151 lines
4.4 KiB
YAML
151 lines
4.4 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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$id: "http://devicetree.org/schemas/serial/renesas,hscif.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Renesas High Speed Serial Communication Interface with FIFO (HSCIF)
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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,hscif-r8a7778 # R-Car M1
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- renesas,hscif-r8a7779 # R-Car H1
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- const: renesas,rcar-gen1-hscif # R-Car Gen1
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- const: renesas,hscif # generic HSCIF compatible UART
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- items:
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- enum:
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- renesas,hscif-r8a7742 # RZ/G1H
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- renesas,hscif-r8a7743 # RZ/G1M
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- renesas,hscif-r8a7744 # RZ/G1N
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- renesas,hscif-r8a7745 # RZ/G1E
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- renesas,hscif-r8a77470 # RZ/G1C
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- renesas,hscif-r8a7790 # R-Car H2
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- renesas,hscif-r8a7791 # R-Car M2-W
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- renesas,hscif-r8a7792 # R-Car V2H
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- renesas,hscif-r8a7793 # R-Car M2-N
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- renesas,hscif-r8a7794 # R-Car E2
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- const: renesas,rcar-gen2-hscif # R-Car Gen2 and RZ/G1
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- const: renesas,hscif # generic HSCIF compatible UART
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- items:
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- enum:
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- renesas,hscif-r8a774a1 # RZ/G2M
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- renesas,hscif-r8a774b1 # RZ/G2N
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- renesas,hscif-r8a774c0 # RZ/G2E
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- renesas,hscif-r8a774e1 # RZ/G2H
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- renesas,hscif-r8a7795 # R-Car H3
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- renesas,hscif-r8a7796 # R-Car M3-W
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- renesas,hscif-r8a77961 # R-Car M3-W+
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- renesas,hscif-r8a77965 # R-Car M3-N
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- renesas,hscif-r8a77970 # R-Car V3M
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- renesas,hscif-r8a77980 # R-Car V3H
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- renesas,hscif-r8a77990 # R-Car E3
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- renesas,hscif-r8a77995 # R-Car D3
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- const: renesas,rcar-gen3-hscif # R-Car Gen3 and RZ/G2
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- const: renesas,hscif # generic HSCIF compatible UART
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- items:
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- enum:
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- renesas,hscif-r8a779a0 # R-Car V3U
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- renesas,hscif-r8a779f0 # R-Car S4-8
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- renesas,hscif-r8a779g0 # R-Car V4H
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- const: renesas,rcar-gen4-hscif # R-Car Gen4
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- const: renesas,hscif # generic HSCIF compatible UART
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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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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- hsck # 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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unevaluatedProperties: 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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enum:
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- renesas,rcar-gen2-hscif
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- renesas,rcar-gen3-hscif
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- renesas,rcar-gen4-hscif
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then:
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required:
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- resets
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examples:
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- |
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#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/power/r8a7795-sysc.h>
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aliases {
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serial1 = &hscif1;
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};
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hscif1: serial@e6550000 {
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compatible = "renesas,hscif-r8a7795", "renesas,rcar-gen3-hscif",
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"renesas,hscif";
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reg = <0xe6550000 96>;
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interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cpg CPG_MOD 519>, <&cpg CPG_CORE R8A7795_CLK_S3D1>,
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<&scif_clk>;
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clock-names = "fck", "brg_int", "scif_clk";
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dmas = <&dmac1 0x33>, <&dmac1 0x32>, <&dmac2 0x33>, <&dmac2 0x32>;
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dma-names = "tx", "rx", "tx", "rx";
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power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
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resets = <&cpg 519>;
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uart-has-rtscts;
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};
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