| Message ID | 20180712160452.5516-2-wens@csie.org |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | arm64: allwinner: h6: Enable AXP805 PMIC on Pine H64 | expand |
On Fri, 13 Jul 2018, Chen-Yu Tsai wrote: > The AXP806 has three operation modes: > > - master mode: The PMIC is the first or only AXP PMIC in the system, > but is not in charge of power management, i.e. only > provides regulator functions. > > - slave mode: The PMIC is the second AXP PMIC in the system, chained > to the first, or master, one. > > - self-working mode: The PMIC is the only AXP PMIC in the system, and > is in charge of power sequencing. > > The functional differences between these modes can be found in the > "Control and Operation" chapter of the AXP806 (in Chinese) and AXP805 > (in English) datasheets. These include how the PMIC responds to external > signals, whether it takes an external voltage reference or uses its own, > and whether the EN/PWRON pin functions as an enable switch or power button. > > We already support both slave and master mode. This patch adds a property > for describing the self-working mode, and reworks the description for > the mode properties. > > Reviewed-by: Rob Herring <robh@kernel.org> > Reviewed-by: Icenowy Zheng <icenowy@aosc.io> > Tested-by: Icenowy Zheng <icenowy@aosc.io> > Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> > Acked-by: Maxime Ripard <maxime.ripard@bootlin.com> > Signed-off-by: Chen-Yu Tsai <wens@csie.org> > --- > Documentation/devicetree/bindings/mfd/axp20x.txt | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) Applied, thanks.
diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt index d1762f3b30af..eaaf79c01e1e 100644 --- a/Documentation/devicetree/bindings/mfd/axp20x.txt +++ b/Documentation/devicetree/bindings/mfd/axp20x.txt @@ -45,8 +45,11 @@ Optional properties: board is driving OTG VBus or not. (axp221 / axp223 / axp803/ axp813 only) -- x-powers,master-mode: Boolean (axp806 only). Set this when the PMIC is - wired for master mode. The default is slave mode. +- x-powers,self-working-mode and + x-powers,master-mode: Boolean (axp806 only). Set either of these when the + PMIC is wired for self-working mode or master mode. + If neither is set then slave mode is assumed. + This corresponds to how the MODESET pin is wired. - <input>-supply: a phandle to the regulator supply node. May be omitted if inputs are unregulated, such as using the IPSOUT output