* Nishanth Menon <nm@xxxxxx> [160420 01:20]: > As per the data sheet starting from SPRUHQ0H (Nov 2015 - Latest[1]), > VDD_CORE can vary from 0.85v to 1.15v for AVS class0. VDD GPU/DSP > et.al. can range from 0.85v to 1.25V with AVS class0 > > Since dynamic voltage scaling is disabled for DRA7/AM57xx SoCs for > all SoC rails other than MPU, the bootloader is responsible for > setting up the AVS class0 voltage, however, with wrong voltage machine > constraints in dtb, regulator framework will lower the voltage below > the required voltage levels for certain samples in production flow. > This can cause catastrophic failures which can be pretty hard to > identify. > > Update board files which don't match required specification. > > [1] http://www.ti.com/product/AM5728/datasheet/specifications#SPRT637-7340 Applying into omap-for-v4.7/dt thanks. This does not apply to v4.6-rc, so assuming this is not an urgent fix. Regards, Tony -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html