From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chen-Yu Tsai Subject: [PATCH v5 12/12] ARM: dts: sun6i: hummingbird: Enable the onboard WiFi module Date: Tue, 10 Mar 2015 19:59:24 +0800 Message-ID: <1425988764-23618-14-git-send-email-wens@csie.org> References: <1425988764-23618-1-git-send-email-wens@csie.org> Reply-To: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: In-Reply-To: <1425988764-23618-1-git-send-email-wens-jdAy2FN1RRM@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Maxime Ripard , Lee Jones , Samuel Ortiz , Mark Brown , Liam Girdwood , Kumar Gala , Ian Campbell , Mark Rutland , Pawel Moll , Rob Herring Cc: Chen-Yu Tsai , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org List-Id: devicetree@vger.kernel.org The Hummingbird A31 has an AMPAK AP6210 WiFi+Bluetooth module. The WiFi part is a BCM43362 IC connected to MMC1 in the A31 SoC via SDIO. The IC also takes a power enable signal via GPIO. This is supported with the new power sequencing bindings. The WiFi module supports out-of-band interrupt signaling via GPIO, but this is buggy and not enabled yet. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun6i-a31-hummingbird.dts | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts index d13c88c6509a..25a3ef49bb71 100644 --- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts +++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts @@ -61,6 +61,11 @@ chosen { bootargs = "earlyprintk console=ttyS0,115200"; }; + + wifi_pwrseq: wifi_pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&pio 6 10 GPIO_ACTIVE_LOW>; /* PG10 */ + }; }; &ehci0 { @@ -127,6 +132,16 @@ allwinner,pull = ; }; +&mmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins_a>, <&wifi_reset_pin_hummingbird>; + vmmc-supply = <&vcc_wifi>; + mmc-pwrseq = <&wifi_pwrseq>; + bus-width = <4>; + non-removable; + status = "okay"; +}; + &ohci0 { status = "okay"; }; @@ -138,6 +153,13 @@ allwinner,drive = ; allwinner,pull = ; }; + + wifi_reset_pin_hummingbird: wifi_reset_pin@0 { + allwinner,pins = "PG10"; + allwinner,function = "gpio_out"; + allwinner,drive = ; + allwinner,pull = ; + }; }; &p2wi { -- 2.1.4