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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2 --- $id: http://devicetree.org/schemas/sound/davinci-mcbsp.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: McBSP Controller for TI SoCs maintainers: - Bastien Curutchet <bastien.curutchet@bootlin.com> allOf: - $ref: dai-common.yaml# properties: compatible: enum: - ti,da850-mcbsp reg: minItems: 1 items: - description: CFG registers - description: data registers reg-names: minItems: 1 items: - const: mpu - const: dat dmas: items: - description: transmission DMA channel - description: reception DMA channel dma-names: items: - const: tx - const: rx interrupts: items: - description: RX interrupt - description: TX interrupt interrupt-names: items: - const: rx - const: tx clocks: minItems: 1 items: - description: functional clock - description: external input clock for sample rate generator. clock-names: minItems: 1 items: - const: fck - const: clks power-domains: maxItems: 1 "#sound-dai-cells": const: 0 ti,T1-framing-tx: $ref: /schemas/types.yaml#/definitions/flag description: If the property is present, tx data delay is set to 2 bit clock periods. McBSP will insert a blank period (high-impedance period) before the first data bit. This can be used to interface to T1-framing devices. ti,T1-framing-rx: $ref: /schemas/types.yaml#/definitions/flag description: If the property is present, rx data delay is set to 2 bit clock periods. McBSP will discard the bit preceding the data stream (called framing bit). This can be used to interface to T1-framing devices. required: - "#sound-dai-cells" - compatible - reg - reg-names - dmas - dma-names - clocks unevaluatedProperties: false examples: - | mcbsp0@1d10000 { #sound-dai-cells = <0>; compatible = "ti,da850-mcbsp"; pinctrl-names = "default"; pinctrl-0 = <&mcbsp0_pins>; reg = <0x111000 0x1000>, <0x311000 0x1000>; reg-names = "mpu", "dat"; interrupts = <97>, <98>; interrupt-names = "rx", "tx"; dmas = <&edma0 3 1>, <&edma0 2 1>; dma-names = "tx", "rx"; clocks = <&psc1 14>; }; |