On Wed, Sep 21, 2016 at 04:41:11PM +0800, Phil Reid wrote: > From: Karl-Heinz Schneider <karl-heinz@xxxxxxxxxxxxxxxxx> > > This patch adds device tree documentation for the sbs-manager > > Reviewed-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx> > Signed-off-by: Karl-Heinz Schneider <karl-heinz@xxxxxxxxxxxxxxxxx> > Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx> > --- > .../bindings/power/supply/sbs,sbs-manager.txt | 62 ++++++++++++++++++++++ > 1 file changed, 62 insertions(+) > create mode 100644 Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt > > diff --git a/Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt b/Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt > new file mode 100644 > index 0000000..2a04b30 > --- /dev/null > +++ b/Documentation/devicetree/bindings/power/supply/sbs,sbs-manager.txt > @@ -0,0 +1,62 @@ > +Binding for sbs-manager > + > +Required properties: > +- compatible: should be "lltc,ltc1760" or use "sbs,sbs-manager" as fallback. > +- reg: integer, i2c address of the device. Should be <0xa>. > +Optional properties: > +- gpio-controller: Marks the port as GPIO controller. > + See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt. > +- #gpio-cells: Should be <2>. The first cell is the pin number, the second cell > + is used to specify optional parameters: > + See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt. Is this leftover from the last version? It doesn't look like you are using any GPIOs in the example. > + > +From OS view the device is basically an i2c-mux used to communicate with up to > +four smart battery devices at address 0xb. The driver actually implements this > +behaviour. So standard i2c-mux nodes can be used to register up to four slave > +batteries. See Documentation/devicetree/bindings/i2c/i2c-mux.txt for more > +information on i2c-mux nodes. Channels will be numerated starting from 1 to 4. > + > +Example: > + > +batman@0a { > + compatible = "lltc,ltc1760"; > + reg = <0x0a>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + gpio-controller; > + #gpio-cells = <2>; > + > + i2c@1 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <1>; > + > + battery@b { > + compatible = "ti,bq2060", "sbs,sbs-battery"; > + reg = <0xb>; > + }; > + }; > + > + i2c@2 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <2>; > + > + battery@b { > + compatible = "ti,bq2060", "sbs,sbs-battery"; > + reg = <0xb>; > + }; > + }; > + > + i2c@3 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <3>; > + > + battery@b { > + compatible = "ti,bq2060", "sbs,sbs-battery"; > + reg = <0xb>; > + }; > + }; > +}; > -- > 1.8.3.1 > > -- > To unsubscribe from this list: send the line "unsubscribe devicetree" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html