| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | allOf: |
| 12 | - $ref: dai-common.yaml# |
| 13 | |
| 14 | |
| 15 | properties: |
| 16 | compatible: |
| 17 | const: rockchip,rk3328-codec |
| 18 | |
| 19 | reg: |
| 20 | maxItems: 1 |
| 21 | |
| 22 | clocks: |
| 23 | items: |
| 24 | - description: clock for audio codec |
| 25 | - description: clock for I2S master clock |
| 26 | |
| 27 | clock-names: |
| 28 | items: |
| 29 | - const: pclk |
| 30 | - const: mclk |
| 31 | |
| 32 | rockchip,grf: |
| 33 | $ref: /schemas/types.yaml#/definitions/phandle |
| 34 | description: |
| 35 | The phandle of the syscon node for the GRF register. |
| 36 | |
| 37 | spk-depop-time-ms: |
| 38 | default: 200 |
| 39 | description: |
| 40 | Speaker depop time in msec. |
| 41 | |
| 42 | mute-gpios: |
| 43 | maxItems: 1 |
| 44 | description: |
| 45 | GPIO specifier for external line driver control (typically the |
| 46 | dedicated GPIO_MUTE pin) |
| 47 | |
| 48 | "#sound-dai-cells": |
| 49 | const: 0 |
| 50 | |
| 51 | required: |
| 52 | - compatible |
| 53 | - reg |
| 54 | - clocks |
| 55 | - clock-names |
| 56 | - rockchip,grf |
| 57 | - "#sound-dai-cells" |
| 58 | |
| 59 | unevaluatedProperties: false |
| 60 | |
| 61 | examples: |
| 62 | - | |
| 63 | #include <dt-bindings/gpio/gpio.h> |
| 64 | #include <dt-bindings/clock/rk3328-cru.h> |
| 65 | codec: codec@ff410000 { |
| 66 | compatible = "rockchip,rk3328-codec"; |
| 67 | reg = <0xff410000 0x1000>; |
| 68 | clocks = <&cru PCLK_ACODECPHY>, <&cru SCLK_I2S1>; |
| 69 | clock-names = "pclk", "mclk"; |
| 70 | rockchip,grf = <&grf>; |
| 71 | mute-gpios = <&grf_gpio 0 GPIO_ACTIVE_LOW>; |
| 72 | spk-depop-time-ms = <100>; |
| 73 | #sound-dai-cells = <0>; |
| 74 | }; |