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

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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>
[backport: change individual DTS files, no mr3420-v2 present]
(backported from commit 18c95c9d6ebea5cef1254ee917bff8aba993666d)
This commit is contained in:
Adrian Schmutzler 2020-01-30 14:59:25 +01:00
parent 085f38351f
commit 7cbd39421e
2 changed files with 16 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
target/linux/ath79/dts/ar9341_tplink_tl-wr841-v8.dts
View File

@ -22,9 +22,6 @@
compatible = "gpio-keys-polled";
poll-interval = <20>;
pinctrl-names = "default";
pinctrl-0 = <&jtag_disable_pins>;
reset {
label = "Reset";
linux,code = <KEY_RESTART>;
@ -96,7 +93,14 @@
};
&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>;
};
};
&spi {

12
target/linux/ath79/dts/ar9341_tplink_tl-wr842n-v2.dts
View File

@ -22,9 +22,6 @@
compatible = "gpio-keys-polled";
poll-interval = <20>;
pinctrl-names = "default";
pinctrl-0 = <&jtag_disable_pins>;
reset {
label = "Reset";
linux,code = <KEY_RESTART>;
@ -113,7 +110,14 @@
};
&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>;
};
};
&spi {