renesas,rz-ssi.yaml (3248B)
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/sound/renesas,rz-ssi.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Renesas RZ/{G2L,V2L} ASoC Sound Serial Interface (SSIF-2) 8 9maintainers: 10 - Biju Das <biju.das.jz@bp.renesas.com> 11 12properties: 13 compatible: 14 items: 15 - enum: 16 - renesas,r9a07g044-ssi # RZ/G2{L,LC} 17 - renesas,r9a07g054-ssi # RZ/V2L 18 - const: renesas,rz-ssi 19 20 reg: 21 maxItems: 1 22 23 interrupts: 24 maxItems: 4 25 26 interrupt-names: 27 items: 28 - const: int_req 29 - const: dma_rx 30 - const: dma_tx 31 - const: dma_rt 32 33 clocks: 34 maxItems: 4 35 36 clock-names: 37 items: 38 - const: ssi 39 - const: ssi_sfr 40 - const: audio_clk1 41 - const: audio_clk2 42 43 power-domains: 44 maxItems: 1 45 46 resets: 47 maxItems: 1 48 49 dmas: 50 minItems: 1 51 maxItems: 2 52 description: 53 The first cell represents a phandle to dmac 54 The second cell specifies the encoded MID/RID values of the SSI port 55 connected to the DMA client and the slave channel configuration 56 parameters. 57 bits[0:9] - Specifies MID/RID value of a SSI channel as below 58 MID/RID value of SSI rx0 = 0x256 59 MID/RID value of SSI tx0 = 0x255 60 MID/RID value of SSI rx1 = 0x25a 61 MID/RID value of SSI tx1 = 0x259 62 MID/RID value of SSI rt2 = 0x25f 63 MID/RID value of SSI rx3 = 0x262 64 MID/RID value of SSI tx3 = 0x261 65 bit[10] - HIEN = 1, Detects a request in response to the rising edge 66 of the signal 67 bit[11] - LVL = 0, Detects based on the edge 68 bits[12:14] - AM = 2, Bus cycle mode 69 bit[15] - TM = 0, Single transfer mode 70 71 dma-names: 72 oneOf: 73 - items: 74 - const: tx 75 - const: rx 76 - items: 77 - const: rt 78 79 '#sound-dai-cells': 80 const: 0 81 82required: 83 - compatible 84 - reg 85 - interrupts 86 - interrupt-names 87 - clocks 88 - clock-names 89 - resets 90 - '#sound-dai-cells' 91 92additionalProperties: false 93 94examples: 95 - | 96 #include <dt-bindings/interrupt-controller/arm-gic.h> 97 #include <dt-bindings/clock/r9a07g044-cpg.h> 98 99 ssi0: ssi@10049c00 { 100 compatible = "renesas,r9a07g044-ssi", 101 "renesas,rz-ssi"; 102 reg = <0x10049c00 0x400>; 103 interrupts = <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>, 104 <GIC_SPI 327 IRQ_TYPE_EDGE_RISING>, 105 <GIC_SPI 328 IRQ_TYPE_EDGE_RISING>, 106 <GIC_SPI 329 IRQ_TYPE_EDGE_RISING>; 107 interrupt-names = "int_req", "dma_rx", "dma_tx", "dma_rt"; 108 clocks = <&cpg CPG_MOD R9A07G044_SSI0_PCLK2>, 109 <&cpg CPG_MOD R9A07G044_SSI0_PCLK_SFR>, 110 <&audio_clk1>, 111 <&audio_clk2>; 112 clock-names = "ssi", "ssi_sfr", "audio_clk1", "audio_clk2"; 113 power-domains = <&cpg>; 114 resets = <&cpg R9A07G044_SSI0_RST_M2_REG>; 115 dmas = <&dmac 0x2655>, 116 <&dmac 0x2656>; 117 dma-names = "tx", "rx"; 118 #sound-dai-cells = <0>; 119 };