscfg 200 - mediatek,mt7981-topmisc 201 - mediatek,mt7988-topmisc 202 - mediatek,mt8135-pctl-a-syscfg 203 - mediatek,mt8135-pctl-b-syscfg 204 - mediatek,mt8173-pctl-a-syscfg 205 - mediatek,mt8365-infracfg-nao 206 - mediatek,mt8365-syscfg 207 - microchip,lan966x-cpu-syscon 208 - microchip,mpfs-control-scb 209 - microchip,mpfs-sysreg-scb 210 - microchip,sam9x60-sfr 211 - microchip,sama7d65-ddr3phy 212 - microchip,sama7d65-sfrbu 213 - microchip,sama7g5-ddr3phy 214 - mscc,ocelot-cpu-syscon 215 - mstar,msc313-pmsleep 216 - nuvoton,ma35d1-sys 217 - nuvoton,wpcm450-shm 218 - nxp,s32g2-gpr 219 - nxp,s32g3-gpr 220 - qcom,apq8064-mmss-sfpb 221 - qcom,apq8064-sps-sic 222 - rockchip,px30-qos 223 - rockchip,rk3036-qos 224 - rockchip,rk3066-qos 225 - rockchip,rk3128-qos 226 - rockchip,rk3228-qos 227 - rockchip,rk3288-qos 228 - rockchip,rk3368-qos 229 - rockchip,rk3399-qos 230 - rockchip,rk3528-qos 231 - rockchip,rk3562-qos 232 - rockchip,rk3568-qos 233 - rockchip,rk3576-qos 234 - rockchip,rk3588-qos 235 - rockchip,rv1126-qos 236 - st,spear1340-misc 237 - stericsson,nomadik-pmu 238 - starfive,jh7100-sysmain 239 - ti,am62-opp-efuse-table 240 - ti,am62-usb-phy-ctrl 241 - ti,am625-dss-oldi-io-ctrl 242 - ti,am62p-cpsw-mac-efuse 243 - ti,am654-dss-oldi-io-ctrl 244 - ti,j784s4-acspcie-proxy-ctrl 245 - ti,j784s4-pcie-ctrl 246 - ti,keystone-pllctrl 247 - const: syscon 248 - items: 249 - enum: 250 - microchip,sama7g5-sfrbu 251 - microchip,sama7d65-sfrbu 252 - const: atmel,sama5d2-sfrbu 253 - const: syscon 254 - items: 255 - const: microchip,pic64gx-control-scb 256 - const: microchip,mpfs-control-scb 257 - const: syscon 258 - items: 259 - const: microchip,pic64gx-sysreg-scb 260 - const: microchip,mpfs-sysreg-scb 261 - const: syscon 262 263 reg: 264 maxItems: 1 265 266 resets: 267 maxItems: 1 268 269required: 270 - compatible 271 - reg 272 273allOf: 274 - $ref: syscon-common.yaml# 275 276unevaluatedProperties: false 277 278examples: 279 - | 280 syscon: syscon@1c00000 { 281 compatible = "allwinner,sun8i-h3-system-controller", "syscon"; 282 reg = <0x01c00000 0x1000>; 283 }; 284... 285