leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

dts: am57xx-beagle-x15: disable UHS and HS200 support

Browse Source 
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>
This commit is contained in:
Jean-Jacques Hiblot 2018-01-30 16:01:50 +01:00 committed by Jaehoon Chung
parent 2adee41db9
commit 4db25fe7fa
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/dts/am57xx-beagle-x15.dts
View File

@ -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" */