Change in coreboot[master]: mb/google/volteer/variants/copano: Add gpio-keys ACPI node for PENH

[Patrick Georgi (Code Review)]

Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/51249 )

Change subject: mb/google/volteer/variants/copano: Add gpio-keys ACPI node for PENH
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mb/google/volteer/variants/copano: Add gpio-keys ACPI node for PENH

Use gpio_keys driver to add ACPI node for pen eject event.
Also setting gpio wake pin for wake events.

BUG=b:175519097
BRANCH=firmware-volteer-13672.B
TEST=build and verify on a Copano

Change-Id: Id0a132aa398abde4983af123d00e355ac61839a8
Signed-off-by: hao_chou 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51249
Reviewed-by: Tim Wawrzynczak 
Reviewed-by: Wayne3 Wang 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/volteer/variants/copano/gpio.c
M src/mainboard/google/volteer/variants/copano/overridetree.cb
2 files changed, 14 insertions(+), 1 deletion(-)

Approvals:
  build bot (Jenkins): Verified
  Tim Wawrzynczak: Looks good to me, approved
  Hao Chou: Looks good to me, but someone else must approve
  Wayne3 Wang: Looks good to me, but someone else must approve

diff --git a/src/mainboard/google/volteer/variants/copano/gpio.c b/src/mainboard/google/volteer/variants/copano/gpio.c
index d5498d0..9075c1a 100644
--- a/src/mainboard/google/volteer/variants/copano/gpio.c
+++ b/src/mainboard/google/volteer/variants/copano/gpio.c
@@ -111,7 +111,7 @@
    /* E16 : ISH_GP7 ==> USB_A0_RT_RST_ODL */
    PAD_CFG_GPO(GPP_E16, 1, DEEP),
    /* E17 : THC0_SPI1_INT# ==> PEN_DET_ODL */
-	PAD_CFG_GPI_SCI_LOW(GPP_E1, NONE, DEEP, EDGE_SINGLE),
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_E17, NONE, PLTRST),
    /* E19 : DDP1_CTRLDATA ==> USB0_C0_LSX_SOC_RX_STRAP */
    PAD_CFG_NF(GPP_E19, DN_20K, DEEP, NF4),

diff --git a/src/mainboard/google/volteer/variants/copano/overridetree.cb b/src/mainboard/google/volteer/variants/copano/overridetree.cb
index c331986..7edb3f2 100644
--- a/src/mainboard/google/volteer/variants/copano/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/copano/overridetree.cb
@@ -94,6 +94,19 @@
    			register "hid_desc_reg_offset" = "0x01"
    			device i2c 10 on end
    		end
+			chip drivers/generic/gpio_keys
+				register "name" = ""PENH""
+				# GPP_E17 is the IRQ source, and GPP_E1 is the wake source
+				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_E17)"
+				register "key.wake_gpe" = "GPE0_DW2_01"
+				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
    	device ref i2c5 on
    		chip drivers/i2c/generic