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Date: Tue, 15 Apr 2014 14:41:41 +0800 From: Chen-Yu Tsai <wens@...e.org> To: Linus Walleij <linus.walleij@...aro.org>, Johannes Berg <johannes@...solutions.net>, "John W. Linville" <linville@...driver.com>, Maxime Ripard <maxime.ripard@...e-electrons.com> Cc: Chen-Yu Tsai <wens@...e.org>, Arnd Bergmann <arnd@...db.de>, Heikki Krogerus <heikki.krogerus@...ux.intel.com>, Mika Westerberg <mika.westerberg@...ux.intel.com>, Alexandre Courbot <gnurou@...il.com>, Stephen Warren <swarren@...dotorg.org>, linux-gpio@...r.kernel.org, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com Subject: [PATCH 7/7] ARM: sun7i: cubietruck: enable bluetooth module The CubieTruck has an AMPAK AP6210 WiFi+Bluetooth module. The Bluetooth part is a BCM20710 device connected to UART2 in the A20 SoC. The IC requires a 32.768 KHz low power clock input for proper auto-detection of the main clock, and an enable signal via GPIO. Signed-off-by: Chen-Yu Tsai <wens@...e.org> --- arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts index cb25d3c..767c8e1 100644 --- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts +++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts @@ -61,6 +61,13 @@ allwinner,drive = <0>; allwinner,pull = <0>; }; + + bt_pwr_pin_cubietruck: bt_pwr_pin@0 { + allwinner,pins = "PH18"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; }; uart0: serial@...28000 { @@ -69,6 +76,12 @@ status = "okay"; }; + uart2: serial@...28800 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins_a>; + status = "okay"; + }; + i2c0: i2c@...2ac00 { pinctrl-names = "default"; pinctrl-0 = <&i2c0_pins_a>; @@ -139,4 +152,16 @@ reg_usb2_vbus: usb2-vbus { status = "okay"; }; + + rfkill_bt { + compatible = "rfkill-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&bt_pwr_pin_cubietruck>, <&clk_out_a_pins_a>; + clocks = <&clk_out_a>; + clock-frequency = <32768>; + gpios = <&pio 7 18 0>; /* PH18 */ + gpio-names = "reset"; + rfkill-name = "bt"; + rfkill-type = <2>; + }; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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