diff options
author | Chen-Yu Tsai <wens@csie.org> | 2016-10-28 18:11:54 +0800 |
---|---|---|
committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2016-11-22 15:33:58 +0100 |
commit | e62c46bcdd533046da364e37b47c8e8f38745be1 (patch) | |
tree | 09e1485a1de13454b19694387c93cb1e38b5320b /arch/arm/boot/dts/sun9i-a80-cubieboard4.dts | |
parent | 6cf4eaef12f1ecc47a7d657108f1776dbf57953c (diff) | |
download | linux-e62c46bcdd533046da364e37b47c8e8f38745be1.tar.bz2 |
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>
Diffstat (limited to 'arch/arm/boot/dts/sun9i-a80-cubieboard4.dts')
-rw-r--r-- | arch/arm/boot/dts/sun9i-a80-cubieboard4.dts | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts index 439847acd41e..67b02fe7f11c 100644 --- a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts +++ b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts @@ -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 = <®_dldo1>; + vqmmc-supply = <®_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"; |