| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | Pervasive Displays RePaper branded e-ink displays |
| 2 | |
| 3 | Required 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 | |
| 14 | Required property for e2271cs021: |
| 15 | - border-gpios: Border control |
| 16 | |
| 17 | The node for this driver must be a child node of a SPI controller, hence |
| 18 | all mandatory properties described in ../spi/spi-bus.txt must be specified. |
| 19 | |
| 20 | Optional property: |
| 21 | - pervasive,thermal-zone: name of thermometer's thermal zone |
| 22 | |
| 23 | Example: |
| 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 | }; |