xref: /linux/Documentation/devicetree/bindings/sound/fsl,xcvr.yaml (revision 0526b56cbc3c489642bd6a5fe4b718dea7ef0ee8) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/fsl,xcvr.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NXP Audio Transceiver (XCVR) Controller
8
9maintainers:
10  - Viorel Suman <viorel.suman@nxp.com>
11
12description: |
13  NXP XCVR (Audio Transceiver) is a on-chip functional module
14  that allows CPU to receive and transmit digital audio via
15  HDMI2.1 eARC, HDMI1.4 ARC and SPDIF.
16
17properties:
18  $nodename:
19    pattern: "^xcvr@.*"
20
21  compatible:
22    enum:
23      - fsl,imx8mp-xcvr
24      - fsl,imx93-xcvr
25
26  reg:
27    items:
28      - description: 20K RAM for code and data
29      - description: registers space
30      - description: RX FIFO address
31      - description: TX FIFO address
32
33  reg-names:
34    items:
35      - const: ram
36      - const: regs
37      - const: rxfifo
38      - const: txfifo
39
40  interrupts:
41    maxItems: 1
42
43  clocks:
44    items:
45      - description: Peripheral clock
46      - description: PHY clock
47      - description: SPBA clock
48      - description: PLL clock
49
50  clock-names:
51    items:
52      - const: ipg
53      - const: phy
54      - const: spba
55      - const: pll_ipg
56
57  dmas:
58    items:
59      - description: DMA controller phandle and request line for RX
60      - description: DMA controller phandle and request line for TX
61
62  dma-names:
63    items:
64      - const: rx
65      - const: tx
66
67  resets:
68    maxItems: 1
69
70required:
71  - compatible
72  - reg
73  - reg-names
74  - interrupts
75  - clocks
76  - clock-names
77  - dmas
78  - dma-names
79  - resets
80
81additionalProperties: false
82
83examples:
84  - |
85    #include <dt-bindings/interrupt-controller/arm-gic.h>
86    #include <dt-bindings/clock/imx8mp-clock.h>
87    #include <dt-bindings/reset/imx8mp-reset.h>
88
89    xcvr: xcvr@30cc0000 {
90           compatible = "fsl,imx8mp-xcvr";
91           reg = <0x30cc0000 0x800>,
92                 <0x30cc0800 0x400>,
93                 <0x30cc0c00 0x080>,
94                 <0x30cc0e00 0x080>;
95           reg-names = "ram", "regs", "rxfifo", "txfifo";
96           interrupts = <0x0 128 IRQ_TYPE_LEVEL_HIGH>;
97           clocks = <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_IPG>,
98                    <&audiomix_clk IMX8MP_CLK_AUDIOMIX_EARC_PHY>,
99                    <&audiomix_clk IMX8MP_CLK_AUDIOMIX_SPBA2_ROOT>,
100                    <&audiomix_clk IMX8MP_CLK_AUDIOMIX_AUDPLL_ROOT>;
101           clock-names = "ipg", "phy", "spba", "pll_ipg";
102           dmas = <&sdma2 30 2 0>, <&sdma2 31 2 0>;
103           dma-names = "rx", "tx";
104           resets = <&audiomix_reset 0>;
105    };
106