mb/google/brya/variants/volmar: Init devicetree for volmar

Init basic override devicetree based on schematics

BUG=b:211891086
TEST=FW_NAME="volmar" emerge-brya coreboot chromeos-bootimage

Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: I40b364e3df2f04a6b828f4f288667b96b6e0bd22
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61299
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ren Kuo <ren.kuo@quanta.corp-partner.google.com>

5 files changed, 488 insertions, 2 deletions

diff --git a/src/mainboard/google/brya/Kconfig.name b/src/mainboard/google/brya/Kconfig.name
index 26c90da03d..19930592e1 100644
--- a/src/mainboard/google/brya/Kconfig.name
+++ b/src/mainboard/google/brya/Kconfig.name
@@ -150,6 +150,8 @@ config BOARD_GOOGLE_VELL
 config BOARD_GOOGLE_VOLMAR
 	bool "->  Volmar"
 	select BOARD_GOOGLE_BASEBOARD_BRYA
+	select DRIVERS_I2C_MAX98373
+	select DRIVERS_I2C_NAU8825
 
 config BOARD_GOOGLE_BANSHEE
 	bool "->  Banshee"
diff --git a/src/mainboard/google/brya/variants/volmar/Makefile.inc b/src/mainboard/google/brya/variants/volmar/Makefile.inc
index d38141ca24..9ea19ded56 100644
--- a/src/mainboard/google/brya/variants/volmar/Makefile.inc
+++ b/src/mainboard/google/brya/variants/volmar/Makefile.inc
@@ -4,3 +4,5 @@ bootblock-y += gpio.c
 romstage-y += gpio.c
 
