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>

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 d4d5e3e5439d4352568c082e8a56e8764b5f466f..b0f22cdb586c9b414cd41e78f13ddce3fbc332a6 100644 (file)
--- 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>;