On 03/05/2022 12:59, Chanho Park wrote: > Add dt-schema for Exynos Auto v9 SoC clock controller. > > Signed-off-by: Chanho Park <chanho61.park@xxxxxxxxxxx> > --- > .../clock/samsung,exynosautov9-clock.yaml | 219 ++++++++++++++++++ > 1 file changed, 219 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/samsung,exynosautov9-clock.yaml > > diff --git a/Documentation/devicetree/bindings/clock/samsung,exynosautov9-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynosautov9-clock.yaml > new file mode 100644 > index 000000000000..9f9cd8606728 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/samsung,exynosautov9-clock.yaml > @@ -0,0 +1,219 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/clock/samsung,exynosautov9-clock.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Samsung Exynos Auto v9 SoC clock controller > + > +maintainers: > + - Chanho Park <chanho61.park@xxxxxxxxxxx> > + - Chanwoo Choi <cw00.choi@xxxxxxxxxxx> > + - Krzysztof Kozlowski <krzk@xxxxxxxxxx> > + - Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > + - Tomasz Figa <tomasz.figa@xxxxxxxxx> > + > +description: | > + Exynos Auto v9 clock controller is comprised of several CMU units, generating > + clocks for different domains. Those CMU units are modeled as separate device > + tree nodes, and might depend on each other. Root clocks in that clock tree are > + two external clocks:: OSCCLK/XTCXO (26 MHz) and RTCCLK/XrtcXTI (32768 Hz). > + Those external clocks must be defined as fixed-rate clocks in dts. > + > + CMU_TOP is a top-level CMU, where all base clocks are prepared using PLLs and > + dividers; all other clocks of function blocks (other CMUs) are usually > + derived from CMU_TOP. > + > + Each clock is assigned an identifier and client nodes can use this identifier > + to specify the clock which they consume. All clocks available for usage > + in clock consumer nodes are defined as preprocessor macros in > + 'dt-bindings/clock/exynosautov9.h' header. The path is still wrong (and not full). Best regards, Krzysztof
