1*c66ec88fSEmmanuel VadotTexas Instruments AFE4403 Heart rate and Pulse Oximeter 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot - compatible : Should be "ti,afe4403". 5*c66ec88fSEmmanuel Vadot - reg : SPI chip select address of device. 6*c66ec88fSEmmanuel Vadot - tx-supply : Regulator supply to transmitting LEDs. 7*c66ec88fSEmmanuel Vadot - interrupts : The interrupt line the device ADC_RDY pin is 8*c66ec88fSEmmanuel Vadot connected to. For details refer to, 9*c66ec88fSEmmanuel Vadot ../../interrupt-controller/interrupts.txt. 10*c66ec88fSEmmanuel Vadot 11*c66ec88fSEmmanuel VadotOptional properties: 12*c66ec88fSEmmanuel Vadot - reset-gpios : GPIO used to reset the device. 13*c66ec88fSEmmanuel Vadot For details refer to, ../../gpio/gpio.txt. 14*c66ec88fSEmmanuel Vadot 15*c66ec88fSEmmanuel VadotFor other required and optional properties of SPI slave nodes 16*c66ec88fSEmmanuel Vadotplease refer to ../../spi/spi-bus.txt. 17*c66ec88fSEmmanuel Vadot 18*c66ec88fSEmmanuel VadotExample: 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel Vadot&spi0 { 21*c66ec88fSEmmanuel Vadot heart_mon@0 { 22*c66ec88fSEmmanuel Vadot compatible = "ti,afe4403"; 23*c66ec88fSEmmanuel Vadot reg = <0>; 24*c66ec88fSEmmanuel Vadot spi-max-frequency = <10000000>; 25*c66ec88fSEmmanuel Vadot 26*c66ec88fSEmmanuel Vadot tx-supply = <&vbat>; 27*c66ec88fSEmmanuel Vadot 28*c66ec88fSEmmanuel Vadot interrupt-parent = <&gpio1>; 29*c66ec88fSEmmanuel Vadot interrupts = <28 IRQ_TYPE_EDGE_RISING>; 30*c66ec88fSEmmanuel Vadot 31*c66ec88fSEmmanuel Vadot reset-gpios = <&gpio1 16 GPIO_ACTIVE_LOW>; 32*c66ec88fSEmmanuel Vadot }; 33*c66ec88fSEmmanuel Vadot}; 34