renesas,rz-dmac.yaml (3869B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/dma/renesas,rz-dmac.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Renesas RZ/{G2L,G2UL,V2L} DMA Controller 8 9maintainers: 10 - Biju Das <biju.das.jz@bp.renesas.com> 11 12allOf: 13 - $ref: "dma-controller.yaml#" 14 15properties: 16 compatible: 17 items: 18 - enum: 19 - renesas,r9a07g043-dmac # RZ/G2UL 20 - renesas,r9a07g044-dmac # RZ/G2{L,LC} 21 - renesas,r9a07g054-dmac # RZ/V2L 22 - const: renesas,rz-dmac 23 24 reg: 25 items: 26 - description: Control and channel register block 27 - description: DMA extended resource selector block 28 29 interrupts: 30 maxItems: 17 31 32 interrupt-names: 33 items: 34 - const: error 35 - const: ch0 36 - const: ch1 37 - const: ch2 38 - const: ch3 39 - const: ch4 40 - const: ch5 41 - const: ch6 42 - const: ch7 43 - const: ch8 44 - const: ch9 45 - const: ch10 46 - const: ch11 47 - const: ch12 48 - const: ch13 49 - const: ch14 50 - const: ch15 51 52 clocks: 53 items: 54 - description: DMA main clock 55 - description: DMA register access clock 56 57 '#dma-cells': 58 const: 1 59 description: 60 The cell specifies the encoded MID/RID values of the DMAC port 61 connected to the DMA client and the slave channel configuration 62 parameters. 63 bits[0:9] - Specifies MID/RID value 64 bit[10] - Specifies DMA request high enable (HIEN) 65 bit[11] - Specifies DMA request detection type (LVL) 66 bits[12:14] - Specifies DMAACK output mode (AM) 67 bit[15] - Specifies Transfer Mode (TM) 68 69 dma-channels: 70 const: 16 71 72 power-domains: 73 maxItems: 1 74 75 resets: 76 items: 77 - description: Reset for DMA ARESETN reset terminal 78 - description: Reset for DMA RST_ASYNC reset terminal 79 80required: 81 - compatible 82 - reg 83 - interrupts 84 - interrupt-names 85 - clocks 86 - '#dma-cells' 87 - dma-channels 88 - power-domains 89 - resets 90 91additionalProperties: false 92 93examples: 94 - | 95 #include <dt-bindings/interrupt-controller/arm-gic.h> 96 #include <dt-bindings/clock/r9a07g044-cpg.h> 97 98 dmac: dma-controller@11820000 { 99 compatible = "renesas,r9a07g044-dmac", 100 "renesas,rz-dmac"; 101 reg = <0x11820000 0x10000>, 102 <0x11830000 0x10000>; 103 interrupts = <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>, 104 <GIC_SPI 125 IRQ_TYPE_EDGE_RISING>, 105 <GIC_SPI 126 IRQ_TYPE_EDGE_RISING>, 106 <GIC_SPI 127 IRQ_TYPE_EDGE_RISING>, 107 <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>, 108 <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>, 109 <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>, 110 <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>, 111 <GIC_SPI 132 IRQ_TYPE_EDGE_RISING>, 112 <GIC_SPI 133 IRQ_TYPE_EDGE_RISING>, 113 <GIC_SPI 134 IRQ_TYPE_EDGE_RISING>, 114 <GIC_SPI 135 IRQ_TYPE_EDGE_RISING>, 115 <GIC_SPI 136 IRQ_TYPE_EDGE_RISING>, 116 <GIC_SPI 137 IRQ_TYPE_EDGE_RISING>, 117 <GIC_SPI 138 IRQ_TYPE_EDGE_RISING>, 118 <GIC_SPI 139 IRQ_TYPE_EDGE_RISING>, 119 <GIC_SPI 140 IRQ_TYPE_EDGE_RISING>; 120 interrupt-names = "error", 121 "ch0", "ch1", "ch2", "ch3", 122 "ch4", "ch5", "ch6", "ch7", 123 "ch8", "ch9", "ch10", "ch11", 124 "ch12", "ch13", "ch14", "ch15"; 125 clocks = <&cpg CPG_MOD R9A07G044_DMAC_ACLK>, 126 <&cpg CPG_MOD R9A07G044_DMAC_PCLK>; 127 power-domains = <&cpg>; 128 resets = <&cpg R9A07G044_DMAC_ARESETN>, 129 <&cpg R9A07G044_DMAC_RST_ASYNC>; 130 #dma-cells = <1>; 131 dma-channels = <16>; 132 };