Message ID | 1490272873-2532-2-git-send-email-jacopo+renesas@jmondi.org (mailing list archive) |
---|---|
State | Superseded |
Delegated to: | Geert Uytterhoeven |
Headers | show |
On Thu, Mar 23, 2017 at 1:41 PM, Jacopo Mondi <jacopo+renesas@jmondi.org> wrote: > Add device tree bindings documentation for Maxim max9611/max9612 current > sense amplifier. > > Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/max9611.txt > @@ -0,0 +1,27 @@ > +* Maxim max9611/max9612 current sense amplifier with 12-bits ADC interface > + > +Maxim max9611/max9612 is an high-side current sense amplifier with integrated > +12-bits ADC communicating over I2c bus. > +The device node for this driver shall be a child of a I2c controller. > + > +Required properties > + - compatible: Should be "maxim,max9611" or "maxim,max9612" > + - reg: The 7-bits long I2c address of the device > + - maxim,shunt-resistor-uohm: Resistor value, in uOhm, of the current sense > + shunt resistor. Isn't this sufficiently generic to drop the "maxim," prefix? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/Documentation/devicetree/bindings/iio/adc/max9611.txt b/Documentation/devicetree/bindings/iio/adc/max9611.txt new file mode 100644 index 0000000..aaaeec0 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/max9611.txt @@ -0,0 +1,27 @@ +* Maxim max9611/max9612 current sense amplifier with 12-bits ADC interface + +Maxim max9611/max9612 is an high-side current sense amplifier with integrated +12-bits ADC communicating over I2c bus. +The device node for this driver shall be a child of a I2c controller. + +Required properties + - compatible: Should be "maxim,max9611" or "maxim,max9612" + - reg: The 7-bits long I2c address of the device + - maxim,shunt-resistor-uohm: Resistor value, in uOhm, of the current sense + shunt resistor. + +Example: + +&i2c4 { + csa: max9611@7c { + compatible = "maxim,max9611"; + reg = <0x7c>; + + maxim,shunt-resistor-uohm = <5000>; + }; +}; + +This device node describes a current sense amplifier sitting on I2c4 bus +with address 0x7c (read address is 0xf9, write address is 0xf8). +A sense resistor of 0,005 Ohm is installed between RS+ and RS- +current-sensing inputs.
Add device tree bindings documentation for Maxim max9611/max9612 current sense amplifier. Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org> --- .../devicetree/bindings/iio/adc/max9611.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/max9611.txt