From 4db25fe7fa0e68196cf3a89dae7f9632aecb3abd Mon Sep 17 00:00:00 2001
From: Jean-Jacques Hiblot <jjhiblot@ti.com>
Date: Tue, 30 Jan 2018 16:01:50 +0100
Subject: [PATCH] dts: am57xx-beagle-x15: disable UHS and HS200 support
The UHS modes are not supported in beagle-x15 because it's not possible to
switch the IO lines supply voltage to 1.8v.
Also HS200 cannot be supported on mmc2, because the IO lines of mmc2 are
connected to 3.3v.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
---
arch/arm/dts/am57xx-beagle-x15.dts | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/dts/am57xx-beagle-x15.dts b/arch/arm/dts/am57xx-beagle-x15.dts
index d6689106d2..8d9bdf10a7 100644
--- a/arch/arm/dts/am57xx-beagle-x15.dts
+++ b/arch/arm/dts/am57xx-beagle-x15.dts
@@ -25,6 +25,11 @@
pinctrl-1 = <&mmc1_pins_hs>;
vmmc-supply = <&ldo1_reg>;
+ /delete-property/ sd-uhs-sdr104;
+ /delete-property/ sd-uhs-sdr50;
+ /delete-property/ sd-uhs-ddr50;
+ /delete-property/ sd-uhs-sdr25;
+ /delete-property/ sd-uhs-sdr12;
};
&mmc2 {
@@ -32,6 +37,7 @@
pinctrl-0 = <&mmc2_pins_default>;
pinctrl-1 = <&mmc2_pins_hs>;
pinctrl-2 = <&mmc2_pins_ddr_3_3v_rev11 &mmc2_iodelay_ddr_3_3v_rev11_conf>;
+ /delete-property/ mmc-hs200-1_8v;
};
/* errata i880 "Ethernet RGMII2 Limited to 10/100 Mbps" */
--
2.39.5