ba8bda73fa
* Use upstream Linux driver for Bluetooth on ASUS Tinker * Drop unnecessary Bluetooth initialization systemd service Bluetooth is now entirely handled by the kernel.
64 lines
1.9 KiB
Diff
64 lines
1.9 KiB
Diff
From 392472dc977300a9f2a62159c105a6dfed878643 Mon Sep 17 00:00:00 2001
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Message-Id: <392472dc977300a9f2a62159c105a6dfed878643.1652225232.git.stefan@agner.ch>
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In-Reply-To: <ff0c5c49024da05b47d4fcc4d115761c43eef7a6.1652225232.git.stefan@agner.ch>
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References: <ff0c5c49024da05b47d4fcc4d115761c43eef7a6.1652225232.git.stefan@agner.ch>
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From: Stefan Agner <stefan@agner.ch>
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Date: Tue, 10 May 2022 22:57:26 +0200
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Subject: [PATCH] ARM: dts: rockchip: Add Bluetooth to rk3288-tinker
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Enable Bluetooth support via UART0. Use the existing bindings
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for Realtek rtl8723bs Bluetooth device.
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Signed-off-by: Stefan Agner <stefan@agner.ch>
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---
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arch/arm/boot/dts/rk3288-tinker.dtsi | 26 ++++++++++++++++++++++++++
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1 file changed, 26 insertions(+)
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diff --git a/arch/arm/boot/dts/rk3288-tinker.dtsi b/arch/arm/boot/dts/rk3288-tinker.dtsi
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index cdff130d1292..e904c130dedc 100644
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--- a/arch/arm/boot/dts/rk3288-tinker.dtsi
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+++ b/arch/arm/boot/dts/rk3288-tinker.dtsi
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@@ -388,6 +388,20 @@ bl_en: bl-en {
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};
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};
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+ bluetooth {
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+ bt_enable_pin: bt-enable-pin {
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+ rockchip,pins = <4 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+
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+ bt_device_wake_pin: bt-device-wake-pin {
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+ rockchip,pins = <4 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+
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+ bt_host_wake_pin: bt-host-wake-pin {
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+ rockchip,pins = <4 RK_PD7 RK_FUNC_GPIO &pcfg_pull_none>;
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+ };
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+ };
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+
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buttons {
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pwrbtn: pwrbtn {
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rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
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@@ -520,6 +534,18 @@ &tsadc {
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&uart0 {
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status = "okay";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
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+ uart-has-rtscts;
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+
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+ bluetooth {
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+ compatible = "realtek,rtl8723bs-bt";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&bt_device_wake_pin &bt_host_wake_pin &bt_enable_pin>;
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+ enable-gpios = <&gpio4 RK_PD5 GPIO_ACTIVE_HIGH>;
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+ device-wake-gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
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+ host-wake-gpios = <&gpio4 RK_PD7 GPIO_ACTIVE_HIGH>;
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+ };
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};
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&uart1 {
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--
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2.36.1
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