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136 lines
3.1 KiB
136 lines
3.1 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/gpio/gpio-mxs.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Freescale MXS GPIO controller |
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maintainers: |
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- Shawn Guo <[email protected]> |
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- Anson Huang <[email protected]> |
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description: | |
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The Freescale MXS GPIO controller is part of MXS PIN controller. |
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The GPIOs are organized in port/bank, each port consists of 32 GPIOs. |
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As the GPIO controller is embedded in the PIN controller and all the |
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GPIO ports share the same IO space with PIN controller, the GPIO node |
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will be represented as sub-nodes of MXS pinctrl node. |
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properties: |
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compatible: |
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enum: |
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- fsl,imx23-pinctrl |
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- fsl,imx28-pinctrl |
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'#address-cells': |
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const: 1 |
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'#size-cells': |
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const: 0 |
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reg: |
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maxItems: 1 |
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patternProperties: |
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"gpio@[0-9]+$": |
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type: object |
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properties: |
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compatible: |
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enum: |
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- fsl,imx23-gpio |
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- fsl,imx28-gpio |
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reg: |
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maxItems: 1 |
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interrupts: |
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description: Should be the port interrupt shared by all 32 pins. |
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maxItems: 1 |
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interrupt-controller: true |
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"#interrupt-cells": |
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const: 2 |
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"#gpio-cells": |
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const: 2 |
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gpio-controller: true |
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required: |
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- compatible |
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- reg |
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- interrupts |
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- interrupt-controller |
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- "#interrupt-cells" |
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- "#gpio-cells" |
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- gpio-controller |
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additionalProperties: false |
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required: |
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- compatible |
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- reg |
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- '#address-cells' |
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- '#size-cells' |
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additionalProperties: false |
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examples: |
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- | |
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pinctrl@80018000 { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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compatible = "fsl,imx28-pinctrl"; |
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reg = <0x80018000 0x2000>; |
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gpio@0 { |
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compatible = "fsl,imx28-gpio"; |
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reg = <0>; |
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interrupts = <127>; |
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gpio-controller; |
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#gpio-cells = <2>; |
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interrupt-controller; |
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#interrupt-cells = <2>; |
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}; |
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gpio@1 { |
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compatible = "fsl,imx28-gpio"; |
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reg = <1>; |
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interrupts = <126>; |
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gpio-controller; |
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#gpio-cells = <2>; |
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interrupt-controller; |
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#interrupt-cells = <2>; |
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}; |
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gpio@2 { |
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compatible = "fsl,imx28-gpio"; |
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reg = <2>; |
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interrupts = <125>; |
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gpio-controller; |
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#gpio-cells = <2>; |
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interrupt-controller; |
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#interrupt-cells = <2>; |
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}; |
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gpio@3 { |
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compatible = "fsl,imx28-gpio"; |
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reg = <3>; |
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interrupts = <124>; |
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gpio-controller; |
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#gpio-cells = <2>; |
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interrupt-controller; |
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#interrupt-cells = <2>; |
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}; |
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gpio@4 { |
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compatible = "fsl,imx28-gpio"; |
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reg = <4>; |
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interrupts = <123>; |
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gpio-controller; |
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#gpio-cells = <2>; |
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interrupt-controller; |
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#interrupt-cells = <2>; |
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}; |
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};
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