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arm64: dts: armada-3720-turris-mox: forbid SDR104 on SDIO for FCC purposes 

Use sdhci-caps-mask to forbid SDR104 mode on the SDIO capable SDHCI
controller. Without this the device cannot pass electromagnetic
interference certifications.

Fixes: 7109d817db ("arm64: dts: marvell: add DTS for Turris Mox")
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Cc: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
This commit is contained in:
Marek Behún 2020-05-01 01:11:44 +02:00 committed by Gregory CLEMENT
parent 11b2af36cc
commit 7a2c36b039
1 changed files with 2 additions and 0 deletions
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arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
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@ -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";
};