| # 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,mt6580-uart |
| - mediatek,mt6582-uart |
| - mediatek,mt6589-uart |
| - mediatek,mt6755-uart |
| - mediatek,mt6765-uart |
| - mediatek,mt6779-uart |
| - mediatek,mt6795-uart |
| - mediatek,mt6797-uart |
| - mediatek,mt7622-uart |
| - mediatek,mt7623-uart |
| - mediatek,mt7629-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"; |
| }; |