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mb/google/volteer: Add "i2c-allow-low-power-probe" property for 

cameras

There is a patch https://lkml.org/lkml/2020/9/3/235 which allows i2c
device can support driver probe without power up the device.
In order to support this, need add coreboot add
"i2c-allow-low-power-probe" property.

BUG=b:169058784
BRANCH=none
TEST=Build and boot volteer board. Monitor camera privacy LED
and check it blinks. It should not blink.

Signed-off-by: Daniel Kang <daniel.h.kang@intel.com>
Change-Id: I46f90ff8d412b18c7ee4bd7f22f9a7db771eb84f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45160
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
This commit is contained in:
Daniel Kang 2020-09-07 19:43:43 -07:00 committed by Tim Wawrzynczak
parent dc2f0e39ae
commit b4b8c1d174
1 changed files with 27 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
src/mainboard/google/volteer/variants/baseboard/include/baseboard/acpi/mipi_camera.asl
View File

@ -247,7 +247,7 @@ Scope (\_SB.PCI0.I2C3)
}
},
ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package (0x02)
Package (0x03)
{
Package (0x02)
{
@ -261,6 +261,11 @@ Scope (\_SB.PCI0.I2C3)
{
VCM0
}
},
Package (0x02)
{
"i2c-allow-low-power-probe",
0x01
}
}
})
@ -365,12 +370,17 @@ Scope (\_SB.PCI0.I2C3)
Name (_DSD, Package (0x02) /* _DSD: Device-Specific Data */
{
ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package (0x01)
Package (0x02)
{
Package (0x02)
{
"compatible",
"dongwoon,dw9768"
},
Package (0x02)
{
"i2c-allow-low-power-probe",
0x01
}
}
})
@ -406,7 +416,7 @@ Scope (\_SB.PCI0.I2C3)
Name (_DSD, Package (0x02) // _DSD: Device-Specific Data
{
ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301") /* Device Properties for _DSD */,
Package (0x05)
Package (0x06)
{
Package (0x02)
{
@ -432,6 +442,11 @@ Scope (\_SB.PCI0.I2C3)
{
"compatible",
"atmel,24c1024"
},
Package (0x02)
{
"i2c-allow-low-power-probe",
0x01
}
}
})
@ -529,12 +544,17 @@ Scope (\_SB.PCI0.I2C2)
}
},
ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package (0x01)
Package (0x02)
{
Package (0x02)
{
"clock-frequency",
0x0124F800
},
Package (0x02)
{
"i2c-allow-low-power-probe",
0x01
}
}
})