1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2020 Intel Corporation
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/sound/intel,keembay-i2s.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Intel KeemBay I2S
9
10 maintainers:
11 - Daniele Alessandrelli <daniele.alessandrelli@intel.com>
12 - Paul J. Murphy <paul.j.murphy@intel.com>
13
14 description: |
15 Intel KeemBay I2S
16
17 allOf:
18 - $ref: dai-common.yaml#
19
20 properties:
21 compatible:
22 enum:
23 - intel,keembay-i2s
24 - intel,keembay-tdm
25 - intel,keembay-hdmi-i2s
26
27 "#sound-dai-cells":
28 const: 0
29
30 reg:
31 items:
32 - description: I2S registers
33 - description: I2S gen configuration
34
35 reg-names:
36 items:
37 - const: i2s-regs
38 - const: i2s_gen_cfg
39
40 interrupts:
41 maxItems: 1
42
43 clocks:
44 items:
45 - description: Bus Clock
46 - description: Module Clock
47
48 clock-names:
49 items:
50 - const: osc
51 - const: apb_clk
52
53 dmas:
54 items:
55 - description: DMA TX channel
56 - description: DMA RX channel
57
58 dma-names:
59 items:
60 - const: tx
61 - const: rx
62
63 required:
64 - compatible
65 - "#sound-dai-cells"
66 - reg
67 - clocks
68 - clock-names
69 - interrupts
70
71 unevaluatedProperties: false
72
73 examples:
74 - |
75 #include <dt-bindings/interrupt-controller/arm-gic.h>
76 #include <dt-bindings/interrupt-controller/irq.h>
77 #define KEEM_BAY_PSS_AUX_I2S3
78 #define KEEM_BAY_PSS_I2S3
79 i2s3: i2s@20140000 {
80 compatible = "intel,keembay-i2s";
81 #sound-dai-cells = <0>;
82 reg = <0x20140000 0x200>, /* I2S registers */
83 <0x202a00a4 0x4>; /* I2S gen configuration */
84 reg-names = "i2s-regs", "i2s_gen_cfg";
85 interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
86 clock-names = "osc", "apb_clk";
87 clocks = <&scmi_clk KEEM_BAY_PSS_AUX_I2S3>, <&scmi_clk KEEM_BAY_PSS_I2S3>;
88 dmas = <&axi_dma0 29>, <&axi_dma0 33>;
89 dma-names = "tx", "rx";
90 };
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