Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.7 048/388] arm64: dts: armada-3720-turris-mox: forbid SDR104 on SDIO for FCC purposes | Date | Wed, 17 Jun 2020 21:02:25 -0400 |
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From: Marek Behún <marek.behun@nic.cz>
[ Upstream commit 7a2c36b039d2343cc29fec6102da839477b8dc60 ]
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 <marek.behun@nic.cz> Cc: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 bb42d1e6a4e9..47fee66c70cb 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts @@ -179,6 +179,8 @@ &sdhci1 { marvell,pad-type = "sd"; vqmmc-supply = <&vsdio_reg>; mmc-pwrseq = <&sdhci1_pwrseq>; + /* forbid SDR104 for FCC purposes */ + sdhci-caps-mask = <0x2 0x0>; status = "okay"; }; -- 2.25.1
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