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2446bd692e
Convert the Marvell Armada-3700 UART binding to DT schema. It is a straight-forward conversion. Drop the long deprecated single interrupt support. Signed-off-by: "Rob Herring (Arm)" <robh@kernel.org> Link: https://lore.kernel.org/r/20250507154408.1595932-1-robh@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
103 lines
2.3 KiB
YAML
103 lines
2.3 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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$id: http://devicetree.org/schemas/serial/marvell,armada-3700-uart.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Marvell Armada-3700 UART
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maintainers:
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- Pali Rohár <pali@kernel.org>
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description:
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Marvell UART is a non standard UART used in some of Marvell EBU SoCs (e.g.
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Armada-3700).
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properties:
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compatible:
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enum:
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- marvell,armada-3700-uart
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- marvell,armada-3700-uart-ext
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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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description:
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UART reference clock used to derive the baud rate. If absent, only fixed
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baud rate from the bootloader is supported.
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interrupts:
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minItems: 2
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items:
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- description: UART sum interrupt
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- description: UART TX interrupt
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- description: UART RX interrupt
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interrupt-names:
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minItems: 2
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maxItems: 3
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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-names
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unevaluatedProperties: false
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allOf:
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- $ref: /schemas/serial/serial.yaml#
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- if:
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properties:
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compatible:
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const: marvell,armada-3700-uart-ext
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then:
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properties:
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interrupts:
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maxItems: 2
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interrupt-names:
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items:
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- const: uart-tx
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- const: uart-rx
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else:
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properties:
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interrupts:
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minItems: 3
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interrupt-names:
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items:
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- const: uart-sum
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- const: uart-tx
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- const: uart-rx
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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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serial@12000 {
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compatible = "marvell,armada-3700-uart";
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reg = <0x12000 0x18>;
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clocks = <&uartclk 0>;
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interrupts =
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<GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "uart-sum", "uart-tx", "uart-rx";
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};
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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serial@12200 {
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compatible = "marvell,armada-3700-uart-ext";
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reg = <0x12200 0x30>;
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clocks = <&uartclk 1>;
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interrupts =
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<GIC_SPI 30 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 31 IRQ_TYPE_EDGE_RISING>;
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interrupt-names = "uart-tx", "uart-rx";
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};
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