xref: /linux/Documentation/devicetree/bindings/serial/snps,arc-uart.yaml (revision 378ec25aec5a8444879f8696d580c94950a1f1df)
1*6259530cSRob Herring (Arm)# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*6259530cSRob Herring (Arm)%YAML 1.2
3*6259530cSRob Herring (Arm)---
4*6259530cSRob Herring (Arm)$id: http://devicetree.org/schemas/serial/snps,arc-uart.yaml#
5*6259530cSRob Herring (Arm)$schema: http://devicetree.org/meta-schemas/core.yaml#
6*6259530cSRob Herring (Arm)
7*6259530cSRob Herring (Arm)title: Synopsys ARC UART
8*6259530cSRob Herring (Arm)
9*6259530cSRob Herring (Arm)maintainers:
10*6259530cSRob Herring (Arm)  - Vineet Gupta <vgupta@kernel.org>
11*6259530cSRob Herring (Arm)
12*6259530cSRob Herring (Arm)description:
13*6259530cSRob Herring (Arm)  Synopsys ARC UART is a non-standard UART used in some of the ARC FPGA boards.
14*6259530cSRob Herring (Arm)
15*6259530cSRob Herring (Arm)allOf:
16*6259530cSRob Herring (Arm)  - $ref: /schemas/serial/serial.yaml#
17*6259530cSRob Herring (Arm)
18*6259530cSRob Herring (Arm)properties:
19*6259530cSRob Herring (Arm)  compatible:
20*6259530cSRob Herring (Arm)    const: snps,arc-uart
21*6259530cSRob Herring (Arm)
22*6259530cSRob Herring (Arm)  reg:
23*6259530cSRob Herring (Arm)    maxItems: 1
24*6259530cSRob Herring (Arm)
25*6259530cSRob Herring (Arm)  interrupts:
26*6259530cSRob Herring (Arm)    maxItems: 1
27*6259530cSRob Herring (Arm)
28*6259530cSRob Herring (Arm)  clock-frequency:
29*6259530cSRob Herring (Arm)    description: the input clock frequency for the UART
30*6259530cSRob Herring (Arm)
31*6259530cSRob Herring (Arm)  current-speed:
32*6259530cSRob Herring (Arm)    description: baud rate for UART
33*6259530cSRob Herring (Arm)
34*6259530cSRob Herring (Arm)required:
35*6259530cSRob Herring (Arm)  - compatible
36*6259530cSRob Herring (Arm)  - reg
37*6259530cSRob Herring (Arm)  - interrupts
38*6259530cSRob Herring (Arm)  - clock-frequency
39*6259530cSRob Herring (Arm)  - current-speed
40*6259530cSRob Herring (Arm)
41*6259530cSRob Herring (Arm)unevaluatedProperties: false
42*6259530cSRob Herring (Arm)
43*6259530cSRob Herring (Arm)examples:
44*6259530cSRob Herring (Arm)  - |
45*6259530cSRob Herring (Arm)    serial@c0fc1000 {
46*6259530cSRob Herring (Arm)        compatible = "snps,arc-uart";
47*6259530cSRob Herring (Arm)        reg = <0xc0fc1000 0x100>;
48*6259530cSRob Herring (Arm)        interrupts = <5>;
49*6259530cSRob Herring (Arm)        clock-frequency = <80000000>;
50*6259530cSRob Herring (Arm)        current-speed = <115200>;
51*6259530cSRob Herring (Arm)    };
52