From 7a2c36b039d2343cc29fec6102da839477b8dc60 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Beh=C3=BAn?= Date: Fri, 1 May 2020 01:11:44 +0200 Subject: [PATCH] arm64: dts: armada-3720-turris-mox: forbid SDR104 on SDIO for FCC purposes MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Use sdhci-caps-mask to forbid SDR104 mode on the SDIO capable SDHCI controller. Without this the device cannot pass electromagnetic interference certifications. Fixes: 7109d817db2e ("arm64: dts: marvell: add DTS for Turris Mox") Signed-off-by: Marek Behún Cc: Gregory CLEMENT Signed-off-by: Gregory CLEMENT --- arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts index 4cc735899c5d..d47be95ad06a 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -173,6 +173,8 @@ marvell,pad-type = "sd"; vqmmc-supply = <&vsdio_reg>; mmc-pwrseq = <&sdhci1_pwrseq>; + /* forbid SDR104 for FCC purposes */ + sdhci-caps-mask = <0x2 0x0>; status = "okay"; };