Hi Rob, Thanks for reviews. On 01/08/2019 15:56, Neil Armstrong wrote: > Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx> > --- > .../amlogic/amlogic,meson-gx-ao-secure.txt | 28 ------------- > .../amlogic/amlogic,meson-gx-ao-secure.yaml | 42 +++++++++++++++++++ > 2 files changed, 42 insertions(+), 28 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt > create mode 100644 Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml > > diff --git a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt > deleted file mode 100644 > index c67d9f48fb91..000000000000 > --- a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.txt > +++ /dev/null > @@ -1,28 +0,0 @@ > -Amlogic Meson Firmware registers Interface > ------------------------------------------- > - > -The Meson SoCs have a register bank with status and data shared with the > -secure firmware. > - > -Required properties: > - - compatible: For Meson GX SoCs, must be "amlogic,meson-gx-ao-secure", "syscon" I have a hard time find how to define "syscon" here, if I put syscon in the compatible it gets matched on other bindings and I get lot of warnings. How should I model it ? Thanks, Neil > - > -Properties should indentify components of this register interface : > - > -Meson GX SoC Information > ------------------------- > -A firmware register encodes the SoC type, package and revision information on > -the Meson GX SoCs. > -If present, the following property should be added : > - > -Optional properties: > - - amlogic,has-chip-id: If present, the interface gives the current SoC version. > - > -Example > -------- > - > -ao-secure@140 { > - compatible = "amlogic,meson-gx-ao-secure", "syscon"; > - reg = <0x0 0x140 0x0 0x140>; > - amlogic,has-chip-id; > -}; > diff --git a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml > new file mode 100644 > index 000000000000..cf79287498f5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml > @@ -0,0 +1,42 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +# Copyright 2019 BayLibre, SAS > +%YAML 1.2 > +--- > +$id: "http://devicetree.org/schemas/arm/amlogic/amlogic,meson-gx-ao-secure.yaml#" > +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > + > +title: Amlogic Meson Firmware registers Interface > + > +maintainers: > + - Neil Armstrong <narmstrong@xxxxxxxxxxxx> > + > +description: | > + The Meson SoCs have a register bank with status and data shared with the > + secure firmware. > + > +properties: > + compatible: > + enum: > + - amlogic,meson-gx-ao-secure > + > + reg: > + maxItems: 1 > + > + amlogic,has-chip-id: > + description: | > + A firmware register encodes the SoC type, package and revision > + information on the Meson GX SoCs. If present, the interface gives > + the current SoC version. > + type: boolean > + > +required: > + - compatible > + - reg > + > +examples: > + - | > + ao-secure@140 { > + compatible = "amlogic,meson-gx-ao-secure", "syscon"; > + reg = <0x140 0x140>; > + amlogic,has-chip-id; > + }; >