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-r8a7743 # R8A7743 RZ/G1M
28 - renesas,scifa-r8a7743 # R !! 28 - renesas,scifa-r8a7744 # R8A7744 RZ/G1N
29 - renesas,scifa-r8a7744 # R !! 29 - renesas,scifa-r8a7745 # R8A7745 RZ/G1E
30 - renesas,scifa-r8a7745 # R !! 30 - renesas,scifa-r8a7790 # R8A7790 R-Car H2
31 - renesas,scifa-r8a7790 # R !! 31 - renesas,scifa-r8a7791 # R8A7791 R-Car M2-W
32 - renesas,scifa-r8a7791 # R !! 32 - renesas,scifa-r8a7793 # R8A7793 R-Car M2-N
33 - renesas,scifa-r8a7793 # R !! 33 - renesas,scifa-r8a7794 # R8A7794 R-Car E2
34 - renesas,scifa-r8a7794 # R <<
35 - const: renesas,rcar-gen2-scifa # R 34 - const: renesas,rcar-gen2-scifa # R-Car Gen2 and RZ/G1
36 - const: renesas,scifa # g 35 - const: renesas,scifa # generic SCIFA compatible UART
37 36
38 reg: 37 reg:
39 maxItems: 1 38 maxItems: 1
40 39
41 interrupts: 40 interrupts:
42 maxItems: 1 41 maxItems: 1
43 42
44 clocks: 43 clocks:
45 maxItems: 1 44 maxItems: 1
46 45
47 clock-names: 46 clock-names:
48 enum: 47 enum:
49 - fck # UART functional clock 48 - fck # UART functional clock
50 49
51 power-domains: 50 power-domains:
52 maxItems: 1 51 maxItems: 1
53 52
54 resets: 53 resets:
55 maxItems: 1 54 maxItems: 1
56 55
57 dmas: 56 dmas:
58 minItems: 2 <<
59 maxItems: 4 <<
60 description: 57 description:
61 Must contain a list of pairs of referenc 58 Must contain a list of pairs of references to DMA specifiers, one for
62 transmission, and one for reception. 59 transmission, and one for reception.
63 60
64 dma-names: 61 dma-names:
65 minItems: 2 62 minItems: 2
66 maxItems: 4 63 maxItems: 4
67 items: 64 items:
68 enum: 65 enum:
69 - tx 66 - tx
70 - rx 67 - rx
71 68
72 required: 69 required:
73 - compatible 70 - compatible
74 - reg 71 - reg
75 - interrupts 72 - interrupts
76 - clocks 73 - clocks
77 - clock-names 74 - clock-names
78 - power-domains 75 - power-domains
79 76
80 if: 77 if:
81 properties: 78 properties:
82 compatible: 79 compatible:
83 contains: 80 contains:
84 enum: 81 enum:
85 - renesas,rcar-gen2-scifa 82 - renesas,rcar-gen2-scifa
86 then: 83 then:
87 required: 84 required:
88 - resets 85 - resets
89 86
90 unevaluatedProperties: false <<
91 <<
92 examples: 87 examples:
93 - | 88 - |
94 #include <dt-bindings/clock/r8a7790-cpg-ms 89 #include <dt-bindings/clock/r8a7790-cpg-mssr.h>
95 #include <dt-bindings/interrupt-controller 90 #include <dt-bindings/interrupt-controller/arm-gic.h>
96 #include <dt-bindings/power/r8a7790-sysc.h 91 #include <dt-bindings/power/r8a7790-sysc.h>
97 aliases { 92 aliases {
98 serial0 = &scifa0; !! 93 serial0 = &scifa0;
99 }; 94 };
100 95
101 scifa0: serial@e6c40000 { 96 scifa0: serial@e6c40000 {
102 compatible = "renesas,scifa-r8a7790", !! 97 compatible = "renesas,scifa-r8a7790", "renesas,rcar-gen2-scifa",
103 "renesas,scifa"; !! 98 "renesas,scifa";
104 reg = <0xe6c40000 64>; !! 99 reg = <0xe6c40000 64>;
105 interrupts = <GIC_SPI 144 IRQ_TYPE_LEV !! 100 interrupts = <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
106 clocks = <&cpg CPG_MOD 204>; !! 101 clocks = <&cpg CPG_MOD 204>;
107 clock-names = "fck"; !! 102 clock-names = "fck";
108 power-domains = <&sysc R8A7790_PD_ALWA !! 103 power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
109 resets = <&cpg 204>; !! 104 resets = <&cpg 204>;
110 dmas = <&dmac0 0x21>, <&dmac0 0x22>, < !! 105 dmas = <&dmac0 0x21>, <&dmac0 0x22>, <&dmac1 0x21>, <&dmac1 0x22>;
111 dma-names = "tx", "rx", "tx", "rx"; !! 106 dma-names = "tx", "rx", "tx", "rx";
112 }; 107 };
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