[S] Change in coreboot[master]: mb/google/brya/var/omnigul: Enable Cnvi BT Audio Offload feature

[Martin L Roth (Code Review)]

Martin L Roth has submitted this change. ( https://review.coreboot.org/c/coreboot/+/72035 )

Change subject: mb/google/brya/var/omnigul: Enable Cnvi BT Audio Offload feature
......................................................................

mb/google/brya/var/omnigul: Enable Cnvi BT Audio Offload feature

1. Enable Cnvi BT Audio Offload feature and also
   configure the virtual GPIO for CNVi Bluetooth I2S pads.
2. According to the SOC_GPIO_Table_20230116,
   Change GPIO GPP_D15, GPP_D16 to NC.

BUG=b:264834572
TEST=FW_NAME=omnigul emerge-brya coreboot

Change-Id: I4901c8cd660f2d47018e4cccdb67f666f0800423
Signed-off-by: Jamie chen 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72035
Reviewed-by: Eric Lai 
Tested-by: build bot (Jenkins) 
Reviewed-by: Dtrain Hsu 
---
M src/mainboard/google/brya/variants/omnigul/gpio.c
M src/mainboard/google/brya/variants/omnigul/overridetree.cb
2 files changed, 45 insertions(+), 2 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Dtrain Hsu: Looks good to me, approved
  Eric Lai: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/brya/variants/omnigul/gpio.c b/src/mainboard/google/brya/variants/omnigul/gpio.c
index f65f8ab..704ef8f 100644
--- a/src/mainboard/google/brya/variants/omnigul/gpio.c
+++ b/src/mainboard/google/brya/variants/omnigul/gpio.c
@@ -105,9 +105,9 @@
    /* D14 : ISH_UART0_TXD ==> NC */
    PAD_NC_LOCK(GPP_D14, NONE, LOCK_CONFIG),
    /* D15 : ISH_UART0_RTS# ==> GPP_D15 */
-	PAD_CFG_GPI_LOCK(GPP_D15, NONE, LOCK_CONFIG),
+	PAD_NC_LOCK(GPP_D15, NONE, LOCK_CONFIG),
    /* D16 : ISH_UART0_CTS# ==> GPP_D16 */
-	PAD_CFG_GPI_LOCK(GPP_D16, NONE, LOCK_CONFIG),
+	PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG),
    /* D17 : UART1_RXD ==> GPP_D17 */
    PAD_CFG_GPI_LOCK(GPP_D17, NONE, LOCK_CONFIG),
    /* D18 : UART1_TXD ==> NC */
@@ -255,6 +255,24 @@
    /* GPD10: SLP_S5# ==> SLP_S5_L */
    /* GPD11: LANPHYC ==> GPD11 */
    PAD_NC(GPD11, 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 */
diff --git a/src/mainboard/google/brya/variants/omnigul/overridetree.cb b/src/mainboard/google/brya/variants/omnigul/overridetree.cb
index 53f3fea..79e948d 100644
--- a/src/mainboard/google/brya/variants/omnigul/overridetree.cb
+++ b/src/mainboard/google/brya/variants/omnigul/overridetree.cb
@@ -44,6 +44,9 @@
    	.configure_ext_fivr = 1,
    }"

+	# Enable the Cnvi BT Audio Offload
+	register "cnvi_bt_audio_offload" = "1"
+
    device domain 0 on
    	device ref i2c0 on
    		chip drivers/i2c/generic