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ARM: dts: sun9i: cubieboard4: Enable AP6330 WiFi 

The board has a Ampak AP6330 WiFi/BT/FM module. Inside it is a Broadcom
BCM4330 WiFi/BT/FM combo IC. The WiFi portion is connected to mmc1, with
the enabling pin connected to PL2. The AC100 RTC provides a low power
clock signal.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Chen-Yu Tsai 2016-10-28 18:11:54 +08:00 committed by Maxime Ripard
parent 6cf4eaef12
commit e62c46bcdd
1 changed files with 32 additions and 0 deletions
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32
arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
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@ -76,6 +76,14 @@
gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */
};
};
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
clocks = <&ac100_rtc 1>;
clock-names = "ext_clock";
/* enables internal regulator and de-asserts reset */
reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 WL-PMU-EN */
};
};
&mmc0 {
@ -88,6 +96,21 @@
status = "okay";
};
&mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>, <&wifi_en_pin_cubieboard4>;
vmmc-supply = <&reg_dldo1>;
vqmmc-supply = <&reg_cldo3>;
mmc-pwrseq = <&wifi_pwrseq>;
bus-width = <4>;
non-removable;
status = "okay";
};
&mmc1_pins {
allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
};
&mmc2 {
pinctrl-names = "default";
pinctrl-0 = <&mmc2_8bit_pins>;
@ -128,6 +151,15 @@
status = "okay";
};
&r_pio {
wifi_en_pin_cubieboard4: wifi_en_pin@0 {
allwinner,pins = "PL2";
allwinner,function = "gpio_out";
allwinner,drive = <SUN4I_PINCTRL_10_MA>;
allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
};
};
&r_rsb {
status = "okay";