126 lines
2.9 KiB
YAML
126 lines
2.9 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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$id: http://devicetree.org/schemas/pinctrl/apple,pinctrl.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Apple GPIO controller
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maintainers:
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- Mark Kettenis <kettenis@openbsd.org>
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description: |
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The Apple GPIO controller is a simple combined pin and GPIO
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controller present on Apple ARM SoC platforms, including various
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iPhone and iPad devices and the "Apple Silicon" Macs.
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properties:
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compatible:
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items:
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- enum:
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- apple,t8103-pinctrl
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- apple,t8112-pinctrl
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- apple,t6000-pinctrl
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- const: apple,pinctrl
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reg:
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maxItems: 1
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clocks:
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maxItems: 1
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gpio-controller: true
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'#gpio-cells':
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const: 2
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gpio-ranges:
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maxItems: 1
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apple,npins:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: The number of pins in this GPIO controller.
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interrupts:
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description: One interrupt for each of the (up to 7) interrupt
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groups supported by the controller sorted by interrupt group
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number in ascending order.
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minItems: 1
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maxItems: 7
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interrupt-controller: true
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'#interrupt-cells':
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const: 2
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power-domains:
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maxItems: 1
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patternProperties:
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'-pins$':
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type: object
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$ref: pinmux-node.yaml#
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properties:
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pinmux:
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description:
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Values are constructed from pin number and alternate function
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configuration number using the APPLE_PINMUX() helper macro
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defined in include/dt-bindings/pinctrl/apple.h.
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required:
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- pinmux
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additionalProperties: false
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allOf:
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- $ref: pinctrl.yaml#
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required:
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- compatible
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- reg
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- gpio-controller
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- '#gpio-cells'
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- gpio-ranges
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- apple,npins
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/apple-aic.h>
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#include <dt-bindings/pinctrl/apple.h>
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soc {
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#address-cells = <2>;
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#size-cells = <2>;
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pinctrl: pinctrl@23c100000 {
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compatible = "apple,t8103-pinctrl", "apple,pinctrl";
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reg = <0x2 0x3c100000 0x0 0x100000>;
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clocks = <&gpio_clk>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl 0 0 212>;
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apple,npins = <212>;
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interrupt-controller;
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#interrupt-cells = <2>;
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interrupt-parent = <&aic>;
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interrupts = <AIC_IRQ 16 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 17 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 18 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 19 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 20 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 21 IRQ_TYPE_LEVEL_HIGH>,
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<AIC_IRQ 22 IRQ_TYPE_LEVEL_HIGH>;
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pcie_pins: pcie-pins {
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pinmux = <APPLE_PINMUX(150, 1)>,
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<APPLE_PINMUX(151, 1)>,
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<APPLE_PINMUX(32, 1)>;
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};
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};
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};
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