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

[Nicolas Boichat (Code Review)]

Nicolas Boichat has uploaded this change for review. ( https://review.coreboot.org/25147

Change subject: mb/google/poppy/variants/baseboard: Add gpio-keys ACPI node for PENH
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mb/google/poppy/variants/baseboard: Add gpio-keys ACPI node for PENH

This change uses gpio_keys driver to add ACPI node for pen eject event.

BUG=b:74413116
TEST=Verified using evtest that pen eject event results in events as
     expected.

Change-Id: I6019d633f4337137bb9fbba770040cb5b30da773
Signed-off-by: Nicolas Boichat 
---
M src/mainboard/google/poppy/variants/baseboard/devicetree.cb
M src/mainboard/google/poppy/variants/baseboard/gpio.c
2 files changed, 10 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/47/25147/1

diff --git a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
index 1027dda..074e8a2 100644
--- a/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/baseboard/devicetree.cb
@@ -318,6 +318,15 @@
    			register "hid_desc_reg_offset" = "0x1"
    			device i2c 0x9 on end
    		end
+			chip drivers/generic/gpio_keys
+				register "name" = ""PENH""
+				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_D8)"
+				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 #3
    	device pci 16.0 on  end # Management Engine Interface 1
    	device pci 16.1 off end # Management Engine Interface 2
diff --git a/src/mainboard/google/poppy/variants/baseboard/gpio.c b/src/mainboard/google/poppy/variants/baseboard/gpio.c
index 1290d18..daa9004 100644
--- a/src/mainboard/google/poppy/variants/baseboard/gpio.c
+++ b/src/mainboard/google/poppy/variants/baseboard/gpio.c
@@ -177,7 +177,7 @@
    /* D7  : ISH_I2C1_SDA ==> NC */
    PAD_CFG_NC(GPP_D7),
    /* D8  : ISH_I2C1_SCL ==> PEN_EJECT_ODL -- for notification */
-	PAD_CFG_GPI(GPP_D8, 20K_PU, PLTRST),
+	PAD_CFG_GPI_GPIO_DRIVER(GPP_D8, 20K_PU, DEEP),
    /* D9  : ISH_SPI_CS# ==> HP_IRQ_GPIO */
    PAD_CFG_GPI_GPIO_DRIVER(GPP_D9, NONE, PLTRST),
    /* D10 : ISH_SPI_CLK ==> SPKR_RST_L */