 ramstage-y += gpio.c
+ramstage-$(CONFIG_FW_CONFIG) += variant.c
+ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
diff --git a/src/mainboard/google/brya/variants/volmar/fw_config.c b/src/mainboard/google/brya/variants/volmar/fw_config.c
new file mode 100644
index 0000000000..375dca2e2a
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/fw_config.c
@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <bootstate.h>
+#include <console/console.h>
+#include <fw_config.h>
+#include <gpio.h>
+
+static const struct pad_config dmic_enable_pads[] = {
+	PAD_CFG_NF(GPP_R4, NONE, DEEP, NF3),	/* DMIC_CLK0_R */
+	PAD_CFG_NF(GPP_R5, NONE, DEEP, NF3),	/* DMIC_DATA0_R */
+	PAD_CFG_NF(GPP_R6, NONE, DEEP, NF3),	/* DMIC_CLK1_R */
+	PAD_CFG_NF(GPP_R7, NONE, DEEP, NF3),	/* DMIC_DATA1_R */
+};
+
+static const struct pad_config dmic_disable_pads[] = {
+	PAD_NC(GPP_R4, NONE),
+	PAD_NC(GPP_R5, NONE),
+	PAD_NC(GPP_R6, NONE),
+	PAD_NC(GPP_R7, NONE),
+};
+
+static const struct pad_config i2s_enable_pads[] = {
+	PAD_CFG_NF(GPP_R0, NONE, DEEP, NF2),	/* I2S_HP_SCLK_R */
+	PAD_CFG_NF(GPP_R1, NONE, DEEP, NF2),	/* I2S_HP_SFRM_R */
+	PAD_CFG_NF(GPP_R2, DN_20K, DEEP, NF2),	/* I2S_PCH_TX_HP_RX_STRAP */
+	PAD_CFG_NF(GPP_R3, NONE, DEEP, NF2),	/* I2S_PCH_RX_HP_TX */
+	PAD_CFG_NF(GPP_S0, NONE, DEEP, NF4),	/* I2S_SPKR_SCLK_R */
+	PAD_CFG_NF(GPP_S1, NONE, DEEP, NF4),	/* I2S_SPKR_SFRM_R */
+	PAD_CFG_NF(GPP_S2, NONE, DEEP, NF4),	/* I2S_PCH_TX_SPKR_RX_R */
+	PAD_CFG_NF(GPP_S3, NONE, DEEP, NF4),	/* I2S_PCH_RX_SPKR_TX */
+};
+
+static const struct pad_config i2s_disable_pads[] = {
+	PAD_NC(GPP_R0, NONE),
+	PAD_NC(GPP_R1, NONE),
+	PAD_NC(GPP_R2, NONE),
+	PAD_NC(GPP_R3, NONE),
+	PAD_NC(GPP_S0, NONE),
+	PAD_NC(GPP_S1, NONE),
+	PAD_NC(GPP_S2, NONE),
+	PAD_NC(GPP_S3, NONE),
+};
+
+static const struct pad_config bt_i2s_enable_pads[] = {
+	PAD_CFG_NF(GPP_VGPIO_30, NONE, DEEP, NF3),	/* BT_I2S_BCLK */
+	PAD_CFG_NF(GPP_VGPIO_31, NONE, DEEP, NF3),	/* BT_I2S_SYNC */
+	PAD_CFG_NF(GPP_VGPIO_32, NONE, DEEP, NF3),	/* BT_I2S_SDO */
+	PAD_CFG_NF(GPP_VGPIO_33, NONE, DEEP, NF3),	/* BT_I2S_SDI */
+	PAD_CFG_NF(GPP_VGPIO_34, NONE, DEEP, NF1),	/* SSP2_SCLK */
+	PAD_CFG_NF(GPP_VGPIO_35, NONE, DEEP, NF1),	/* SSP2_SFRM */
+	PAD_CFG_NF(GPP_VGPIO_36, NONE, DEEP, NF1),	/* SSP_TXD */
+	PAD_CFG_NF(GPP_VGPIO_37, NONE, DEEP, NF1),	/* SSP_RXD */
+};
+
+static const struct pad_config bt_i2s_disable_pads[] = {
+	PAD_NC(GPP_VGPIO_30, NONE),
+	PAD_NC(GPP_VGPIO_31, NONE),
+	PAD_NC(GPP_VGPIO_32, NONE),
+	PAD_NC(GPP_VGPIO_33, NONE),
+	PAD_NC(GPP_VGPIO_34, NONE),
+	PAD_NC(GPP_VGPIO_35, NONE),
+	PAD_NC(GPP_VGPIO_36, NONE),
+	PAD_NC(GPP_VGPIO_37, NONE),
+};
+
+static void fw_config_handle(void *unused)
+{
+	if (!fw_config_is_provisioned() || fw_config_probe(FW_CONFIG(AUDIO, AUDIO_UNKNOWN))) {
+		printk(BIOS_INFO, "Disable audio related GPIO pins.\n");
+		gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
+		gpio_configure_pads(dmic_disable_pads, ARRAY_SIZE(dmic_disable_pads));
+		gpio_configure_pads(bt_i2s_disable_pads, ARRAY_SIZE(bt_i2s_disable_pads));
+		return;
+	}
+
+	if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_NAU88L25B_I2S))) {
+		printk(BIOS_INFO, "Configure audio over I2S with MAX98373 NAU88L25B.\n");
+		gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
+		gpio_configure_pads(i2s_enable_pads, ARRAY_SIZE(i2s_enable_pads));
+		printk(BIOS_INFO, "Enabling BT offload\n");
+		gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
+	} else {
+		printk(BIOS_INFO, "Disabling BT offload\n");
+		gpio_configure_pads(bt_i2s_disable_pads, ARRAY_SIZE(bt_i2s_disable_pads));
+	}
+}
+BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);
diff --git a/src/mainboard/google/brya/variants/volmar/overridetree.cb b/src/mainboard/google/brya/variants/volmar/overridetree.cb
index 4f2c04a57a..80c1fd6261 100644
--- a/src/mainboard/google/brya/variants/volmar/overridetree.cb
+++ b/src/mainboard/google/brya/variants/volmar/overridetree.cb
@@ -1,6 +1,391 @@
+fw_config
+	field DB_USB 0 3
+		option USB_ABSENT		0
+		option USB3_PS8815		1
+	end
+	field KB_BL 4 4
+		option KB_BL_ABSENT		0
+		option KB_BL_PRESENT		1
+	end
+	field AUDIO 5 7
+		option AUDIO_UNKNOWN		0
+		option MAX98373_NAU88L25B_I2S	1
+	end
+end
 chip soc/intel/alderlake
+	register "SaGv" = "SaGv_Enabled"
+
+	register "TcssAuxOri" = "1"
+	register "typec_aux_bias_pads[0]" = "{.pad_auxp_dc = GPP_E22, .pad_auxn_dc = GPP_E23}"
+
+	register "usb2_ports[1]" = "USB2_PORT_EMPTY"		# Disable USB2_C1
