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-rw-r--r--src/mainboard/google/guybrush/chromeos.c1
-rw-r--r--src/mainboard/google/guybrush/variants/baseboard/gpio.c2
-rw-r--r--src/mainboard/google/guybrush/variants/baseboard/include/baseboard/gpio.h2
3 files changed, 4 insertions, 1 deletions
diff --git a/src/mainboard/google/guybrush/chromeos.c b/src/mainboard/google/guybrush/chromeos.c
index d2ef97ef9134..f12995762f2a 100644
--- a/src/mainboard/google/guybrush/chromeos.c
+++ b/src/mainboard/google/guybrush/chromeos.c
@@ -10,6 +10,7 @@ void fill_lb_gpios(struct lb_gpios *gpios)
struct lb_gpio chromeos_gpios[] = {
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
+ {GPIO_EC_IN_RW, ACTIVE_HIGH, gpio_get(GPIO_EC_IN_RW), "EC in RW"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
diff --git a/src/mainboard/google/guybrush/variants/baseboard/gpio.c b/src/mainboard/google/guybrush/variants/baseboard/gpio.c
index c73ec188fc28..8505f12037eb 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/gpio.c
+++ b/src/mainboard/google/guybrush/variants/baseboard/gpio.c
@@ -105,7 +105,7 @@ static const struct soc_amd_gpio base_gpio_table[] = {
PAD_GPI(GPIO_89, PULL_NONE),
/* HP_INT_ODL */
PAD_GPI(GPIO_90, PULL_NONE),
- /* SD_EX_PRSNT_L */
+ /* SD_EX_PRSNT_L(Guybrush BoardID 1 only) / EC_IN_RW_OD */
PAD_GPI(GPIO_91, PULL_NONE),
/* CLK_REQ0_L */
PAD_NF(GPIO_92, CLK_REQ0_L, PULL_NONE),
diff --git a/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/gpio.h b/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/gpio.h
index be0fb72ffd2f..90f4420a5936 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/gpio.h
+++ b/src/mainboard/google/guybrush/variants/baseboard/include/baseboard/gpio.h
@@ -7,5 +7,7 @@
/* SPI Write protect */
#define CROS_WP_GPIO GPIO_67
+/* GPIO to identify whether EC is in RO or RW */
+#define GPIO_EC_IN_RW GPIO_91
#endif /* __BASEBOARD_GPIO_H__ */