| Message ID | 1475853451-22121-3-git-send-email-pantelis.antoniou@konsulko.com |
|---|---|
| State | Not Applicable |
| Headers | show |
On Fri, Oct 07, 2016 at 06:17:23PM +0300, Pantelis Antoniou wrote: > From: Georgi Vlaev <gvlaev@juniper.net> > > Add DT bindings document for the PTXPMB CPLD MFD device. > > Signed-off-by: Georgi Vlaev <gvlaev@juniper.net> > [Ported from Juniper kernel] > Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com> > --- > .../devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt | 76 ++++++++++++++++++++++ > 1 file changed, 76 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt > > diff --git a/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt > new file mode 100644 > index 0000000..cc3cbb9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt > @@ -0,0 +1,76 @@ > +* Device tree bindings for Juniper's PTXPMB CPLD FPGA MFD driver > + > +The device supports a number I2C muxes, hardware watchdog and a gpio block. > +Those devices bindings are described in the jnx-i2c-mux-ptxpmb-cpld, > +jnx-ptxpmb-wdt and jnx-gpio-ptxpmb-cpld documents. > + > +Required properties: > + > +- compatible: "jnx,ptxpmb-cpld", "jnx,ngpmb-bcpld". They differ bcpld? looks like a typo? > + in the i2c-mux blocks. > + > +- reg: contains offset/length value for device state control > + registers space. > + > +Optional properties: > + > +- interrupts: The interrupt line(s) the /IRQ signal(s) for the device is > + connected to. > + > +- interrupt-parent: The parent interrupt controller. > + > +Example: > + > +cpld@0,0 { What bus is this on? If just simple-bus, then just '...@0' > + compatible = "jnx,ptxpmb-cpld"; > + reg = <0x0 0 0x10000>;
diff --git a/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt new file mode 100644 index 0000000..cc3cbb9 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/jnx-ptxpmb-cpld.txt @@ -0,0 +1,76 @@ +* Device tree bindings for Juniper's PTXPMB CPLD FPGA MFD driver + +The device supports a number I2C muxes, hardware watchdog and a gpio block. +Those devices bindings are described in the jnx-i2c-mux-ptxpmb-cpld, +jnx-ptxpmb-wdt and jnx-gpio-ptxpmb-cpld documents. + +Required properties: + +- compatible: "jnx,ptxpmb-cpld", "jnx,ngpmb-bcpld". They differ + in the i2c-mux blocks. + +- reg: contains offset/length value for device state control + registers space. + +Optional properties: + +- interrupts: The interrupt line(s) the /IRQ signal(s) for the device is + connected to. + +- interrupt-parent: The parent interrupt controller. + +Example: + +cpld@0,0 { + compatible = "jnx,ptxpmb-cpld"; + reg = <0x0 0 0x10000>; + + cpld-i2c-mux { + compatible = "jnx,i2c-mux-ptxpmb-cpld"; + #address-cells = <1>; + #size-cells = <0>; + + i2c-parent = <&i2c_master_0>; + + num-enable = <1>; + + i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + + /* PMB devices are accessed through FPC */ + + temp-sensor@1a { /* FPC */ + compatible = "maxim,max6697"; + reg = <0x1a>; + smbus-timeout-disable; + resistance-cancellation; + alert-mask = <0xff>; + over-temperature-mask = <0xff>; + }; + }; + + pic0i2c: i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + + /* PIC 0 */ + }; + + pic1i2c: i2c@2 { + reg = <2>; + #address-cells = <1>; + #size-cells = <0>; + + /* PIC 1 */ + }; + }; + + gpio_cpld: cpld_gpio { + compatible = "jnx,gpio-ptxpmb-cpld"; + #gpio-cells = <2>; + gpio-controller; + }; +};