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Diffstat (limited to 'Documentation/devicetree/bindings/bus/palmbus.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/bus/palmbus.yaml | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/bus/palmbus.yaml b/Documentation/devicetree/bindings/bus/palmbus.yaml new file mode 100644 index 0000000000..c36c1e92a5 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/palmbus.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/palmbus.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ralink PalmBus + +maintainers: + - Sergio Paracuellos <sergio.paracuellos@gmail.com> + +description: | + The ralink palmbus controller can be found in all ralink MIPS + SoCs. It provides an external bus for connecting multiple + external devices to the SoC. + +properties: + $nodename: + pattern: "^palmbus(@[0-9a-f]+)?$" + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + compatible: + const: palmbus + + reg: + maxItems: 1 + + ranges: true + +patternProperties: + # All other properties should be child nodes with unit-address and 'reg' + "@[0-9a-f]+$": + type: object + additionalProperties: true + properties: + reg: + maxItems: 1 + + required: + - reg + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - ranges + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/mips-gic.h> + #include <dt-bindings/interrupt-controller/irq.h> + palmbus@1e000000 { + compatible = "palmbus"; + reg = <0x1e000000 0x100000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x1e000000 0x0fffff>; + + gpio@600 { + #gpio-cells = <2>; + #interrupt-cells = <2>; + compatible = "mediatek,mt7621-gpio"; + gpio-controller; + gpio-ranges = <&pinctrl 0 0 95>; + interrupt-controller; + reg = <0x600 0x100>; + interrupt-parent = <&gic>; + interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>; + }; + }; + +... |