apm821xx: detect sd-card media changes for the WNDR4700

The insertion or removal of the sd-card cannot be detected
by the hardware itself. This is by design. To workaround this,
for the WNDR4700 unload/load the dwc2 module in case the
the special SD CARD GPIO line is low/high.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Christian Lamparter 8 years ago committed by John Crispin
parent 1974ad5a96
commit f7c1d9c8a5
  1. 19
      target/linux/apm821xx/base-files/etc/rc.button/BTN_1
  2. 2
      target/linux/apm821xx/dts/wndr4700.dts

@ -0,0 +1,19 @@
#!/bin/sh
. /lib/functions.sh
. /lib/apm821xx.sh
BOARD=$(apm821xx_board_name)
if [ $BOARD == "wndr4700" ]; then
case "$ACTION" in
released)
rmmod dwc2
;;
pressed)
modprobe dwc2
;;
esac
fi
return 0

@ -432,7 +432,7 @@
sdcard {
label = "SDCard inserted";
gpios = <&GPIO0 7 0>;
gpios = <&GPIO0 7 1>;
linux,code = <0x101>; /* BTN_1 */
};
};

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