xref: /linux/Documentation/devicetree/bindings/sound/mediatek,mtk-btcvsd-snd.yaml (revision e5c91aac491def6ab3f90c4cc246e3fcb0f8f058) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/mediatek,mtk-btcvsd-snd.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Mediatek ALSA BT SCO CVSD/MSBC
8
9maintainers:
10  - Luca Leonardo Scorcia <l.scorcia@gmail.com>
11
12properties:
13  compatible:
14    const: mediatek,mtk-btcvsd-snd
15
16  reg:
17    items:
18      - description: PKV region
19      - description: SRAM_BANK2 region
20
21  interrupts:
22    items:
23      - description: BT-SCO interrupt
24
25  mediatek,infracfg:
26    $ref: /schemas/types.yaml#/definitions/phandle
27    description: The phandle of the infracfg controller
28
29  mediatek,offset:
30    $ref: /schemas/types.yaml#/definitions/uint32-array
31    description: Array of register offsets and masks
32    items:
33      - description: infra_misc_offset
34      - description: infra_conn_bt_cvsd_mask
35      - description: cvsd_mcu_read_offset
36      - description: cvsd_mcu_write_offset
37      - description: cvsd_packet_indicator_offset
38
39required:
40  - compatible
41  - reg
42  - interrupts
43  - mediatek,infracfg
44  - mediatek,offset
45
46additionalProperties: false
47
48examples:
49  - |
50    #include <dt-bindings/interrupt-controller/arm-gic.h>
51
52    mtk-btcvsd-snd@18000000 {
53      compatible = "mediatek,mtk-btcvsd-snd";
54      reg = <0x18000000 0x1000>,
55            <0x18080000 0x8000>;
56      interrupts = <GIC_SPI 286 IRQ_TYPE_LEVEL_LOW>;
57      mediatek,infracfg = <&infrasys>;
58      mediatek,offset = <0xf00 0x800 0xfd0 0xfd4 0xfd8>;
59    };
60