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109 lines
2.4 KiB
109 lines
2.4 KiB
# 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 <[email protected]> |
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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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