Hello Rob, > -----Original Message----- > From: Rob Herring <robh@xxxxxxxxxx> > Sent: Wednesday, July 24, 2024 5:57 AM > To: Sunyeal Hong <sunyeal.hong@xxxxxxxxxxx> > Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx>; Sylwester Nawrocki > <s.nawrocki@xxxxxxxxxxx>; Chanwoo Choi <cw00.choi@xxxxxxxxxxx>; Alim > Akhtar <alim.akhtar@xxxxxxxxxxx>; Michael Turquette > <mturquette@xxxxxxxxxxxx>; Stephen Boyd <sboyd@xxxxxxxxxx>; Conor Dooley > <conor+dt@xxxxxxxxxx>; linux-samsung-soc@xxxxxxxxxxxxxxx; linux- > clk@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-arm- > kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH v4 1/4] dt-bindings: clock: add ExynosAuto v920 SoC > CMU bindings > > On Tue, Jul 23, 2024 at 07:33:30AM +0900, Sunyeal Hong wrote: > > Add dt-schema for ExynosAuto v920 SoC clock controller. > > Add device tree clock binding definitions for below CMU blocks. > > > > - CMU_TOP > > - CMU_PERIC0 > > > > Signed-off-by: Sunyeal Hong <sunyeal.hong@xxxxxxxxxxx> > > --- > > .../clock/samsung,exynosautov920-clock.yaml | 115 +++++++++++ > > .../clock/samsung,exynosautov920.h | 191 ++++++++++++++++++ > > 2 files changed, 306 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock.y > > aml create mode 100644 > > include/dt-bindings/clock/samsung,exynosautov920.h > > > > diff --git > > a/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock > > .yaml > > b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-clock > > .yaml > > new file mode 100644 > > index 000000000000..90f9f17da959 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/clock/samsung,exynosautov920-c > > +++ lock.yaml > > @@ -0,0 +1,115 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 > > +--- > > +$id: > > +https://protect2.fireeye.com/v1/url?k=9932a88e-c6ae81a4-993323c1-000b > > +abe598f7-779f1e959ac8eab9&q=1&e=539edfa4-b4e4-460a-93f4-1e6f17030945& > > +u=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fclock%2Fsamsung%2Cexynosaut > > +ov920-clock.yaml%23 > > +$schema: > > +https://protect2.fireeye.com/v1/url?k=4dbf6fb9-12234693-4dbee4f6-000b > > +abe598f7-363a2f64c69b9542&q=1&e=539edfa4-b4e4-460a-93f4-1e6f17030945& > > +u=http%3A%2F%2Fdevicetree.org%2Fmeta-schemas%2Fcore.yaml%23 > > + > > +title: Samsung ExynosAuto v920 SoC clock controller > > + > > +maintainers: > > + - Sunyeal Hong <sunyeal.hong@xxxxxxxxxxx> > > + - Chanwoo Choi <cw00.choi@xxxxxxxxxxx> > > + - Krzysztof Kozlowski <krzk@xxxxxxxxxx> > > + - Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > > + > > +description: | > > + ExynosAuto v920 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 (38.4 MHz) and RTCCLK/XrtcXTI > (32768 Hz). > > + The external OSCCLK must be defined as fixed-rate clock 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 'include/dt- > bindings/clock/samsung,exynosautov920.h' header. > > + > > +properties: > > + compatible: > > + enum: > > + - samsung,exynosautov920-cmu-top > > + - samsung,exynosautov920-cmu-peric0 > > + > > + clocks: > > + minItems: 1 > > + maxItems: 3 > > + > > + clock-names: > > + minItems: 1 > > + maxItems: 3 > > Move the descriptions and names here. Then in the if/then schemas just set > the number of items to 1 or 3 as appropriate. > > Rob Thank you for your review. I will update by reflecting the fixes. Thanks, Sunyeal Hong