[PATCH v1 2/2] arm64: dts: imx8mm-var-som-symphony: keep RGB_SEL low

Stefano Radaelli stefano.radaelli21 at gmail.com
Wed Jun 3 15:54:00 PDT 2026


From: Stefano Radaelli <stefano.r at variscite.com>

Keep the RGB_SEL line driven low on the Symphony carrier board.

This avoids leaving the line floating and ensures the board remains in
the expected display configuration.

Signed-off-by: Stefano Radaelli <stefano.r at variscite.com>
---
 arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
index 090752014ee2..fd0a1862ce90 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
@@ -168,6 +168,14 @@ pca6408: gpio at 21 {
 		reg = <0x21>;
 		gpio-controller;
 		#gpio-cells = <2>;
+
+		/* RGB_SEL */
+		lvds-brg-enable-hog {
+			gpio-hog;
+			gpios = <7 GPIO_ACTIVE_HIGH>;
+			output-low;
+			line-name = "rgb_sel";
+		};
 	};
 
 	st33ktpm2xi2c: tpm at 2e {
-- 
2.47.3




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