| Message ID | 1470043331-5123-1-git-send-email-ben.dooks@codethink.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 1 August 2016 at 11:22, Ben Dooks <ben.dooks@codethink.co.uk> wrote: > The core MMC code adds two (optional) regulator properites that drivers > should use to get their supplies. This is not documented anywhere so add > information on it. > > Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Thanks, applied for next! Kind regards Uffe > --- > Documentation/devicetree/bindings/mmc/mmc.txt | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt > index ed23b9b..8cbcbce 100644 > --- a/Documentation/devicetree/bindings/mmc/mmc.txt > +++ b/Documentation/devicetree/bindings/mmc/mmc.txt > @@ -71,6 +71,17 @@ Optional SDIO properties: > - wakeup-source: Enables wake up of host system on SDIO IRQ assertion > (Legacy property supported: "enable-sdio-wakeup") > > +MMC power > +--------- > + > +Controllers may implement power control from both the connected cards and > +the IO signaling (for example to change to high-speed 1.8V signalling). If > +the system supports this, then the following two properties should point > +to valid regulator nodes: > + > +- vqmmc-supply: supply node for IO line power > +- vmmc-supply: supply node for card's power > + > > MMC power sequences: > -------------------- > -- > 2.8.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index ed23b9b..8cbcbce 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -71,6 +71,17 @@ Optional SDIO properties: - wakeup-source: Enables wake up of host system on SDIO IRQ assertion (Legacy property supported: "enable-sdio-wakeup") +MMC power +--------- + +Controllers may implement power control from both the connected cards and +the IO signaling (for example to change to high-speed 1.8V signalling). If +the system supports this, then the following two properties should point +to valid regulator nodes: + +- vqmmc-supply: supply node for IO line power +- vmmc-supply: supply node for card's power + MMC power sequences: --------------------
The core MMC code adds two (optional) regulator properites that drivers should use to get their supplies. This is not documented anywhere so add information on it. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> --- Documentation/devicetree/bindings/mmc/mmc.txt | 11 +++++++++++ 1 file changed, 11 insertions(+)