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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,scifb.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Renesas Serial Communications Interface with FIFO B (SCIFB)
maintainers:
- Geert Uytterhoeven <geert+renesas@glider.be>
allOf:
- $ref: serial.yaml#
properties:
compatible:
oneOf:
- items:
- enum:
- renesas,scifb-r8a73a4 # R-Mobile APE6
- renesas,scifb-r8a7740 # R-Mobile A1
- renesas,scifb-sh73a0 # SH-Mobile AG5
- const: renesas,scifb # generic SCIFB compatible UART
- items:
- enum:
- renesas,scifb-r8a7742 # RZ/G1H
- renesas,scifb-r8a7743 # RZ/G1M
- renesas,scifb-r8a7744 # RZ/G1N
- renesas,scifb-r8a7745 # RZ/G1E
- renesas,scifb-r8a7790 # R-Car H2
- renesas,scifb-r8a7791 # R-Car M2-W
- renesas,scifb-r8a7793 # R-Car M2-N
- renesas,scifb-r8a7794 # R-Car E2
- const: renesas,rcar-gen2-scifb # R-Car Gen2 and RZ/G1
- const: renesas,scifb # generic SCIFB compatible UART
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 1
clock-names:
enum:
- fck # UART functional clock
power-domains:
maxItems: 1
resets:
maxItems: 1
dmas:
description:
Must contain a list of pairs of references to DMA specifiers, one for
transmission, and one for reception.
dma-names:
minItems: 2
maxItems: 4
items:
enum:
- tx
- rx
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- power-domains
if:
properties:
compatible:
contains:
enum:
- renesas,rcar-gen2-scifb
then:
required:
- resets
examples:
- |
#include <dt-bindings/clock/r8a7740-clock.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
scifb: serial@e6c30000 {
compatible = "renesas,scifb-r8a7740", "renesas,scifb";
reg = <0xe6c30000 0x100>;
interrupts = <GIC_SPI 108 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp2_clks R8A7740_CLK_SCIFB>;
clock-names = "fck";
power-domains = <&pd_a3sp>;
};
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