[coreboot-gerrit] Change in coreboot[master]: mb/google/brya/var/banshee: Add mic mute switch setting

[Frank Wu (Code Review)]

Frank Wu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/62804 )

Change subject: mb/google/brya/var/banshee: Add mic mute switch setting
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mb/google/brya/var/banshee: Add mic mute switch setting

Using the GPP_F22 as mic mute switch in banshee.

BUG=b:223737606, b:216110896
BRANCH=firmware-brya-14505.B
TEST=emerge-brya coreboot chromeos-bootimage

Signed-off-by: Frank Wu 
Change-Id: I6f7176afbd64f7c080f02369f195043a2df88e5d
---
M src/mainboard/google/brya/variants/banshee/gpio.c
M src/mainboard/google/brya/variants/banshee/overridetree.cb
2 files changed, 13 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/62804/1

diff --git a/src/mainboard/google/brya/variants/banshee/gpio.c b/src/mainboard/google/brya/variants/banshee/gpio.c
index 9bf6518..7af92e7 100644
--- a/src/mainboard/google/brya/variants/banshee/gpio.c
+++ b/src/mainboard/google/brya/variants/banshee/gpio.c
@@ -186,7 +186,8 @@
    PAD_NC(GPP_F20, NONE),
    /* F21 : EXT_PWR_GATE2# ==> NC */
    PAD_NC(GPP_F21, NONE),
-	/* F22 : NC */
+	/* F22 : NC ==> MIC_SW */
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_F22, NONE, DEEP),
    /* F23 : NC */

/* H0  : GPPH0_BOOT_STRAP1 */
diff --git a/src/mainboard/google/brya/variants/banshee/overridetree.cb b/src/mainboard/google/brya/variants/banshee/overridetree.cb
index 08550d2..033de61 100644
--- a/src/mainboard/google/brya/variants/banshee/overridetree.cb
+++ b/src/mainboard/google/brya/variants/banshee/overridetree.cb
@@ -194,6 +194,17 @@
    			register "property_list[0].integer" = "1"
    			device i2c 1a on end
    		end
+			chip drivers/generic/gpio_keys
+				register "name" = ""MUTE""
+				register "label" = ""mic_mute_switch""
+				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_F22)"
+				register "key.wakeup_route" = "WAKEUP_ROUTE_DISABLED"
+				register "key.dev_name" = ""MMSW""
+				register "key.linux_code" = "SW_MUTE_DEVICE"
+				register "key.linux_input_type" = "EV_SW"
+				register "key.label" = ""mic_mute_switch_key""
+				device generic 0 on end
+			end
    	end #I2C0
    	device ref i2c1 on
    		chip drivers/i2c/tpm