brcm,bcm7271-uart.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/serial/brcm,bcm7271-uart.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Broadcom 8250 based serial port devicetree bindings
    8 
    9 maintainers:
   10   - Al Cooper <alcooperx@gmail.com>
   11 
   12 allOf:
   13   - $ref: serial.yaml#
   14 
   15 description: |+
   16   The Broadcom UART is based on the basic 8250 UART but with
   17   enhancements for more accurate high speed baud rates and support
   18   for DMA.
   19 
   20 properties:
   21   compatible:
   22     items:
   23       - enum:
   24           - brcm,bcm7271-uart
   25           - brcm,bcm7278-uart
   26 
   27   reg:
   28     minItems: 1
   29     maxItems: 5
   30 
   31   reg-names:
   32     description: The UART register block and optionally the DMA register blocks.
   33     oneOf:
   34       - items:
   35           - const: uart
   36       - items:
   37           - const: uart
   38           - const: dma_arb
   39           - const: dma_rx
   40           - const: dma_tx
   41           - const: dma_intr2
   42 
   43   clocks:
   44     minItems: 1
   45 
   46   clock-names:
   47     const: sw_baud
   48 
   49   interrupts:
   50     minItems: 1
   51     maxItems: 2
   52 
   53   interrupt-names:
   54     description: The UART interrupt and optionally the DMA interrupt.
   55     minItems: 1
   56     items:
   57       - const: uart
   58       - const: dma
   59 
   60 required:
   61   - compatible
   62   - reg
   63   - reg-names
   64   - clocks
   65   - clock-names
   66   - interrupts
   67   - interrupt-names
   68 
   69 unevaluatedProperties: false
   70 
   71 examples:
   72   - |
   73     serial@840d000 {
   74         compatible = "brcm,bcm7271-uart";
   75         reg = <0x840d000 0x20>;
   76         reg-names = "uart";
   77         interrupts = <0x0 0x62 0x4>;
   78         interrupt-names = "uart";
   79         clocks = <&scmi_clk 190>;
   80         clock-names = "sw_baud";
   81     };
   82 
   83     serial@840e000 {
   84         compatible = "brcm,bcm7271-uart";
   85         reg = <0x840e000 0x20>,
   86               <0x840e080 0x8>,
   87               <0x840e100 0xa8>,
   88               <0x840e200 0x4c>,
   89               <0x840e300 0x30>;
   90         reg-names = "uart", "dma_arb", "dma_rx", "dma_tx", "dma_intr2";
   91         interrupts = <0x0 0x62 0x4>, <0x0 0x75 0x4>;
   92         interrupt-names = "uart", "dma";
   93         clocks = <&scmi_clk 190>;
   94         clock-names = "sw_baud";
   95     };

Cache object: 95896b792bb38cc7115ab3f5a741ae33

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sys/contrib/device-tree/Bindings/serial/brcm,bcm7271-uart.yaml