On 10/01/2014 06:52 AM, Mark Brown wrote: > On Tue, Sep 30, 2014 at 06:57:51PM +0200, Heiko St?bner wrote: >> Am Dienstag, 30. September 2014, 09:43:47 schrieb Doug Anderson: >>> On Tue, Sep 30, 2014 at 2:44 AM, Chris Zhong <zyw at rock-chips.com> wrote: >>>> - REGULATOR_LINEAR_RANGE(700000, 0, 63, 12500), >>>> + REGULATOR_LINEAR_RANGE(712500, 0, 63, 12500), >>> I have no problem with this (and the current "dts" file I see don't go >>> this low anyway), but it doesn't match the datasheet I have right now >>> which says "0.700 V" is the min. >> Then it would be problem. >> The original statement above says, that a register value of "0" equals 700mV, >> so changing this in this way would mean everything runs 12.5mV above the >> target voltage. >> And I can confirm, that the current datasheet lists 700mV as equallying >> register value 0. > Has anyone got a voltmeter? The latest datasheet has fixed this error. The register value of "0" equals 712.5mV, so the max value can reach 1.5v but not 1.4875v.
