On Fri, Dec 17, 2021 at 01:36:40PM +0200, Tony Lindgren wrote: > In order to prepare for fixing lots of devicetree unique_unit_address > warnings for the TI clock nodes, let's add a binding for the clksel > clocks. This allows us to move the overlapping devicetree clocks to be > children of the related clksel nodes. And then we need the reg property > only for the parent clksel node. > > We want to set #clock-cells = <1> in case we ever start parsing the clkcsel > clocks directly using a clksel driver rather than using the existing > component clock drivers and child nodes. We also need to update the clock > drivers to get the IO address from the parent clksel node before updating > the dts files. These will be posted as separate patches. > > Cc: Tero Kristo <kristo@xxxxxxxxxx> > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> > --- > .../bindings/clock/ti/ti,clksel.yaml | 41 +++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/clock/ti/ti,clksel.yaml > > diff --git a/Documentation/devicetree/bindings/clock/ti/ti,clksel.yaml b/Documentation/devicetree/bindings/clock/ti/ti,clksel.yaml > new file mode 100644 > --- /dev/null > +++ b/Documentation/devicetree/bindings/clock/ti/ti,clksel.yaml > @@ -0,0 +1,41 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/clock/ti/ti,clksel.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Binding for TI clksel clock > + > +maintainers: > + - Tony Lindgren <tony@xxxxxxxxxxx> > + > +description: | > + The TI CLKSEL clocks consist of consist of a mux, divider, multiplier and > + gate bits. > + > +properties: > + compatible: > + const: ti,clksel > + > + reg: > + maxItems: 1 > + description: The CLKSEL register > + > + "#clock-cells": > + const: 1 > + > +required: > + - compatible > + - reg > + - "#clock-cells" > + > +additionalProperties: true Like what properties? true is only used for common, incomplete schemas referenced by device schemas. > + > +examples: > + - | > + clksel_gfx_fclk: clock@52c { > + compatible = "ti,clksel"; > + reg = <0x25c 0x4>; > + #clock-cells = <1>; > + }; > +... > -- > 2.34.1 >
