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SubjectRe: [PATCH 1/1] arm64: dts: rockchip: correct voltage selector Firefly-RK3399
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On 06/20/2018 01:21 AM, Heiko Stuebner wrote:
> Hi Heinrich,
>
> Am Donnerstag, 14. Juni 2018, 14:55:27 CEST schrieb Heiko Stuebner:
>> Am Montag, 4. Juni 2018, 19:15:23 CEST schrieb Heinrich Schuchardt:
>>> Without this patch the Firefly-RK3399 board boot process hangs after these
>>> lines:
>>>
>>> fan53555-regulator 0-0040: FAN53555 Option[8] Rev[1] Detected!
>>> fan53555-reg: supplied by vcc_sys
>>> vcc1v8_s3: supplied by vcc_1v8
>>>
>>> Blacklisting driver fan53555 allows booting.
>>>
>>> The device tree uses a value of fcs,suspend-voltage-selector different to
>>> any other board.
>>>
>>> Changing this setting to the usual value is sufficient to enable booting.
>>>
>>> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
>>
>> applied for 4.19.
>
> and dropped again.
>
> Sadly it looks like the patch causes conflicts with at least one firefly
> board in a kernelci lab. My own is currently not ready to use, so I cannot
> look myself right now.
>
> The issue kernelci people described sounded quite a lot like the one
> in your commit message, so my current theory is that the
> suspend-voltage-selector must in some form corespond to the
> cpu_b_sleep_h gpio setting we're currently not handling at all, which
> would therefore depend on how the bootloader sets this up.
>

Hi Heiko,

please, provide a link to the log displaying the issue and the contact
who can provide the exact setup.

I have been testing with U-Boot as boot loader.

Best regards

Heinrich

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