linux-kernel - [PATCH RESEND 1/9] arm64: dts: marvell: samsung,coreprimevelte: Add backlight

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Message-Id: <20250913-pxa1908-dts-v1-1-8120cdc969b8@dujemihanovic.xyz>
Date: Sat, 13 Sep 2025 23:21:03 +0200
From: Duje Mihanović <dujemihanovic32@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Kees Cook <kees@...nel.org>, 
 Tony Luck <tony.luck@...el.com>, 
 "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc: Karel Balej <balejk@...fyz.cz>, David Wronek <david@...nlining.org>, 
 phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, 
 Duje Mihanović <duje@...emihanovic.xyz>
Subject: [PATCH RESEND 1/9] arm64: dts: marvell: samsung,coreprimevelte:
 Add backlight

From: Duje Mihanović <duje@...emihanovic.xyz>

Add a node for the KTD2801 backlight chip found on the board.

Signed-off-by: Duje Mihanović <duje@...emihanovic.xyz>
---
 arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index 47a4f01a7077bfafe2cc50d0e59c37685ec9c2e9..b9628b1f59f2f749804799e3d9faa48e3036e81a 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -115,6 +115,12 @@ key-voldown {
 			gpios = <&gpio 17 GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	backlight {
+		compatible = "kinetic,ktd2801";
+		ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>;
+		max-brightness = <210>;
+	};
 };

 &smmu {

-- 
2.51.0