And thanks again Lee! On Thu, Jul 05, 2018 at 10:24:44AM +0100, Lee Jones wrote: > On Thu, 05 Jul 2018, Matti Vaittinen wrote: > > > Document devicetree bindings for ROHM BD71837 PMIC MFD. > > > > Signed-off-by: Matti Vaittinen <[email protected]> > > Reviewed-by: Rob Herring <[email protected]> > > --- > > .../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/
I'll change this. > > +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/ I'll change this. > > +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/ I'll change this. > > + 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. I'll change this. > > + 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. I'll change this. > > + 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". I'll remove this. > > + 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. I'll remove this. > > + clock-names = "my-clock"; > > + clocks = <&pmic>; > > + }; > > Do you have a real example to give? For clock consumer? Sorry, no I don't. Br, Matti Vaittinen > -- > Lee Jones [李琼斯] > Linaro Services Technical Lead > Linaro.org │ Open source software for ARM SoCs > Follow Linaro: Facebook | Twitter | Blog
