build/patch/kernel/archive/rockchip64-5.14/board-firefly-rk3399-enable-bluetooth.patch

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From 5afe0542f78fee6d4f1a83a840fec1efef114eaf Mon Sep 17 00:00:00 2001
From: Piotr Szczepanik <piter75@gmail.com>
Date: Sun, 9 Aug 2020 18:09:41 +0200
Subject: [PATCH] Enable bluetooth for Firefly RK3399
Signed-off-by: Piotr Szczepanik <piter75@gmail.com>
---
.../boot/dts/rockchip/rk3399-firefly.dts | 30 ++++++++++++++++++-
1 file changed, 29 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
index a39c32ac9..984a38dfb 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
@@ -566,6 +566,20 @@
};
&pinctrl {
+ bt {
+ bt_host_wake_l: bt-host-wake-l {
+ rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ bt_reg_on_h: bt-reg-on-h {
+ rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+
+ bt_wake_l: bt-wake-l {
+ rockchip,pins = <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
buttons {
pwrbtn: pwrbtn {
rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -784,8 +798,22 @@
&uart0 {
pinctrl-names = "default";
- pinctrl-0 = <&uart0_xfer &uart0_cts>;
+ pinctrl-0 = <&uart0_xfer &uart0_rts &uart0_cts>;
status = "okay";
+
+ bluetooth {
+ compatible = "brcm,bcm43438-bt";
+ clocks = <&rk808 1>;
+ clock-names = "lpo";
+ device-wakeup-gpios = <&gpio2 RK_PD2 GPIO_ACTIVE_HIGH>;
+ host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
+ shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
+ max-speed = <4000000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&bt_reg_on_h &bt_host_wake_l &bt_wake_l>;
+ vbat-supply = <&vcc3v3_sys>;
+ vddio-supply = <&vcc_1v8>;
+ };
};
&uart2 {