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-rw-r--r--src/mainboard/google/volteer/variants/copano/Makefile.inc2
-rw-r--r--src/mainboard/google/volteer/variants/copano/overridetree.cb12
-rw-r--r--src/mainboard/google/volteer/variants/copano/variant.c22
3 files changed, 33 insertions, 3 deletions
diff --git a/src/mainboard/google/volteer/variants/copano/Makefile.inc b/src/mainboard/google/volteer/variants/copano/Makefile.inc
index 343c7dbb95..2af91aab63 100644
--- a/src/mainboard/google/volteer/variants/copano/Makefile.inc
+++ b/src/mainboard/google/volteer/variants/copano/Makefile.inc
@@ -5,3 +5,5 @@ romstage-y += memory.c
bootblock-y += gpio.c
ramstage-y += gpio.c
+
+ramstage-y += variant.c
diff --git a/src/mainboard/google/volteer/variants/copano/overridetree.cb b/src/mainboard/google/volteer/variants/copano/overridetree.cb
index 7ffa7ab3c4..150db08367 100644
--- a/src/mainboard/google/volteer/variants/copano/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/copano/overridetree.cb
@@ -1,3 +1,10 @@
+fw_config
+ field AUDIO_CODEC_SOURCE 41 43
+ option AUDIO_CODEC_UNPROVISIONED 0
+ option AUDIO_CODEC_ALC5682 1
+ option AUDIO_CODEC_ALC5682I_VS 2
+ end
+end
chip soc/intel/tigerlake
# BitMask where bits [3:0] are Controller 0 Channel [3:0] and
# bits [7:4] are Controller 1 Channel [3:0].
@@ -117,7 +124,7 @@ chip soc/intel/tigerlake
device ref i2c0 on
chip drivers/i2c/generic
- register "hid" = ""10EC5682""
+ # register "hid" is set in variant.c because of FW_CONFIG
register "name" = ""RT58""
register "desc" = ""Headset Codec""
register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_BOTH(GPP_R5)"
@@ -126,8 +133,7 @@ chip soc/intel/tigerlake
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 alias audio_codec on end
end
chip drivers/i2c/max98373
register "vmon_slot_no" = "0"
diff --git a/src/mainboard/google/volteer/variants/copano/variant.c b/src/mainboard/google/volteer/variants/copano/variant.c
new file mode 100644
index 0000000000..3effcdf4d8
--- /dev/null
+++ b/src/mainboard/google/volteer/variants/copano/variant.c
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/variants.h>
+#include <fw_config.h>
+#include <drivers/i2c/hid/chip.h>
+#include <device/device.h>
+
+static void audio_codec_update(void)
+{
+ struct device *codec = DEV_PTR(audio_codec);
+ struct drivers_i2c_generic_config *config;
+
+ config = codec->chip_info;
+ if (fw_config_probe(FW_CONFIG(AUDIO_CODEC_SOURCE, AUDIO_CODEC_ALC5682)))
+ config->hid = "10EC5682";
+ else
+ config->hid = "RTL5682";
+}
+void variant_devtree_update(void)
+{
+ audio_codec_update();
+}