167 lines
3.5 KiB
YAML
167 lines
3.5 KiB
YAML
# 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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$id: http://devicetree.org/schemas/serial/renesas,rsci.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas RSCI Serial Communication Interface
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maintainers:
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- Geert Uytterhoeven <geert+renesas@glider.be>
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- Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
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properties:
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compatible:
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oneOf:
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- enum:
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- renesas,r9a09g047-rsci # RZ/G3E
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- renesas,r9a09g077-rsci # RZ/T2H
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- items:
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- enum:
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- renesas,r9a09g056-rsci # RZ/V2N
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- renesas,r9a09g057-rsci # RZ/V2H(P)
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- const: renesas,r9a09g047-rsci
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- items:
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- const: renesas,r9a09g087-rsci # RZ/N2H
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- const: renesas,r9a09g077-rsci # RZ/T2H
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reg:
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maxItems: 1
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interrupts:
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minItems: 4
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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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- description: Active edge detection interrupt
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- description: Break field detection interrupt
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interrupt-names:
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minItems: 4
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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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- const: aed
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- const: bfd
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clocks:
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minItems: 2
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maxItems: 6
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clock-names:
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oneOf:
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- items:
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- const: operation
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- const: bus
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- const: sck # optional external clock input
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minItems: 2
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- items:
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- const: pclk
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- const: tclk
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- const: tclk_div4
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- const: tclk_div16
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- const: tclk_div64
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- const: sck # optional external clock input
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minItems: 5
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resets:
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items:
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- description: Input for resetting the APB clock
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- description: Input for resetting TCLK
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reset-names:
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items:
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- const: presetn
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- const: tresetn
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power-domains:
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maxItems: 1
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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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- power-domains
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allOf:
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- $ref: serial.yaml#
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- if:
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properties:
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compatible:
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contains:
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const: renesas,r9a09g077-rsci
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then:
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properties:
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interrupts:
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maxItems: 4
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interrupt-names:
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maxItems: 4
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clocks:
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minItems: 2
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maxItems: 3
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clock-names:
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minItems: 2
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maxItems: 3
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resets: false
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- if:
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properties:
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compatible:
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contains:
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const: renesas,r9a09g047-rsci
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then:
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properties:
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interrupts:
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minItems: 6
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interrupt-names:
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minItems: 6
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clocks:
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minItems: 5
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maxItems: 6
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clock-names:
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minItems: 5
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maxItems: 6
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required:
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- resets
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- reset-names
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/renesas-cpg-mssr.h>
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sci0: serial@80005000 {
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compatible = "renesas,r9a09g077-rsci";
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reg = <0x80005000 0x400>;
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interrupts = <GIC_SPI 590 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 591 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 592 IRQ_TYPE_EDGE_RISING>,
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<GIC_SPI 593 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "eri", "rxi", "txi", "tei";
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clocks = <&cpg CPG_MOD 8>, <&cpg CPG_CORE 13>;
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clock-names = "operation", "bus";
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power-domains = <&cpg>;
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};
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