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