+	register "usb2_ports[3]" = "USB2_PORT_EMPTY"		# Disable M.2 WWAN
+
+	register "usb3_ports[3]" = "USB3_PORT_EMPTY"		# Disable M.2 WWAN
+
+	# FIVR configurations are disabled since the board doesn't have V1p05 and Vnn
+	# bypass rails implemented.
+	register "ext_fivr_settings" = "{
+		.configure_ext_fivr = 1,
+	}"
+
+	# Intel Common SoC Config
+	#+-------------------+---------------------------+
+	#| Field             |  Value                    |
+	#+-------------------+---------------------------+
+	#| GSPI1             | Fingerprint MCU           |
+	#| I2C0              | Audio                     |
+	#| I2C1              | cr50 TPM. Early init is   |
+	#|                   | required to set up a BAR  |
+	#|                   | for TPM communication     |
+	#| I2C3              | TouchScreen               |
+	#| I2C5              | Trackpad                  |
+	#+-------------------+---------------------------+
+	register "common_soc_config" = "{
+		.i2c[0] = {
+			.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 650,
+			.fall_time_ns = 400,
+			.data_hold_time_ns = 50,
+		},
+		.i2c[1] = {
+			.early_init = 1,
+			.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 600,
+			.fall_time_ns = 400,
+			.data_hold_time_ns = 50,
+		},
+		.i2c[2] = {
+			.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 650,
+			.fall_time_ns = 400,
+			.data_hold_time_ns = 50,
+		},
+		.i2c[3] = {
+			.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 650,
+			.fall_time_ns = 400,
+			.data_hold_time_ns = 50,
+		},
+		.i2c[5] = {
+			.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 650,
+			.fall_time_ns = 400,
+			.data_hold_time_ns = 50,
+		},
+	}"
+
+	device domain 0 on
+		device ref dtt on
+			chip drivers/intel/dptf
+				## sensor information
+				register "options.tsr[0].desc" = ""DRAM""
+				register "options.tsr[1].desc" = ""Soc""
+				register "options.tsr[2].desc" = ""Charger""
+
+				# TODO: below values are initial reference values only
+				## Active Policy
+				register "policies.active" = "{
+					[0] = {
+						.target = DPTF_CPU,
+						.thresholds = {
+								TEMP_PCT(85, 90),
+								TEMP_PCT(75, 80),
+								TEMP_PCT(68, 70),
+								TEMP_PCT(62, 60),
+								TEMP_PCT(55, 50),
+								TEMP_PCT(50, 40),
+								TEMP_PCT(40, 30),
+						}
+					},
+					[1] = {
+						.target = DPTF_TEMP_SENSOR_1,
+						.thresholds = {
+								TEMP_PCT(60, 90),
+								TEMP_PCT(55, 80),
+								TEMP_PCT(52, 70),
+								TEMP_PCT(48, 60),
+								TEMP_PCT(44, 50),
+								TEMP_PCT(40, 40),
+								TEMP_PCT(36, 30),
+						}
+					}
+				}"
+
+				## Passive Policy
+				register "policies.passive" = "{
+					[0] = DPTF_PASSIVE(CPU,         CPU,           90, 5000),
+					[1] = DPTF_PASSIVE(CPU,         TEMP_SENSOR_0, 55, 5000),
+					[2] = DPTF_PASSIVE(CPU,         TEMP_SENSOR_1, 55, 5000),
+					[3] = DPTF_PASSIVE(CHARGER,     TEMP_SENSOR_2, 55, 5000),
+				}"
+
+				## Critical Policy
+				register "policies.critical" = "{
+					[0] = DPTF_CRITICAL(CPU,               100, SHUTDOWN),
+					[1] = DPTF_CRITICAL(TEMP_SENSOR_0,      85, SHUTDOWN),
+					[2] = DPTF_CRITICAL(TEMP_SENSOR_1,      85, SHUTDOWN),
+					[3] = DPTF_CRITICAL(TEMP_SENSOR_2,      85, SHUTDOWN),
+				}"
+
+				register "controls.power_limits" = "{
+					.pl1 = {
+							.min_power = 18000,
+							.max_power = 28000,
+							.time_window_min = 28 * MSECS_PER_SEC,
+							.time_window_max = 32 * MSECS_PER_SEC,
+							.granularity = 200,
+						},
+					.pl2 = {
+							.min_power = 40000,
+							.max_power = 40000,
+							.time_window_min = 28 * MSECS_PER_SEC,
+							.time_window_max = 32 * MSECS_PER_SEC,
+							.granularity = 1000,
+						}
+				}"
+
+				## Charger Performance Control (Control, mA)
+				register "controls.charger_perf" = "{
+					[0] = { 255, 1700 },
+					[1] = {  24, 1500 },
+					[2] = {  16, 1000 },
+					[3] = {   8,  500 }
+				}"
+
+				## Fan Performance Control (Percent, Speed, Noise, Power)
+				register "controls.fan_perf" = "{
+					[0] = {  90, 6700, 220, 2200, },
+					[1] = {  80, 5800, 180, 1800, },
+					[2] = {  70, 5000, 145, 1450, },
+					[3] = {  60, 4900, 115, 1150, },
+					[4] = {  50, 3838,  90,  900, },
+					[5] = {  40, 2904,  55,  550, },
+					[6] = {  30, 2337,  30,  300, },
+					[7] = {  20, 1608,  15,  150, },
+					[8] = {  10,  800,  10,  100, },
+					[9] = {   0,    0,   0,   50, }
+				}"
 
