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ath79: add gpio4 pinmux on TL-WR841N/ND v8, WR842N v2, MR3420 v2 

This adds a pinmux to the shared DTSI for TP-Link TL-WR841N/ND v8,
TL-WR842N v2 and TL-MR3420 v2. It is supposed to be the equivalent
of:

/* config gpio4 as normal gpio function */
ath79_gpio_output_select(TL_MR3420V2_GPIO_USB_POWER,AR934X_GPIO_OUT_GPIO);

This allows to enable USB power on these devices.

While at it, move the jtag_disable_pins to &gpio node and remove the
redundant status=okay there.

Tested on TP-Link TL-WR842N v2.

Fixes: FS#2753

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Tested-by: Armin Fuerst <armin@fuerst.priv.at>
This commit is contained in:
Adrian Schmutzler 2020-01-30 14:59:25 +01:00
parent dc145de4be
commit 18c95c9d6e
1 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
target/linux/ath79/dts/ar9341_tplink.dtsi
View File

@ -18,9 +18,6 @@
keys: keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&jtag_disable_pins>;
rfkill {
label = "WiFi";
linux,code = <KEY_RFKILL>;
@ -85,7 +82,14 @@
};
&gpio {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&jtag_disable_pins &pmx_usb_power>;
};
&pinmux {
pmx_usb_power: usb_power {
pinctrl-single,bits = <0x4 0x0 0xff>;
};
};
&eth0 {