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ARM: dts: sun8i: add a delay after reset xr819 on Orange Pi Zero

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XR819 seems to need a delay after its reset line to be deasserted,
otherwise it may not respond MMC commands correctly, and fail to
initialize.

Add a 200ms delay in the mmc-pwrseq.

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Icenowy Zheng 2016-12-20 13:58:26 +08:00 committed by Maxime Ripard
parent 03749eb88e
commit b5fa16b620
1 changed files with 1 additions and 0 deletions
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arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts
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@ -92,6 +92,7 @@ reg_vcc_wifi: reg_vcc_wifi {
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>;
post-power-on-delay-ms = <200>;
};
};