110 lines
2.4 KiB
YAML
110 lines
2.4 KiB
YAML
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/serial/renesas,sci.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Renesas Serial Communication Interface
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maintainers:
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- Geert Uytterhoeven <geert+renesas@glider.be>
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allOf:
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- $ref: serial.yaml#
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- renesas,r9a07g043-sci # RZ/G2UL
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- renesas,r9a07g044-sci # RZ/G2{L,LC}
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- renesas,r9a07g054-sci # RZ/V2L
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- const: renesas,sci # generic SCI compatible UART
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- items:
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- const: renesas,sci # generic SCI compatible UART
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reg:
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maxItems: 1
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interrupts:
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items:
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- description: Error interrupt
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- description: Receive buffer full interrupt
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- description: Transmit buffer empty interrupt
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- description: Transmit end interrupt
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interrupt-names:
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items:
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- const: eri
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- const: rxi
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- const: txi
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- const: tei
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clocks:
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minItems: 1
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maxItems: 2
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clock-names:
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minItems: 1
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maxItems: 2
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items:
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enum:
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- fck # UART functional clock
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- sck # optional external clock input
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uart-has-rtscts: false
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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if:
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properties:
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compatible:
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contains:
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enum:
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- renesas,r9a07g043-sci
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- renesas,r9a07g044-sci
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- renesas,r9a07g054-sci
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then:
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properties:
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resets:
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maxItems: 1
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power-domains:
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maxItems: 1
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required:
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- resets
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- power-domains
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r9a07g044-cpg.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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aliases {
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serial0 = &sci0;
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};
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sci0: serial@1004d000 {
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compatible = "renesas,r9a07g044-sci", "renesas,sci";
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reg = <0x1004d000 0x400>;
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interrupts = <GIC_SPI 405 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 408 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "eri", "rxi", "txi", "tei";
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clocks = <&cpg CPG_MOD R9A07G044_SCI0_CLKP>;
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clock-names = "fck";
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power-domains = <&cpg>;
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resets = <&cpg R9A07G044_SCI0_RST>;
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};
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