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mb/google/skywalker: Add AW88081 support for beep sound

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Add the FW_CONFIG configuration for the audio amp.

BUG=b:426678967
TEST=emerge-skywalker coreboot chromeos-bootimage
BRANCH=Skywalker

Change-Id: Iaf461a26db92597883c8fa61f292bf14a145145c
Signed-off-by: Cai Chen <chencai5@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/89913
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Cai Chen 2025-11-05 10:42:13 +08:00 • committed by Matt DeVillier
commit 9bea3130b5
2 changed files with 14 additions and 0 deletions
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1
src/mainboard/google/skywalker/devicetree.cb
View file

@ -8,6 +8,7 @@ fw_config
field AUDIO_AMP 25 27
option AMP_RT9123 0
option AMP_RT1019 1
option AMP_AW88081 2
option AMP_ALC5645 3
option AMP_CS35L51 4
end

13
src/mainboard/google/skywalker/mainboard.c
View file

@ -50,6 +50,17 @@ static void configure_cs35l51(void)
printk(BIOS_INFO, "%s: AMP configuration done\n", __func__);
}
static void configure_aw88081(void)
{
/* Set the SOC corresponding pin to I2S related function */
setup_i2s_speaker();
/* Init I2C bus timing register for audio codecs */
mtk_i2c_bus_init(I2C8, I2C_SPEED_STANDARD);
printk(BIOS_INFO, "%s: AMP configuration done\n", __func__);
}
static void configure_alc5645(void)
{
/* SoC I2S */
@ -75,6 +86,8 @@ static void configure_audio(void)
if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_RT9123)) ||
fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_RT1019)))
configure_rt9123_rt1019();
else if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_AW88081)))
configure_aw88081();
else if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_ALC5645)))
configure_alc5645();
else if (fw_config_probe(FW_CONFIG(AUDIO_AMP, AMP_CS35L51)))