| 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 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Freescale MXS GPIO controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Shawn Guo <shawnguo@kernel.org> |
| 11 | - Anson Huang <Anson.Huang@nxp.com> |
| 12 | |
| 13 | description: | |
| 14 | The Freescale MXS GPIO controller is part of MXS PIN controller. |
| 15 | The GPIOs are organized in port/bank, each port consists of 32 GPIOs. |
| 16 | As the GPIO controller is embedded in the PIN controller and all the |
| 17 | GPIO ports share the same IO space with PIN controller, the GPIO node |
| 18 | will be represented as sub-nodes of MXS pinctrl node. |
| 19 | |
| 20 | properties: |
| 21 | compatible: |
| 22 | enum: |
| 23 | - fsl,imx23-pinctrl |
| 24 | - fsl,imx28-pinctrl |
| 25 | |
| 26 | '#address-cells': |
| 27 | const: 1 |
| 28 | '#size-cells': |
| 29 | const: 0 |
| 30 | |
| 31 | reg: |
| 32 | maxItems: 1 |
| 33 | |
| 34 | patternProperties: |
| 35 | "gpio@[0-9]+$": |
| 36 | type: object |
| 37 | properties: |
| 38 | compatible: |
| 39 | enum: |
| 40 | - fsl,imx23-gpio |
| 41 | - fsl,imx28-gpio |
| 42 | |
| 43 | reg: |
| 44 | maxItems: 1 |
| 45 | |
| 46 | interrupts: |
| 47 | description: Should be the port interrupt shared by all 32 pins. |
| 48 | maxItems: 1 |
| 49 | |
| 50 | interrupt-controller: true |
| 51 | |
| 52 | "#interrupt-cells": |
| 53 | const: 2 |
| 54 | |
| 55 | "#gpio-cells": |
| 56 | const: 2 |
| 57 | |
| 58 | gpio-controller: true |
| 59 | |
| 60 | required: |
| 61 | - compatible |
| 62 | - reg |
| 63 | - interrupts |
| 64 | - interrupt-controller |
| 65 | - "#interrupt-cells" |
| 66 | - "#gpio-cells" |
| 67 | - gpio-controller |
| 68 | |
| 69 | additionalProperties: false |
| 70 | |
| 71 | required: |
| 72 | - compatible |
| 73 | - reg |
| 74 | - '#address-cells' |
| 75 | - '#size-cells' |
| 76 | |
| 77 | additionalProperties: false |
| 78 | |
| 79 | examples: |
| 80 | - | |
| 81 | pinctrl@80018000 { |
| 82 | #address-cells = <1>; |
| 83 | #size-cells = <0>; |
| 84 | compatible = "fsl,imx28-pinctrl"; |
| 85 | reg = <0x80018000 0x2000>; |
| 86 | |
| 87 | gpio@0 { |
| 88 | compatible = "fsl,imx28-gpio"; |
| 89 | reg = <0>; |
| 90 | interrupts = <127>; |
| 91 | gpio-controller; |
| 92 | #gpio-cells = <2>; |
| 93 | interrupt-controller; |
| 94 | #interrupt-cells = <2>; |
| 95 | }; |
| 96 | |
| 97 | gpio@1 { |
| 98 | compatible = "fsl,imx28-gpio"; |
| 99 | reg = <1>; |
| 100 | interrupts = <126>; |
| 101 | gpio-controller; |
| 102 | #gpio-cells = <2>; |
| 103 | interrupt-controller; |
| 104 | #interrupt-cells = <2>; |
| 105 | }; |
| 106 | |
| 107 | gpio@2 { |
| 108 | compatible = "fsl,imx28-gpio"; |
| 109 | reg = <2>; |
| 110 | interrupts = <125>; |
| 111 | gpio-controller; |
| 112 | #gpio-cells = <2>; |
| 113 | interrupt-controller; |
| 114 | #interrupt-cells = <2>; |
| 115 | }; |
| 116 | |
| 117 | gpio@3 { |
| 118 | compatible = "fsl,imx28-gpio"; |
| 119 | reg = <3>; |
| 120 | interrupts = <124>; |
| 121 | gpio-controller; |
| 122 | #gpio-cells = <2>; |
| 123 | interrupt-controller; |
| 124 | #interrupt-cells = <2>; |
| 125 | }; |
| 126 | |
| 127 | gpio@4 { |
| 128 | compatible = "fsl,imx28-gpio"; |
| 129 | reg = <4>; |
| 130 | interrupts = <123>; |
| 131 | gpio-controller; |
| 132 | #gpio-cells = <2>; |
| 133 | interrupt-controller; |
| 134 | #interrupt-cells = <2>; |
| 135 | }; |
| 136 | }; |