Jonathan On 11/08/2014 05:48 AM, Jonathan Cameron wrote: > On 06/11/14 15:18, Dan Murphy wrote: >> Add the TI afe4403 heart monitor device tree >> binding documentation. heart_monitors directory >> created under iio. >> >> Signed-off-by: Dan Murphy <dmurphy@xxxxxx> > As a device tree binding this MUST go to the device tree list > and maintainers. Cc'd. Yeah forgot to add the list > > I suspect from my review of the driver that there will be a > whole load more stuff to go in here... > >> --- >> >> v2 - Updated per v1 comments - http://marc.info/?l=linux-iio&m=141331404132215&w=2 >> >> .../bindings/iio/heart_monitor/ti_afe4403.txt | 23 ++++++++++++++++++++++ >> 1 file changed, 23 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/iio/heart_monitor/ti_afe4403.txt >> >> diff --git a/Documentation/devicetree/bindings/iio/heart_monitor/ti_afe4403.txt b/Documentation/devicetree/bindings/iio/heart_monitor/ti_afe4403.txt >> new file mode 100644 >> index 0000000..cf75b5a >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/iio/heart_monitor/ti_afe4403.txt >> @@ -0,0 +1,23 @@ >> +* Texas Instruments - AFE4403 Heart rate and Pulse Oximeter >> + >> +The device consists of a low-noise receiver channel >> +with an integrated analog-to-digital converter (ADC), >> +an LED transmit section, and diagnostics for sensor and LED fault detection. >> + >> +Required properties: >> + - compatible: Must contain "ti,afe4403". >> + - ste-gpio: GPIO for the spi control line >> + - data-ready-gpio: GPIO interrupt when the afe4403 has data > Does this actually need to be a gpio? Doesn't look like it from the driver. > As such should be handled as a generic interrupt both here and in the driver. Well in my setup I connected the data-ready output of the device to a GPIO and I need to tell the driver which GPIO to use. Not sure how else to route the signal from the device to a SoC. > >> + - led-supply: Chip supply to the device >> + >> +Optional properties: >> + - reset-gpio: GPIO used to reset the device via HW >> + >> +Example: >> + >> +&heart_rate { >> + compatible = "ti,afe4403"; >> + ste-gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>; >> + data-ready-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>; >> + led-supply = <&vbat>; >> +}; >> -- ------------------ Dan Murphy -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
