git.openwrt.org Git - openwrt/staging/stintel.git/blob

   1 From da439eed06ff6806f22341ab0468226afc555305 Mon Sep 17 00:00:00 2001
   2 From: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
   3 Date: Thu, 29 Aug 2024 14:27:00 +0200
   4 Subject: [PATCH] arm64: dts: rockchip: add Mask Rom key on NanoPC-T6
   5
   6 Mask Rom key is connected to SARADC and can be read from OS.
   7
   8 Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
   9 Link: https://lore.kernel.org/r/20240829-friendlyelec-nanopc-t6-lts-v6-9-edff247e8c02@linaro.org
  10 Signed-off-by: Heiko Stuebner <heiko@sntech.de>
  11 ---
  12  .../arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 15 +++++++++++++++
  13  1 file changed, 15 insertions(+)
  14
  15 --- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
  16 +++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
  17 @@ -8,6 +8,7 @@
  18  /dts-v1/;
  19
  20  #include <dt-bindings/gpio/gpio.h>
  21 +#include <dt-bindings/input/input.h>
  22  #include <dt-bindings/pinctrl/rockchip.h>
  23  #include <dt-bindings/usb/pd.h>
  24  #include "rk3588.dtsi"
  25 @@ -21,6 +22,20 @@
  26                 mmc1 = &sdmmc;
  27         };
  28
  29 +       adc-keys-0 {
  30 +               compatible = "adc-keys";
  31 +               io-channels = <&saradc 0>;
  32 +               io-channel-names = "buttons";
  33 +               keyup-threshold-microvolt = <1800000>;
  34 +               poll-interval = <100>;
  35 +
  36 +               button-maskrom {
  37 +                       label = "Mask Rom";
  38 +                       linux,code = <KEY_SETUP>;
  39 +                       press-threshold-microvolt = <2000>;
  40 +               };
  41 +       };
  42 +
  43         chosen {
  44                 stdout-path = "serial2:1500000n8";
  45         };