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mb/google/brya/variants/trulo: Enable BT audio offload

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vGPIO configs are configured to enable SSP2 for BT audio offload.

BUG=b:404741604
Test=Verified BT offload with HDA configuration

Change-Id: Ibce828e32f4640cb234591392bb6ebf0662105fc
Signed-off-by: Monika A <monika.a@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86929
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
This commit is contained in:
Monika A 2025-03-18 16:22:20 +05:30 • committed by Matt DeVillier
commit a47aa776a7
2 changed files with 21 additions and 0 deletions
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18
src/mainboard/google/brya/variants/trulo/gpio.c
View file

@ -410,6 +410,24 @@ static const struct pad_config gpio_table[] = {
PAD_NC(GPP_VGPIO_20, NONE),
/* vUART0_RTS_B */
PAD_NC(GPP_VGPIO_21, NONE),
/* Configure the virtual CNVi Bluetooth I2S GPIO Pads.*/
/* BT_I2S_BCLK */
PAD_CFG_NF(GPP_VGPIO_30, NONE, DEEP, NF3),
/* BT_I2S_SYNC */
PAD_CFG_NF(GPP_VGPIO_31, NONE, DEEP, NF3),
/* BT_I2S_SDO */
PAD_CFG_NF(GPP_VGPIO_32, NONE, DEEP, NF3),
/* BT_I2S_SDI */
PAD_CFG_NF(GPP_VGPIO_33, NONE, DEEP, NF3),
/* SSP2_SCLK */
PAD_CFG_NF(GPP_VGPIO_34, NONE, DEEP, NF1),
/* SSP2_SFRM */
PAD_CFG_NF(GPP_VGPIO_35, NONE, DEEP, NF1),
/* SSP_TXD */
PAD_CFG_NF(GPP_VGPIO_36, NONE, DEEP, NF1),
/* SSP_RXD */
PAD_CFG_NF(GPP_VGPIO_37, NONE, DEEP, NF1),
};
/* Early pad configuration in bootblock */

3
src/mainboard/google/brya/variants/trulo/overridetree.cb
View file

@ -116,6 +116,9 @@ chip soc/intel/alderlake
.vnn_icc_max_ma = 500,
}"
# Enable CNVi BT Audio offload
register "cnvi_bt_audio_offload" = "1"
register "serial_io_i2c_mode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoPci,
[PchSerialIoIndexI2C1] = PchSerialIoPci,