From: Rafał Miłecki <rafal@xxxxxxxxxx> CRU is a block used in e.g. Northstar devices. It can be seen in the bcm5301x.dtsi and this binding documents its proper usage. Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx> --- This is reworked version of the [PATCH robh next] dt-bindings: bus: add Broadcom CRU https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20210309142241.16259-1-zajec5@xxxxxxxxx/ --- .../devicetree/bindings/mfd/brcm,cru.yaml | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/brcm,cru.yaml diff --git a/Documentation/devicetree/bindings/mfd/brcm,cru.yaml b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml new file mode 100644 index 000000000000..f5bce6453c33 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/brcm,cru.yaml# +$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. On Broadcom Northstar platform it contains e.g. + clocks, pinctrl, USB PHY and thermal. + +properties: + compatible: + items: + - enum: + - brcm,ns-cru + - const: simple-mfd + + reg: + description: CRU registers + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + +additionalProperties: true + +required: + - reg + +examples: + - | + cru-bus@1800c100 { + compatible = "brcm,ns-cru", "simple-mfd"; + reg = <0x1800c100 0x1d0>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + }; -- 2.26.2
