UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

arm64: dts: meson: libretech-cc: switch eMMC to 1.8v 

While some 3.3v eMMC 4.0 are available from libretech, Only the 1.8v 5.0
modules are recommended and supported for the aml-s905x-cc.

the 1.8v is provided by LDOs on the eMMC card, from vcc 3.3v

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2019-04-18 14:27:10 +02:00 committed by Kevin Hilman
parent 9f72e321d5
commit ffab3fd6ae
1 changed files with 7 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
View File

@ -115,11 +115,13 @@
regulator-max-microvolt = <1800000>;
};
/* This is provided by LDOs on the eMMC daugther card */
vddio_boot: regulator-vddio_boot {
compatible = "regulator-fixed";
regulator-name = "VDDIO_BOOT";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&vcc_3v3>;
};
};
@ -253,8 +255,9 @@
bus-width = <8>;
cap-mmc-highspeed;
mmc-ddr-3_3v;
max-frequency = <50000000>;
mmc-ddr-1_8v;
mmc-hs200-1_8v;
max-frequency = <200000000>;
disable-wp;
mmc-pwrseq = <&emmc_pwrseq>;