1Pervasive Displays RePaper branded e-ink displays 2 3Required properties: 4- compatible: "pervasive,e1144cs021" for 1.44" display 5 "pervasive,e1190cs021" for 1.9" display 6 "pervasive,e2200cs021" for 2.0" display 7 "pervasive,e2271cs021" for 2.7" display 8 9- panel-on-gpios: Timing controller power control 10- discharge-gpios: Discharge control 11- reset-gpios: RESET pin 12- busy-gpios: BUSY pin 13 14Required property for e2271cs021: 15- border-gpios: Border control 16 17The node for this driver must be a child node of a SPI controller, hence 18all mandatory properties described in ../spi/spi-bus.txt must be specified. 19 20Optional property: 21- pervasive,thermal-zone: name of thermometer's thermal zone 22 23Example: 24 25 display_temp: lm75@48 { 26 compatible = "lm75b"; 27 reg = <0x48>; 28 #thermal-sensor-cells = <0>; 29 }; 30 31 thermal-zones { 32 display { 33 polling-delay-passive = <0>; 34 polling-delay = <0>; 35 thermal-sensors = <&display_temp>; 36 }; 37 }; 38 39 papirus27@0{ 40 compatible = "pervasive,e2271cs021"; 41 reg = <0>; 42 43 spi-max-frequency = <8000000>; 44 45 panel-on-gpios = <&gpio 23 0>; 46 border-gpios = <&gpio 14 0>; 47 discharge-gpios = <&gpio 15 0>; 48 reset-gpios = <&gpio 24 0>; 49 busy-gpios = <&gpio 25 0>; 50 51 pervasive,thermal-zone = "display"; 52 }; 53