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Diffstat (limited to 'src/mainboard/google/volteer/variants/volet/gpio.c')
-rw-r--r--src/mainboard/google/volteer/variants/volet/gpio.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mainboard/google/volteer/variants/volet/gpio.c b/src/mainboard/google/volteer/variants/volet/gpio.c
index b298c4aaed..4f755bb9b5 100644
--- a/src/mainboard/google/volteer/variants/volet/gpio.c
+++ b/src/mainboard/google/volteer/variants/volet/gpio.c
@@ -291,3 +291,18 @@ const struct pad_config *variant_sleep_gpio_table(u8 slp_typ, size_t *num)
*num = 0;
return NULL;
}
+
+/* GPIOs needed to be set in romstage. */
+static const struct pad_config romstage_gpio_table[] = {
+ /* Enable touchscreen, hold in reset */
+ /* A8 : I2S2_SFRM ==> EN_PP3300_TOUCHSCREEN */
+ PAD_CFG_GPO(GPP_A8, 1, DEEP),
+ /* C10 : UART0_RTS# ==> USI_RST_L */
+ PAD_CFG_GPO(GPP_C10, 0, DEEP),
+};
+
+const struct pad_config *variant_romstage_gpio_table(size_t *num)
+{
+ *num = ARRAY_SIZE(romstage_gpio_table);
+ return romstage_gpio_table;
+}