From: Marek Behún <[email protected]>
[ 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 <[email protected]>
Cc: Gregory CLEMENT <[email protected]>
Signed-off-by: Gregory CLEMENT <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
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 5f350cc71a2fd..01f66056d7d51 100644
--- a/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-turris-mox.dts
@@ -171,6 +171,8 @@
marvell,pad-type = "sd";
vqmmc-supply = <&vsdio_reg>;
mmc-pwrseq = <&sdhci1_pwrseq>;
+ /* forbid SDR104 for FCC purposes */
+ sdhci-caps-mask = <0x2 0x0>;
status = "okay";
};
--
2.25.1
