renesas,scif.yaml (5796B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: "http://devicetree.org/schemas/serial/renesas,scif.yaml#" 5$schema: "http://devicetree.org/meta-schemas/core.yaml#" 6 7title: Renesas Serial Communication Interface with FIFO (SCIF) 8 9maintainers: 10 - Geert Uytterhoeven <geert+renesas@glider.be> 11 12allOf: 13 - $ref: serial.yaml# 14 15properties: 16 compatible: 17 oneOf: 18 - items: 19 - enum: 20 - renesas,scif-r7s72100 # RZ/A1H 21 - const: renesas,scif # generic SCIF compatible UART 22 23 - items: 24 - enum: 25 - renesas,scif-r7s9210 # RZ/A2 26 27 - items: 28 - enum: 29 - renesas,scif-r8a7778 # R-Car M1 30 - renesas,scif-r8a7779 # R-Car H1 31 - const: renesas,rcar-gen1-scif # R-Car Gen1 32 - const: renesas,scif # generic SCIF compatible UART 33 34 - items: 35 - enum: 36 - renesas,scif-r8a7742 # RZ/G1H 37 - renesas,scif-r8a7743 # RZ/G1M 38 - renesas,scif-r8a7744 # RZ/G1N 39 - renesas,scif-r8a7745 # RZ/G1E 40 - renesas,scif-r8a77470 # RZ/G1C 41 - renesas,scif-r8a7790 # R-Car H2 42 - renesas,scif-r8a7791 # R-Car M2-W 43 - renesas,scif-r8a7792 # R-Car V2H 44 - renesas,scif-r8a7793 # R-Car M2-N 45 - renesas,scif-r8a7794 # R-Car E2 46 - const: renesas,rcar-gen2-scif # R-Car Gen2 and RZ/G1 47 - const: renesas,scif # generic SCIF compatible UART 48 49 - items: 50 - enum: 51 - renesas,scif-r8a774a1 # RZ/G2M 52 - renesas,scif-r8a774b1 # RZ/G2N 53 - renesas,scif-r8a774c0 # RZ/G2E 54 - renesas,scif-r8a774e1 # RZ/G2H 55 - renesas,scif-r8a7795 # R-Car H3 56 - renesas,scif-r8a7796 # R-Car M3-W 57 - renesas,scif-r8a77961 # R-Car M3-W+ 58 - renesas,scif-r8a77965 # R-Car M3-N 59 - renesas,scif-r8a77970 # R-Car V3M 60 - renesas,scif-r8a77980 # R-Car V3H 61 - renesas,scif-r8a77990 # R-Car E3 62 - renesas,scif-r8a77995 # R-Car D3 63 - const: renesas,rcar-gen3-scif # R-Car Gen3 and RZ/G2 64 - const: renesas,scif # generic SCIF compatible UART 65 66 - items: 67 - enum: 68 - renesas,scif-r8a779a0 # R-Car V3U 69 - renesas,scif-r8a779f0 # R-Car S4-8 70 - const: renesas,rcar-gen4-scif # R-Car Gen4 71 - const: renesas,scif # generic SCIF compatible UART 72 73 - items: 74 - enum: 75 - renesas,scif-r9a07g044 # RZ/G2{L,LC} 76 77 - items: 78 - enum: 79 - renesas,scif-r9a07g043 # RZ/G2UL 80 - renesas,scif-r9a07g054 # RZ/V2L 81 - const: renesas,scif-r9a07g044 # RZ/G2{L,LC} fallback 82 83 reg: 84 maxItems: 1 85 86 interrupts: 87 oneOf: 88 - items: 89 - description: A combined interrupt 90 - items: 91 - description: Error interrupt 92 - description: Receive buffer full interrupt 93 - description: Transmit buffer empty interrupt 94 - description: Transmit End interrupt 95 - items: 96 - description: Error interrupt 97 - description: Receive buffer full interrupt 98 - description: Transmit buffer empty interrupt 99 - description: Break interrupt 100 - description: Data Ready interrupt 101 - description: Transmit End interrupt 102 103 interrupt-names: 104 oneOf: 105 - items: 106 - const: eri 107 - const: rxi 108 - const: txi 109 - const: tei 110 - items: 111 - const: eri 112 - const: rxi 113 - const: txi 114 - const: bri 115 - const: dri 116 - const: tei 117 118 clocks: 119 minItems: 1 120 maxItems: 4 121 122 clock-names: 123 minItems: 1 124 maxItems: 4 125 items: 126 enum: 127 - fck # UART functional clock 128 - sck # optional external clock input 129 - brg_int # optional internal clock source for BRG frequency divider 130 - scif_clk # optional external clock source for BRG frequency divider 131 132 power-domains: 133 maxItems: 1 134 135 resets: 136 maxItems: 1 137 138 dmas: 139 minItems: 2 140 maxItems: 4 141 description: 142 Must contain a list of pairs of references to DMA specifiers, one for 143 transmission, and one for reception. 144 145 dma-names: 146 minItems: 2 147 maxItems: 4 148 items: 149 enum: 150 - tx 151 - rx 152 153required: 154 - compatible 155 - reg 156 - interrupts 157 - clocks 158 - clock-names 159 - power-domains 160 161if: 162 properties: 163 compatible: 164 contains: 165 enum: 166 - renesas,rcar-gen2-scif 167 - renesas,rcar-gen3-scif 168 - renesas,rcar-gen4-scif 169 - renesas,scif-r9a07g044 170then: 171 required: 172 - resets 173 174unevaluatedProperties: false 175 176examples: 177 - | 178 #include <dt-bindings/clock/r8a7791-cpg-mssr.h> 179 #include <dt-bindings/interrupt-controller/arm-gic.h> 180 #include <dt-bindings/power/r8a7791-sysc.h> 181 aliases { 182 serial0 = &scif0; 183 }; 184 185 scif0: serial@e6e60000 { 186 compatible = "renesas,scif-r8a7791", "renesas,rcar-gen2-scif", 187 "renesas,scif"; 188 reg = <0xe6e60000 64>; 189 interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>; 190 clocks = <&cpg CPG_MOD 721>, <&cpg CPG_CORE R8A7791_CLK_ZS>, 191 <&scif_clk>; 192 clock-names = "fck", "brg_int", "scif_clk"; 193 dmas = <&dmac0 0x29>, <&dmac0 0x2a>, <&dmac1 0x29>, <&dmac1 0x2a>; 194 dma-names = "tx", "rx", "tx", "rx"; 195 power-domains = <&sysc R8A7791_PD_ALWAYS_ON>; 196 resets = <&cpg 721>; 197 };