Andy Yeh has posted comments on this change. ( https://review.coreboot.org/24910 )
Change subject: mb/google/nautilus: Modify the XTDV = 210 due to different OSC from Poppy
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Patch Set 2:
added Rizwan and Raj for Intel review first. Please help check and let me know if any questions.
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build bot (Jenkins) has posted comments on this change. ( https://review.coreboot.org/24910 )
Change subject: mb/google/nautilus: Modify the XTDV = 210 due to different OSC from Poppy
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Patch Set 2: Verified+1
Build Successful
https://qa.coreboot.org/job/coreboot-gerrit/68097/ : SUCCESS
https://qa.coreboot.org/job/coreboot-checkpatch/22554/ : SUCCESS
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Hello build bot (Jenkins),
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/24910
to look at the new patch set (#2).
Change subject: mb/google/nautilus: Modify the XTDV = 210 due to different OSC from Poppy
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mb/google/nautilus: Modify the XTDV = 210 due to different OSC from Poppy
It is to change MCLK output in 19.2Mhz (currently 23.04Mhz) because
nautilus uses different OSC for TI PMIC.
According to PMIC datasheet (tps68470), the MCLK for camera depends on
the frequency of OSC. In poppy, the frequency of OSC is 20 MHz, the
PLL_REF_CLK = 20M / [XTDV (170) + 30] = 100kHz.
If we want to keep the PLL_REF_CLK in nautilus with 24 MHz OSC, we
should change XDTV to 210.
BUG=b:73987684
TEST: Verified the MIPI camera fps on DUT board.
TODO: OEM tries to fix OSC on next build. Then this patch shall be reverted.
Change-Id: Ia93bee1fc07434c13a5fa4227e100ddaff2de74a
Signed-off-by: Andy Yeh <andy.yeh(a)intel.com>
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M src/mainboard/google/poppy/variants/baseboard/include/baseboard/acpi/camera_pmic.asl
1 file changed, 6 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/10/24910/2
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