On 16/06/2022 18:42, Viorel Suman wrote: > From: Abel Vesa <abel.vesa@xxxxxxx> > > In order to replace the fsl,scu txt file from bindings/arm/freescale, > we need to split it between the right subsystems. This patch documents > separately the 'clock' child node of the SCU main node. > > Signed-off-by: Abel Vesa <abel.vesa@xxxxxxx> > Signed-off-by: Viorel Suman <viorel.suman@xxxxxxx> > --- > .../bindings/clock/fsl,scu-clk.yaml | 58 +++++++++++++++++++ > 1 file changed, 58 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml > > diff --git a/Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml b/Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml > new file mode 100644 > index 000000000000..8b59758eee4a > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/fsl,scu-clk.yaml > @@ -0,0 +1,58 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/clock/fsl,scu-clk.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: i.MX SCU Client Device Node - Clock bindings based on SCU Message Protocol > + > +maintainers: > + - Abel Vesa <abel.vesa@xxxxxxx> > + > +description: i.MX SCU Client Device Node > + Client nodes are maintained as children of the relevant IMX-SCU device node. > + This binding uses the common clock binding. > + (Documentation/devicetree/bindings/clock/clock-bindings.txt) > + The clock consumer should specify the desired clock by having the clock > + ID in its "clocks" phandle cell. > + See the full list of clock IDs from > + include/dt-bindings/clock/imx8qxp-clock.h > + > +properties: > + compatible: > + items: > + - enum: > + - fsl,imx8dxl-clk > + - fsl,imx8qm-clk > + - fsl,imx8qxp-clk > + - const: fsl,scu-clk > + > + '#clock-cells': > + const: 2 > + > + clocks: > + items: > + - description: XTAL 32KHz > + - description: XTAL 24MHz > + minItems: 1 > + > + clock-names: > + items: > + enum: > + - xtal_32KHz > + - xtal_24Mhz No, this does not match your clocks property and allow any combination. Are you sure that hardware can have entirely different clocks connected? > + minItems: 1 > + maxItems: 2 > + > +required: > + - compatible > + - '#clock-cells' Why the clocks are not required? > + > +additionalProperties: false > + > +examples: > + - | > + clock-controller { > + compatible = "fsl,imx8qxp-clk", "fsl,scu-clk"; Wrong indentation. 4 spaces for DTS example. > + #clock-cells = <2>; > + }; Best regards, Krzysztof