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authorStanley Wu <stanley1.wu@lcfc.corp-partner.google.com>2021-01-05 19:12:00 +0800
committerKarthik Ramasubramanian <kramasub@google.com>2021-01-14 05:49:59 +0000
commitc2d01122001477613881808fd23c9870ed5ecf17 (patch)
tree7fd8904cbd103628ed394d07a85b4165bf13640c /src/mainboard
parent558a497f4c6a94323e6450500058293052345db7 (diff)
downloadcoreboot-c2d01122001477613881808fd23c9870ed5ecf17.tar.xz
mb/google/dedede/var/boten: Support ELAN i2c-hid touchscreen for botenflex
Update ELAN i2c-hid touchscreen configuration BUG=b:172517685 BRANCH=dedede TEST=Verify touchscreen is working fine on botenflex Signed-off-by: Stanley Wu <stanley1.wu@lcfc.corp-partner.google.com> Change-Id: Ia7c81fd0a772968ec32406f1e366a90481fc5ad8 Reviewed-on: https://review.coreboot.org/c/coreboot/+/49114 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/boten/overridetree.cb20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/mainboard/google/dedede/variants/boten/overridetree.cb b/src/mainboard/google/dedede/variants/boten/overridetree.cb
index e4f5e7b709..ff7a4d6b3b 100644
--- a/src/mainboard/google/dedede/variants/boten/overridetree.cb
+++ b/src/mainboard/google/dedede/variants/boten/overridetree.cb
@@ -161,6 +161,26 @@ chip soc/intel/jasperlake
register "hid_desc_reg_offset" = "0x01"
device i2c 0x5d on end
end
+ chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN901C""
+ 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_LOW(GPP_D5)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.reset_off_delay_ms" = "2"
+ register "generic.stop_gpio" =
+ "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)"
+ register "generic.stop_delay_ms" = "280"
+ register "generic.stop_off_delay_ms" = "2"
+ 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 end
+ end
end # I2C 2
device pci 15.3 off end # I2C 3
device pci 19.0 on