diff options
| author | Diederik de Haas <didi.debian@cknow.org> | 2025-07-16 10:33:35 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2025-07-17 10:52:16 +0200 |
| commit | 07e04c071a35abe12957b575cd1453ccafc02eb6 (patch) | |
| tree | b87c1fc774496f8f6a88694e2d791c958be39ba6 | |
| parent | b2501f327b8a136dbdd1fe7bad5d113eeda2827a (diff) | |
arm64: dts: rockchip: Add maskrom button to NanoPi R5S + R5C
Both the R5S and R5C have a MASKROM button connected via saradc.
For both the R5S as the R5C it's described on page 9 of their
respective schematic, identified as 'Recovery'.
Signed-off-by: Diederik de Haas <didi.debian@cknow.org>
Link: https://lore.kernel.org/r/20250716083355.327451-1-didi.debian@cknow.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
| -rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi index f4d042bdd328..e3f44ea4eabe 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi @@ -25,6 +25,20 @@ stdout-path = "serial2:1500000n8"; }; + adc-keys { + compatible = "adc-keys"; + io-channels = <&saradc 0>; + io-channel-names = "buttons"; + keyup-threshold-microvolt = <1800000>; + poll-interval = <100>; + + button-maskrom { + label = "MASKROM"; + linux,code = <KEY_SETUP>; + press-threshold-microvolt = <0>; + }; + }; + hdmi-con { compatible = "hdmi-connector"; type = "a"; |