From 535e58f17a765ecbd651913233f210b383676504 Mon Sep 17 00:00:00 2001 From: "Andrew F. Davis" Date: Tue, 2 Feb 2016 11:50:45 -0600 Subject: [PATCH] Documentation: afe4403: Add DT bindings for the AFE4403 heart monitor Add the TI AFE4403 heart monitor DT bindings documentation. Signed-off-by: Andrew F. Davis Signed-off-by: Jonathan Cameron --- .../bindings/iio/health/afe4403.txt | 34 +++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/health/afe4403.txt diff --git a/Documentation/devicetree/bindings/iio/health/afe4403.txt b/Documentation/devicetree/bindings/iio/health/afe4403.txt new file mode 100644 index 000000000000..2fffd70336ba --- /dev/null +++ b/Documentation/devicetree/bindings/iio/health/afe4403.txt @@ -0,0 +1,34 @@ +Texas Instruments AFE4403 Heart rate and Pulse Oximeter + +Required properties: + - compatible : Should be "ti,afe4403". + - reg : SPI chip select address of device. + - tx-supply : Regulator supply to transmitting LEDs. + - interrupt-parent : Phandle to he parent interrupt controller. + - interrupts : The interrupt line the device ADC_RDY pin is + connected to. For details refer to, + ../../interrupt-controller/interrupts.txt. + +Optional properties: + - reset-gpios : GPIO used to reset the device. + For details refer to, ../../gpio/gpio.txt. + +For other required and optional properties of SPI slave nodes +please refer to ../../spi/spi-bus.txt. + +Example: + +&spi0 { + heart_mon@0 { + compatible = "ti,afe4403"; + reg = <0>; + spi-max-frequency = <10000000>; + + tx-supply = <&vbat>; + + interrupt-parent = <&gpio1>; + interrupts = <28 IRQ_TYPE_EDGE_RISING>; + + reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>; + }; +}; -- 2.30.2