-        device domain 0 on
-        end
+				## Fan options
+				register "options.fan.fine_grained_control" = "1"
+				register "options.fan.step_size" = "2"
 
+				device generic 0 alias dptf_policy on end
+			end
+		end
+		device ref pcie4_0 on
+			# Enable CPU PCIE RP 1 using CLK 0
+			register "cpu_pcie_rp[CPU_RP(1)]" = "{
+				.clk_req = 0,
+				.clk_src = 0,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+		end
+		device ref cnvi_wifi on
+			chip drivers/wifi/generic
+				register "wake" = "GPE0_PME_B0"
+				device generic 0 on end
+			end
+		end
+		device ref i2c0 on
+			chip drivers/i2c/nau8825
+				register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPP_A23)"
+				register "jkdet_enable" = "1"
+				register "jkdet_pull_enable" = "0"
+				register "jkdet_pull_up" = "0"
+				register "jkdet_polarity" = "1"      # ActiveLow
+				register "vref_impedance" = "2"      # 125kOhm
+				register "micbias_voltage" = "6"     # 2.754
+				register "sar_threshold_num" = "4"
+				register "sar_threshold[0]" = "0x0C"
+				register "sar_threshold[1]" = "0x1C"
+				register "sar_threshold[2]" = "0x38"
+				register "sar_threshold[3]" = "0x60"
+				register "sar_hysteresis" = "1"
+				register "sar_voltage" = "6"
+				register "sar_compare_time" = "0"     # 500ns
+				register "sar_sampling_time" = "0"    # 2us
+				register "short_key_debounce" = "2"   # 100ms
+				register "jack_insert_debounce" = "7" # 512ms
+				register "jack_eject_debounce" = "7"  # 512ms
+				device i2c 1a on
+					probe AUDIO MAX98373_NAU88L25B_I2S
+				end
+			end
+			chip drivers/i2c/max98373
+				register "vmon_slot_no" = "0"
+				register "imon_slot_no" = "1"
+				register "uid" = "0"
+				register "desc" = ""Right Speaker Amp""
+				register "name" = ""MAXR""
+				device i2c 31 on
+					probe AUDIO MAX98373_NAU88L25B_I2S
+				end
+			end
+			chip drivers/i2c/max98373
+				register "vmon_slot_no" = "2"
+				register "imon_slot_no" = "3"
+				register "uid" = "1"
+				register "desc" = ""Left Speaker Amp""
+				register "name" = ""MAXL""
+				device i2c 32 on
+					probe AUDIO MAX98373_NAU88L25B_I2S
+				end
+			end
+		end #I2C0
+		device ref i2c1 on
+			chip drivers/i2c/tpm
+				register "hid" = ""GOOG0005""
+				register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_A13_IRQ)"
+				device i2c 50 on end
+			end
+		end
+		device ref i2c3 on
+			chip drivers/i2c/hid
+				register "generic.hid" = ""ELAN90FC""
+				register "generic.desc" = ""ELAN Touchscreen""
+				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
+				register "generic.probed" = "1"
+				register "generic.reset_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
+				register "generic.reset_delay_ms" = "20"
+				register "generic.reset_off_delay_ms" = "1"
+				register "generic.enable_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
+				register "generic.enable_delay_ms" = "6"
+				register "generic.stop_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
+				register "generic.stop_off_delay_ms" = "1"
+				register "generic.has_power_resource" = "1"
+				register "generic.disable_gpio_export_in_crs" = "1"
+				register "hid_desc_reg_offset" = "0x01"
+				device i2c 0x10 on end
+			end
+		end
+		device ref i2c5 on
+			chip drivers/i2c/generic
+				register "hid" = ""ELAN0000""
+				register "desc" = ""ELAN Touchpad""
+				register "irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_F14_IRQ)"
+				register "wake" = "GPE0_DW2_14"
+				register "probed" = "1"
+				device i2c 15 on end
+			end
+			chip drivers/i2c/hid
+				register "generic.hid" = ""PNP0C50""
+				register "generic.desc" = ""Synaptics Touchpad""
+				register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_F14_IRQ)"
+				register "generic.wake" = "GPE0_DW2_14"
+				register "generic.probed" = "1"
