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* [PATCH] arm64: dts: rockchip: Add maskrom button to R5S + R5C
@ 2025-07-16  8:33 ` Diederik de Haas
  0 siblings, 0 replies; 4+ messages in thread
From: Diederik de Haas @ 2025-07-16  8:33 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Heiko Stuebner
  Cc: Dragan Simic, Johan Jonker, devicetree, linux-arm-kernel,
	linux-rockchip, linux-kernel, Diederik de Haas

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>
---
 .../arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

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 @@ chosen: chosen {
 		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";
-- 
2.50.0



^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH] arm64: dts: rockchip: Add maskrom button to R5S + R5C
@ 2025-07-16  8:33 ` Diederik de Haas
  0 siblings, 0 replies; 4+ messages in thread
From: Diederik de Haas @ 2025-07-16  8:33 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Heiko Stuebner
  Cc: Dragan Simic, Johan Jonker, devicetree, linux-arm-kernel,
	linux-rockchip, linux-kernel, Diederik de Haas

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>
---
 .../arm64/boot/dts/rockchip/rk3568-nanopi-r5s.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

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 @@ chosen: chosen {
 		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";
-- 
2.50.0


_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* Re: [PATCH] arm64: dts: rockchip: Add maskrom button to R5S + R5C
  2025-07-16  8:33 ` Diederik de Haas
@ 2025-07-17  8:55   ` Heiko Stuebner
  -1 siblings, 0 replies; 4+ messages in thread
From: Heiko Stuebner @ 2025-07-17  8:55 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Diederik de Haas
  Cc: Heiko Stuebner, Dragan Simic, Johan Jonker, devicetree,
	linux-arm-kernel, linux-rockchip, linux-kernel


On Wed, 16 Jul 2025 10:33:35 +0200, Diederik de Haas wrote:
> 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'.
> 
> 

Applied, thanks!

And added a NanoPi before the "R5S + R5C"

[1/1] arm64: dts: rockchip: Add maskrom button to R5S + R5C
      commit: 07e04c071a35abe12957b575cd1453ccafc02eb6

Best regards,
-- 
Heiko Stuebner <heiko@sntech.de>


^ permalink raw reply	[flat|nested] 4+ messages in thread
* Re: [PATCH] arm64: dts: rockchip: Add maskrom button to R5S + R5C
@ 2025-07-17  8:55   ` Heiko Stuebner
  0 siblings, 0 replies; 4+ messages in thread
From: Heiko Stuebner @ 2025-07-17  8:55 UTC (permalink / raw)
  To: Rob Herring, Krzysztof Kozlowski, Conor Dooley, Diederik de Haas
  Cc: Heiko Stuebner, Dragan Simic, Johan Jonker, devicetree,
	linux-arm-kernel, linux-rockchip, linux-kernel


On Wed, 16 Jul 2025 10:33:35 +0200, Diederik de Haas wrote:
> 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'.
> 
> 

Applied, thanks!

And added a NanoPi before the "R5S + R5C"

[1/1] arm64: dts: rockchip: Add maskrom button to R5S + R5C
      commit: 07e04c071a35abe12957b575cd1453ccafc02eb6

Best regards,
-- 
Heiko Stuebner <heiko@sntech.de>

_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

^ permalink raw reply	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2025-07-17  9:23 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-07-16  8:33 [PATCH] arm64: dts: rockchip: Add maskrom button to R5S + R5C Diederik de Haas
2025-07-16  8:33 ` Diederik de Haas
2025-07-17  8:55 ` Heiko Stuebner
2025-07-17  8:55   ` Heiko Stuebner

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