| Message ID | 20161220055826.30725-1-icenowy@aosc.xyz (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Tue, Dec 20, 2016 at 01:58:26PM +0800, Icenowy Zheng wrote: > 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> Applied, thanks! Maxime
diff --git a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts index d18807f73060..b7ca916d871d 100644 --- a/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts +++ b/arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts @@ -92,6 +92,7 @@ wifi_pwrseq: wifi_pwrseq { compatible = "mmc-pwrseq-simple"; reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; + post-power-on-delay-ms = <200>; }; };
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> --- arch/arm/boot/dts/sun8i-h2-plus-orangepi-zero.dts | 1 + 1 file changed, 1 insertion(+)