On Fri, Oct 07, 2016 at 06:21:01PM +0300, Pantelis Antoniou wrote: > From: Georgi Vlaev <gvlaev@xxxxxxxxxxx> > > Add device tree bindings for the Juniper I2CS MFD driver. > > Signed-off-by: Georgi Vlaev <gvlaev@xxxxxxxxxxx> > [Ported from Juniper kernel] > Signed-off-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx> > --- > Documentation/devicetree/bindings/mfd/jnx-i2cs.txt | 68 ++++++++++++++++++++++ > 1 file changed, 68 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/jnx-i2cs.txt > > diff --git a/Documentation/devicetree/bindings/mfd/jnx-i2cs.txt b/Documentation/devicetree/bindings/mfd/jnx-i2cs.txt > new file mode 100644 > index 0000000..0ec103b > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/jnx-i2cs.txt > @@ -0,0 +1,68 @@ > +Device-Tree bindings for Juniper Networks I2CS FPGA MFD > + > +Required properties: > +- compatible - Must be one of: > + "jnx,i2cs-rcb" (Routing Engine or Control Board FRUs) > + "jnx,i2cs-fpc" (Flexible Port Concentrator FRUs) > + "jnx,i2cs-sib" (Switching Interface Board FRUs) > + "jnx,i2cs-fan" (Fan Tray FRUs) > + > +Optional properties: > + > +Depending on the FRU, the I2CS MFD has varied group of sub-devices: > + > +Device Description > +------ ----------- > +jnx,i2cs-gpio : Virtual gpio mapping driver > +jnx,i2cs-fan-hwmon : hwmon driver for fan trays > +jnx,i2c-mux-i2cs : I2C Mux driver for FPC FRUs > +jnx,leds-i2cs : Led driver > + > +All these optional nodes are described in their respective binding > +documents. > + > +Example node: > + > +i2cs@54 { > + compatible = "jnx,i2cs-fpc"; > + reg = <0x54>; > + #address-cells = <0>; > + #size-cells = <0>; > + > + fpc2_mux { Generic node names please. mux { > + compatible = "jnx,i2c-mux-i2cs"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + fpc2i2c0: i2c@0 { > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0>; > + }; > + }; > + > + fpc2_gpiomap: gpio-jnx-i2cs { gpio@54 { > + compatible = "jnx,gpio-i2cs"; > + reg = <0x54>; > + #gpio-cells = <2>; > + gpio-controller; > + interrupt-controller; > + > + /* > + * Map bits [0-3] of reg 0x21 as gpio inputs, bits [4-7] > + * as gpio outputs > + */ > + i2c-gpio-map = <0x21 0x0f>; > + }; > + > + leds-jnx-i2cs { leds { > + compatible = "jnx,leds-i2cs"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + sib8-active { > + reg = <0>; > + linux,default-trigger = "sib8-active"; > + }; > + }; > +}; > -- > 1.9.1 > -- 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