+				register "hid_desc_reg_offset" = "0x20"
+				device i2c 0x2c on end
+			end
+		end
+		device ref pcie_rp3 on
+			# Enable PCIe-to-eMMC bridge PCIE 3 using clk 4
+			register "pch_pcie_rp[PCH_RP(3)]" = "{
+				.clk_src = 4,
+				.clk_req = 4,
+				.flags = PCIE_RP_LTR | PCIE_RP_AER,
+			}"
+		end	#PCIE3 BH799BB
+		device ref pcie_rp6 off end	# PCIE6 WWAN
+		device ref pcie_rp8 off end	# PCIE8 SD card
+		device ref pcie_rp9 off end	# PCIE9-12 SSD
+		device ref gspi1 on
+			chip drivers/spi/acpi
+				register "name" = ""CRFP""
+				register "hid" = "ACPI_DT_NAMESPACE_HID"
+				register "uid" = "1"
+				register "compat_string" = ""google,cros-ec-spi""
+				register "irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_F15_IRQ)"
+				register "wake" = "GPE0_DW2_15"
+				device spi 0 on end
+			end # FPMCU
+		end
+		device ref pch_espi on
+			chip ec/google/chromeec
+				use conn0 as mux_conn[0]
+				use conn1 as mux_conn[1]
+				device pnp 0c09.0 on end
+			end
+		end
+		device ref pmc hidden
+			chip drivers/intel/pmc_mux
+				device generic 0 on
+					chip drivers/intel/pmc_mux/conn
+						use usb2_port1 as usb2_port
+						use tcss_usb3_port1 as usb3_port
+						device generic 0 alias conn0 on end
+					end
+					chip drivers/intel/pmc_mux/conn
+						use usb2_port3 as usb2_port
+						use tcss_usb3_port3 as usb3_port
+						device generic 1 alias conn1 on end
+					end
+				end
+			end
+		end
+		device ref tcss_xhci on
+			chip drivers/usb/acpi
+				device ref tcss_root_hub on
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-C Port C0 (MLB)""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						register "group" = "ACPI_PLD_GROUP(1, 1)"
+						device ref tcss_usb3_port1 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-C Port C1 (DB)""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						register "group" = "ACPI_PLD_GROUP(3, 1)"
+						device ref tcss_usb3_port3 on end
+					end
+				end
+			end
+		end
+		device ref xhci on
+			chip drivers/usb/acpi
+				device ref xhci_root_hub on
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-C Port C0 (MLB)""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						register "group" = "ACPI_PLD_GROUP(1, 1)"
+						device ref usb2_port1 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-C Port C1 (DB)""
+						register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
+						register "group" = "ACPI_PLD_GROUP(3, 1)"
+						device ref usb2_port3 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Camera""
+						register "type" = "UPC_TYPE_INTERNAL"
+						device ref usb2_port6 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Type-A Port A0 (DB)""
+						register "type" = "UPC_TYPE_A"
+						register "group" = "ACPI_PLD_GROUP(1, 2)"
+						device ref usb2_port9 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB2 Bluetooth""
+						register "type" = "UPC_TYPE_INTERNAL"
+						register "reset_gpio" =
+							"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D4)"
+						device ref usb2_port10 on end
+					end
+					chip drivers/usb/acpi
+						register "desc" = ""USB3 Type-A Port A0 (DB)""
+						register "type" = "UPC_TYPE_USB3_A"
+						register "group" = "ACPI_PLD_GROUP(1, 2)"
+						device ref usb3_port1 on end
+					end
+				end
+			end
+		end
+	end
 end
diff --git a/src/mainboard/google/brya/variants/volmar/variant.c b/src/mainboard/google/brya/variants/volmar/variant.c
new file mode 100644
index 0000000000..fef03f2b3e
--- /dev/null
+++ b/src/mainboard/google/brya/variants/volmar/variant.c
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <chip.h>
+#include <fw_config.h>
+#include <baseboard/variants.h>
+
+void variant_update_soc_chip_config(struct soc_intel_alderlake_config *config)
+{
+	config->CnviBtAudioOffload = fw_config_probe(FW_CONFIG(AUDIO, MAX98373_NAU88L25B_I2S));
+}