| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) | |
| %YAML 1.2 | |
| --- | |
| $id: http://devicetree.org/schemas/serial/mediatek,uart.yaml# | |
| $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| title: MediaTek Universal Asynchronous Receiver/Transmitter (UART) | |
| maintainers: | |
| - Matthias Brugger <matthias.bgg@gmail.com> | |
| allOf: | |
| - $ref: serial.yaml# | |
| description: | | |
| The MediaTek UART is based on the basic 8250 UART and compatible | |
| with 16550A, with enhancements for high speed baud rates and | |
| support for DMA. | |
| properties: | |
| compatible: | |
| oneOf: | |
| - const: mediatek,mt6577-uart | |
| - items: | |
| - enum: | |
| - mediatek,mt2701-uart | |
| - mediatek,mt2712-uart | |
| - mediatek,mt6572-uart | |
| - mediatek,mt6580-uart | |
| - mediatek,mt6582-uart | |
| - mediatek,mt6589-uart | |
| - mediatek,mt6755-uart | |
| - mediatek,mt6765-uart | |
| - mediatek,mt6779-uart | |
| - mediatek,mt6795-uart | |
| - mediatek,mt6797-uart | |
| - mediatek,mt6893-uart | |
| - mediatek,mt7622-uart | |
| - mediatek,mt7623-uart | |
| - mediatek,mt7629-uart | |
| - mediatek,mt7981-uart | |
| - mediatek,mt7986-uart | |
| - mediatek,mt7988-uart | |
| - mediatek,mt8127-uart | |
| - mediatek,mt8135-uart | |
| - mediatek,mt8173-uart | |
| - mediatek,mt8183-uart | |
| - mediatek,mt8186-uart | |
| - mediatek,mt8188-uart | |
| - mediatek,mt8192-uart | |
| - mediatek,mt8195-uart | |
| - mediatek,mt8365-uart | |
| - mediatek,mt8516-uart | |
| - const: mediatek,mt6577-uart | |
| reg: | |
| description: The base address of the UART register bank | |
| maxItems: 1 | |
| clocks: | |
| minItems: 1 | |
| items: | |
| - description: The clock the baudrate is derived from | |
| - description: The bus clock for register accesses | |
| clock-names: | |
| minItems: 1 | |
| items: | |
| - const: baud | |
| - const: bus | |
| dmas: | |
| items: | |
| - description: phandle to TX DMA | |
| - description: phandle to RX DMA | |
| dma-names: | |
| items: | |
| - const: tx | |
| - const: rx | |
| interrupts: | |
| minItems: 1 | |
| maxItems: 2 | |
| interrupt-names: | |
| description: | |
| The UART interrupt and optionally the RX in-band wakeup interrupt. | |
| minItems: 1 | |
| items: | |
| - const: uart | |
| - const: wakeup | |
| pinctrl-0: true | |
| pinctrl-1: true | |
| pinctrl-names: | |
| minItems: 1 | |
| items: | |
| - const: default | |
| - const: sleep | |
| required: | |
| - compatible | |
| - reg | |
| - clocks | |
| - interrupts | |
| unevaluatedProperties: false | |
| examples: | |
| - | | |
| #include <dt-bindings/interrupt-controller/arm-gic.h> | |
| serial@11006000 { | |
| compatible = "mediatek,mt6589-uart", "mediatek,mt6577-uart"; | |
| reg = <0x11006000 0x400>; | |
| interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>, | |
| <GIC_SPI 52 IRQ_TYPE_EDGE_FALLING>; | |
| interrupt-names = "uart", "wakeup"; | |
| clocks = <&uart_clk>, <&bus_clk>; | |
| clock-names = "baud", "bus"; | |
| pinctrl-0 = <&uart_pin>; | |
| pinctrl-1 = <&uart_pin_sleep>; | |
| pinctrl-names = "default", "sleep"; | |
| }; |