| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/bus/palmbus.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Ralink PalmBus |
| 8 | |
| 9 | maintainers: |
| 10 | - Sergio Paracuellos <sergio.paracuellos@gmail.com> |
| 11 | |
| 12 | description: | |
| 13 | The ralink palmbus controller can be found in all ralink MIPS |
| 14 | SoCs. It provides an external bus for connecting multiple |
| 15 | external devices to the SoC. |
| 16 | |
| 17 | properties: |
| 18 | $nodename: |
| 19 | pattern: "^palmbus(@[0-9a-f]+)?$" |
| 20 | |
| 21 | "#address-cells": |
| 22 | const: 1 |
| 23 | |
| 24 | "#size-cells": |
| 25 | const: 1 |
| 26 | |
| 27 | compatible: |
| 28 | const: palmbus |
| 29 | |
| 30 | reg: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | ranges: true |
| 34 | |
| 35 | patternProperties: |
| 36 | # All other properties should be child nodes with unit-address and 'reg' |
| 37 | "@[0-9a-f]+$": |
| 38 | type: object |
| 39 | additionalProperties: true |
| 40 | properties: |
| 41 | reg: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | required: |
| 45 | - reg |
| 46 | |
| 47 | required: |
| 48 | - compatible |
| 49 | - reg |
| 50 | - "#address-cells" |
| 51 | - "#size-cells" |
| 52 | - ranges |
| 53 | |
| 54 | additionalProperties: false |
| 55 | |
| 56 | examples: |
| 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 | ... |