Quoting Drew Fustini (2024-05-06 21:55:15) > diff --git a/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml > new file mode 100644 > index 000000000000..d7e665c1534a > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/thead,th1520-clk-ap.yaml > @@ -0,0 +1,64 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/clock/thead,th1520-clk-ap.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: T-HEAD TH1520 AP sub-system clock controller > + > +description: | > + The T-HEAD TH1520 AP sub-system clock controller configures the > + CPU, DPU, GMAC and TEE PLLs. > + > + SoC reference manual > + https://openbeagle.org/beaglev-ahead/beaglev-ahead/-/blob/main/docs/TH1520%20System%20User%20Manual.pdf > + > +maintainers: > + - Jisheng Zhang <jszhang@xxxxxxxxxx> > + - Wei Fu <wefu@xxxxxxxxxx> > + - Drew Fustini <dfustini@xxxxxxxxxxxxxxx> > + > +properties: > + compatible: > + const: thead,th1520-clk-ap > + > + reg: > + maxItems: 1 > + > + clocks: > + items: > + - description: main oscillator (24MHz) > + > + clock-names: > + items: > + - const: osc I recommend dropping clock-names so that you don't rely on anything besides the cell index when describing clk_parent_data. > + > + "#clock-cells": > + const: 1 > + description: > + See <dt-bindings/clock/thead,th1520-clk-ap.h> for valid indices. > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names If you can't drop it at least make it optional.