On Thu, 2025-07-10 at 09:10 +0200, Krzysztof Kozlowski wrote: > On 10/07/2025 02:20, ksk4725@xxxxxxxxxx wrote: > > From: Hakyeong Kim <hgkim05@xxxxxxxxxx> > > > > Add dt-schema for ARTPEC-8 SoC clock controller. > > > > Add device-tree binding definitions for following CMU blocks: > > - CMU_CMU > > - CMU_BUS > > - CMU_CORE > > - CMU_CPUCL > > - CMU_FSYS > > - CMU_IMEM > > - CMU_PERI > > > > Signed-off-by: Ravi Patel <ravi.patel@xxxxxxxxxxx> > > Signed-off-by: Hakyeong Kim <hgkim05@xxxxxxxxxx> > > Confusing order, unless you really understand this, but considering > you > did not add your own SoB I claim you do not understand this. What > does > Ravi's SoB mean here? Ok, I will update the SoB section in all the patches. > > > --- > > .../bindings/clock/axis,artpec8-clock.yaml | 224 > > ++++++++++++++++++ > > 1 file changed, 224 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/clock/axis,artpec8-clock.yaml > > > > diff --git a/Documentation/devicetree/bindings/clock/axis,artpec8- > > clock.yaml b/Documentation/devicetree/bindings/clock/axis,artpec8- > > clock.yaml > > new file mode 100644 > > index 000000000000..baacea10599b > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/clock/axis,artpec8- > > clock.yaml > > @@ -0,0 +1,224 @@ > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > +%YAML 1.2 > > +--- > > +$id: http://devicetree.org/schemas/clock/axis,artpec8-clock.yaml# > > +$schema: http://devicetree.org/meta-schemas/core.yaml# > > + > > +title: Axis ARTPEC-8 SoC clock controller > > + > > +maintainers: > > + - Jesper Nilsson <jesper.nilsson@xxxxxxxx> > > + > > +description: | > > + ARTPEC-8 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. The root clock in > > that root tree > > + is an external clock: OSCCLK (25 MHz). This external clock must > > be defined > > + as a fixed-rate clock in dts. > > + > > + CMU_CMU 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_CMU. > > + > > + 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/axis,artpec8-clk.h' header. > > + > > +properties: > > + compatible: > > + enum: > > + - axis,artpec8-cmu-cmu > > + - axis,artpec8-cmu-bus > > + - axis,artpec8-cmu-core > > + - axis,artpec8-cmu-cpucl > > + - axis,artpec8-cmu-fsys > > + - axis,artpec8-cmu-imem > > + - axis,artpec8-cmu-peri > > + > > + clocks: > > + minItems: 1 > > + maxItems: 5 > > + > > + clock-names: > > + minItems: 1 > > + maxItems: 5 > > + > > + "#clock-cells": > > + const: 1 > > + > > + reg: > > + maxItems: 1 > > reg goes second, after compatible (Samsung bindings are not the best > example because I converted them long time ago before many coding > style > practices were encouraged) Ok, I will move the reg property. > > > + > > +required: > > + - compatible > > + - reg > > + - "#clock-cells" > > + - clocks > > + - clock-names > > + > > +allOf: > > + - if: > > + properties: > > + compatible: > > + contains: > > Drop contains. Ok, I will remove the contains wherever applicable. > > > + const: axis,artpec8-cmu-cmu > > + > > + then: > > + properties: > > + clocks: > > + items: > > + - description: External reference clock (25 MHz) > > + > > + clock-names: > > + items: > > + - const: fin_pll > > + > > + - if: > > + properties: > > + compatible: > > + contains: > > + const: axis,artpec8-cmu-bus > > + > > + then: > > + properties: > > + clocks: > > + items: > > + - description: External reference clock (25 MHz) > > + - description: CMU_BUS BUS clock (from CMU_CMU) > > + - description: CMU_BUS DLP clock (from CMU_CMU) > > + > > + clock-names: > > + items: > > + - const: fin_pll > > + - const: dout_clkcmu_bus_bus > > + - const: dout_clkcmu_bus_dlp > > All these names should be changed to match what is the input. Look at > latest bindings, we moved away from that style. Ok, I will modify clock-names to "bus" and "dlp" and will update at the other related places also. Thanks, Hakyeong Kim > > > > Best regards, > Krzysztof