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ARM: dts: sun6i: sina31s: Switch to mmc3 for onboard eMMC 

According to Allwinner, only mmc3 supports 8 bit DDR transfers for eMMC.
Switch to mmc3 for the onboard eMMC, and also assign vqmmc for signal
voltage sensing, and "cap-mmc-hw-reset" to denote this instance can use
eMMC hardware reset.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
hifive-unleashed-5.1
Chen-Yu Tsai 2016-01-21 13:26:36 +08:00 committed by Maxime Ripard
parent a22f8b22a9
commit 9fc1db1b7e
1 changed files with 4 additions and 2 deletions
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6
arch/arm/boot/dts/sun6i-a31s-sina31s-core.dtsi
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@ -61,12 +61,14 @@
};
/* eMMC on core board */
&mmc2 {
&mmc3 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_8bit_emmc_pins>;
pinctrl-0 = <&mmc3_8bit_emmc_pins>;
vmmc-supply = <&reg_dcdc1>;
vqmmc-supply = <&reg_dcdc1>;
bus-width = <8>;
non-removable;
cap-mmc-hw-reset;
status = "okay";
};