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,mt7988-topmisc 89 - mediatek,mt8135-pctl-a-syscfg 90 - mediatek,mt8135-pctl-b-syscfg 91 - mediatek,mt8173-pctl-a-syscfg 92 - mediatek,mt8365-syscfg 93 - microchip,lan966x-cpu-syscon 94 - microchip,mpfs-control-scb 95 - microchip,mpfs-sysreg-scb 96 - microchip,sam9x60-sfr 97 - microchip,sama7d65-ddr3phy 98 - microchip,sama7d65-sfrbu 99 - microchip,sama7g5-ddr3phy 100 - mscc,ocelot-cpu-syscon 101 - mstar,msc313-pmsleep 102 - nuvoton,ma35d1-sys 103 - nuvoton,wpcm450-shm 104 - qcom,apq8064-mmss-sfpb 105 - qcom,apq8064-sps-sic 106 - rockchip,px30-qos 107 - rockchip,rk3036-qos 108 - rockchip,rk3066-qos 109 - rockchip,rk3128-qos 110 - rockchip,rk3228-qos 111 - rockchip,rk3288-qos 112 - rockchip,rk3368-qos 113 - rockchip,rk3399-qos 114 - rockchip,rk3528-qos 115 - rockchip,rk3562-qos 116 - rockchip,rk3568-qos 117 - rockchip,rk3576-qos 118 - rockchip,rk3588-qos 119 - rockchip,rv1126-qos 120 - st,spear1340-misc 121 - stericsson,nomadik-pmu 122 - starfive,jh7100-sysmain 123 - ti,am62-opp-efuse-table 124 - ti,am62-usb-phy-ctrl 125 - ti,am625-dss-oldi-io-ctrl 126 - ti,am62p-cpsw-mac-efuse 127 - ti,am654-dss-oldi-io-ctrl 128 - ti,j784s4-acspcie-proxy-ctrl 129 - ti,j784s4-pcie-ctrl 130 - ti,keystone-pllctrl 131 required: 132 - compatible 133 134properties: 135 compatible: 136 items: 137 - enum: 138 - airoha,en7581-pbus-csr 139 - al,alpine-sysfabric-service 140 - allwinner,sun8i-a83t-system-controller 141 - allwinner,sun8i-h3-system-controller 142 - allwinner,sun8i-v3s-system-controller 143 - allwinner,sun50i-a64-system-controller 144 - altr,l3regs 145 - altr,sdr-ctl 146 - amd,pensando-elba-syscon 147 - amlogic,meson-mx-assist 148 - amlogic,meson-mx-bootrom 149 - amlogic,meson8-analog-top 150 - amlogic,meson8b-analog-top 151 - amlogic,meson8-pmu 152 - amlogic,meson8b-pmu 153 - apm,merlin-poweroff-mailbox 154 - apm,mustang-poweroff-mailbox 155 - apm,xgene-csw 156 - apm,xgene-efuse 157 - apm,xgene-mcb 158 - apm,xgene-rb 159 - apm,xgene-scu 160 - atmel,sama5d2-sfrbu 161 - atmel,sama5d3-nfc-io 162 - atmel,sama5d3-sfrbu 163 - atmel,sama5d4-sfrbu 164 - axis,artpec6-syscon 165 - brcm,cru-clkset 166 - brcm,sr-cdru 167 - brcm,sr-mhb 168 - cirrus,ep7209-syscon1 169 - cirrus,ep7209-syscon2 170 - cirrus,ep7209-syscon3 171 - cnxt,cx92755-uc 172 - freecom,fsg-cs2-system-controller 173 - fsl,imx93-aonmix-ns-syscfg 174 - fsl,imx93-wakeupmix-syscfg 175 - fsl,ls1088a-reset 176 - fsl,vf610-anatop 177 - fsl,vf610-mscm-cpucfg 178 - hisilicon,dsa-subctrl 179 - hisilicon,hi6220-sramctrl 180 - hisilicon,hip04-ppe 181 - hisilicon,pcie-sas-subctrl 182 - hisilicon,peri-subctrl 183 - hpe,gxp-sysreg 184 - loongson,ls1b-syscon 185 - loongson,ls1c-syscon 186 - lsi,axxia-syscon 187 - marvell,armada-3700-cpu-misc 188 - marvell,armada-3700-nb-pm 189 - marvell,armada-3700-avs 190 - marvell,armada-3700-usb2-host-device-misc 191 - marvell,armada-3700-usb2-host-misc 192 - marvell,dove-global-config 193 - mediatek,mt2701-pctl-a-syscfg 194 - mediatek,mt2712-pctl-a-syscfg 195 - mediatek,mt6397-pctl-pmic-syscfg 196 - mediatek,mt7988-topmisc 197 - mediatek,mt8135-pctl-a-syscfg 198 - mediatek,mt8135-pctl-b-syscfg 199 - mediatek,mt8173-pctl-a-syscfg 200 - mediatek,mt8365-infracfg-nao 201 - mediatek,mt8365-syscfg 202 - microchip,lan966x-cpu-syscon 203 - microchip,mpfs-control-scb 204 - microchip,mpfs-sysreg-scb 205 - microchip,sam9x60-sfr 206 - microchip,sama7d65-ddr3phy 207 - microchip,sama7d65-sfrbu 208 - microchip,sama7g5-ddr3phy 209 - mscc,ocelot-cpu-syscon 210 - mstar,msc313-pmsleep 211 - nuvoton,ma35d1-sys 212 - nuvoton,wpcm450-shm 213 - qcom,apq8064-mmss-sfpb 214 - qcom,apq8064-sps-sic 215 - rockchip,px30-qos 216 - rockchip,rk3036-qos 217 - rockchip,rk3066-qos 218 - rockchip,rk3128-qos 219 - rockchip,rk3228-qos 220 - rockchip,rk3288-qos 221 - rockchip,rk3368-qos 222 - rockchip,rk3399-qos 223 - rockchip,rk3528-qos 224 - rockchip,rk3562-qos 225 - rockchip,rk3568-qos 226 - rockchip,rk3576-qos 227 - rockchip,rk3588-qos 228 - rockchip,rv1126-qos 229 - st,spear1340-misc 230 - stericsson,nomadik-pmu 231 - starfive,jh7100-sysmain 232 - ti,am62-opp-efuse-table 233 - ti,am62-usb-phy-ctrl 234 - ti,am625-dss-oldi-io-ctrl 235 - ti,am62p-cpsw-mac-efuse 236 - ti,am654-dss-oldi-io-ctrl 237 - ti,j784s4-acspcie-proxy-ctrl 238 - ti,j784s4-pcie-ctrl 239 - ti,keystone-pllctrl 240 - const: syscon 241 242 reg: 243 maxItems: 1 244 245 resets: 246 maxItems: 1 247 248required: 249 - compatible 250 - reg 251 252allOf: 253 - $ref: syscon-common.yaml# 254 255unevaluatedProperties: false 256 257examples: 258 - | 259 syscon: syscon@1c00000 { 260 compatible = "allwinner,sun8i-h3-system-controller", "syscon"; 261 reg = <0x01c00000 0x1000>; 262 }; 263... 264