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-rw-r--r--src/soc/intel/apollolake/gpio.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/gpio.c b/src/soc/intel/apollolake/gpio.c
index 06db8c965a..d0ef6482da 100644
--- a/src/soc/intel/apollolake/gpio.c
+++ b/src/soc/intel/apollolake/gpio.c
@@ -114,3 +114,21 @@ void gpio_set(gpio_t gpio_num, int value)
reg |= !!value & PAD_CFG0_TX_STATE;
iosf_write(comm->port, config_offset, reg);
}
+
+const char *gpio_acpi_path(gpio_t gpio_num)
+{
+ const struct pad_community *comm = gpio_get_community(gpio_num);
+
+ switch (comm->port) {
+ case GPIO_NORTH:
+ return "\\_SB.GPO0";
+ case GPIO_NORTHWEST:
+ return "\\_SB.GPO1";
+ case GPIO_WEST:
+ return "\\_SB.GPO2";
+ case GPIO_SOUTHWEST:
+ return "\\_SB.GPO3";
+ }
+
+ return NULL;
+}