TinkerBoard: enable bluetooth

projects/Rockchip/devices/TinkerBoard/README.md

@@ -26,7 +26,7 @@ This is an experimental project for the ASUS Tinker Board
     * [x] scale video correctly
     * [x] fix memory leak
 * [x] WiFi
-* [ ] Bluetooth
+* [x] Bluetooth
 * [ ] ~~CEC~~
 
 **Known Issues/Limitations**

projects/Rockchip/devices/TinkerBoard/filesystem/usr/lib/systemd/system/rtl8723b_bt.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=Load rtl8723b_bt firmware on /dev/ttyS0
+Wants=bluetooth.service
+Before=bluetooth.service
+After=dev-ttyS0.device
+
+[Service]
+Type=simple
+ExecStartPre=/usr/sbin/rfkill unblock bluetooth
+ExecStart=/usr/bin/rtk_hciattach -n -s 115200 ttyS0 rtk_h5
+ExecStopPost=/usr/sbin/rfkill block bluetooth
+
+[Install]
+WantedBy=multi-user.target

projects/Rockchip/devices/TinkerBoard/options

@@ -117,7 +117,7 @@
   # for a list of additinoal drivers see packages/linux-drivers
   # Space separated list is supported,
   # e.g. ADDITIONAL_DRIVERS="DRIVER1 DRIVER2"
-    ADDITIONAL_DRIVERS=""
+    ADDITIONAL_DRIVERS="rfkill"
 
   # Start boot partition at 16MiB, same as https://github.com/rockchip-linux/build images
     SYSTEM_PART_START=32768

projects/Rockchip/devices/TinkerBoard/patches/linux/linux-0002-rk3288-miniarm-enable-bluetooth.patch

@@ -0,0 +1,83 @@
+From 7350120a3fdcd2d84ee3441eccabb41630b40984 Mon Sep 17 00:00:00 2001
+From: Jonas Karlman <jonas@kwiboo.se>
+Date: Sun, 18 Jun 2017 16:56:35 +0200
+Subject: [PATCH] rk3288-miniarm: enable bluetooth
+
+---
+ arch/arm/boot/dts/rk3288-miniarm.dts | 27 +++++++++++++++++++++++++--
+ 1 file changed, 25 insertions(+), 2 deletions(-)
+
+diff --git a/arch/arm/boot/dts/rk3288-miniarm.dts b/arch/arm/boot/dts/rk3288-miniarm.dts
+index 98a4d3d215d4..908bd503aaa9 100644
+--- a/arch/arm/boot/dts/rk3288-miniarm.dts
++++ b/arch/arm/boot/dts/rk3288-miniarm.dts
+@@ -49,6 +49,18 @@
+ 		reg = <0x0 0x80000000>;
+ 	};
+
++	wireless-bluetooth {
++		compatible = "bluetooth-platdata";
++		uart_rts_gpios = <&gpio4 19 GPIO_ACTIVE_LOW>;
++		pinctrl-names = "default","rts_gpio";
++		pinctrl-0 = <&uart0_rts>;
++		pinctrl-1 = <&uart0_gpios>;
++		BT,reset_gpio    = <&gpio4 29 GPIO_ACTIVE_HIGH>;
++		BT,wake_gpio     = <&gpio4 26 GPIO_ACTIVE_HIGH>;
++		BT,wake_host_irq = <&gpio4 31 GPIO_ACTIVE_HIGH>;
++		status = "okay";
++	};
++
+ 	wireless-wlan {
+ 		compatible = "wlan-platdata";
+ 		rockchip,grf = <&grf>;
+@@ -70,7 +82,7 @@
+ 		clocks = <&rk808 1>;
+ 		clock-names = "ext_clock";
+ 		pinctrl-names = "default";
+-		pinctrl-0 = <&wifi_enable_h>;
++		pinctrl-0 = <&chip_enable_h>, <&wifi_enable_h>;
+
+ 		/*
+ 		 * On the module itself this is one of these (depending
+@@ -78,7 +90,7 @@
+ 		 * - SDIO_RESET_L_WL_REG_ON
+ 		 * - PDN (power down when low)
+ 		 */
+-		reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>;
++		reset-gpios = <&gpio4 28 GPIO_ACTIVE_LOW>, <&gpio4 27 GPIO_ACTIVE_LOW>;
+ 	};
+
+ 	gpio-keys {
+@@ -471,6 +483,8 @@
+ };
+
+ &uart0 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&uart0_xfer>, <&uart0_cts>;
+ 	status = "okay";
+ };
+
+@@ -581,6 +595,9 @@
+ 		wifi_enable_h: wifi-enable-h {
+ 			rockchip,pins = <4 28 RK_FUNC_GPIO &pcfg_pull_none>;
+ 		};
++		chip_enable_h: chip-enable-h {
++			rockchip,pins = <4 27 RK_FUNC_GPIO &pcfg_pull_none>;
++		};
+ 	};
+
+ 	sdmmc {
+@@ -617,4 +634,10 @@
+ 			rockchip,pins = <7 8 RK_FUNC_GPIO &pcfg_pull_none>;
+ 		};
+ 	};
++
++	wireless-bluetooth {
++		uart0_gpios: uart0-gpios {
++			rockchip,pins = <4 19 RK_FUNC_GPIO &pcfg_pull_none>;
++		};
++	};
+ };
+-- 
+2.13.0
+