| Message ID | 20170120054100.902-2-matt@ranostay.consulting |
|---|---|
| State | Superseded, archived |
| Headers | show |
On 20/01/17 05:40, Matt Ranostay wrote: > Cc: devicetree@vger.kernel.org > Signed-off-by: Matt Ranostay <matt@ranostay.consulting> > --- > .../devicetree/bindings/iio/health/max30102.txt | 30 ++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/health/max30102.txt > > diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt > new file mode 100644 > index 000000000000..c93d1bb25597 > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/health/max30102.txt > @@ -0,0 +1,30 @@ > +Maxim MAX30102 heart rate and pulse oximeter sensor > + > +* https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf > + > +Required properties: > + - compatible: must be "maxim,max30102" > + - reg: the I2C address of the sensor > + - interrupt-parent: should be the phandle for the interrupt controller > + - interrupts: the sole interrupt generated by the device > + > + Refer to interrupt-controller/interrupts.txt for generic > + interrupt client node bindings. > + > +Optional properties: > + - maxim,red-led-current-microamp: configuration for RED LED current > + - maxim,ir-led-current-microamp: configuration for IR LED current > + > + Note that each step is approximately 200 microamps, ranging from 0 uA to > + 50800 uA. Are these due to the hardware present, or are we looking at something that should be controllable from userspace? > + > +Example: > + > +max30100@57 { > + compatible = "maxim,max30102"; > + reg = <57>; > + maxim,red-led-current-microamp = <7000>; > + maxim,ir-led-current-microamp = <7000>; > + interrupt-parent = <&gpio1>; > + interrupts = <16 2>; > +}; > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Sun, Jan 22, 2017 at 4:22 AM, Jonathan Cameron <jic23@kernel.org> wrote: > On 20/01/17 05:40, Matt Ranostay wrote: >> Cc: devicetree@vger.kernel.org >> Signed-off-by: Matt Ranostay <matt@ranostay.consulting> >> --- >> .../devicetree/bindings/iio/health/max30102.txt | 30 ++++++++++++++++++++++ >> 1 file changed, 30 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/iio/health/max30102.txt >> >> diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt >> new file mode 100644 >> index 000000000000..c93d1bb25597 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/iio/health/max30102.txt >> @@ -0,0 +1,30 @@ >> +Maxim MAX30102 heart rate and pulse oximeter sensor >> + >> +* https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf >> + >> +Required properties: >> + - compatible: must be "maxim,max30102" >> + - reg: the I2C address of the sensor >> + - interrupt-parent: should be the phandle for the interrupt controller >> + - interrupts: the sole interrupt generated by the device >> + >> + Refer to interrupt-controller/interrupts.txt for generic >> + interrupt client node bindings. >> + >> +Optional properties: >> + - maxim,red-led-current-microamp: configuration for RED LED current >> + - maxim,ir-led-current-microamp: configuration for IR LED current >> + >> + Note that each step is approximately 200 microamps, ranging from 0 uA to >> + 50800 uA. > Are these due to the hardware present, or are we looking at something that should > be controllable from userspace? Generally you'd set this value based on the hardware application it is being used for.. namely if you had a plastic case or wristband that is affecting the signal.. >> + >> +Example: >> + >> +max30100@57 { >> + compatible = "maxim,max30102"; >> + reg = <57>; >> + maxim,red-led-current-microamp = <7000>; >> + maxim,ir-led-current-microamp = <7000>; >> + interrupt-parent = <&gpio1>; >> + interrupts = <16 2>; >> +}; >> > > -- > To unsubscribe from this list: send the line "unsubscribe linux-iio" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 24/01/17 22:16, Matt Ranostay wrote: > On Sun, Jan 22, 2017 at 4:22 AM, Jonathan Cameron <jic23@kernel.org> wrote: >> On 20/01/17 05:40, Matt Ranostay wrote: >>> Cc: devicetree@vger.kernel.org >>> Signed-off-by: Matt Ranostay <matt@ranostay.consulting> >>> --- >>> .../devicetree/bindings/iio/health/max30102.txt | 30 ++++++++++++++++++++++ >>> 1 file changed, 30 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/iio/health/max30102.txt >>> >>> diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt >>> new file mode 100644 >>> index 000000000000..c93d1bb25597 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/iio/health/max30102.txt >>> @@ -0,0 +1,30 @@ >>> +Maxim MAX30102 heart rate and pulse oximeter sensor >>> + >>> +* https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf >>> + >>> +Required properties: >>> + - compatible: must be "maxim,max30102" >>> + - reg: the I2C address of the sensor >>> + - interrupt-parent: should be the phandle for the interrupt controller >>> + - interrupts: the sole interrupt generated by the device >>> + >>> + Refer to interrupt-controller/interrupts.txt for generic >>> + interrupt client node bindings. >>> + >>> +Optional properties: >>> + - maxim,red-led-current-microamp: configuration for RED LED current >>> + - maxim,ir-led-current-microamp: configuration for IR LED current >>> + >>> + Note that each step is approximately 200 microamps, ranging from 0 uA to >>> + 50800 uA. >> Are these due to the hardware present, or are we looking at something that should >> be controllable from userspace? > > Generally you'd set this value based on the hardware application it is > being used for.. namely if you had a plastic case or wristband that is > affecting the signal.. Fair enough. > >>> + >>> +Example: >>> + >>> +max30100@57 { >>> + compatible = "maxim,max30102"; >>> + reg = <57>; >>> + maxim,red-led-current-microamp = <7000>; >>> + maxim,ir-led-current-microamp = <7000>; >>> + interrupt-parent = <&gpio1>; >>> + interrupts = <16 2>; >>> +}; >>> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-iio" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt new file mode 100644 index 000000000000..c93d1bb25597 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/health/max30102.txt @@ -0,0 +1,30 @@ +Maxim MAX30102 heart rate and pulse oximeter sensor + +* https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf + +Required properties: + - compatible: must be "maxim,max30102" + - reg: the I2C address of the sensor + - interrupt-parent: should be the phandle for the interrupt controller + - interrupts: the sole interrupt generated by the device + + Refer to interrupt-controller/interrupts.txt for generic + interrupt client node bindings. + +Optional properties: + - maxim,red-led-current-microamp: configuration for RED LED current + - maxim,ir-led-current-microamp: configuration for IR LED current + + Note that each step is approximately 200 microamps, ranging from 0 uA to + 50800 uA. + +Example: + +max30100@57 { + compatible = "maxim,max30102"; + reg = <57>; + maxim,red-led-current-microamp = <7000>; + maxim,ir-led-current-microamp = <7000>; + interrupt-parent = <&gpio1>; + interrupts = <16 2>; +};
Cc: devicetree@vger.kernel.org Signed-off-by: Matt Ranostay <matt@ranostay.consulting> --- .../devicetree/bindings/iio/health/max30102.txt | 30 ++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/health/max30102.txt