Karthik Ramasubramanian has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/45912 )
Change subject: mb/google/dedede/var/waddledee: Enable GPIO based I2C Multiplexer
......................................................................
Patch Set 6:
(1 comment)
https://review.coreboot.org/c/coreboot/+/45912/5/src/mainboard/google/deded…
File src/mainboard/google/dedede/Kconfig.name:
https://review.coreboot.org/c/coreboot/+/45912/5/src/mainboard/google/deded…
PS5, Line 54: select DRIVERS_I2C_GPIO_MUX
> It should be fine to do this in Kconfig under BOARD_GOOGLE_BASEBOARD_DEDEDE. […]
Done
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Gerrit-Change-Number: 45912
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Hello build bot (Jenkins), Furquan Shaikh, Justin TerAvest, Evan Green, Tim Wawrzynczak,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/45912
to look at the new patch set (#6).
Change subject: mb/google/dedede/var/waddledee: Enable GPIO based I2C Multiplexer
......................................................................
mb/google/dedede/var/waddledee: Enable GPIO based I2C Multiplexer
The camera sensor component chosen for UFC and WFC have address
conflict. Resolve it by enabling GPIO based I2C Multiplexer
BUG=b:169444894
TEST=Build and boot waddledee to OS. Ensure that the ACPI identifiers
are added for I2C devices multiplexed using I2C MUX under the
appropriate scope.
Change-Id: I9b09e063b4377587019ade9e6e194f4aadcdd312
Signed-off-by: Karthikeyan Ramasubramanian <kramasub(a)google.com>
---
M src/mainboard/google/dedede/Kconfig
M src/mainboard/google/dedede/variants/waddledee/overridetree.cb
2 files changed, 15 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/12/45912/6
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Hello build bot (Jenkins), Furquan Shaikh, Patrick Georgi, Martin Roth, Justin TerAvest, Evan Green, Tim Wawrzynczak, Duncan Laurie,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/45911
to look at the new patch set (#6).
Change subject: drivers/i2c: Add chip driver for GPIO based I2C multiplexer
......................................................................
drivers/i2c: Add chip driver for GPIO based I2C multiplexer
Add identifiers in ACPI tables for GPIO based I2C multiplexer. The
multiplexer device defines the GPIO resource used to select the
adapter/bus lines. The multiplexer adapter device defines the address
to select the adapter/client lines.
BUG=b:169444894
TEST=Build and boot waddledee to OS. Ensure that the ACPI identifiers
are added for I2C devices multiplexed using I2C MUX under the
appropriate scope. Here is the output SSDT:
Scope (\_SB.PCI0.I2C3)
{
Device (MUX0)
{
Name (_HID, "PRP0001") // _HID: Hardware ID
Method (_STA, 0, NotSerialized) // _STA: Status
{
Return (0x0F)
}
Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings
{
GpioIo (Exclusive, PullDefault, 0x0000, 0x0000, IoRestrictionOutputOnly,
"\\_SB.PCI0.GPIO", 0x00, ResourceConsumer, ,
)
{ // Pin list
0x0125
}
})
Name (_DSD, Package (0x02) // _DSD: Device-Specific Data
{
ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301") /* Device Properties for _DSD */,
Package (0x02)
{
Package (0x02)
{
"compatible",
"i2c-mux-gpio"
},
Package (0x02)
{
"mux-gpios",
Package (0x04)
{
\_SB.PCI0.I2C3.MUX0,
Zero,
Zero,
Zero
}
}
}
})
}
}
Change-Id: Ib371108cc6043c133681066bf7bf4b2e00771e8b
Signed-off-by: Karthikeyan Ramasubramanian <kramasub(a)google.com>
---
A src/drivers/i2c/gpiomux/Kconfig
A src/drivers/i2c/gpiomux/Makefile.inc
A src/drivers/i2c/gpiomux/mux/Makefile.inc
A src/drivers/i2c/gpiomux/mux/chip.h
A src/drivers/i2c/gpiomux/mux/mux.c
5 files changed, 109 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/11/45911/6
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Matt DeVillier has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39538 )
Change subject: soc/intel/skylake: Configure L1 substates for PCH root ports
......................................................................
Patch Set 25:
> Patch Set 25:
>
> Do you think that L1 substates should be guarded by that Kconfig?
it wouldn't hurt to add 'CONFIG(PCIEXP_L1_SUB_STATE) &&' to the front of the if statement
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