122 lines
2.9 KiB
YAML
122 lines
2.9 KiB
YAML
# 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,mt8127-uart
|
|
- mediatek,mt8135-uart
|
|
- mediatek,mt8173-uart
|
|
- mediatek,mt8183-uart
|
|
- mediatek,mt8186-uart
|
|
- mediatek,mt8188-uart
|
|
- mediatek,mt8192-uart
|
|
- mediatek,mt8195-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";
|
|
};
|