1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/rockchip,rk3328-codec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip rk3328 internal codec
8
9 maintainers:
10 - Heiko Stuebner <heiko@sntech.de>
11
12 properties:
13 compatible:
14 const: rockchip,rk3328-codec
15
16 reg:
17 maxItems: 1
18
19 clocks:
20 items:
21 - description: clock for audio codec
22 - description: clock for I2S master clock
23
24 clock-names:
25 items:
26 - const: pclk
27 - const: mclk
28
29 rockchip,grf:
30 $ref: /schemas/types.yaml#/definitions/phandle
31 description:
32 The phandle of the syscon node for the GRF register.
33
34 spk-depop-time-ms:
35 default: 200
36 description:
37 Speaker depop time in msec.
38
39 mute-gpios:
40 maxItems: 1
41 description:
42 GPIO specifier for external line driver control (typically the
43 dedicated GPIO_MUTE pin)
44
45 "#sound-dai-cells":
46 const: 0
47
48 required:
49 - compatible
50 - reg
51 - clocks
52 - clock-names
53 - rockchip,grf
54 - "#sound-dai-cells"
55
56 additionalProperties: false
57
58 examples:
59 - |
60 #include <dt-bindings/gpio/gpio.h>
61 #include <dt-bindings/clock/rk3328-cru.h>
62 codec: codec@ff410000 {
63 compatible = "rockchip,rk3328-codec";
64 reg = <0xff410000 0x1000>;
65 clocks = <&cru PCLK_ACODECPHY>, <&cru SCLK_I2S1>;
66 clock-names = "pclk", "mclk";
67 rockchip,grf = <&grf>;
68 mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>;
69 spk-depop-time-ms = <100>;
70 #sound-dai-cells = <0>;
71 };
Cache object: 8f26ed4620e80393f15092bfa0dfae20
|