arm64: dts: meson: libretech-cc: switch eMMC to 1.8v (ffab3fd6) · Commits · 戴 / test

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>

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

+7 −4

Original line number	Diff line number	Diff line
		@@ -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>;

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