1* Renesas SH-Mobile Serial Communication Interface
2
3Required properties:
4
5  - compatible: Must contain one of the following:
6
7    - "renesas,scif-r7s72100" for R7S72100 (RZ/A1H) SCIF compatible UART.
8    - "renesas,scifa-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFA compatible UART.
9    - "renesas,scifb-r8a73a4" for R8A73A4 (R-Mobile APE6) SCIFB compatible UART.
10    - "renesas,scifa-r8a7740" for R8A7740 (R-Mobile A1) SCIFA compatible UART.
11    - "renesas,scifb-r8a7740" for R8A7740 (R-Mobile A1) SCIFB compatible UART.
12    - "renesas,scif-r8a7778" for R8A7778 (R-Car M1) SCIF compatible UART.
13    - "renesas,scif-r8a7779" for R8A7779 (R-Car H1) SCIF compatible UART.
14    - "renesas,scif-r8a7790" for R8A7790 (R-Car H2) SCIF compatible UART.
15    - "renesas,scifa-r8a7790" for R8A7790 (R-Car H2) SCIFA compatible UART.
16    - "renesas,scifb-r8a7790" for R8A7790 (R-Car H2) SCIFB compatible UART.
17    - "renesas,hscif-r8a7790" for R8A7790 (R-Car H2) HSCIF compatible UART.
18    - "renesas,scif-r8a7791" for R8A7791 (R-Car M2) SCIF compatible UART.
19    - "renesas,scifa-r8a7791" for R8A7791 (R-Car M2) SCIFA compatible UART.
20    - "renesas,scifb-r8a7791" for R8A7791 (R-Car M2) SCIFB compatible UART.
21    - "renesas,hscif-r8a7791" for R8A7791 (R-Car M2) HSCIF compatible UART.
22    - "renesas,scif-r8a7794" for R8A7794 (R-Car E2) SCIF compatible UART.
23    - "renesas,scifa-r8a7794" for R8A7794 (R-Car E2) SCIFA compatible UART.
24    - "renesas,scifb-r8a7794" for R8A7794 (R-Car E2) SCIFB compatible UART.
25    - "renesas,hscif-r8a7794" for R8A7794 (R-Car E2) HSCIF compatible UART.
26    - "renesas,scif-r8a7795" for R8A7795 (R-Car H3) SCIF compatible UART.
27    - "renesas,hscif-r8a7795" for R8A7795 (R-Car H3) HSCIF compatible UART.
28    - "renesas,scifa-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFA compatible UART.
29    - "renesas,scifb-sh73a0" for SH73A0 (SH-Mobile AG5) SCIFB compatible UART.
30    - "renesas,scif" for generic SCIF compatible UART.
31    - "renesas,scifa" for generic SCIFA compatible UART.
32    - "renesas,scifb" for generic SCIFB compatible UART.
33    - "renesas,hscif" for generic HSCIF compatible UART.
34    - "renesas,sci" for generic SCI compatible UART.
35
36    When compatible with the generic version, nodes must list the
37    SoC-specific version corresponding to the platform first followed by the
38    generic version.
39
40  - reg: Base address and length of the I/O registers used by the UART.
41  - interrupts: Must contain an interrupt-specifier for the SCIx interrupt.
42
43  - clocks: Must contain a phandle and clock-specifier pair for each entry
44    in clock-names.
45  - clock-names: Must contain "sci_ick" for the SCIx UART interface clock.
46
47Note: Each enabled SCIx UART should have an alias correctly numbered in the
48"aliases" node.
49
50Optional properties:
51  - dmas: Must contain a list of two references to DMA specifiers, one for
52	  transmission, and one for reception.
53  - dma-names: Must contain a list of two DMA names, "tx" and "rx".
54
55Example:
56	aliases {
57		serial0 = &scifa0;
58	};
59
60	scifa0: serial@e6c40000 {
61		compatible = "renesas,scifa-r8a7790", "renesas,scifa";
62		reg = <0 0xe6c40000 0 64>;
63		interrupt-parent = <&gic>;
64		interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>;
65		clocks = <&mstp2_clks R8A7790_CLK_SCIFA0>;
66		clock-names = "sci_ick";
67		dmas = <&dmac0 0x21>, <&dmac0 0x22>;
68		dma-names = "tx", "rx";
69	};
70