198 lines
5.7 KiB
YAML
198 lines
5.7 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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$id: "http://devicetree.org/schemas/serial/renesas,scif.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Renesas Serial Communication Interface with FIFO (SCIF)
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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,scif-r7s72100 # RZ/A1H
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- const: renesas,scif # generic SCIF compatible UART
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- items:
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- enum:
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- renesas,scif-r7s9210 # RZ/A2
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- items:
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- enum:
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- renesas,scif-r8a7778 # R-Car M1
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- renesas,scif-r8a7779 # R-Car H1
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- const: renesas,rcar-gen1-scif # R-Car Gen1
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- const: renesas,scif # generic SCIF compatible UART
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- items:
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- enum:
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- renesas,scif-r8a7742 # RZ/G1H
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- renesas,scif-r8a7743 # RZ/G1M
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- renesas,scif-r8a7744 # RZ/G1N
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- renesas,scif-r8a7745 # RZ/G1E
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- renesas,scif-r8a77470 # RZ/G1C
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- renesas,scif-r8a7790 # R-Car H2
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- renesas,scif-r8a7791 # R-Car M2-W
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- renesas,scif-r8a7792 # R-Car V2H
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- renesas,scif-r8a7793 # R-Car M2-N
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- renesas,scif-r8a7794 # R-Car E2
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- const: renesas,rcar-gen2-scif # R-Car Gen2 and RZ/G1
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- const: renesas,scif # generic SCIF compatible UART
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- items:
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- enum:
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- renesas,scif-r8a774a1 # RZ/G2M
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- renesas,scif-r8a774b1 # RZ/G2N
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- renesas,scif-r8a774c0 # RZ/G2E
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- renesas,scif-r8a774e1 # RZ/G2H
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- renesas,scif-r8a7795 # R-Car H3
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- renesas,scif-r8a7796 # R-Car M3-W
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- renesas,scif-r8a77961 # R-Car M3-W+
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- renesas,scif-r8a77965 # R-Car M3-N
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- renesas,scif-r8a77970 # R-Car V3M
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- renesas,scif-r8a77980 # R-Car V3H
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- renesas,scif-r8a77990 # R-Car E3
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- renesas,scif-r8a77995 # R-Car D3
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- const: renesas,rcar-gen3-scif # R-Car Gen3 and RZ/G2
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- const: renesas,scif # generic SCIF compatible UART
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- items:
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- enum:
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- renesas,scif-r8a779a0 # R-Car V3U
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- renesas,scif-r8a779f0 # R-Car S4-8
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- const: renesas,rcar-gen4-scif # R-Car Gen4
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- const: renesas,scif # generic SCIF compatible UART
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- items:
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- enum:
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- renesas,scif-r9a07g044 # RZ/G2{L,LC}
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- items:
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- enum:
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- renesas,scif-r9a07g043 # RZ/G2UL and RZ/Five
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- renesas,scif-r9a07g054 # RZ/V2L
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- const: renesas,scif-r9a07g044 # RZ/G2{L,LC} fallback
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reg:
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maxItems: 1
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interrupts:
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oneOf:
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- items:
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- description: A combined interrupt
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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: Break interrupt
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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: Break interrupt
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- description: Data Ready interrupt
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- description: Transmit End interrupt
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interrupt-names:
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oneOf:
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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: bri
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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: bri
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- const: dri
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- const: tei
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clocks:
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minItems: 1
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maxItems: 4
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clock-names:
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minItems: 1
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maxItems: 4
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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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- brg_int # optional internal clock source for BRG frequency divider
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- scif_clk # optional external clock source for BRG frequency divider
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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dmas:
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minItems: 2
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maxItems: 4
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description:
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Must contain a list of pairs of references to DMA specifiers, one for
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transmission, and one for reception.
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dma-names:
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minItems: 2
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maxItems: 4
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items:
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enum:
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- tx
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- rx
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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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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,rcar-gen2-scif
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- renesas,rcar-gen3-scif
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- renesas,rcar-gen4-scif
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- renesas,scif-r9a07g044
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then:
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required:
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- resets
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a7791-cpg-mssr.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/power/r8a7791-sysc.h>
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aliases {
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serial0 = &scif0;
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};
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scif0: serial@e6e60000 {
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compatible = "renesas,scif-r8a7791", "renesas,rcar-gen2-scif",
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"renesas,scif";
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reg = <0xe6e60000 64>;
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interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 721>, <&cpg CPG_CORE R8A7791_CLK_ZS>,
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<&scif_clk>;
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clock-names = "fck", "brg_int", "scif_clk";
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dmas = <&dmac0 0x29>, <&dmac0 0x2a>, <&dmac1 0x29>, <&dmac1 0x2a>;
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dma-names = "tx", "rx", "tx", "rx";
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power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
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resets = <&cpg 721>;
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};
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