From 95f5bc1632ab8f243e517357b5da0dd28d1c6c92 Mon Sep 17 00:00:00 2001 From: Frieder Schrempf Date: Wed, 13 May 2026 15:25:31 +0200 Subject: [PATCH] arm64: dts: imx8mp-kontron: Reduce EERAM SPI clock frequency There is an onboard level shifter for the SPI signals that causes additional propagation delay and renders the SPI transmission unreliable at 20 MHz. Reduce the clock frequency to a safe value. Fixes: 946ab10e3f40 ("arm64: dts: Add support for Kontron OSM-S i.MX8MP SoM and BL carrier board") Signed-off-by: Frieder Schrempf Signed-off-by: Frank Li --- arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts b/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts index 0924ac50fd2d..75ae46642782 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-kontron-bl-osm-s.dts @@ -63,7 +63,7 @@ &ecspi2 { eeram@0 { compatible = "microchip,48l640"; reg = <0>; - spi-max-frequency = <20000000>; + spi-max-frequency = <16000000>; }; };