| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/serial/ingenic,uart.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Ingenic SoCs UART controller devicetree bindings |
| |
| maintainers: |
| - Paul Cercueil <paul@crapouillou.net> |
| |
| allOf: |
| - $ref: serial.yaml# |
| |
| properties: |
| $nodename: |
| pattern: "^serial@[0-9a-f]+$" |
| |
| compatible: |
| oneOf: |
| - enum: |
| - ingenic,jz4740-uart |
| - ingenic,jz4760-uart |
| - ingenic,jz4780-uart |
| - ingenic,x1000-uart |
| - items: |
| - enum: |
| - ingenic,jz4770-uart |
| - ingenic,jz4775-uart |
| - const: ingenic,jz4760-uart |
| - items: |
| - const: ingenic,jz4725b-uart |
| - const: ingenic,jz4740-uart |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| items: |
| - description: Baud clock |
| - description: UART module clock |
| |
| clock-names: |
| items: |
| - const: baud |
| - const: module |
| |
| dmas: |
| items: |
| - description: DMA controller phandle and request line for RX |
| - description: DMA controller phandle and request line for TX |
| |
| dma-names: |
| items: |
| - const: rx |
| - const: tx |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| - clock-names |
| - dmas |
| - dma-names |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/jz4780-cgu.h> |
| #include <dt-bindings/dma/jz4780-dma.h> |
| #include <dt-bindings/gpio/gpio.h> |
| serial@10032000 { |
| compatible = "ingenic,jz4780-uart"; |
| reg = <0x10032000 0x100>; |
| |
| interrupt-parent = <&intc>; |
| interrupts = <49>; |
| |
| clocks = <&ext>, <&cgu JZ4780_CLK_UART2>; |
| clock-names = "baud", "module"; |
| |
| dmas = <&dma JZ4780_DMA_UART2_RX 0xffffffff>, |
| <&dma JZ4780_DMA_UART2_TX 0xffffffff>; |
| dma-names = "rx", "tx"; |
| |
| bluetooth { |
| compatible = "brcm,bcm4330-bt"; |
| reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>; |
| vbat-supply = <&wlan0_power>; |
| device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>; |
| host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>; |
| shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>; |
| }; |
| }; |