[S] Change in coreboot[main]: mb/google/nissa/var/telith: Disable stylus function

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/85738?usp=email )

Change subject: mb/google/nissa/var/telith: Disable stylus function
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mb/google/nissa/var/telith: Disable stylus function

Disable stylus function based on hardware schematic diagram.Because the external environment is floating, EE requires setting GPIO output to be pulled high or low.

BUG=b:372506691
TEST=Local build successfully.

Change-Id: I7b72284ab173633405d5de9541f0ea7520d09658
Signed-off-by: Kun Liu 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85738
Reviewed-by: Subrata Banik 
Reviewed-by: Eric Lai 
Tested-by: build bot (Jenkins) 
Reviewed-by: Rui Zhou 
Reviewed-by: Kapil Porwal 
---
M src/mainboard/google/brya/variants/telith/gpio.c
M src/mainboard/google/brya/variants/telith/overridetree.cb
2 files changed, 4 insertions(+), 14 deletions(-)

Approvals:
  Eric Lai: Looks good to me, but someone else must approve
  Rui Zhou: Looks good to me, but someone else must approve
  Subrata Banik: Looks good to me, approved
  build bot (Jenkins): Verified
  Kapil Porwal: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/telith/gpio.c b/src/mainboard/google/brya/variants/telith/gpio.c
index 7570d51..0043111 100644
--- a/src/mainboard/google/brya/variants/telith/gpio.c
+++ b/src/mainboard/google/brya/variants/telith/gpio.c
@@ -42,8 +42,10 @@

/* F6  : CNV_PA_BLANKING ==> NC */
    PAD_NC(GPP_F6, NONE),
-	/* F15 : GSXSRESET# ==> SOC_PEN_DETECT_ODL */
-	PAD_CFG_GPI_SCI_HIGH(GPP_F15, NONE, PLTRST, EDGE_BOTH),
+	/* F15 : GSXSRESET# ==> GPIO */
+	PAD_CFG_GPO(GPP_F15, 0, DEEP),
+	/* F13 : GSXSLOAD ==> GPIO */
+	PAD_CFG_GPO(GPP_F13, 0, DEEP),
    /* F18 : THC1_SPI2_INT# ==> NC */
    PAD_NC(GPP_F18, NONE),
    /* F23 : V1P05_CTRL ==> NC*/
diff --git a/src/mainboard/google/brya/variants/telith/overridetree.cb b/src/mainboard/google/brya/variants/telith/overridetree.cb
index b48d8a6..1d6cd45 100644
--- a/src/mainboard/google/brya/variants/telith/overridetree.cb
+++ b/src/mainboard/google/brya/variants/telith/overridetree.cb
@@ -388,18 +388,6 @@
    			register "has_power_resource" = "1"
    			device i2c 10 on end
    		end
-			chip drivers/generic/gpio_keys
-				register "name" = ""PENH""
-				register "gpio" = "ACPI_GPIO_INPUT_ACTIVE_LOW(GPP_F13)"
-				register "key.wake_gpe" = "GPE0_DW2_15"
-				register "key.wakeup_route" = "WAKEUP_ROUTE_SCI"
-				register "key.wakeup_event_action" = "EV_ACT_ANY"
-				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/intel/mipi_camera