On 06/26/2014 10:31 AM, Tony Lindgren wrote: > * Nishanth Menon <[email protected]> [140625 15:29]: >> On 06/25/2014 07:56 AM, Roger Quadros wrote: >>> The SATA and USB PHYs need the 1.8V and 3.3V supplies. >>> The PHY drivers/framework don't yet support regulator >>> supply so we have to keep these regulators always-on till >>> then. >>> >>> Signed-off-by: Roger Quadros <[email protected]> >>> --- >>> arch/arm/boot/dts/dra7-evm.dts | 2 ++ >>> 1 file changed, 2 insertions(+) >>> >>> diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts >>> index 4adc280..99a1f79 100644 >>> --- a/arch/arm/boot/dts/dra7-evm.dts >>> +++ b/arch/arm/boot/dts/dra7-evm.dts >>> @@ -241,6 +241,7 @@ >>> regulator-min-microvolt = <1800000>; >>> regulator-max-microvolt = <1800000>; >>> regulator-boot-on; >>> + regulator-always-on; >>> }; >>> >>> ldo9_reg: ldo9 { >>> @@ -266,6 +267,7 @@ >>> regulator-min-microvolt = <3300000>; >>> regulator-max-microvolt = <3300000>; >>> regulator-boot-on; >>> + regulator-always-on; >>> }; >>> }; >>> }; >>> >> >> Why not fix phy driver/framework as needed? the trouble is people >> always forget to remove always-on... who actually audits old logs and >> fixes stuff back up? > > Yes I agree let's not play with the regulator-always-on unless > absolutely necessary. > Agreed. PHY framework must deal with this. Till then USB, SATA and most likely PCIe as well will not work on DRA7-evm.
cheers, -roger -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
