On 12/03/2013 03:18 PM, Stefan Agner wrote: > Depending on the regulator version, the voltage table might be > different. Use version specific regulator tables in order to > select correct voltage table. For the following regulator versions > different voltage tables are now used: > > * TPS658623: Use correct voltage table for SM2 * TPS658643: New > voltage table for SM2 > > Both versions are in use on the Colibri T20 module. Make use of > the correct tables by requesting the correct SM2 voltage of 1.8V. > > This change is not backward compatible since an old driver is not > able to correctly set that value. The value 1.8V is out of range > for the old driver and will refuse to probe the device. The > regulator starts with default settings and the driver shows > appropriate error messages. > > On Colibri T20, the old value used to work with TPS658623 since > the driver applied a wrong voltage table too. However, the > TPS658643 used on V1.2 devices uses yet another voltage table and > those broke that pseudo-compatibility. The regulator driver now has > the correct voltage table for both regulator versions and those the > correct voltage can be used in the device tree. Acked-by: Stephen Warren <swarren@xxxxxxxxxx> (yes, taking this through the MFD tree with patch 1/3 makes sense) -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
