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authorRobert Chen <robert.chen@quanta.corp-partner.google.com>2022-02-15 15:02:45 +0800
committerFelix Held <felix-coreboot@felixheld.de>2022-03-19 01:44:15 +0000
commit9b6e851e5be25bd5b71b6d86a0502ec48a7d9fce (patch)
treee6cbafdda9806ef1cdf4c4bd1dfae3769e95d48e /src/mainboard
parente9172a14f98805e06908519f9ccd53585587a463 (diff)
mb/google/dedede/var/lantis: Add ELAN touchscreen support for Landrid
The touchscreen slave address for landrid is 0x10 same as lantis, so we use SSFC to switch touchscreen controller. BUG=b:222976965 TEST=emerge-dedede coreboot Change-Id: I23d3de5e45aa2876c1590a1e09679d652a3f2906 Signed-off-by: Robert Chen <robert.chen@quanta.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/62002 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/dedede/variants/lantis/overridetree.cb25
1 files changed, 24 insertions, 1 deletions
diff --git a/src/mainboard/google/dedede/variants/lantis/overridetree.cb b/src/mainboard/google/dedede/variants/lantis/overridetree.cb
index 3a9910b927..3ba85bd3b1 100644
--- a/src/mainboard/google/dedede/variants/lantis/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/lantis/overridetree.cb
@@ -4,6 +4,11 @@ fw_config
option AUDIO_CODEC_ALC5682 1
option AUDIO_CODEC_ALC5682I_VS 2
end
+ field TS_DRIVER_SOURCE 43 45
+ option TS_UNPROVISIONED 0
+ option TS_ELAN0001 1
+ option TS_ELAN2513 2
+ end
end
chip soc/intel/jasperlake
@@ -176,7 +181,25 @@ chip soc/intel/jasperlake
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
register "enable_delay_ms" = "1"
register "has_power_resource" = "1"
- device i2c 10 on end
+ device i2c 10 on
+ probe TS_DRIVER_SOURCE TS_UNPROVISIONED
+ probe TS_DRIVER_SOURCE TS_ELAN0001
+ end
+ end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN2513""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D5)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)"
+ register "generic.enable_delay_ms" = "1"
+ register "generic.has_power_resource" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 10 on
+ probe TS_DRIVER_SOURCE TS_ELAN2513
+ end
end
chip drivers/i2c/hid
register "generic.hid" = ""GTCH7503""