On Thu, 05 Jul 2018, Matti Vaittinen wrote: > Document devicetree bindings for ROHM BD71837 PMIC MFD. > > Signed-off-by: Matti Vaittinen <matti.vaitti...@fi.rohmeurope.com> > Reviewed-by: Rob Herring <r...@kernel.org> > --- > .../devicetree/bindings/mfd/rohm,bd71837-pmic.txt | 67 > ++++++++++++++++++++++ > 1 file changed, 67 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt > > diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt > b/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt > new file mode 100644 > index 000000000000..67f2616288d9 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt > @@ -0,0 +1,67 @@ > +* ROHM BD71837 Power Management Integrated Circuit bindings > + > +BD71837MWV is a programmable Power Management IC for powering single-core, > +dual-core, and quad-core SoC’s such as NXP-i.MX 8M. It is optimized for
Nit: s/SOC's/SOCs/ > +low BOM cost and compact solution footprint. It integrates 8 Buck > +egulators and 7 LDO’s to provide all the power rails required by the SoC and Nit: s/LDO's/LDOs/ > +the commonly used peripherals. > + > +Datasheet for PMIC is available at: > +https://www.rohm.com/datasheet/BD71837MWV/bd71837mwv-e > + > +Required properties: > + - compatible : Should be "rohm,bd71837". > + - reg : I2C slave address. > + - interrupt-parent : Phandle to the parent interrupt controller. > + - interrupts : The interrupt line the device is connected to. > + - clocks : The parent clock connected to PMIC. If this is missng s/missng/missing/ > + 32768 KHz clock is assumed. > + - #clock-cells : Should be 0 > + - regulators: : List of child nodes that specify the > regulators By your convention, the bottom two entries are missing '.'s. > + Please see ../regulator/rohm,bd71837-regulator.txt > + > +Optional properties: > +- clock-output-names : Should contain name for output clock. > + > +Example: > + > + /* external oscillator node */ Uppercase character to start a sentence. > + osc: oscillator { > + compatible = "fixed-clock"; > + #clock-cells = <1>; > + clock-frequency = <32768>; > + clock-output-names = "osc"; > + }; > + > + /* PMIC node */ Is this comment really necessary? The node is called "pmic". > + pmic: pmic@4b { > + compatible = "rohm,bd71837"; > + reg = <0x4b>; > + interrupt-parent = <&gpio1>; > + interrupts = <29 GPIO_ACTIVE_LOW>; > + interrupt-names = "irq"; > + #clock-cells = <0>; > + clocks = <&osc 0>; > + clock-output-names = "bd71837-32k-out"; > + > + regulators { > + buck1: BUCK1 { > + regulator-name = "buck1"; > + regulator-min-microvolt = <700000>; > + regulator-max-microvolt = <1300000>; > + regulator-boot-on; > + regulator-ramp-delay = <1250>; > + }; > + /* ... */ > + }; > + }; > + > + /* Clock consumer node */ > + > + foo@0 { > + compatible = "bar,foo"; > + /* ... */ No need for this line. Additional properties are always expected. > + clock-names = "my-clock"; > + clocks = <&pmic>; > + }; Do you have a real example to give? -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
