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1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/bus/palmbus.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Ralink PalmBus8 9maintainers:10 - Sergio Paracuellos <sergio.paracuellos@gmail.com>11 12description: |13 The ralink palmbus controller can be found in all ralink MIPS14 SoCs. It provides an external bus for connecting multiple15 external devices to the SoC.16 17properties:18 $nodename:19 pattern: "^palmbus(@[0-9a-f]+)?$"20 21 "#address-cells":22 const: 123 24 "#size-cells":25 const: 126 27 compatible:28 const: palmbus29 30 reg:31 maxItems: 132 33 ranges: true34 35patternProperties:36 # All other properties should be child nodes with unit-address and 'reg'37 "@[0-9a-f]+$":38 type: object39 additionalProperties: true40 properties:41 reg:42 maxItems: 143 44 required:45 - reg46 47required:48 - compatible49 - reg50 - "#address-cells"51 - "#size-cells"52 - ranges53 54additionalProperties: false55 56examples:57 - |58 #include <dt-bindings/interrupt-controller/mips-gic.h>59 #include <dt-bindings/interrupt-controller/irq.h>60 palmbus@1e000000 {61 compatible = "palmbus";62 reg = <0x1e000000 0x100000>;63 #address-cells = <1>;64 #size-cells = <1>;65 ranges = <0x0 0x1e000000 0x0fffff>;66 67 gpio@600 {68 #gpio-cells = <2>;69 #interrupt-cells = <2>;70 compatible = "mediatek,mt7621-gpio";71 gpio-controller;72 gpio-ranges = <&pinctrl 0 0 95>;73 interrupt-controller;74 reg = <0x600 0x100>;75 interrupt-parent = <&gic>;76 interrupts = <GIC_SHARED 12 IRQ_TYPE_LEVEL_HIGH>;77 };78 };79 80...81