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-rw-r--r--src/mainboard/google/brya/Kconfig3
-rw-r--r--src/mainboard/google/brya/variants/brya0/Makefile.inc1
-rw-r--r--src/mainboard/google/brya/variants/brya0/fw_config.c82
-rw-r--r--src/mainboard/google/brya/variants/brya0/overridetree.cb29
4 files changed, 113 insertions, 2 deletions
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 3acb07ebfc..20999d6a15 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -7,6 +7,9 @@ config BOARD_GOOGLE_BASEBOARD_BRYA
select DRIVERS_I2C_SX9324
select DRIVERS_INTEL_DPTF
select DRIVERS_INTEL_PMC
+ select DRIVERS_INTEL_SOUNDWIRE
+ select DRIVERS_SOUNDWIRE_ALC5682
+ select DRIVERS_SOUNDWIRE_MAX98373
select DRIVERS_SPI_ACPI
select DRIVERS_WIFI_GENERIC
select EC_GOOGLE_CHROMEEC
diff --git a/src/mainboard/google/brya/variants/brya0/Makefile.inc b/src/mainboard/google/brya/variants/brya0/Makefile.inc
new file mode 100644
index 0000000000..158c217c75
--- /dev/null
+++ b/src/mainboard/google/brya/variants/brya0/Makefile.inc
@@ -0,0 +1 @@
+ramstage-$(CONFIG_FW_CONFIG) += fw_config.c
diff --git a/src/mainboard/google/brya/variants/brya0/fw_config.c b/src/mainboard/google/brya/variants/brya0/fw_config.c
new file mode 100644
index 0000000000..66539afa37
--- /dev/null
+++ b/src/mainboard/google/brya/variants/brya0/fw_config.c
@@ -0,0 +1,82 @@
+/* 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_S2, NONE, DEEP, NF2), /* DMIC_CLK0_R */
+ PAD_CFG_NF(GPP_S3, NONE, DEEP, NF2), /* DMIC_DATA0_R */
+ PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2), /* DMIC_CLK1_R */
+ PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2), /* DMIC_DATA1_R */
+};
+
+static const struct pad_config dmic_disable_pads[] = {
+ PAD_NC(GPP_S2, NONE),
+ PAD_NC(GPP_S3, NONE),
+ PAD_NC(GPP_S6, NONE),
+ PAD_NC(GPP_S7, NONE),
+};
+
+static const struct pad_config sndw_enable_pads[] = {
+ PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1), /* SDW_HP_CLK_R */
+ PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1), /* SDW_HP_DATA_R */
+ PAD_CFG_NF(GPP_S4, NONE, DEEP, NF1), /* SDW_SPKR_CLK */
+ PAD_CFG_NF(GPP_S5, NONE, DEEP, NF1), /* SDW_SPKR_DATA */
+};
+
+static const struct pad_config sndw_disable_pads[] = {
+ PAD_NC(GPP_S0, NONE),
+ PAD_NC(GPP_S1, NONE),
+ PAD_NC(GPP_S4, NONE),
+ PAD_NC(GPP_S5, 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_R4, NONE, DEEP, NF2), /* I2S_SPKR_SCLK_R */
+ PAD_CFG_NF(GPP_R5, NONE, DEEP, NF2), /* I2S_SPKR_SFRM_R */
+ PAD_CFG_NF(GPP_R6, NONE, DEEP, NF2), /* I2S_PCH_TX_SPKR_RX_R */
+ PAD_CFG_NF(GPP_R7, NONE, DEEP, NF2), /* 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_R4, NONE),
+ PAD_NC(GPP_R5, NONE),
+ PAD_NC(GPP_R6, NONE),
+ PAD_NC(GPP_R7, 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(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
+ return;
+ }
+
+ if (fw_config_probe(FW_CONFIG(AUDIO, MAX98373_ALC5682_SNDW))) {
+ printk(BIOS_INFO, "Configure audio over SoundWire with MAX98373 ALC5682.\n");
+ gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
+ gpio_configure_pads(sndw_enable_pads, ARRAY_SIZE(sndw_enable_pads));
+ gpio_configure_pads(i2s_disable_pads, ARRAY_SIZE(i2s_disable_pads));
+ }
+
+ if (fw_config_probe(FW_CONFIG(AUDIO, MAX98357_ALC5682I_I2S))) {
+ printk(BIOS_INFO, "Configure audio over I2S with MAX98357 ALC5682I.\n");
+ gpio_configure_pads(dmic_enable_pads, ARRAY_SIZE(dmic_enable_pads));
+ gpio_configure_pads(i2s_enable_pads, ARRAY_SIZE(i2s_enable_pads));
+ gpio_configure_pads(sndw_disable_pads, ARRAY_SIZE(sndw_disable_pads));
+ }
+}
+BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, fw_config_handle, NULL);
diff --git a/src/mainboard/google/brya/variants/brya0/overridetree.cb b/src/mainboard/google/brya/variants/brya0/overridetree.cb
index 6354c0d582..2494fde46c 100644
--- a/src/mainboard/google/brya/variants/brya0/overridetree.cb
+++ b/src/mainboard/google/brya/variants/brya0/overridetree.cb
@@ -157,7 +157,9 @@ chip soc/intel/alderlake
register "property_list[0].type" = "ACPI_DP_TYPE_INTEGER"
register "property_list[0].name" = ""realtek,jd-src""
register "property_list[0].integer" = "1"
- device i2c 1a on end
+ device i2c 1a on
+ probe AUDIO MAX98357_ALC5682I_I2S
+ end
end
chip drivers/intel/mipi_camera
register "acpi_hid" = ""OVTI8856""
@@ -401,7 +403,30 @@ chip soc/intel/alderlake
register "sdmode_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A11)"
register "sdmode_delay" = "5"
- device generic 0 on end
+ device generic 0 on
+ probe AUDIO MAX98357_ALC5682I_I2S
+ end
+ end
+
+ chip drivers/intel/soundwire
+ device generic 0 on
+ probe AUDIO MAX98373_ALC5682_SNDW
+ chip drivers/soundwire/alc5682
+ # SoundWire Link 0 ID 1
+ register "desc" = ""Headset Codec""
+ device generic 0.1 on end
+ end
+ chip drivers/soundwire/max98373
+ # SoundWire Link 2 ID 3
+ register "desc" = ""Left Speaker Amp""
+ device generic 2.3 on end
+ end
+ chip drivers/soundwire/max98373
+ # SoundWire Link 2 ID 7
+ register "desc" = ""Right Speaker Amp""
+ device generic 2.7 on end
+ end
+ end
end
end
device ref gspi1 on