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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/serial/renesas,em-uart.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Renesas EMMA Mobile UART Interface
maintainers:
- Magnus Damm <magnus.damm@gmail.com>
properties:
compatible:
oneOf:
- items:
- enum:
- renesas,r9a09g011-uart # RZ/V2M
- const: renesas,em-uart # generic EMMA Mobile compatible UART
- items:
- const: renesas,em-uart # generic EMMA Mobile compatible UART
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 1
items:
- description: UART functional clock
- description: Internal clock to access the registers
clock-names:
minItems: 1
items:
- const: sclk
- const: pclk
allOf:
- $ref: serial.yaml#
- if:
properties:
compatible:
contains:
const: renesas,r9a09g011-uart
then:
properties:
clocks:
minItems: 2
clock-names:
minItems: 2
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
uart0: serial@e1020000 {
compatible = "renesas,em-uart";
reg = <0xe1020000 0x38>;
interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&usia_u0_sclk>;
clock-names = "sclk";
};
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