ingenic,uart.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/serial/ingenic,uart.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Ingenic SoCs UART controller
  8
  9maintainers:
 10  - Paul Cercueil <paul@crapouillou.net>
 11
 12allOf:
 13  - $ref: serial.yaml#
 14
 15properties:
 16  $nodename:
 17    pattern: "^serial@[0-9a-f]+$"
 18
 19  compatible:
 20    oneOf:
 21      - enum:
 22          - ingenic,jz4740-uart
 23          - ingenic,jz4750-uart
 24          - ingenic,jz4760-uart
 25          - ingenic,jz4780-uart
 26          - ingenic,x1000-uart
 27      - items:
 28          - enum:
 29              - ingenic,jz4770-uart
 30              - ingenic,jz4775-uart
 31          - const: ingenic,jz4760-uart
 32      - items:
 33          - const: ingenic,jz4725b-uart
 34          - const: ingenic,jz4740-uart
 35      - items:
 36          - const: ingenic,jz4755-uart
 37          - const: ingenic,jz4750-uart
 38
 39  reg:
 40    maxItems: 1
 41
 42  interrupts:
 43    maxItems: 1
 44
 45  clocks:
 46    items:
 47      - description: Baud clock
 48      - description: UART module clock
 49
 50  clock-names:
 51    items:
 52      - const: baud
 53      - const: module
 54
 55  dmas:
 56    items:
 57      - description: DMA controller phandle and request line for RX
 58      - description: DMA controller phandle and request line for TX
 59
 60  dma-names:
 61    items:
 62      - const: rx
 63      - const: tx
 64
 65required:
 66  - compatible
 67  - reg
 68  - interrupts
 69  - clocks
 70  - clock-names
 71  - dmas
 72  - dma-names
 73
 74unevaluatedProperties: false
 75
 76examples:
 77  - |
 78    #include <dt-bindings/clock/ingenic,jz4780-cgu.h>
 79    #include <dt-bindings/dma/jz4780-dma.h>
 80    #include <dt-bindings/gpio/gpio.h>
 81    serial@10032000 {
 82      compatible = "ingenic,jz4780-uart";
 83      reg = <0x10032000 0x100>;
 84
 85      interrupt-parent = <&intc>;
 86      interrupts = <49>;
 87
 88      clocks = <&ext>, <&cgu JZ4780_CLK_UART2>;
 89      clock-names = "baud", "module";
 90
 91      dmas = <&dma JZ4780_DMA_UART2_RX 0xffffffff>,
 92             <&dma JZ4780_DMA_UART2_TX 0xffffffff>;
 93      dma-names = "rx", "tx";
 94
 95      bluetooth {
 96        compatible = "brcm,bcm4330-bt";
 97        reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
 98        vbat-supply = <&wlan0_power>;
 99        device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
100        host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
101        shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
102      };
103    };