| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/sound/rockchip-spdif.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Rockchip SPDIF transceiver |
| 8 | |
| 9 | description: |
| 10 | The S/PDIF audio block is a stereo transceiver that allows the |
| 11 | processor to receive and transmit digital audio via a coaxial or |
| 12 | fibre cable. |
| 13 | |
| 14 | maintainers: |
| 15 | - Heiko Stuebner <heiko@sntech.de> |
| 16 | |
| 17 | properties: |
| 18 | compatible: |
| 19 | oneOf: |
| 20 | - const: rockchip,rk3066-spdif |
| 21 | - const: rockchip,rk3228-spdif |
| 22 | - const: rockchip,rk3328-spdif |
| 23 | - const: rockchip,rk3366-spdif |
| 24 | - const: rockchip,rk3368-spdif |
| 25 | - const: rockchip,rk3399-spdif |
| 26 | - const: rockchip,rk3568-spdif |
| 27 | - items: |
| 28 | - enum: |
| 29 | - rockchip,rk3128-spdif |
| 30 | - rockchip,rk3188-spdif |
| 31 | - rockchip,rk3288-spdif |
| 32 | - rockchip,rk3308-spdif |
| 33 | - const: rockchip,rk3066-spdif |
| 34 | |
| 35 | reg: |
| 36 | maxItems: 1 |
| 37 | |
| 38 | interrupts: |
| 39 | maxItems: 1 |
| 40 | |
| 41 | clocks: |
| 42 | items: |
| 43 | - description: clock for SPDIF bus |
| 44 | - description: clock for SPDIF controller |
| 45 | |
| 46 | clock-names: |
| 47 | items: |
| 48 | - const: mclk |
| 49 | - const: hclk |
| 50 | |
| 51 | dmas: |
| 52 | maxItems: 1 |
| 53 | |
| 54 | dma-names: |
| 55 | const: tx |
| 56 | |
| 57 | power-domains: |
| 58 | maxItems: 1 |
| 59 | |
| 60 | rockchip,grf: |
| 61 | $ref: /schemas/types.yaml#/definitions/phandle |
| 62 | description: |
| 63 | The phandle of the syscon node for the GRF register. |
| 64 | Required property on RK3288. |
| 65 | |
| 66 | "#sound-dai-cells": |
| 67 | const: 0 |
| 68 | |
| 69 | required: |
| 70 | - compatible |
| 71 | - reg |
| 72 | - interrupts |
| 73 | - clocks |
| 74 | - clock-names |
| 75 | - dmas |
| 76 | - dma-names |
| 77 | - "#sound-dai-cells" |
| 78 | |
| 79 | allOf: |
| 80 | - $ref: dai-common.yaml# |
| 81 | - if: |
| 82 | properties: |
| 83 | compatible: |
| 84 | contains: |
| 85 | const: rockchip,rk3288-spdif |
| 86 | then: |
| 87 | required: |
| 88 | - rockchip,grf |
| 89 | |
| 90 | unevaluatedProperties: false |
| 91 | |
| 92 | examples: |
| 93 | - | |
| 94 | #include <dt-bindings/clock/rk3188-cru.h> |
| 95 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 96 | spdif: spdif@1011e000 { |
| 97 | compatible = "rockchip,rk3188-spdif", "rockchip,rk3066-spdif"; |
| 98 | reg = <0x1011e000 0x2000>; |
| 99 | interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; |
| 100 | clocks = <&cru SCLK_SPDIF>, <&cru HCLK_SPDIF>; |
| 101 | clock-names = "mclk", "hclk"; |
| 102 | dmas = <&dmac1_s 8>; |
| 103 | dma-names = "tx"; |
| 104 | #sound-dai-cells = <0>; |
| 105 | }; |