mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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4e9d730341
Add optional ngpios and gpio-reserved-ranges property. Reviewed-by: Frank Li <Frank.Li@nxp.com> Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20250520-gpio-dts-v3-1-04771c6cf325@nxp.com Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
136 lines
2.7 KiB
YAML
136 lines
2.7 KiB
YAML
# 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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$id: http://devicetree.org/schemas/gpio/gpio-vf610.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Freescale VF610 PORT/GPIO module
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maintainers:
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- Stefan Agner <stefan@agner.ch>
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description: |
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The Freescale PORT/GPIO modules are two adjacent modules providing GPIO
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functionality. Each pair serves 32 GPIOs. The VF610 has 5 instances of
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each, and each PORT module has its own interrupt.
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Note: Each GPIO port should have an alias correctly numbered in "aliases"
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node.
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properties:
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compatible:
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oneOf:
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- const: fsl,imx8ulp-gpio
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- const: fsl,vf610-gpio
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- items:
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- const: fsl,imx7ulp-gpio
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- const: fsl,vf610-gpio
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- items:
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- enum:
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- fsl,imx93-gpio
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- fsl,imx94-gpio
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- fsl,imx95-gpio
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- const: fsl,imx8ulp-gpio
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reg:
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minItems: 1
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maxItems: 2
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interrupts:
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items:
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- description: GPIO Trustzone non-secure interrupt number
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- description: GPIO Trustzone secure interrupt number
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minItems: 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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gpio-line-names:
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minItems: 1
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maxItems: 32
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clocks:
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items:
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- description: SoC GPIO clock
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- description: SoC PORT clock
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clock-names:
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items:
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- const: gpio
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- const: port
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gpio-ranges:
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minItems: 1
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maxItems: 4
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gpio-reserved-ranges: true
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ngpios:
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minimum: 1
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maximum: 32
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default: 32
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patternProperties:
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"^.+-hog(-[0-9]+)?$":
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type: object
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required:
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- gpio-hog
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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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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- fsl,vf610-gpio
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- fsl,imx7ulp-gpio
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then:
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properties:
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interrupts:
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maxItems: 1
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reg:
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items:
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- description: PORT register base address
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- description: GPIO register base address
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else:
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properties:
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interrupts:
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minItems: 2
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reg:
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items:
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- description: GPIO register base address
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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gpio1: gpio@40049000 {
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compatible = "fsl,vf610-gpio";
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reg = <0x40049000 0x1000>, <0x400ff000 0x40>;
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interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
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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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gpio-ranges = <&iomuxc 0 0 32>;
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};
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