From 957a0921e20257bd94b7f5ace6e07a68e8388499 Mon Sep 17 00:00:00 2001 From: Daniel Golle Date: Sun, 10 Dec 2023 23:09:00 +0000 Subject: mediatek: bananapi-r3: add overlay for ReSpeaker 2-mic hat Add DT overlay to allow using the ReSpeaker 2-mic hat connected to the 26-pin header of the BananaPi BPi-R3. Supported sample formats: S16_LE, S24_LE, S32_LE Supported sample rates: 8/12/16/24/32/48/96/192 kHz | BPi-R3 | ReSpeaker 2-mic Signal | 26-pin | 40-pin ----------+----------+------------------- VCC 5V | 2 | 2 I2C SDA | 3 | 3 I2C SCL | 5 | 5 GND | 6 | 6 PCM CLK | 12 | 12 PCM FS | 15 | 35 PCM DIN | 26 | 38 GND | 25 | 39 PCM DOUT | 22 | 40 Once connected, install the driver and tell U-Boot to apply the DT overlay: opkg kmod-sound-soc-mt7986-wm8960 fw_setenv bootconf_base "config-mt7986a-bananapi-bpi-r3#mt7986a-bananapi-bpi-r3-respeaker-2mics" reboot To setup the ReSpeaker for Stereo out on the Headphone plug: amixer sset 'Right Output Mixer PCM' on amixer sset 'Left Output Mixer PCM' on amixer sset 'PCM Playback -6dB' off amixer sset 'O018 I150_Switch' on amixer sset 'O019 I151_Switch' on amixer sset 'O124 I032_Switch' on amixer sset 'O125 I033_Switch' on amixer sset 'Headphone' 121 amixer sset 'Playback' 255 Signed-off-by: Daniel Golle --- target/linux/mediatek/image/filogic.mk | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'target/linux/mediatek/image') diff --git a/target/linux/mediatek/image/filogic.mk b/target/linux/mediatek/image/filogic.mk index 36333bb926..7af96674d9 100644 --- a/target/linux/mediatek/image/filogic.mk +++ b/target/linux/mediatek/image/filogic.mk @@ -212,7 +212,9 @@ define Device/bananapi_bpi-r3 DEVICE_MODEL := BPi-R3 DEVICE_DTS := mt7986a-bananapi-bpi-r3 DEVICE_DTS_CONFIG := config-mt7986a-bananapi-bpi-r3 - DEVICE_DTS_OVERLAY:= mt7986a-bananapi-bpi-r3-emmc mt7986a-bananapi-bpi-r3-nand mt7986a-bananapi-bpi-r3-nor mt7986a-bananapi-bpi-r3-sd + DEVICE_DTS_OVERLAY:= mt7986a-bananapi-bpi-r3-emmc mt7986a-bananapi-bpi-r3-nand \ + mt7986a-bananapi-bpi-r3-nor mt7986a-bananapi-bpi-r3-sd \ + mt7986a-bananapi-bpi-r3-respeaker-2mics DEVICE_DTS_DIR := $(DTS_DIR)/ DEVICE_DTS_LOADADDR := 0x43f00000 DEVICE_PACKAGES := kmod-hwmon-pwmfan kmod-i2c-gpio kmod-mt7986-firmware kmod-sfp kmod-usb3 e2fsprogs f2fsck mkf2fs mt7986-wo-firmware -- cgit v1.2.3