| Message ID | 20141206173526.GA7964@amd (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Saturday 06 December 2014 18:35:27 Pavel Machek wrote: > Hi! > > For a long time, MMC was not working during boot... (making > the box unusable without nfsroot). It seems problem is in the > regulators, because with diff below, I was able to mount root > on SD card for a first time ... in a long time. > Hi, do you mean external SD card or internal eMMC (MyDocs)?
On Sat 2014-12-06 18:40:16, Pali Rohár wrote: > On Saturday 06 December 2014 18:35:27 Pavel Machek wrote: > > Hi! > > > > For a long time, MMC was not working during boot... (making > > the box unusable without nfsroot). It seems problem is in the > > regulators, because with diff below, I was able to mount root > > on SD card for a first time ... in a long time. > > > > Hi, do you mean external SD card or internal eMMC (MyDocs)? I mean u-SD card. But it is strange. I reverted the patch now, and it still works. Not sure why or what I've done differently. Pavel
On Saturday 06 December 2014 19:04:29 Pavel Machek wrote: > On Sat 2014-12-06 18:40:16, Pali Rohár wrote: > > On Saturday 06 December 2014 18:35:27 Pavel Machek wrote: > > > Hi! > > > > > > For a long time, MMC was not working during boot... > > > (making the box unusable without nfsroot). It seems > > > problem is in the regulators, because with diff below, I > > > was able to mount root on SD card for a first time ... in > > > a long time. > > > > Hi, do you mean external SD card or internal eMMC (MyDocs)? > > I mean u-SD card. But it is strange. I reverted the patch now, > and it still works. Not sure why or what I've done > differently. > > Pavel Remove battery wait some time and try again. Maybe you configured something which can be cleared only after full device shutdown...
diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt index 8607433..07791c6 100644 --- a/Documentation/devicetree/bindings/regulator/regulator.txt +++ b/Documentation/devicetree/bindings/regulator/regulator.txt @@ -4,7 +4,8 @@ Optional properties: - regulator-name: A string used as a descriptive name for regulator outputs - regulator-min-microvolt: smallest voltage consumers may set - regulator-max-microvolt: largest voltage consumers may set -- regulator-microvolt-offset: Offset applied to voltages to compensate for voltage drops +- regulator-microvolt-offset: Offset applied to voltages to compensate for + voltage drops - regulator-min-microamp: smallest current consumers may set - regulator-max-microamp: largest current consumers may set - regulator-always-on: boolean, regulator should never be disabled diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts index 11d8afd..707928d 100644 --- a/arch/arm/boot/dts/omap3-n900.dts +++ b/arch/arm/boot/dts/omap3-n900.dts @@ -287,31 +287,35 @@ regulator-name = "V28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; - regulator-always-on; /* due battery cover sensor */ + regulator-always-on; /* due to battery cover sensor */ }; &vaux2 { regulator-name = "VCSI"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; /* FIXME */ }; &vaux3 { regulator-name = "VMMC2_30"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <3000000>; + regulator-always-on; /* FIXME */ }; &vaux4 { regulator-name = "VCAM_ANA_28"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; + regulator-always-on; /* FIXME */ }; &vmmc1 { regulator-name = "VMMC1"; regulator-min-microvolt = <1850000>; regulator-max-microvolt = <3150000>; + regulator-always-on; /* FIXME */ }; &vmmc2 { @@ -339,13 +343,14 @@ regulator-name = "VMMC2_IO_18"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; + regulator-always-on; /* FIXME */ }; &vio { regulator-name = "VIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; - + regulator-always-on; /* FIXME */ }; &vintana1 {
Hi! For a long time, MMC was not working during boot... (making the box unusable without nfsroot). It seems problem is in the regulators, because with diff below, I was able to mount root on SD card for a first time ... in a long time. Signed-off-by: Pavel Machek <pavel@ucw.cz> [but not for upstream]