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mb/google/volteer: Add new Audio option to FW_CONFIG 

Volteer has a new Audio option in FW_CONFIG. This patch adds
support for it and when enabled, programs GPIO pins for I2S
functionality.

BUG=b:171174991
TEST=emerge-volteer coreboot

Change-Id: I85bc37980957a3fb6c795858a4e4f44f3e3cc332
Signed-off-by: Wisley Chen <wisley.chen@quantatw.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47291
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
This commit is contained in:
Wisley Chen 2020-11-06 17:16:59 +08:00 committed by Tim Wawrzynczak
parent a04072c917
commit 35010ef9c5
2 changed files with 3 additions and 1 deletions
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3
src/mainboard/google/volteer/fw_config.c
View File

@ -81,7 +81,8 @@ static void fw_config_handle(void *unused)
gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
}
if (fw_config_probe(FW_CONFIG(AUDIO, MAX98357_ALC5682I_I2S)) ||
fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682I_I2S))) {
fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682I_I2S)) ||
fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S))) {
printk(BIOS_INFO, "Configure GPIOs for I2S audio on UP3.\n");
gpio_configure_pads(i2s_up3_enable_pads, ARRAY_SIZE(i2s_up3_enable_pads));
gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));

1
src/mainboard/google/volteer/variants/baseboard/devicetree.cb
View File

@ -15,6 +15,7 @@ fw_config
option MAX98373_ALC5682I_I2S 2
option MAX98373_ALC5682_SNDW 3
option MAX98373_ALC5682I_I2S_UP4 4
option MAX98360_ALC5682I_I2S 5
end
field TABLETMODE 11
option TABLETMODE_DISABLED 0