| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/serial/renesas,scifa.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Renesas Serial Communications Interface with FIFO A (SCIFA) |
| 8 | |
| 9 | maintainers: |
| 10 | - Geert Uytterhoeven <geert+renesas@glider.be> |
| 11 | |
| 12 | allOf: |
| 13 | - $ref: serial.yaml# |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | oneOf: |
| 18 | - items: |
| 19 | - enum: |
| 20 | - renesas,scifa-r8a73a4 # R-Mobile APE6 |
| 21 | - renesas,scifa-r8a7740 # R-Mobile A1 |
| 22 | - renesas,scifa-sh73a0 # SH-Mobile AG5 |
| 23 | - const: renesas,scifa # generic SCIFA compatible UART |
| 24 | |
| 25 | - items: |
| 26 | - enum: |
| 27 | - renesas,scifa-r8a7742 # RZ/G1H |
| 28 | - renesas,scifa-r8a7743 # RZ/G1M |
| 29 | - renesas,scifa-r8a7744 # RZ/G1N |
| 30 | - renesas,scifa-r8a7745 # RZ/G1E |
| 31 | - renesas,scifa-r8a7790 # R-Car H2 |
| 32 | - renesas,scifa-r8a7791 # R-Car M2-W |
| 33 | - renesas,scifa-r8a7793 # R-Car M2-N |
| 34 | - renesas,scifa-r8a7794 # R-Car E2 |
| 35 | - const: renesas,rcar-gen2-scifa # R-Car Gen2 and RZ/G1 |
| 36 | - const: renesas,scifa # generic SCIFA compatible UART |
| 37 | |
| 38 | reg: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | interrupts: |
| 42 | maxItems: 1 |
| 43 | |
| 44 | clocks: |
| 45 | maxItems: 1 |
| 46 | |
| 47 | clock-names: |
| 48 | enum: |
| 49 | - fck # UART functional clock |
| 50 | |
| 51 | power-domains: |
| 52 | maxItems: 1 |
| 53 | |
| 54 | resets: |
| 55 | maxItems: 1 |
| 56 | |
| 57 | dmas: |
| 58 | minItems: 2 |
| 59 | maxItems: 4 |
| 60 | description: |
| 61 | Must contain a list of pairs of references to DMA specifiers, one for |
| 62 | transmission, and one for reception. |
| 63 | |
| 64 | dma-names: |
| 65 | minItems: 2 |
| 66 | maxItems: 4 |
| 67 | items: |
| 68 | enum: |
| 69 | - tx |
| 70 | - rx |
| 71 | |
| 72 | required: |
| 73 | - compatible |
| 74 | - reg |
| 75 | - interrupts |
| 76 | - clocks |
| 77 | - clock-names |
| 78 | - power-domains |
| 79 | |
| 80 | if: |
| 81 | properties: |
| 82 | compatible: |
| 83 | contains: |
| 84 | enum: |
| 85 | - renesas,rcar-gen2-scifa |
| 86 | then: |
| 87 | required: |
| 88 | - resets |
| 89 | |
| 90 | unevaluatedProperties: false |
| 91 | |
| 92 | examples: |
| 93 | - | |
| 94 | #include <dt-bindings/clock/r8a7790-cpg-mssr.h> |
| 95 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 96 | #include <dt-bindings/power/r8a7790-sysc.h> |
| 97 | aliases { |
| 98 | serial0 = &scifa0; |
| 99 | }; |
| 100 | |
| 101 | scifa0: serial@e6c40000 { |
| 102 | compatible = "renesas,scifa-r8a7790", "renesas,rcar-gen2-scifa", |
| 103 | "renesas,scifa"; |
| 104 | reg = <0xe6c40000 64>; |
| 105 | interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>; |
| 106 | clocks = <&cpg CPG_MOD 204>; |
| 107 | clock-names = "fck"; |
| 108 | power-domains = <&sysc R8A7790_PD_ALWAYS_ON>; |
| 109 | resets = <&cpg 204>; |
| 110 | dmas = <&dmac0 0x21>, <&dmac0 0x22>, <&dmac1 0x21>, <&dmac1 0x22>; |
| 111 | dma-names = "tx", "rx", "tx", "rx"; |
| 112 | }; |