[PATCH] arm64: dts: rockchip: vdd_log is not an i2c slave

Heiko Stuebner heiko at sntech.de
Sun Feb 18 22:01:55 PST 2018

Am Sonntag, 18. Februar 2018, 16:43:59 CET schrieb Vicente Bergas:
> The vdd_log power supply is controlled by a PWM pin, not by i2c register access.
> There is a boot message that reports an error about not being able to bring that supply up.
> Also, the eMMC is not detected and /dev/mmcblk2 does not exist.
> References:
> [1]
> Schematic page 16, search for LOG_DVS_PWM
> https://dl.vamrs.com/products/sapphire_excavator/RK_SAPPHIRE_SOCBOARD_RK3399_LPDDR3D178P232SD8_V12_20161109HXS.pdf
> (alternate link)
> http://opensource.rock-chips.com/images/f/f0/RK_Sapphire_RK3399.rar
> [2]
> arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
> Signed-off-by: Vicente Bergas <vicencb at gmail.com>

I've adapted the commit message a bit and applied the patch
for 4.17

For the emmc, that is a separate issue and you'll need to look at the logs
to see if there is anything shown. Especially device-numbering
(your mmcblk2) is not guaranteed, so this could very well also be
mmcblk0 or mmcblk1


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