commit 2fd6a6758b221ca7812bbb86177e4a96376abf45
author Frank Chu <frank_chu@pegatron.corp-partner.google.com> Wed Mar 13 11:17:26 2024 +0800
committer Felix Held <felix-coreboot@felixheld.de> Thu Mar 14 15:38:57 2024 +0000
tree 8f56a359914ad26f345e5899c13d1fe1a00fdeb9
parent f8df905e7baf2adca61b7ca2fe4e844414feddc0

mb/google/nissa/var/glassway: Add 2nd touchscreen via SSFC config

Define SSFC bit 0-1 in coreboot for add 2nd BOE G7500 touchscreen.

BUG=b:329339069
BRANCH=firmware-nissa-15217.B
TEST=Check touchscreen can detect and function work.
[INFO ]  input: GTCH7503:00 2A94:A804 as /devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-10/i2c-GTCH7503:00/0014

Change-Id: I85688919864e3cac1beb2442ef3e23fe9d5f916c
Signed-off-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81217
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>

src/mainboard/google/brya/Kconfig

diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index a22f665..0602207 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -239,6 +239,7 @@
 	select BOARD_GOOGLE_BASEBOARD_NISSA
 	select DRIVERS_GENERIC_GPIO_KEYS
 	select DRIVERS_GENESYSLOGIC_GL9750
+	select EC_GOOGLE_CHROMEEC_INCLUDE_SSFC_IN_FW_CONFIG
 
 config BOARD_GOOGLE_GOTHRAX
 	select BOARD_GOOGLE_BASEBOARD_NISSA

src/mainboard/google/brya/variants/glassway/overridetree.cb

diff --git a/src/mainboard/google/brya/variants/glassway/overridetree.cb b/src/mainboard/google/brya/variants/glassway/overridetree.cb
index 08d247b..15b7d7e 100644
--- a/src/mainboard/google/brya/variants/glassway/overridetree.cb
+++ b/src/mainboard/google/brya/variants/glassway/overridetree.cb
@@ -16,7 +16,7 @@
 	field TOUCHSCREEN_SOURCE 32 33
 		option TOUCHSCREEN_UNPROVISIONED 0
 		option TOUCHSCREEN_ELAN0001      1
-		option TOUCHSCREEN_ELAN9008      2
+		option TOUCHSCREEN_GTCH7503      2
 	end
 end
 
@@ -336,23 +336,23 @@
 					probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ELAN0001
 				end
 			end
+
 			chip drivers/i2c/hid
-				register "generic.hid" = ""ELAN9008""
-				register "generic.desc" = ""ELAN Touchscreen""
+				register "generic.hid" = ""GTCH7503""
+				register "generic.desc" = ""G2TOUCH Touchscreen""
 				register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)"
-				register "generic.detect" = "1"
 				register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)"
-				register "generic.reset_delay_ms" = "20"
-				register "generic.reset_off_delay_ms" = "2"
+				register "generic.reset_delay_ms" = "50"
+				register "generic.reset_off_delay_ms" = "5"
 				register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
-				register "generic.stop_delay_ms" = "280"
-				register "generic.stop_off_delay_ms" = "2"
+				register "generic.stop_delay_ms" = "30"
+				register "generic.stop_off_delay_ms" = "10"
 				register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
-				register "generic.enable_delay_ms" = "1"
+				register "generic.enable_delay_ms" = "5"
 				register "generic.has_power_resource" = "1"
 				register "hid_desc_reg_offset" = "0x01"
-				device i2c 10 on
-					probe TOUCHSCREEN_SOURCE TOUCHSCREEN_ELAN9008
+				device i2c 40  on
+					probe TOUCHSCREEN_SOURCE TOUCHSCREEN_GTCH7503
 				end
 			end
 		end #I2C1