| 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/gpio/gpio-mxs.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Freescale MXS GPIO controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Shawn Guo <shawnguo@kernel.org> |
| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 11 | |
| 12 | description: | |
| 13 | The Freescale MXS GPIO controller is part of MXS PIN controller. |
| 14 | The GPIOs are organized in port/bank, each port consists of 32 GPIOs. |
| 15 | As the GPIO controller is embedded in the PIN controller and all the |
| 16 | GPIO ports share the same IO space with PIN controller, the GPIO node |
| 17 | will be represented as sub-nodes of MXS pinctrl node. |
| 18 | |
| 19 | properties: |
| 20 | compatible: |
| 21 | enum: |
| 22 | - fsl,imx23-pinctrl |
| 23 | - fsl,imx28-pinctrl |
| 24 | |
| 25 | '#address-cells': |
| 26 | const: 1 |
| 27 | '#size-cells': |
| 28 | const: 0 |
| 29 | |
| 30 | reg: |
| 31 | maxItems: 1 |
| 32 | |
| 33 | patternProperties: |
| 34 | "gpio@[0-9]+$": |
| 35 | type: object |
| 36 | properties: |
| 37 | compatible: |
| 38 | enum: |
| 39 | - fsl,imx23-gpio |
| 40 | - fsl,imx28-gpio |
| 41 | |
| 42 | reg: |
| 43 | maxItems: 1 |
| 44 | |
| 45 | interrupts: |
| 46 | description: Should be the port interrupt shared by all 32 pins. |
| 47 | maxItems: 1 |
| 48 | |
| 49 | interrupt-controller: true |
| 50 | |
| 51 | "#interrupt-cells": |
| 52 | const: 2 |
| 53 | |
| 54 | "#gpio-cells": |
| 55 | const: 2 |
| 56 | |
| 57 | gpio-controller: true |
| 58 | |
| 59 | required: |
| 60 | - compatible |
| 61 | - reg |
| 62 | - interrupts |
| 63 | - interrupt-controller |
| 64 | - "#interrupt-cells" |
| 65 | - "#gpio-cells" |
| 66 | - gpio-controller |
| 67 | |
| 68 | additionalProperties: false |
| 69 | |
| 70 | required: |
| 71 | - compatible |
| 72 | - reg |
| 73 | - '#address-cells' |
| 74 | - '#size-cells' |
| 75 | |
| 76 | additionalProperties: false |
| 77 | |
| 78 | examples: |
| 79 | - | |
| 80 | pinctrl@80018000 { |
| 81 | #address-cells = <1>; |
| 82 | #size-cells = <0>; |
| 83 | compatible = "fsl,imx28-pinctrl"; |
| 84 | reg = <0x80018000 0x2000>; |
| 85 | |
| 86 | gpio@0 { |
| 87 | compatible = "fsl,imx28-gpio"; |
| 88 | reg = <0>; |
| 89 | interrupts = <127>; |
| 90 | gpio-controller; |
| 91 | #gpio-cells = <2>; |
| 92 | interrupt-controller; |
| 93 | #interrupt-cells = <2>; |
| 94 | }; |
| 95 | |
| 96 | gpio@1 { |
| 97 | compatible = "fsl,imx28-gpio"; |
| 98 | reg = <1>; |
| 99 | interrupts = <126>; |
| 100 | gpio-controller; |
| 101 | #gpio-cells = <2>; |
| 102 | interrupt-controller; |
| 103 | #interrupt-cells = <2>; |
| 104 | }; |
| 105 | |
| 106 | gpio@2 { |
| 107 | compatible = "fsl,imx28-gpio"; |
| 108 | reg = <2>; |
| 109 | interrupts = <125>; |
| 110 | gpio-controller; |
| 111 | #gpio-cells = <2>; |
| 112 | interrupt-controller; |
| 113 | #interrupt-cells = <2>; |
| 114 | }; |
| 115 | |
| 116 | gpio@3 { |
| 117 | compatible = "fsl,imx28-gpio"; |
| 118 | reg = <3>; |
| 119 | interrupts = <124>; |
| 120 | gpio-controller; |
| 121 | #gpio-cells = <2>; |
| 122 | interrupt-controller; |
| 123 | #interrupt-cells = <2>; |
| 124 | }; |
| 125 | |
| 126 | gpio@4 { |
| 127 | compatible = "fsl,imx28-gpio"; |
| 128 | reg = <4>; |
| 129 | interrupts = <123>; |
| 130 | gpio-controller; |
| 131 | #gpio-cells = <2>; |
| 132 | interrupt-controller; |
| 133 | #interrupt-cells = <2>; |
| 134 | }; |
| 135 | }; |