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-rw-r--r--src/mainboard/google/dedede/variants/waddledee/Makefile.inc1
-rw-r--r--src/mainboard/google/dedede/variants/waddledee/gpio.c16
-rw-r--r--src/mainboard/google/dedede/variants/waddledee/overridetree.cb14
3 files changed, 31 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/waddledee/Makefile.inc b/src/mainboard/google/dedede/variants/waddledee/Makefile.inc
index eda535c992..93f34f81e0 100644
--- a/src/mainboard/google/dedede/variants/waddledee/Makefile.inc
+++ b/src/mainboard/google/dedede/variants/waddledee/Makefile.inc
@@ -2,4 +2,5 @@
romstage-y += memory.c
+ramstage-y += gpio.c
ramstage-y += variant.c
diff --git a/src/mainboard/google/dedede/variants/waddledee/gpio.c b/src/mainboard/google/dedede/variants/waddledee/gpio.c
new file mode 100644
index 0000000000..0905e8f217
--- /dev/null
+++ b/src/mainboard/google/dedede/variants/waddledee/gpio.c
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+
+/* Pad configuration in ramstage*/
+static const struct pad_config gpio_table[] = {
+ /* E5 : AP_SUB_IO_2 */
+ PAD_CFG_GPO(GPP_E5, 0, PLTRST),
+};
+
+const struct pad_config *variant_override_gpio_table(size_t *num)
+{
+ *num = ARRAY_SIZE(gpio_table);
+ return gpio_table;
+}
diff --git a/src/mainboard/google/dedede/variants/waddledee/overridetree.cb b/src/mainboard/google/dedede/variants/waddledee/overridetree.cb
index 22a08a060e..b67b8702c6 100644
--- a/src/mainboard/google/dedede/variants/waddledee/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/waddledee/overridetree.cb
@@ -119,6 +119,20 @@ chip soc/intel/jasperlake
device i2c 0x5d on end
end
end # I2C 2
+ device pci 15.3 on
+ chip drivers/i2c/gpiomux/mux
+ register "mux_gpio_count" = "1"
+ register "mux_gpio[0]" = "ACPI_GPIO_OUTPUT(GPP_E5)"
+ device generic 0 on
+ chip drivers/i2c/gpiomux/bus
+ device generic 0 on end # I2C Mux Bus 0
+ end
+ chip drivers/i2c/gpiomux/bus
+ device generic 1 on end # I2C Mux Bus 1
+ end
+ end # I2C MUX
+ end
+ end # I2C 3
device pci 19.0 on
chip drivers/i2c/generic
register "hid" = ""10EC5682""