Change in coreboot[master]: mb/google/brya/var/kano: Add gpio-keys ACPI node for PENH

[David Wu (Code Review)]

David Wu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/59035 )

Change subject: mb/google/brya/var/kano: Add gpio-keys ACPI node for PENH
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mb/google/brya/var/kano: 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:192415743
TEST=build pass

Signed-off-by: David Wu 
Change-Id: Ia36119678cfd5c65a62685d3312537d9aa21e83b
---
M src/mainboard/google/brya/Kconfig
M src/mainboard/google/brya/variants/kano/gpio.c
M src/mainboard/google/brya/variants/kano/overridetree.cb
3 files changed, 18 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/35/59035/1

diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index e6e44e2..990e808 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -14,6 +14,7 @@
    def_bool y
    select BOARD_ROMSIZE_KB_32768
    select DRIVERS_GENERIC_ALC1015
+	select DRIVERS_GENERIC_GPIO_KEYS
    select DRIVERS_GENERIC_MAX98357A
    select DRIVERS_I2C_GENERIC
    select DRIVERS_I2C_HID
diff --git a/src/mainboard/google/brya/variants/kano/gpio.c b/src/mainboard/google/brya/variants/kano/gpio.c
index aaac0ca..818ddd0 100644
--- a/src/mainboard/google/brya/variants/kano/gpio.c
+++ b/src/mainboard/google/brya/variants/kano/gpio.c
@@ -30,10 +30,14 @@
    PAD_NC(GPP_D3, NONE),
    /* D5  : SRCCLKREQ0# ==> SSD_CLKREQ_ODL */
    PAD_CFG_NF(GPP_D5, NONE, DEEP, NF1),
+	/* D6  : SRCCLKREQ1# ==> APU_PEN_DETECT_ODL */
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_D6, NONE, PLTRST),
    /* D7  : SRCCLKREQ2# ==> NC */
    PAD_NC(GPP_D7, NONE),
    /* D8  : SRCCLKREQ3# ==> NC */
    PAD_NC(GPP_D8, NONE),
+	/* D17  : UART1_RXD ==> APU_PEN_DETECT_ODL */
+	PAD_CFG_GPI_SCI(GPP_D17, NONE, DEEP, EDGE_SINGLE, NONE),
    /* D18 : UART1_TXD ==> NC */
    PAD_NC(GPP_D18, NONE),

diff --git a/src/mainboard/google/brya/variants/kano/overridetree.cb b/src/mainboard/google/brya/variants/kano/overridetree.cb
index 899dd36..21baf4e 100644
--- a/src/mainboard/google/brya/variants/kano/overridetree.cb
+++ b/src/mainboard/google/brya/variants/kano/overridetree.cb
@@ -223,6 +223,19 @@
    			register "hid_desc_reg_offset" = "0x01"
    			device i2c 0x10 on end
    		end
+			chip drivers/generic/gpio_keys
+				register "name" = ""PENH""
+				# GPP_D6 is the IRQ source, and GPP_D17 is the wake source
+				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_D6)"
+				register "key.wake_gpe" = "GPE0_DW1_17"
+				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 i2c2 on
    		chip drivers/i2c/sx9324