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Diffstat (limited to 'Documentation/devicetree/bindings/iio/health')
3 files changed, 72 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 000000000..2fffd7033 --- /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>; + }; +}; diff --git a/Documentation/devicetree/bindings/iio/health/afe4404.txt b/Documentation/devicetree/bindings/iio/health/afe4404.txt new file mode 100644 index 000000000..de69f203e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/health/afe4404.txt @@ -0,0 +1,30 @@ +Texas Instruments AFE4404 Heart rate and Pulse Oximeter + +Required properties: + - compatible : Should be "ti,afe4404". + - reg : I2C address of the 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. + +Example: + +&i2c2 { + heart_mon@58 { + compatible = "ti,afe4404"; + reg = <0x58>; + + tx-supply = <&vbat>; + + interrupt-parent = <&gpio1>; + interrupts = <28 IRQ_TYPE_EDGE_RISING>; + + reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>; + }; +}; diff --git a/Documentation/devicetree/bindings/iio/health/max30100.txt b/Documentation/devicetree/bindings/iio/health/max30100.txt index f6fbac66a..295a9edfa 100644 --- a/Documentation/devicetree/bindings/iio/health/max30100.txt +++ b/Documentation/devicetree/bindings/iio/health/max30100.txt @@ -11,11 +11,19 @@ Required properties: Refer to interrupt-controller/interrupts.txt for generic interrupt client node bindings. +Optional properties: + - maxim,led-current-microamp: configuration for LED current in microamperes + while the engine is running. First indexed value is the configuration for + the RED LED, and second value is for the IR LED. + + Refer to the datasheet for the allowed current values. + Example: max30100@057 { compatible = "maxim,max30100"; reg = <57>; + maxim,led-current-microamp = <24000 50000>; interrupt-parent = <&gpio1>; interrupts = <16 2>; }; |