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| author | Noralf Trønnes <noralf@tronnes.org> | 2017-06-08 17:14:33 +0200 |
|---|---|---|
| committer | Noralf Trønnes <noralf@tronnes.org> | 2017-07-14 19:29:33 +0200 |
| commit | 7f0dc77772821e7889f945105689bf2b67587bfe (patch) | |
| tree | accb444ac5e726df0595fa365b7c6e48671e63c8 | |
| parent | d432d6922b1e68f051cf80c66111787fac5ca4a6 (diff) | |
| download | linux-7f0dc77772821e7889f945105689bf2b67587bfe.tar.gz linux-7f0dc77772821e7889f945105689bf2b67587bfe.tar.bz2 linux-7f0dc77772821e7889f945105689bf2b67587bfe.zip | |
dt-bindings: Add Pervasive Displays RePaper bindings
Add device-tree binding documentation for the 1.44", 1.9", 2.0" and 2.7"
display panels.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1496934875-51984-3-git-send-email-noralf@tronnes.org
| -rw-r--r-- | Documentation/devicetree/bindings/display/repaper.txt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/repaper.txt b/Documentation/devicetree/bindings/display/repaper.txt new file mode 100644 index 000000000000..f5f9f9cf6a25 --- /dev/null +++ b/Documentation/devicetree/bindings/display/repaper.txt @@ -0,0 +1,52 @@ +Pervasive Displays RePaper branded e-ink displays + +Required properties: +- compatible: "pervasive,e1144cs021" for 1.44" display + "pervasive,e1190cs021" for 1.9" display + "pervasive,e2200cs021" for 2.0" display + "pervasive,e2271cs021" for 2.7" display + +- panel-on-gpios: Timing controller power control +- discharge-gpios: Discharge control +- reset-gpios: RESET pin +- busy-gpios: BUSY pin + +Required property for e2271cs021: +- border-gpios: Border control + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in ../spi/spi-bus.txt must be specified. + +Optional property: +- pervasive,thermal-zone: name of thermometer's thermal zone + +Example: + + display_temp: lm75@48 { + compatible = "lm75b"; + reg = <0x48>; + #thermal-sensor-cells = <0>; + }; + + thermal-zones { + display { + polling-delay-passive = <0>; + polling-delay = <0>; + thermal-sensors = <&display_temp>; + }; + }; + + papirus27@0{ + compatible = "pervasive,e2271cs021"; + reg = <0>; + + spi-max-frequency = <8000000>; + + panel-on-gpios = <&gpio 23 0>; + border-gpios = <&gpio 14 0>; + discharge-gpios = <&gpio 15 0>; + reset-gpios = <&gpio 24 0>; + busy-gpios = <&gpio 25 0>; + + pervasive,thermal-zone = "display"; + }; |