On Tue, Mar 09, 2021 at 03:22:41PM +0100, Rafał Miłecki wrote: > From: Rafał Miłecki <rafal@xxxxxxxxxx> > > CRU is a block used in Northstar devices. It can be seen in the > bcm5301x.dtsi and this binding documents its proper usage. > > Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> > --- > .../devicetree/bindings/bus/brcm,cru.yaml | 41 +++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/bus/brcm,cru.yaml > > diff --git a/Documentation/devicetree/bindings/bus/brcm,cru.yaml b/Documentation/devicetree/bindings/bus/brcm,cru.yaml > new file mode 100644 > index 000000000000..c3b1ca53a443 > --- /dev/null > +++ b/Documentation/devicetree/bindings/bus/brcm,cru.yaml > @@ -0,0 +1,41 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/bus/brcm,cru.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Broadcom CRU > + > +maintainers: > + - Rafał Miłecki <rafal@xxxxxxxxxx> > + > +description: | > + Broadcom CRU ("Clock and Reset Unit" or "Central Resource Unit") is a hardware > + block grouping smaller blocks. It contains e.g. clocks, pinctrl, USB PHY and Are these really separate blocks? I really need to see a complete binding for the block. > + thermal. > + > +allOf: > + - $ref: /schemas/simple-bus.yaml# I don't think this should be a 'simple-bus'. Maybe 'simple-mfd' instead. > + > +properties: > + compatible: > + contains: > + const: brcm,cru This should be SoC specific. > + > + reg: > + description: CRU registers > + > +unevaluatedProperties: false > + > +required: > + - reg > + > +examples: > + - | > + cru-bus@1800c100 { > + compatible = "brcm,cru", "simple-bus"; > + reg = <0x1800c100 0x1d0>; > + ranges; > + #address-cells = <1>; > + #size-cells = <1>; > + }; > -- > 2.26.2 >
