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authorMatt DeVillier <matt.devillier@gmail.com>2022-03-28 23:45:14 -0500
committerMartin L Roth <gaumless@gmail.com>2022-12-23 20:58:57 +0000
commit86425c81af9ac7e53db9480852aad93bd27a510d (patch)
treecf9bc8a31072ccaef3e45bd9d9e0385cbf0062d5 /src/mainboard/google/poppy/variants/nocturne
parent1c2f5cea7e078465a89ed22e673483d18355045d (diff)
mb/google/poppy: Use runtime detection for touchscreens/digitizers
Now that power sequencing has been implemented, switch from using ACPI "probed" flag to "detect" flag for all i2c touchscreens/digitizers. This removes non-present devices from the SSDT and relieves the OS of the burden of probing. BUG=b:121309055 TEST=build/boot Windows/linux on all poppy variants, verify all touchscreens functional in OS, dump ACPI and verify only i2c devices actually present on the board have entries in the SSDT. Change-Id: I4c1d8ae8c41c1f4283718a86fccbf5ae4fc399b6 Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/70921 Reviewed-by: Angel Pons <th3fanbus@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/poppy/variants/nocturne')
-rw-r--r--src/mainboard/google/poppy/variants/nocturne/devicetree.cb2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
index 03336f2e47..48709751fd 100644
--- a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
@@ -290,7 +290,7 @@ chip soc/intel/skylake
register "generic.desc" = ""WCOM Digitizer""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_E7_IRQ)"
register "generic.speed" = "I2C_SPEED_FAST_PLUS"
- register "generic.probed" = "1"
+ register "generic.detect" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E11)"
register "generic.reset_delay_ms" = "20"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C22)"