1472abb80SJohan Jonker# SPDX-License-Identifier: GPL-2.0 2472abb80SJohan Jonker%YAML 1.2 3472abb80SJohan Jonker--- 4472abb80SJohan Jonker$id: http://devicetree.org/schemas/sound/rockchip-i2s.yaml# 5472abb80SJohan Jonker$schema: http://devicetree.org/meta-schemas/core.yaml# 6472abb80SJohan Jonker 7472abb80SJohan Jonkertitle: Rockchip I2S controller 8472abb80SJohan Jonker 9472abb80SJohan Jonkerdescription: 10472abb80SJohan Jonker The I2S bus (Inter-IC sound bus) is a serial link for digital 11472abb80SJohan Jonker audio data transfer between devices in the system. 12472abb80SJohan Jonker 13472abb80SJohan Jonkermaintainers: 14472abb80SJohan Jonker - Heiko Stuebner <heiko@sntech.de> 15472abb80SJohan Jonker 16*58ae9a2aSKrzysztof KozlowskiallOf: 17*58ae9a2aSKrzysztof Kozlowski - $ref: dai-common.yaml# 18*58ae9a2aSKrzysztof Kozlowski 19472abb80SJohan Jonkerproperties: 20472abb80SJohan Jonker compatible: 21472abb80SJohan Jonker oneOf: 22472abb80SJohan Jonker - const: rockchip,rk3066-i2s 23472abb80SJohan Jonker - items: 24472abb80SJohan Jonker - enum: 25472abb80SJohan Jonker - rockchip,px30-i2s 26d5ceed03SSugar Zhang - rockchip,rk1808-i2s 27472abb80SJohan Jonker - rockchip,rk3036-i2s 28d5ceed03SSugar Zhang - rockchip,rk3128-i2s 29472abb80SJohan Jonker - rockchip,rk3188-i2s 30472abb80SJohan Jonker - rockchip,rk3228-i2s 31472abb80SJohan Jonker - rockchip,rk3288-i2s 32ab436c97SJohan Jonker - rockchip,rk3308-i2s 33472abb80SJohan Jonker - rockchip,rk3328-i2s 34472abb80SJohan Jonker - rockchip,rk3366-i2s 35472abb80SJohan Jonker - rockchip,rk3368-i2s 36472abb80SJohan Jonker - rockchip,rk3399-i2s 37d5ceed03SSugar Zhang - rockchip,rv1126-i2s 38472abb80SJohan Jonker - const: rockchip,rk3066-i2s 39472abb80SJohan Jonker 40472abb80SJohan Jonker reg: 41472abb80SJohan Jonker maxItems: 1 42472abb80SJohan Jonker 43472abb80SJohan Jonker interrupts: 44472abb80SJohan Jonker maxItems: 1 45472abb80SJohan Jonker 46472abb80SJohan Jonker clocks: 47472abb80SJohan Jonker items: 48472abb80SJohan Jonker - description: clock for I2S controller 49472abb80SJohan Jonker - description: clock for I2S BUS 50472abb80SJohan Jonker 51472abb80SJohan Jonker clock-names: 52472abb80SJohan Jonker items: 53472abb80SJohan Jonker - const: i2s_clk 54472abb80SJohan Jonker - const: i2s_hclk 55472abb80SJohan Jonker 56472abb80SJohan Jonker dmas: 57ab436c97SJohan Jonker minItems: 1 58ab436c97SJohan Jonker maxItems: 2 59472abb80SJohan Jonker 60472abb80SJohan Jonker dma-names: 61ab436c97SJohan Jonker oneOf: 62ab436c97SJohan Jonker - const: rx 63ab436c97SJohan Jonker - items: 64472abb80SJohan Jonker - const: tx 65472abb80SJohan Jonker - const: rx 66472abb80SJohan Jonker 67d92c3d13SJudy Hsiao pinctrl-names: 68d92c3d13SJudy Hsiao oneOf: 69d92c3d13SJudy Hsiao - const: default 70d92c3d13SJudy Hsiao - items: 71d92c3d13SJudy Hsiao - const: bclk_on 72d92c3d13SJudy Hsiao - const: bclk_off 