From mboxrd@z Thu Jan 1 00:00:00 1970 From: wens@csie.org (Chen-Yu Tsai) Date: Fri, 17 Jan 2014 14:47:31 +0800 Subject: [PATCH RFC 6/6] ARM: sun7i: cubietruck: enable bluetooth module In-Reply-To: <1389941251-32692-1-git-send-email-wens@csie.org> References: <1389941251-32692-1-git-send-email-wens@csie.org> Message-ID: <1389941251-32692-7-git-send-email-wens@csie.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 also requires a 32.768 KHz low power clock input for proper auto-detection of the main clock, and power enable and wake signals via GPIO. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 37 ++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts index c8b3ea9..f172a8f 100644 --- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts +++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts @@ -78,6 +78,20 @@ allwinner,drive = <0>; allwinner,pull = <2>; }; + + bt_pwr_pin: bt_pwr_pin at 0 { + allwinner,pins = "PH18"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; + + bt_wake_pin: bt_wake_pin at 0 { + allwinner,pins = "PH24"; + allwinner,function = "gpio_out"; + allwinner,drive = <0>; + allwinner,pull = <0>; + }; }; uart0: serial at 01c28000 { @@ -86,6 +100,12 @@ status = "okay"; }; + uart2: serial at 01c28800 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins_a>; + status = "okay"; + }; + gmac: ethernet at 01c50000 { pinctrl-names = "default"; pinctrl-0 = <&gmac_pins_rgmii>; @@ -157,4 +177,21 @@ gpio = <&pio 7 3 0>; }; }; + + rfkill-switches { + compatible = "simple-bus"; + pinctrl-names = "default"; + + rfkill_bt { + compatible = "rfkill-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&bt_pwr_pin>, <&clk_out_a_pins>; + rfkill-name = "bt"; + rfkill-type = <2>; + bt_shutdown-gpios = <0>, <&pio 7 18 0>; /* PH18 */ + bt_reset-gpios = <&pio 7 24 0>; /* PH24 */ + clocks = <&clk_out_a>; + clock-frequency = <32768>; + }; + }; }; -- 1.8.5.2