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- # SPDX-License-Identifier: GPL-2.0
- %YAML 1.2
- ---
- $id: http://devicetree.org/schemas/mfd/syscon.yaml#
- $schema: http://devicetree.org/meta-schemas/core.yaml#
- title: System Controller Devices
- description: |
- System controller node represents a register region containing a set
- of miscellaneous registers. The registers are not cohesive enough to
- represent as any specific type of device. The typical use-case is
- for some other node's driver, or platform-specific code, to acquire
- a reference to the syscon node (e.g. by phandle, node path, or
- search using a specific compatible value), interrogate the node (or
- associated OS driver) to determine the location of the registers,
- and access the registers directly.
- maintainers:
- - Lee Jones <lee@kernel.org>
- # Need a select with all compatibles listed for compatibility with older
- # dtschema (<2024.02), so this will not be selected for other schemas having
- # syscon fallback.
- select:
- properties:
- compatible:
- contains:
- enum:
- - al,alpine-sysfabric-servic
- - allwinner,sun8i-a83t-system-controller
- - allwinner,sun8i-h3-system-controller
- - allwinner,sun8i-v3s-system-controller
- - allwinner,sun50i-a64-system-controller
- - altr,l3regs
- - altr,sdr-ctl
- - amd,pensando-elba-syscon
- - amlogic,meson-mx-assist
- - amlogic,meson-mx-bootrom
- - amlogic,meson8-analog-top
- - amlogic,meson8b-analog-top
- - amlogic,meson8-pmu
- - amlogic,meson8b-pmu
- - apm,merlin-poweroff-mailbox
- - apm,mustang-poweroff-mailbox
- - apm,xgene-csw
- - apm,xgene-efuse
- - apm,xgene-mcb
- - apm,xgene-rb
- - apm,xgene-scu
- - atmel,sama5d2-sfrbu
- - atmel,sama5d3-nfc-io
- - atmel,sama5d3-sfrbu
- - atmel,sama5d4-sfrbu
- - axis,artpec6-syscon
- - brcm,cru-clkset
- - brcm,sr-cdru
- - brcm,sr-mhb
- - cirrus,ep7209-syscon1
- - cirrus,ep7209-syscon2
- - cirrus,ep7209-syscon3
- - cnxt,cx92755-uc
- - freecom,fsg-cs2-system-controller
- - fsl,imx93-aonmix-ns-syscfg
- - fsl,imx93-wakeupmix-syscfg
- - fsl,ls1088a-reset
- - fsl,vf610-anatop
- - fsl,vf610-mscm-cpucfg
- - hisilicon,dsa-subctrl
- - hisilicon,hi6220-sramctrl
- - hisilicon,hip04-ppe
- - hisilicon,pcie-sas-subctrl
- - hisilicon,peri-subctrl
- - hpe,gxp-sysreg
- - loongson,ls1b-syscon
- - loongson,ls1c-syscon
- - lsi,axxia-syscon
- - marvell,armada-3700-cpu-misc
- - marvell,armada-3700-nb-pm
- - marvell,armada-3700-avs
- - marvell,armada-3700-usb2-host-misc
- - marvell,dove-global-config
- - mediatek,mt2701-pctl-a-syscfg
- - mediatek,mt2712-pctl-a-syscfg
- - mediatek,mt6397-pctl-pmic-syscfg
- - mediatek,mt8135-pctl-a-syscfg
- - mediatek,mt8135-pctl-b-syscfg
- - mediatek,mt8173-pctl-a-syscfg
- - mediatek,mt8365-syscfg
- - microchip,lan966x-cpu-syscon
- - microchip,sam9x60-sfr
- - microchip,sama7g5-ddr3phy
- - mscc,ocelot-cpu-syscon
- - mstar,msc313-pmsleep
- - nuvoton,ma35d1-sys
- - nuvoton,wpcm450-shm
- - rockchip,px30-qos
- - rockchip,rk3036-qos
- - rockchip,rk3066-qos
- - rockchip,rk3128-qos
- - rockchip,rk3228-qos
- - rockchip,rk3288-qos
- - rockchip,rk3368-qos
- - rockchip,rk3399-qos
- - rockchip,rk3568-qos
- - rockchip,rk3576-qos
