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Diffstat (limited to 'src/mainboard/google/hatch/variants/jinlon/gpio.c')
-rw-r--r--src/mainboard/google/hatch/variants/jinlon/gpio.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/jinlon/gpio.c b/src/mainboard/google/hatch/variants/jinlon/gpio.c
index 12d96d8496..2bf97b1046 100644
--- a/src/mainboard/google/hatch/variants/jinlon/gpio.c
+++ b/src/mainboard/google/hatch/variants/jinlon/gpio.c
@@ -110,3 +110,32 @@ const struct pad_config *variant_early_gpio_table(size_t *num)
*num = ARRAY_SIZE(early_gpio_table);
return early_gpio_table;
}
+
+/*
+ * Default GPIO settings before entering non-S5 sleep states.
+ * Configure A12: FPMCU_RST_ODL as GPO before entering sleep.
+ * This guarantees that A12's native3 function is disabled.
+ * See commit c41b0e8ea3b2714bf6d6d88a6b66c333c6919f07.
+ */
+static const struct pad_config default_sleep_gpio_table[] = {
+ PAD_CFG_GPO(GPP_A12, 1, DEEP), /* FPMCU_RST_ODL */
+};
+
+/*
+ * GPIO settings before entering S5, which are same as default_sleep_gpio_table
+ * but also, turn off FPMCU.
+ */
+static const struct pad_config s5_sleep_gpio_table[] = {
+ PAD_CFG_GPO(GPP_A12, 0, DEEP), /* FPMCU_RST_ODL */
+ PAD_CFG_GPO(GPP_C11, 0, DEEP), /* PCH_FP_PWR_EN */
+};
+
+const struct pad_config *variant_sleep_gpio_table(u8 slp_typ, size_t *num)
+{
+ if (slp_typ == ACPI_S5) {
+ *num = ARRAY_SIZE(s5_sleep_gpio_table);
+ return s5_sleep_gpio_table;
+ }
+ *num = ARRAY_SIZE(default_sleep_gpio_table);
+ return default_sleep_gpio_table;
+}