diff options
| author | Jerome Brunet <jbrunet@baylibre.com> | 2019-04-18 14:27:10 +0200 |
|---|---|---|
| committer | Kevin Hilman <khilman@baylibre.com> | 2019-05-21 10:58:40 -0700 |
| commit | ffab3fd6ae009b10f850a361d6b3a12df0980524 (patch) | |
| tree | 091250bf0a7fecf96710729a37b1a2e4e02ba323 /arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts | |
| parent | 9f72e321d5506fe3e162a6308a4a295d7f10bb5d (diff) | |
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>
Diffstat (limited to 'arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts')
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts index d4d5e3e5439d..b0f22cdb586c 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts @@ -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>; |