summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorTommie <tong.lin@bitland.corp-partner.google.com>2020-03-13 16:37:21 +0800
committerMartin Roth <martinroth@google.com>2020-03-15 16:06:13 +0000
commit93b0c7cfc632e7b57f1f4915886bf53397a12f25 (patch)
treeb58905d791ba989b1c1675869576e4db277b59b2 /src
parent03abf8dbd16fa10a513c8d6dc831315b9cc73144 (diff)
downloadcoreboot-93b0c7cfc632e7b57f1f4915886bf53397a12f25.tar.gz
coreboot-93b0c7cfc632e7b57f1f4915886bf53397a12f25.tar.bz2
coreboot-93b0c7cfc632e7b57f1f4915886bf53397a12f25.zip
mb/google/kahlee/nuwani: support new Elan touch panel for Nuwani
This is new Elan touch screen IC, which includes touch panel and USI pen. BUG=b:151514167 TEST=build bios and verify touch screen works fine Signed-off-by: Tommie Lin <tong.lin@bitland.corp-partner.google.com> Change-Id: I98801b8c31812637f71d7eaaa0f12b47901dc47a Reviewed-on: https://review.coreboot.org/c/coreboot/+/39494 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/kahlee/variants/nuwani/devicetree.cb13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mainboard/google/kahlee/variants/nuwani/devicetree.cb b/src/mainboard/google/kahlee/variants/nuwani/devicetree.cb
index 6c953b1af47f..689e6042d72a 100644
--- a/src/mainboard/google/kahlee/variants/nuwani/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/nuwani/devicetree.cb
@@ -156,6 +156,19 @@ chip soc/amd/stoneyridge
end
device mmio 0xfedc5000 on
chip drivers/i2c/hid
+ register "generic.hid" = ""ELAN90FC""
+ register "generic.desc" = ""ELAN Touchscreen""
+ register "generic.irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_11)"
+ register "generic.probed" = "1"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_85)"
+ register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_76)"
+ register "generic.reset_delay_ms" = "20"
+ register "generic.has_power_resource" = "1"
+ register "generic.disable_gpio_export_in_crs" = "1"
+ register "hid_desc_reg_offset" = "0x01"
+ device i2c 10 on end
+ end
+ chip drivers/i2c/hid
register "generic.hid" = ""SYTS7817""
register "generic.desc" = ""Synaptics Touchscreen""
register "generic.irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_11)"