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75 lines
2.0 KiB
75 lines
2.0 KiB
From c6e2b7dad39a7887f935458d1c8de84db06243e1 Mon Sep 17 00:00:00 2001
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From: Chen-Yu Tsai <wens@csie.org>
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Date: Thu, 26 Dec 2013 17:15:47 +0800
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Subject: [PATCH] ARM: dts: sun7i: add bluetooth module to CubieTruck DTS
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The CubieTruck has an AMPAK AP6210 WiFi+Bluetooth module. The
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Bluetooth part is a BCM20710 IC connected to UART2 in the A20
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SoC. The IC also takes a 32.768 KHz low power clock input, a power
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enable signal and a wake signal via GPIO.
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The Bluetooth module supports out-of-band interrupt signaling via
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GPIO, but this is not supported in this patch.
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---
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arch/arm/boot/dts/sun7i-a20-cubietruck.dts | 36 ++++++++++++++++++++++++++++++
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1 file changed, 36 insertions(+)
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--- a/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
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+++ b/arch/arm/boot/dts/sun7i-a20-cubietruck.dts
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@@ -88,6 +88,20 @@
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interrupts = <10 8>; /* PH10 / EINT10 */
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interrupt-names = "host-wake";
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};
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+
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+ bt_pwr_pin: bt_pwr_pin@0 {
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+ allwinner,pins = "PH18";
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+ allwinner,function = "gpio_out";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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+
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+ bt_wake_pin: bt_wake_pin@0 {
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+ allwinner,pins = "PH24";
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+ allwinner,function = "gpio_out";
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+ allwinner,drive = <0>;
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+ allwinner,pull = <0>;
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+ };
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};
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usbphy: phy@01c13400 {
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@@ -171,6 +185,12 @@
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status = "okay";
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};
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+ uart2: serial@01c28800 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart2_pins_a>;
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+ status = "okay";
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+ };
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+
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i2c0: i2c@01c2ac00 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_pins_a>;
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@@ -264,6 +284,22 @@
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enable-active-high;
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gpio = <&pio 7 9 GPIO_ACTIVE_HIGH>;
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};
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+
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+ rfkill-switches {
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+ compatible = "simple-bus";
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+ pinctrl-names = "default";
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+
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+ rfkill_bt {
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+ compatible = "rfkill-gpio";
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+ pinctrl-0 = <&bt_pwr_pin>, <&clk_out_a_pins_a>;
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+ rfkill-name = "bt";
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+ rfkill-type = <2>;
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+ bt_shutdown-gpios = <0>, <&pio 7 18 0>; /* PH18 */
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+ bt_reset-gpios = <&pio 7 24 0>; /* PH24 */
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+ clocks = <&clk_out_a>;
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+ clock-frequency = <32768>;
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+ };
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+ };
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};
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#include "axp209.dtsi"
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