diff options
author | Andrew F. Davis <afd@ti.com> | 2016-02-02 11:50:45 -0600 |
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committer | Jonathan Cameron <jic23@kernel.org> | 2016-02-06 18:58:01 +0000 |
commit | 535e58f17a765ecbd651913233f210b383676504 (patch) | |
tree | 914cb322119dd33410f02af0cbcbde09b8701981 | |
parent | 87aec56e27efac98b7a0abe93258687716bf0b1e (diff) | |
download | linux-535e58f17a765ecbd651913233f210b383676504.tar.bz2 |
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 <afd@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
-rw-r--r-- | Documentation/devicetree/bindings/iio/health/afe4403.txt | 34 |
1 files changed, 34 insertions, 0 deletions
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>; + }; +}; |