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