On Mon, 26 Aug 2019 at 14:06, Rob Herring <robh+dt@xxxxxxxxxx> wrote: > > On Fri, Aug 23, 2019 at 9:54 AM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > > > > Convert Samsung S3C/Exynos Real Time Clock bindings to DT schema format > > using json-schema. > > > > Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > > --- > > .../devicetree/bindings/rtc/s3c-rtc.txt | 31 ------ > > .../devicetree/bindings/rtc/s3c-rtc.yaml | 95 +++++++++++++++++++ > > 2 files changed, 95 insertions(+), 31 deletions(-) > > delete mode 100644 Documentation/devicetree/bindings/rtc/s3c-rtc.txt > > create mode 100644 Documentation/devicetree/bindings/rtc/s3c-rtc.yaml > > > > diff --git a/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml > > new file mode 100644 > > index 000000000000..44b021812a83 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/rtc/s3c-rtc.yaml > > @@ -0,0 +1,95 @@ > > +# SPDX-License-Identifier: GPL-2.0 > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/rtc/s3c-rtc.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Samsung S3C, S5P and Exynos Real Time Clock controller > > + > > +maintainers: > > + - Krzysztof Kozlowski <krzk@xxxxxxxxxx> > > + > > +# Select also deprecated compatibles (for finding deprecate usage) > > +select: > > + properties: > > + compatible: > > + items: > > + - enum: > > + - samsung,s3c2410-rtc > > + - samsung,s3c2416-rtc > > + - samsung,s3c2443-rtc > > + - samsung,s3c6410-rtc > > + # Deprecated, use samsung,s3c6410-rtc > > + - samsung,exynos3250-rtc > > We've come up with a better way of doing this that doesn't need a > custom 'select'. Add a 'oneOf' to compatible and add another entry: > > - const: samsung,exynos3250-rtc > deprecated: true > > It's not implemented yet in the tool, but we'll keep the compatible > for 'select' and otherwise drop schema marked deprecated. OK > > > + required: > > + - compatible > > + > > +properties: > > + compatible: > > + items: > > + - enum: > > You can drop 'items' when there's only 1 entry. Indeed. > > > + - samsung,s3c2410-rtc > > + - samsung,s3c2416-rtc > > + - samsung,s3c2443-rtc > > + - samsung,s3c6410-rtc > > + reg: > > + maxItems: 1 > > + > > + clocks: > > + description: > > + Must contain a list of phandle and clock specifier for the rtc > > + clock and in the case of a s3c6410 compatible controller, also > > + a source clock. > > + minItems: 1 > > + maxItems: 2 > > + > > + clock-names: > > + description: > > + Must contain "rtc" and for a s3c6410 compatible controller, > > + a "rtc_src" sorted in the same order as the clocks property. > > + oneOf: > > + - items: > > + - const: rtc > > + - items: > > + # TODO: This can be in any order matching clocks, how to express it? > > It shouldn't be in any order. Fix the dts files. I see, other schemas also require specific ordering. > > > + - const: rtc > > + - const: rtc_src > > You should drop all this and add an else clause below. Yes > > > + > > + interrupts: > > + description: > > + Two interrupt numbers to the cpu should be specified. First > > + interrupt number is the rtc alarm interrupt and second interrupt number > > + is the rtc tick interrupt. The number of cells representing a interrupt > > + depends on the parent interrupt controller. > > + minItems: 2 > > + maxItems: 2 > > + > > +allOf: > > + - if: > > + properties: > > + compatible: > > + contains: > > + enum: > > + - samsung,s3c6410-rtc > > + - samsung,exynos3250-rtc > > + > > + then: > > + properties: > > + clocks: > > + minItems: 2 > > + maxItems: 2 > > + clock-names: > > + items: > > + - const: rtc > > + - const: rtc_src > > Should be indented 2 more spaces. Thanks for feedback. Best regards, Krzysztof