mb/google/brya/var/skolas: add nau8318 speaker support

Add variant of NAU8318(SPK) + NAU88L25B(Headphone) audio support
on brya and skolas board.
In fw_config settings, reuse max98360_enable_pads[] due to
identical i2s configurations as nau8318.
In addition, separated GPP_R7 as SPK_BEEP_EN pin.

BUG=b:236561637
TEST=emerge-brya coreboot
BRANCH=none

Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Suggested-by: David Lin <CTLIN0@nuvoton.com>
Signed-off-by: AlanKY Lee <alanky_lee@compal.corp-partner.google.com>

Change-Id: Ife47a83fca902cf63e09d11206e9d99fac0dc9a1
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76925
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

src/mainboard/google/brya/Kconfig.name

@@ -59,6 +59,7 @@ config BOARD_GOOGLE_BRYA0
 	select SOC_INTEL_COMMON_BLOCK_IPU
 	select SOC_INTEL_CRASHLOG
 	select SOC_INTEL_RAPTORLAKE
+	select DRIVERS_GENERIC_NAU8315
 
 config BOARD_GOOGLE_CRAASK
 	bool "->  Craask"
@@ -320,6 +321,7 @@ config BOARD_GOOGLE_SKOLAS
 	select INTEL_GMA_HAVE_VBT
 	select SOC_INTEL_COMMON_BLOCK_IPU
 	select SOC_INTEL_RAPTORLAKE
+	select DRIVERS_GENERIC_NAU8315
 
 config BOARD_GOOGLE_SKOLAS4ES
 	bool "->  Skolas4ES"

src/mainboard/google/brya/variants/brya0/fw_config.c

@@ -39,6 +39,10 @@ static const struct pad_config max98360_enable_pads[] = {
 	PAD_NC(GPP_R7, NONE),
 };
 
+static const struct pad_config nau8318_enable_pads[] = {
+	PAD_CFG_GPO(GPP_R7, 0, DEEP),           /* SPK_BEEP_EN */
+};
+
 static const struct pad_config sndw_disable_pads[] = {
 	PAD_NC(GPP_S0, NONE),
 	PAD_NC(GPP_S1, NONE),
@@ -140,12 +144,16 @@ static void fw_config_handle(void *unused)
 		enable_i2s();
 	}
 
-	if (fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S))) {
+	if (fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S)) ||
+			fw_config_probe(FW_CONFIG(AUDIO, NAU8318_NAU88L25B_I2S))) {
 		printk(BIOS_INFO, "Configure audio over I2S with MAX98360 ALC5682I.\n");
 		gpio_configure_pads(max98360_enable_pads, ARRAY_SIZE(max98360_enable_pads));
 		printk(BIOS_INFO, "BT offload enabled\n");
 		gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
 		gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
+
+		if (fw_config_probe(FW_CONFIG(AUDIO, NAU8318_NAU88L25B_I2S)))
+			gpio_configure_pads(nau8318_enable_pads, ARRAY_SIZE(nau8318_enable_pads));
 	}
 }
 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);

src/mainboard/google/brya/variants/brya0/overridetree.cb

@@ -18,6 +18,8 @@ fw_config
 		option MAX98373_NAU88L25B_I2S		3
 		option ALC1019_NAU88L25B_I2S		4
 		option MAX98360_ALC5682I_I2S		5
+		option NAU8318_NAU88L25B_I2S		6
+
 	end
 	field DB_LTE 11 12
 		option LTE_ABSENT		0
@@ -521,6 +523,7 @@ chip soc/intel/alderlake
 				register "jack_eject_debounce" = "7"	# 512ms
 				device i2c 1a on
 					probe AUDIO ALC1019_NAU88L25B_I2S
+					probe AUDIO NAU8318_NAU88L25B_I2S
 				end
 			end
 			chip drivers/generic/alc1015
@@ -966,6 +969,14 @@ chip soc/intel/alderlake
 					end
 				end
 			end
+
+			chip drivers/generic/nau8315
+				register "hid" = "NAU8318"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A11)"
+				device generic 0 on
+					probe AUDIO NAU8318_NAU88L25B_I2S
+				end
+			end
 		end
 		device ref gspi1 on
 			chip drivers/spi/acpi

src/mainboard/google/brya/variants/skolas/fw_config.c

@@ -39,6 +39,10 @@ static const struct pad_config max98360_enable_pads[] = {
 	PAD_NC(GPP_R7, NONE),
 };
 
+static const struct pad_config nau8318_enable_pads[] = {
+	PAD_CFG_GPO(GPP_R7, 0, DEEP),           /* SPK_BEEP_EN */
+};
+
 static const struct pad_config sndw_disable_pads[] = {
 	PAD_NC(GPP_S0, NONE),
 	PAD_NC(GPP_S1, NONE),
@@ -140,12 +144,16 @@ static void fw_config_handle(void *unused)
 		enable_i2s();
 	}
 
-	if (fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S))) {
+	if (fw_config_probe(FW_CONFIG(AUDIO, MAX98360_ALC5682I_I2S)) ||
+			fw_config_probe(FW_CONFIG(AUDIO, NAU8318_NAU88L25B_I2S))) {
 		printk(BIOS_INFO, "Configure audio over I2S with MAX98360 ALC5682I.\n");
 		gpio_configure_pads(max98360_enable_pads, ARRAY_SIZE(max98360_enable_pads));
 		printk(BIOS_INFO, "BT offload enabled\n");
 		gpio_configure_pads(i2s0_enable_pads, ARRAY_SIZE(i2s0_enable_pads));
 		gpio_configure_pads(bt_i2s_enable_pads, ARRAY_SIZE(bt_i2s_enable_pads));
+
+		if (fw_config_probe(FW_CONFIG(AUDIO, NAU8318_NAU88L25B_I2S)))
+			gpio_configure_pads(nau8318_enable_pads, ARRAY_SIZE(nau8318_enable_pads));
 	}
 }
 BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);

src/mainboard/google/brya/variants/skolas/overridetree.cb

@@ -18,6 +18,7 @@ fw_config
 		option MAX98373_NAU88L25B_I2S		3
 		option ALC1019_NAU88L25B_I2S		4
 		option MAX98360_ALC5682I_I2S		5
+		option NAU8318_NAU88L25B_I2S		6
 	end
 	field DB_LTE 11 12
 		option LTE_ABSENT		0
@@ -521,6 +522,7 @@ chip soc/intel/alderlake
 				register "jack_eject_debounce" = "7"	# 512ms
 				device i2c 1a on
 					probe AUDIO ALC1019_NAU88L25B_I2S
+					probe AUDIO NAU8318_NAU88L25B_I2S
 				end
 			end
 			chip drivers/generic/alc1015
@@ -966,6 +968,14 @@ chip soc/intel/alderlake
 					end
 				end
 			end
+
+			chip drivers/generic/nau8315
+				register "hid" = "NAU8318"
+				register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A11)"
+				device generic 0 on
+					probe AUDIO NAU8318_NAU88L25B_I2S
+				end
+			end
 		end
 		device ref gspi1 on
 			chip drivers/spi/acpi