- - rockchip,rk3588-qos
- - rockchip,rv1126-qos
- - st,spear1340-misc
- - stericsson,nomadik-pmu
- - starfive,jh7100-sysmain
- - ti,am62-opp-efuse-table
- - ti,am62-usb-phy-ctrl
- - ti,am625-dss-oldi-io-ctrl
- - ti,am62p-cpsw-mac-efuse
- - ti,am654-dss-oldi-io-ctrl
- - ti,j784s4-acspcie-proxy-ctrl
- - ti,j784s4-pcie-ctrl
- - ti,keystone-pllctrl
- required:
- - compatible
- properties:
- compatible:
- items:
- - enum:
- - al,alpine-sysfabric-service
- - allwinner,sun8i-a83t-system-controller
- - allwinner,sun8i-h3-system-controller
- - allwinner,sun8i-v3s-system-controller
- - allwinner,sun50i-a64-system-controller
- - altr,l3regs
- - altr,sdr-ctl
- - amd,pensando-elba-syscon
- - amlogic,meson-mx-assist
- - amlogic,meson-mx-bootrom
- - amlogic,meson8-analog-top
- - amlogic,meson8b-analog-top
- - amlogic,meson8-pmu
- - amlogic,meson8b-pmu
- - apm,merlin-poweroff-mailbox
- - apm,mustang-poweroff-mailbox
- - apm,xgene-csw
- - apm,xgene-efuse
- - apm,xgene-mcb
- - apm,xgene-rb
- - apm,xgene-scu
- - atmel,sama5d2-sfrbu
- - atmel,sama5d3-nfc-io
- - atmel,sama5d3-sfrbu
- - atmel,sama5d4-sfrbu
- - axis,artpec6-syscon
- - brcm,cru-clkset
- - brcm,sr-cdru
- - brcm,sr-mhb
- - cirrus,ep7209-syscon1
- - cirrus,ep7209-syscon2
- - cirrus,ep7209-syscon3
- - cnxt,cx92755-uc
- - freecom,fsg-cs2-system-controller
- - fsl,imx93-aonmix-ns-syscfg
- - fsl,imx93-wakeupmix-syscfg
- - fsl,ls1088a-reset
- - fsl,vf610-anatop
- - fsl,vf610-mscm-cpucfg
- - hisilicon,dsa-subctrl
- - hisilicon,hi6220-sramctrl
- - hisilicon,hip04-ppe
- - hisilicon,pcie-sas-subctrl
- - hisilicon,peri-subctrl
- - hpe,gxp-sysreg
- - loongson,ls1b-syscon
- - loongson,ls1c-syscon
- - lsi,axxia-syscon
- - marvell,armada-3700-cpu-misc
- - marvell,armada-3700-nb-pm
- - marvell,armada-3700-avs
- - marvell,armada-3700-usb2-host-misc
- - marvell,dove-global-config
- - mediatek,mt2701-pctl-a-syscfg
- - mediatek,mt2712-pctl-a-syscfg
- - mediatek,mt6397-pctl-pmic-syscfg
- - mediatek,mt8135-pctl-a-syscfg
- - mediatek,mt8135-pctl-b-syscfg
- - mediatek,mt8173-pctl-a-syscfg
- - mediatek,mt8365-syscfg
- - microchip,lan966x-cpu-syscon
- - microchip,sam9x60-sfr
- - microchip,sama7g5-ddr3phy
- - mscc,ocelot-cpu-syscon
- - mstar,msc313-pmsleep
- - nuvoton,ma35d1-sys
- - nuvoton,wpcm450-shm
- - rockchip,px30-qos
- - rockchip,rk3036-qos
- - rockchip,rk3066-qos
- - rockchip,rk3128-qos
- - rockchip,rk3228-qos
- - rockchip,rk3288-qos
- - rockchip,rk3368-qos
- - rockchip,rk3399-qos
- - rockchip,rk3568-qos
- - rockchip,rk3576-qos
- - rockchip,rk3588-qos
- - rockchip,rv1126-qos
- - st,spear1340-misc
- - stericsson,nomadik-pmu
- - starfive,jh7100-sysmain
- - ti,am62-opp-efuse-table
- - ti,am62-usb-phy-ctrl
- - ti,am625-dss-oldi-io-ctrl
- - ti,am62p-cpsw-mac-efuse
- - ti,am654-dss-oldi-io-ctrl
- - ti,j784s4-pcie-ctrl
- - ti,keystone-pllctrl
- - const: syscon
- reg:
- maxItems: 1
- resets:
- maxItems: 1
- required:
- - compatible
- - reg
- allOf:
- - $ref: syscon-common.yaml#
- unevaluatedProperties: false
- examples:
- - |
- syscon: syscon@1c00000 {
- compatible = "allwinner,sun8i-h3-system-controller", "syscon";
- reg = <0x01c00000 0x1000>;
- };
- ...
|
