1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/serial/rene !! 4 $id: "http://devicetree.org/schemas/serial/renesas,scifa.yaml#"
5 $schema: http://devicetree.org/meta-schemas/co !! 5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
6 6
7 title: Renesas Serial Communications Interface 7 title: Renesas Serial Communications Interface with FIFO A (SCIFA)
8 8
9 maintainers: 9 maintainers:
10 - Geert Uytterhoeven <geert+renesas@glider.be 10 - Geert Uytterhoeven <geert+renesas@glider.be>
11 11
12 allOf: 12 allOf:
13 - $ref: serial.yaml# 13 - $ref: serial.yaml#
14 14
15 properties: 15 properties:
16 compatible: 16 compatible:
17 oneOf: 17 oneOf:
18 - items: 18 - items:
19 - enum: 19 - enum:
20 - renesas,scifa-r8a73a4 # R 20 - renesas,scifa-r8a73a4 # R-Mobile APE6
21 - renesas,scifa-r8a7740 # R 21 - renesas,scifa-r8a7740 # R-Mobile A1
22 - renesas,scifa-sh73a0 # S 22 - renesas,scifa-sh73a0 # SH-Mobile AG5
23 - const: renesas,scifa # g 23 - const: renesas,scifa # generic SCIFA compatible UART
24 24
25 - items: 25 - items:
26 - enum: 26 - enum:
27 - renesas,scifa-r8a7742 # R 27 - renesas,scifa-r8a7742 # RZ/G1H
28 - renesas,scifa-r8a7743 # R 28 - renesas,scifa-r8a7743 # RZ/G1M
29 - renesas,scifa-r8a7744 # R 29 - renesas,scifa-r8a7744 # RZ/G1N
30 - renesas,scifa-r8a7745 # R 30 - renesas,scifa-r8a7745 # RZ/G1E
31 - renesas,scifa-r8a7790 # R 31 - renesas,scifa-r8a7790 # R-Car H2
32 - renesas,scifa-r8a7791 # R 32 - renesas,scifa-r8a7791 # R-Car M2-W
33 - renesas,scifa-r8a7793 # R 33 - renesas,scifa-r8a7793 # R-Car M2-N
34 - renesas,scifa-r8a7794 # R 34 - renesas,scifa-r8a7794 # R-Car E2
35 - const: renesas,rcar-gen2-scifa # R 35 - const: renesas,rcar-gen2-scifa # R-Car Gen2 and RZ/G1
36 - const: renesas,scifa # g 36 - const: renesas,scifa # generic SCIFA compatible UART
37 37
38 reg: 38 reg:
39 maxItems: 1 39 maxItems: 1
40 40
41 interrupts: 41 interrupts:
42 maxItems: 1 42 maxItems: 1
43 43
44 clocks: 44 clocks:
45 maxItems: 1 45 maxItems: 1
46 46
47 clock-names: 47 clock-names:
48 enum: 48 enum:
49 - fck # UART functional clock 49 - fck # UART functional clock
50 50
51 power-domains: 51 power-domains:
52 maxItems: 1 52 maxItems: 1
53 53
54 resets: 54 resets:
55 maxItems: 1 55 maxItems: 1
56 56
57 dmas: 57 dmas:
58 minItems: 2 <<
59 maxItems: 4 <<
60 description: 58 description:
61 Must contain a list of pairs of referenc 59 Must contain a list of pairs of references to DMA specifiers, one for
62 transmission, and one for reception. 60 transmission, and one for reception.
63 61
64 dma-names: 62 dma-names:
65 minItems: 2 63 minItems: 2
66 maxItems: 4 64 maxItems: 4
67 items: 65 items:
68 enum: 66 enum:
69 - tx 67 - tx
70 - rx 68 - rx
71 69
72 required: 70 required:
73 - compatible 71 - compatible
74 - reg 72 - reg
75 - interrupts 73 - interrupts
76 - clocks 74 - clocks
77 - clock-names 75 - clock-names
78 - power-domains 76 - power-domains
79 77
80 if: 78 if:
81 properties: 79 properties:
82 compatible: 80 compatible:
83 contains: 81 contains:
84 enum: 82 enum:
85 - renesas,rcar-gen2-scifa 83 - renesas,rcar-gen2-scifa
86 then: 84 then:
87 required: 85 required:
88 - resets 86 - resets
89 87
90 unevaluatedProperties: false <<
91 <<
92 examples: 88 examples:
93 - | 89 - |
94 #include <dt-bindings/clock/r8a7790-cpg-ms 90 #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
95 #include <dt-bindings/interrupt-controller 91 #include <dt-bindings/interrupt-controller/arm-gic.h>
96 #include <dt-bindings/power/r8a7790-sysc.h 92 #include <dt-bindings/power/r8a7790-sysc.h>
97 aliases { 93 aliases {
98 serial0 = &scifa0; !! 94 serial0 = &scifa0;
99 }; 95 };
100 96
101 scifa0: serial@e6c40000 { 97 scifa0: serial@e6c40000 {
102 compatible = "renesas,scifa-r8a7790", !! 98 compatible = "renesas,scifa-r8a7790", "renesas,rcar-gen2-scifa",
103 "renesas,scifa"; !! 99 "renesas,scifa";
104 reg = <0xe6c40000 64>; !! 100 reg = <0xe6c40000 64>;
105 interrupts = <GIC_SPI 144 IRQ_TYPE_LEV !! 101 interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
106 clocks = <&cpg CPG_MOD 204>; !! 102 clocks = <&cpg CPG_MOD 204>;
107 clock-names = "fck"; !! 103 clock-names = "fck";
108 power-domains = <&sysc R8A7790_PD_ALWA !! 104 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
109 resets = <&cpg 204>; !! 105 resets = <&cpg 204>;
110 dmas = <&dmac0 0x21>, <&dmac0 0x22>, < !! 106 dmas = <&dmac0 0x21>, <&dmac0 0x22>, <&dmac1 0x21>, <&dmac1 0x22>;
111 dma-names = "tx", "rx", "tx", "rx"; !! 107 dma-names = "tx", "rx", "tx", "rx";
112 }; 108 };
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