| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: "http://devicetree.org/schemas/serial/renesas,scifa.yaml#" |
| $schema: "http://devicetree.org/meta-schemas/core.yaml#" |
| |
| title: Renesas Serial Communications Interface with FIFO A (SCIFA) |
| |
| maintainers: |
| - Geert Uytterhoeven <geert+renesas@glider.be> |
| |
| allOf: |
| - $ref: serial.yaml# |
| |
| properties: |
| compatible: |
| oneOf: |
| - items: |
| - enum: |
| - renesas,scifa-r8a73a4 # R-Mobile APE6 |
| - renesas,scifa-r8a7740 # R-Mobile A1 |
| - renesas,scifa-sh73a0 # SH-Mobile AG5 |
| - const: renesas,scifa # generic SCIFA compatible UART |
| |
| - items: |
| - enum: |
| - renesas,scifa-r8a7742 # RZ/G1H |
| - renesas,scifa-r8a7743 # RZ/G1M |
| - renesas,scifa-r8a7744 # RZ/G1N |
| - renesas,scifa-r8a7745 # RZ/G1E |
| - renesas,scifa-r8a7790 # R-Car H2 |
| - renesas,scifa-r8a7791 # R-Car M2-W |
| - renesas,scifa-r8a7793 # R-Car M2-N |
| - renesas,scifa-r8a7794 # R-Car E2 |
| - const: renesas,rcar-gen2-scifa # R-Car Gen2 and RZ/G1 |
| - const: renesas,scifa # generic SCIFA compatible UART |
| |
| reg: |
| maxItems: 1 |
| |
| interrupts: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| |
| clock-names: |
| enum: |
| - fck # UART functional clock |
| |
| power-domains: |
| maxItems: 1 |
| |
| resets: |
| maxItems: 1 |
| |
| dmas: |
| description: |
| Must contain a list of pairs of references to DMA specifiers, one for |
| transmission, and one for reception. |
| |
| dma-names: |
| minItems: 2 |
| maxItems: 4 |
| items: |
| enum: |
| - tx |
| - rx |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| - clocks |
| - clock-names |
| - power-domains |
| |
| if: |
| properties: |
| compatible: |
| contains: |
| enum: |
| - renesas,rcar-gen2-scifa |
| then: |
| required: |
| - resets |
| |
| examples: |
| - | |
| #include <dt-bindings/clock/r8a7790-cpg-mssr.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| #include <dt-bindings/power/r8a7790-sysc.h> |
| aliases { |
| serial0 = &scifa0; |
| }; |
| |
| scifa0: serial@e6c40000 { |
| compatible = "renesas,scifa-r8a7790", "renesas,rcar-gen2-scifa", |
| "renesas,scifa"; |
| reg = <0xe6c40000 64>; |
| interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>; |
| clocks = <&cpg CPG_MOD 204>; |
| clock-names = "fck"; |
| power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; |
| resets = <&cpg 204>; |
| dmas = <&dmac0 0x21>, <&dmac0 0x22>, <&dmac1 0x21>, <&dmac1 0x22>; |
| dma-names = "tx", "rx", "tx", "rx"; |
| }; |
