[PATCH v3 2/3] dt-bindings: mfd: syscon: Drop custom select for older dtschema
Conor Dooley
conor at kernel.org
Tue Jun 9 09:28:21 PDT 2026
On Mon, Jun 08, 2026 at 10:44:25PM +0200, Krzysztof Kozlowski wrote:
> Older dtschema <2024.02 required custom select to avoid applying this
> binding to anything having "syscon" compatible. That's not the case
> anymore and this additional select has two headaches:
>
> 1. Duplicates all the compatibles listed in the schema.
>
> 2. Is error-prone, because it requires contributor to add the compatible
> in two places, otherwise the schema will be silently ignored.
> The select list already misses mentioning compatibles:
> mediatek,mt8365-infracfg-nao and renesas,r9a08g046-lvds-cmn (with the
> latter being reverted for different reasons).
>
> This requires bumping minimum dtschema requirement to v2024.04, which
> feels old enough to be a safe requirement.
I agree, seems reasonable enough given it's a jump from 2023.09 and not
some large jump.
The diff is nice too!
I assume Rob will be taking it, but just in case..
Acked-by: Conor Dooley <conor.dooley at microchip.com>
Cheers,
Conor.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at oss.qualcomm.com>
>
> ---
>
> Changes in v3:
> 1. Bump dtschema requirement
>
> Changes in v2:
> 1. New patch
> ---
> Documentation/devicetree/bindings/Makefile | 2 +-
> Documentation/devicetree/bindings/mfd/syscon.yaml | 116 ----------------------
> 2 files changed, 1 insertion(+), 117 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/Makefile b/Documentation/devicetree/bindings/Makefile
> index 7b668f7fd400..40c2094f47c2 100644
> --- a/Documentation/devicetree/bindings/Makefile
> +++ b/Documentation/devicetree/bindings/Makefile
> @@ -6,7 +6,7 @@ DT_MK_SCHEMA ?= dt-mk-schema
> DT_SCHEMA_LINT = $(shell which yamllint || \
> echo "warning: python package 'yamllint' not installed, skipping" >&2)
>
> -DT_SCHEMA_MIN_VERSION = 2023.9
> +DT_SCHEMA_MIN_VERSION = 2024.4
>
> PHONY += check_dtschema_version
> check_dtschema_version:
> diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
> index 9c81010d5a74..b70018bf1bcf 100644
> --- a/Documentation/devicetree/bindings/mfd/syscon.yaml
> +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
> @@ -19,122 +19,6 @@ description: |
> maintainers:
> - Lee Jones <lee at 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:
> - - airoha,en7581-pbus-csr
> - - 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
> - - econet,en751221-chip-scu
> - - 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-device-misc
> - - 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,mt7981-topmisc
> - - mediatek,mt7988-topmisc
> - - mediatek,mt8135-pctl-a-syscfg
> - - mediatek,mt8135-pctl-b-syscfg
> - - mediatek,mt8173-pctl-a-syscfg
> - - mediatek,mt8365-syscfg
> - - microchip,lan966x-cpu-syscon
> - - microchip,mpfs-control-scb
> - - microchip,mpfs-sysreg-scb
> - - microchip,sam9x60-sfr
> - - microchip,sama7d65-ddr3phy
> - - microchip,sama7d65-sfrbu
> - - microchip,sama7g5-ddr3phy
> - - mscc,ocelot-cpu-syscon
> - - mstar,msc313-pmsleep
> - - nuvoton,ma35d1-sys
> - - nuvoton,wpcm450-shm
> - - nxp,s32g2-gpr
> - - nxp,s32g3-gpr
> - - qcom,apq8064-mmss-sfpb
> - - qcom,apq8064-sps-sic
> - - 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,rk3528-qos
> - - rockchip,rk3562-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:
> oneOf:
>
> --
> 2.53.0
>
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