73d92c3d13SJudy Hsiao 742a79c31aSJohan Jonker power-domains: 752a79c31aSJohan Jonker maxItems: 1 762a79c31aSJohan Jonker 77296713a3SSugar Zhang reset-names: 78296713a3SSugar Zhang items: 79296713a3SSugar Zhang - const: reset-m 80296713a3SSugar Zhang - const: reset-h 81296713a3SSugar Zhang 82296713a3SSugar Zhang resets: 83296713a3SSugar Zhang maxItems: 2 84296713a3SSugar Zhang 85472abb80SJohan Jonker rockchip,capture-channels: 863d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 87472abb80SJohan Jonker default: 2 88472abb80SJohan Jonker description: 89472abb80SJohan Jonker Max capture channels, if not set, 2 channels default. 90472abb80SJohan Jonker 91472abb80SJohan Jonker rockchip,playback-channels: 923d21a460SRob Herring $ref: /schemas/types.yaml#/definitions/uint32 93472abb80SJohan Jonker default: 8 94472abb80SJohan Jonker description: 95472abb80SJohan Jonker Max playback channels, if not set, 8 channels default. 96472abb80SJohan Jonker 97472abb80SJohan Jonker rockchip,grf: 98472abb80SJohan Jonker $ref: /schemas/types.yaml#/definitions/phandle 99472abb80SJohan Jonker description: 100472abb80SJohan Jonker The phandle of the syscon node for the GRF register. 101472abb80SJohan Jonker Required property for controllers which support multi channel 102472abb80SJohan Jonker playback/capture. 103472abb80SJohan Jonker 104515d2757SJohan Jonker "#sound-dai-cells": 105515d2757SJohan Jonker const: 0 106515d2757SJohan Jonker 107472abb80SJohan Jonkerrequired: 108472abb80SJohan Jonker - compatible 109472abb80SJohan Jonker - reg 110472abb80SJohan Jonker - interrupts 111472abb80SJohan Jonker - clocks 112472abb80SJohan Jonker - clock-names 113472abb80SJohan Jonker - dmas 114472abb80SJohan Jonker - dma-names 115515d2757SJohan Jonker - "#sound-dai-cells" 116472abb80SJohan Jonker 117*58ae9a2aSKrzysztof KozlowskiunevaluatedProperties: false 118472abb80SJohan Jonker 119472abb80SJohan Jonkerexamples: 120472abb80SJohan Jonker - | 121472abb80SJohan Jonker #include <dt-bindings/clock/rk3288-cru.h> 122472abb80SJohan Jonker #include <dt-bindings/interrupt-controller/arm-gic.h> 123472abb80SJohan Jonker #include <dt-bindings/interrupt-controller/irq.h> 124472abb80SJohan Jonker i2s@ff890000 { 125472abb80SJohan Jonker compatible = "rockchip,rk3288-i2s", "rockchip,rk3066-i2s"; 126472abb80SJohan Jonker reg = <0xff890000 0x10000>; 127472abb80SJohan Jonker interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>; 128472abb80SJohan Jonker clocks = <&cru SCLK_I2S0>, <&cru HCLK_I2S0>; 129472abb80SJohan Jonker clock-names = "i2s_clk", "i2s_hclk"; 130472abb80SJohan Jonker dmas = <&pdma1 0>, <&pdma1 1>; 131472abb80SJohan Jonker dma-names = "tx", "rx"; 132472abb80SJohan Jonker rockchip,capture-channels = <2>; 133472abb80SJohan Jonker rockchip,playback-channels = <8>; 134515d2757SJohan Jonker #sound-dai-cells = <0>; 135472abb80SJohan Jonker }; 136