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authorMatt DeVillier <matt.devillier@gmail.com>2023-02-24 10:27:15 -0600
committerMatt DeVillier <matt.devillier@gmail.com>2023-04-10 15:14:34 +0000
commit0d5b0248eb6117dc7c9ce1a7289c28f7599cdd28 (patch)
tree98face96a41a9897cdf7a9980956896986c18a56 /src
parent50143cfb2212ef28e0930bb6b90abfb3f1886ce4 (diff)
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mb/google/sarien: Use runtime detection for touchscreens
Now that power sequencing has been implemented, switch from using ACPI "probed" flag to "detect" flag for all i2c touchscreens. This removes non-present devices from the SSDT and relieves the OS of the burden of probing. TEST=build/boot Windows/linux on drallion, verify touchscreen functional in OS, dump ACPI and verify only i2c devices actually present on the board have entries in the SSDT. Change-Id: I3b91a628cd4a9edb5d5a7521529f39b75935e1d0 Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/74239 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/sarien/variants/arcada/devicetree.cb2
-rw-r--r--src/mainboard/google/sarien/variants/sarien/devicetree.cb4
2 files changed, 3 insertions, 3 deletions
diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
index 52c37df54eb9..14df7213203f 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -310,7 +310,7 @@ chip soc/intel/cannonlake
register "generic.hid" = ""WCOM48E2""
register "generic.desc" = ""Wacom Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
- register "generic.probed" = "1"
+ register "generic.detect" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E7)"
register "generic.reset_delay_ms" = "120"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B21)"
diff --git a/src/mainboard/google/sarien/variants/sarien/devicetree.cb b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
index 1e9d321d0766..b21623555012 100644
--- a/src/mainboard/google/sarien/variants/sarien/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/sarien/devicetree.cb
@@ -322,7 +322,7 @@ chip soc/intel/cannonlake
register "generic.hid" = ""ELAN900C""
register "generic.desc" = ""ELAN Touchscreen""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
- register "generic.probed" = "1"
+ register "generic.detect" = "1"
register "generic.reset_gpio" =
"ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E7)"
register "generic.reset_delay_ms" = "10"
@@ -339,7 +339,7 @@ chip soc/intel/cannonlake
register "hid" = ""MLFS0000""
register "desc" = ""Melfas Touchscreen""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)"
- register "probed" = "1"
+ register "detect" = "1"
register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E7)"
register "reset_delay_ms" = "10"
register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B21)"