On Fri, 28 Jan 2011 16:31:22 -0800
Kevin Hilman <khilman@xxxxxx> wrote:
> Hi Vishwa,
>
> Vishwanath BS <vishwanath.bs@xxxxxx> writes:
>
> > +/* OMAP 3430 MPU Core VDD dependency table */
> > +static struct omap_vdd_dep_volt omap34xx_vdd1_vdd2_data[] = {
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP1_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP50_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP2_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP50_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP3_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP100_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP4_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP100_UV},
> > + {.main_vdd_volt = OMAP3430_VDD_MPU_OPP5_UV, .dep_vdd_volt = OMAP4430_VDD_CORE_OPP100_UV},
> > + {.main_vdd_volt = 0, .dep_vdd_volt = 0},
> > +};
>
> This 34xx table has 4430 OPP voltages for CORE, which are clearly not
> right. 34xx has 3 CORE voltages to pick from, so I'm not sure which
> ones are right
>
> Please update this with the correct 34xx voltages and also validate on
> 34xx also.
>
Is it known what subsystem dependencies there are?
What I've noticed on N900 that the DSS will stop working if core
voltage is scaled under OMAP3430_VDD_CORE_OPP3_UV. I.e. either if using
OMAP4430_VDD_CORE_OPP50_UV above or OMAP3430_VDD_CORE_OPP2 or 1.
--
Jarkko
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