mediatek: bananapi-r3: add drivers and overlay for ReSpeaker 2-mic audio hat #14196
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Pick commits adding drivers for audio engine found in MT7986 from Linux 6.6 as well as follow-up fixes from Linux 6.7. Signed-off-by: Maso Huang <maso.huang@mediatek.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Package codec module for WM8960 in its own package to be used by more than one target. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Packages the audio drivers for the MediaTek MT7986 SoC used with Wolfson WM8960 codec. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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 <daniel@makrotopia.org>
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Backport commits from upstream Linux adding driver for the audio engine part of the MT7986 SoC, package the resulting modules and add a device tree overlay to allow using the ReSpeaker 2-mic hat with 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
Once connected, install the driver and tell U-Boot to apply the DT overlay:
To setup the ReSpeaker for Stereo out on the Headphone plug:
Discussion see also
https://forum.banana-pi.org/t/bpi-r3-with-respeaker-2-mic-hat-soundcard/16815