Alec Wang has uploaded this change for review.

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mb/google/dedede: add PEN for Boten

Add PEN to devicetree for boten

BUG=b:160752604
BRANCH=NONE
TEST=build bios and verify function for boten

Signed-off-by: alec.wang <alec.wang@lcfc.corp-partner.google.com>
Change-Id: Ifbcac18fcf758f3d870a6af0d1b03e34369414c0
---
M src/mainboard/google/dedede/Kconfig
M src/mainboard/google/dedede/variants/boten/gpio.c
M src/mainboard/google/dedede/variants/boten/overridetree.cb
3 files changed, 28 insertions(+), 5 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/07/45807/1

diff --git a/src/mainboard/google/dedede/Kconfig b/src/mainboard/google/dedede/Kconfig
index bd7d36e..fbc669f 100644
--- a/src/mainboard/google/dedede/Kconfig
+++ b/src/mainboard/google/dedede/Kconfig
@@ -2,6 +2,7 @@
 	def_bool n
 	select BOARD_ROMSIZE_KB_16384 if !BOARD_ROMSIZE_KB_32768
 	select DPTF_USE_EISA_HID
+	select DRIVERS_GENERIC_GPIO_KEYS
 	select DRIVERS_I2C_GENERIC
 	select DRIVERS_I2C_HID
 	select DRIVERS_INTEL_DPTF
diff --git a/src/mainboard/google/dedede/variants/boten/gpio.c b/src/mainboard/google/dedede/variants/boten/gpio.c
index 05a567f..f889c7f 100644
--- a/src/mainboard/google/dedede/variants/boten/gpio.c
+++ b/src/mainboard/google/dedede/variants/boten/gpio.c
@@ -7,6 +7,8 @@
 
 /* Pad configuration in ramstage*/
 static const struct pad_config gpio_table[] = {
+	/* C12 : AP_PEN_DET_ODL */
+	PAD_CFG_GPI_SCI(GPP_C12, NONE, DEEP, EDGE_SINGLE, NONE),
 	/* C18 : AP_I2C_EMR_SDA */
 	PAD_NC(GPP_C18, NONE),
 	/* C19 : AP_I2C_EMR_SCL */
diff --git a/src/mainboard/google/dedede/variants/boten/overridetree.cb b/src/mainboard/google/dedede/variants/boten/overridetree.cb
index 61dff93..b1fcbe6 100644
--- a/src/mainboard/google/dedede/variants/boten/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/boten/overridetree.cb
@@ -9,9 +9,8 @@
 	#|                   | for TPM communication     |
 	#|                   | before memory is up       |
 	#| I2C0              | Trackpad                  |
-	#| I2C1              | Digitizer                 |
+	#| I2C1              | Stylus                 |
 	#| I2C2              | Touchscreen               |
-	#| I2C3              | Camera                    |
 	#| I2C4              | Audio                     |
 	#+-------------------+---------------------------+
 	register "common_soc_config" = "{
@@ -28,14 +27,35 @@
 		.i2c[2] = {
 			.speed = I2C_SPEED_FAST,
 		},
-		.i2c[3] = {
-			.speed = I2C_SPEED_FAST,
-		},
 		.i2c[4] = {
 			.speed = I2C_SPEED_FAST,
 		},
 	}"
+
+	register "SerialIoI2cMode" = "{
+		[PchSerialIoIndexI2C0]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C1]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C2]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C3]  = PchSerialIoDisabled,
+		[PchSerialIoIndexI2C4]  = PchSerialIoPci,
+		[PchSerialIoIndexI2C5]  = PchSerialIoPci,
+	}"
+
 	device domain 0 on
+		device pci 15.1 on
+			chip drivers/generic/gpio_keys
+				register "name" = ""PENH""
+				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_C12)"
+				register "key.wake_gpe" = "GPE0_DW2_12"
+				register "key.wakeup_route" = "WAKEUP_ROUTE_SCI"
+				register "key.wakeup_event_action" = "EV_ACT_DEASSERTED"
+				register "key.dev_name" = ""EJCT""
+				register "key.linux_code" = "SW_PEN_INSERTED"
+				register "key.linux_input_type" = "EV_SW"
+				register "key.label" = ""pen_eject""
+				device generic 0 on end
+			end
+		end # I2C 1
 		device pci 19.0 on
 			chip drivers/i2c/generic
 				register "hid" = ""10EC5682""

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