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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,sci.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Renesas Serial Communication Interface
maintainers:
- Geert Uytterhoeven <geert+renesas@glider.be>
allOf:
- $ref: serial.yaml#
properties:
compatible:
oneOf:
- items:
- enum:
- renesas,r9a07g044-sci # RZ/G2{L,LC}
- renesas,r9a07g054-sci # RZ/V2L
- const: renesas,sci # generic SCI compatible UART
- items:
- const: renesas,sci # generic SCI compatible UART
reg:
maxItems: 1
interrupts:
items:
- description: Error interrupt
- description: Receive buffer full interrupt
- description: Transmit buffer empty interrupt
- description: Transmit end interrupt
interrupt-names:
items:
- const: eri
- const: rxi
- const: txi
- const: tei
clocks:
minItems: 1
maxItems: 2
clock-names:
minItems: 1
maxItems: 2
items:
enum:
- fck # UART functional clock
- sck # optional external clock input
uart-has-rtscts: false
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
if:
properties:
compatible:
contains:
enum:
- renesas,r9a07g044-sci
- renesas,r9a07g054-sci
then:
properties:
resets:
maxItems: 1
power-domains:
maxItems: 1
required:
- resets
- power-domains
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/r9a07g044-cpg.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
aliases {
serial0 = &sci0;
};
sci0: serial@1004d000 {
compatible = "renesas,r9a07g044-sci", "renesas,sci";
reg = <0x1004d000 0x400>;
interrupts = <GIC_SPI 405 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 408 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "eri", "rxi", "txi", "tei";
clocks = <&cpg CPG_MOD R9A07G044_SCI0_CLKP>;
clock-names = "fck";
power-domains = <&cpg>;
resets = <&cpg R9A07G044_SCI0_RST>;
};
|
