GPIO pin mapping taken from NetGear NV+ v2 5.3.13 kernel sources[1] (see arch/arm/plat-feroceon/mv_hal/rtc/ext_rtc/usiLCD.c).
1. https://www.downloads.netgear.com/files/GPL/RND_5.3.13_WW.src.zip Signed-off-by: David Coles <coles.da...@gmail.com> --- .../boot/dts/kirkwood-netgear_readynas_nv+_v2.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts b/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts index 8cc8550242ef..a61b56f44ec7 100644 --- a/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts +++ b/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts @@ -184,6 +184,20 @@ gpios = <&gpio0 30 GPIO_ACTIVE_LOW>; }; + auxdisplay { + compatible = "hit,hd44780"; + data-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>, + <&gpio1 1 GPIO_ACTIVE_HIGH>, + <&gpio1 3 GPIO_ACTIVE_HIGH>, + <&gpio1 17 GPIO_ACTIVE_HIGH>; + enable-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; + rs-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>; + rw-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>; + backlight-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>; + display-height-chars = <2>; + display-width-chars = <16>; + }; + regulators { compatible = "simple-bus"; #address-cells = <1>; -- 2.17.1
