| Message ID | 20190418122714.30805-3-jbrunet@baylibre.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: meson: mmc clean-up | expand |
On Thu, Apr 18, 2019 at 2:27 PM Jerome Brunet <jbrunet@baylibre.com> wrote: > > 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> (I don't have an eMMC module for my Libretech-CC so I can't add a Tested-by)
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>;
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> --- .../boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)