The proper way to add additional contraints to an existing json-schema is using 'allOf' to reference the base schema. Using just '$ref' doesn't work. Fix this for the 'st,syscfg' property. Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx> Cc: Alexandre Torgue <alexandre.torgue@xxxxxx> Cc: linux-gpio@xxxxxxxxxxxxxxx Cc: linux-stm32@xxxxxxxxxxxxxxxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Signed-off-by: Rob Herring <robh@xxxxxxxxxx> --- I've got some other fixes queued up and can take this via the DT tree. Rob .../devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml index 91d3e78b3395..400df2da018a 100644 --- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml @@ -37,7 +37,8 @@ properties: hwlocks: true st,syscfg: - $ref: "/schemas/types.yaml#/definitions/phandle-array" + allOf: + - $ref: "/schemas/types.yaml#/definitions/phandle-array" description: Should be phandle/offset/mask items: - description: Phandle to the syscon node which includes IRQ mux selection. -- 2.20.1