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,sci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Renesas Serial Communication Interface
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,r9a07g043-sci # RZ/G2UL and RZ/Five
21 - renesas,r9a07g044-sci # RZ/G2{L,LC}
22 - renesas,r9a07g054-sci # RZ/V2L
23 - const: renesas,sci # generic SCI compatible UART
24
25 - items:
26 - const: renesas,sci # generic SCI compatible UART
27
28 reg:
29 maxItems: 1
30
31 interrupts:
32 items:
33 - description: Error interrupt
34 - description: Receive buffer full interrupt
35 - description: Transmit buffer empty interrupt
36 - description: Transmit end interrupt
37
38 interrupt-names:
39 items:
40 - const: eri
41 - const: rxi
42 - const: txi
43 - const: tei
44
45 clocks:
46 minItems: 1
47 maxItems: 2
48
49 clock-names:
50 minItems: 1
51 maxItems: 2
52 items:
53 enum:
54 - fck # UART functional clock
55 - sck # optional external clock input
56
57 uart-has-rtscts: false
58
59 required:
60 - compatible
61 - reg
62 - interrupts
63 - clocks
64 - clock-names
65
66 if:
67 properties:
68 compatible:
69 contains:
70 enum:
71 - renesas,r9a07g043-sci
72 - renesas,r9a07g044-sci
73 - renesas,r9a07g054-sci
74 then:
75 properties:
76 resets:
77 maxItems: 1
78
79 power-domains:
80 maxItems: 1
81
82 required:
83 - resets
84 - power-domains
85
86 unevaluatedProperties: false
87
88 examples:
89 - |
90 #include <dt-bindings/clock/r9a07g044-cpg.h>
91 #include <dt-bindings/interrupt-controller/arm-gic.h>
92
93 aliases {
94 serial0 = &sci0;
95 };
96
97 sci0: serial@1004d000 {
98 compatible = "renesas,r9a07g044-sci", "renesas,sci";
99 reg = <0x1004d000 0x400>;
100 interrupts = <GIC_SPI 405 IRQ_TYPE_LEVEL_HIGH>,
101 <GIC_SPI 406 IRQ_TYPE_LEVEL_HIGH>,
102 <GIC_SPI 407 IRQ_TYPE_LEVEL_HIGH>,
103 <GIC_SPI 408 IRQ_TYPE_LEVEL_HIGH>;
104 interrupt-names = "eri", "rxi", "txi", "tei";
105 clocks = <&cpg CPG_MOD R9A07G044_SCI0_CLKP>;
106 clock-names = "fck";
107 power-domains = <&cpg>;
108 resets = <&cpg R9A07G044_SCI0_RST>;
109 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.