| Marcel Ziswiler | a68bad0 | 2022-07-21 15:41:23 +0200 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-or-later OR MIT |
| 2 | /* |
| 3 | * Copyright 2022 Toradex |
| 4 | */ |
| 5 | |
| 6 | #include "imx8mm-verdin-dahlia.dtsi" |
| 7 | |
| 8 | / { |
| 9 | sound_card: sound-card { |
| 10 | compatible = "simple-audio-card"; |
| 11 | simple-audio-card,bitclock-master = <&dailink_master>; |
| 12 | simple-audio-card,format = "i2s"; |
| 13 | simple-audio-card,frame-master = <&dailink_master>; |
| 14 | simple-audio-card,name = "imx8mm-nau8822"; |
| 15 | simple-audio-card,routing = |
| 16 | "Headphones", "LHP", |
| 17 | "Headphones", "RHP", |
| 18 | "Speaker", "LSPK", |
| 19 | "Speaker", "RSPK", |
| 20 | "Line Out", "AUXOUT1", |
| 21 | "Line Out", "AUXOUT2", |
| 22 | "LAUX", "Line In", |
| 23 | "RAUX", "Line In", |
| 24 | "LMICP", "Mic In", |
| 25 | "RMICP", "Mic In"; |
| 26 | simple-audio-card,widgets = |
| 27 | "Headphones", "Headphones", |
| 28 | "Line Out", "Line Out", |
| 29 | "Speaker", "Speaker", |
| 30 | "Microphone", "Mic In", |
| 31 | "Line", "Line In"; |
| 32 | |
| 33 | dailink_master: simple-audio-card,codec { |
| 34 | clocks = <&clk IMX8MM_CLK_SAI2_ROOT>; |
| 35 | sound-dai = <&nau8822_1a>; |
| 36 | }; |
| 37 | |
| 38 | simple-audio-card,cpu { |
| 39 | sound-dai = <&sai2>; |
| 40 | }; |
| 41 | }; |
| 42 | }; |
| 43 | |
| 44 | &gpio_expander_21 { |
| 45 | status = "okay"; |
| 46 | }; |
| 47 | |
| 48 | /* Verdin I2C_1 */ |
| 49 | &i2c4 { |
| 50 | /* Audio Codec */ |
| 51 | nau8822_1a: audio-codec@1a { |
| 52 | compatible = "nuvoton,nau8822"; |
| 53 | reg = <0x1a>; |
| 54 | }; |
| 55 | }; |
| 56 | |
| 57 | /* Verdin UART_1, connector X50 through RS485 transceiver */ |
| 58 | &uart2 { |
| 59 | linux,rs485-enabled-at-boot-time; |
| 60 | rs485-rts-active-low; |
| 61 | rs485-rx-during-tx; |
| 62 | }; |
| 63 | |
| 64 | /* Limit frequency on dev board due to long traces and bad signal integrity */ |
| 65 | &usdhc2 { |
| 66 | max-frequency = <100000000>; |
| 67 | }; |