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ARM: dts: sun8i: Add wifi dt node on Orangepi Plus boards

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The Orangepi Plus and Orangepi Plus 2 have a realtek rtl8189etv sdio
wifi chip. This commit adds a device-tree node to power it up, so
that the mmc subsys can scan it, and enables the mmc controller which
is connected to it.

Note that this just makes the wifi controller show up as a sdio device.
In order for it to work a compatible sdio driver is necessary, an out
of tree driver is available here:
https://github.com/jwrdegoede/rtl8189ES_linux/

Binding the driver is not done through device tree, but through sdio
vendor- and device-id, so it can safely be enabled in devicetree
without having a driver upstream yet.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Hans de Goede 2016-03-20 17:00:35 +01:00 committed by Maxime Ripard
parent 99f9483ab4
commit 4bf89c1dc6
1 changed files with 24 additions and 0 deletions
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24
arch/arm/boot/dts/sun8i-h3-orangepi-plus.dts
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@ -102,6 +102,13 @@
enable-active-high;
gpio = <&pio 6 11 GPIO_ACTIVE_HIGH>;
};
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
pinctrl-names = "default";
pinctrl-0 = <&wifi_pwrseq_pin_orangepi>;
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 WIFI_EN */
};
};
&ehci1 {
@ -150,6 +157,13 @@
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
wifi_pwrseq_pin_orangepi: wifi_pwrseq_pin@0 {
allwinner,pins = "PL7";
allwinner,function = "gpio_out";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
};
&mmc0 {
@ -162,6 +176,16 @@
status = "okay";
};
&mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins_a>;
vmmc-supply = <&reg_vcc3v3>;
mmc-pwrseq = <&wifi_pwrseq>;
bus-width = <4>;
non-removable;
status = "okay";
};
&reg_usb1_vbus {
gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
status = "okay";