From: Frieder Schrempf Date: Wed, 13 May 2026 13:25:31 +0000 (+0200) Subject: arm64: dts: imx8mp-kontron: Reduce EERAM SPI clock frequency X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95f5bc1632ab8f243e517357b5da0dd28d1c6c92;p=thirdparty%2Flinux.git 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 --- 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 @@ eeram@0 { compatible = "microchip,48l640"; reg = <0>; - spi-max-frequency = <20000000>; + spi-max-frequency = <16000000>; }; };